SERVICE MANUAL
HAMAMATSU, JAPAN
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K368
03.08
PA
011698
CONTENTS( 目 次 )
SPECIFICATIONS(総合仕様)........................................................ 3/4
DIMENSIONS(寸法図)..................................................................... 5
PERFORMANCE GRAPHS(特性図)................................................ 5
PANEL LAYOUT(パネルレイアウト)............................................... 6
CIRCUIT BOARD LAYOUT&WIRING
(ユニットレイアウト&結線図)..................................... 8
DISASSEMBLY PROCEDURE(分解手順)..................................... 14
IC BLOCK DIAGRAM (IC ブロック図)........................................... 21
CIRCUIT BOARDS(シート基板図)................................................ 22
INSPECTION(検査)........................................................................ 35
PARTS LIST
BLOCK DIAGRAM(ブロックダイアグラム)
WIRING(基板結線図)
OVERALL CIRCUIT DIAGRAM(総回路図)
P5000S: 200307-155000
P7000S: 200307-185000
P5000S
P7000S
POWER AMPLIFIER
ÉvÉäÉEÉXÉKÉCÉhÉuÉbÉN
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P5000S/P7000S
IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed
that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-
stood by the users, and have therefore not been restated.
WARNING:
Failure to follow appropriate service and safety procedures when servicing this product may result in per-
sonal injury, destruction of expensive components and failure of the product to perform as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Retailer or the appointed service representative.
IMPORTANT:
This presentation or sale of this manual to any individual or firm does not constitute authorization, certi-
fication, recognition of any applicable technical capabilities, or establish a principal-agent relationship of
any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and
service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable
and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to
exist, please contact the distributor's Service Division.
WARNING:
Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to
this bus).
IMPORTANT:
Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power
to the unit.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical / electronic and / or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly
other entities) to cause cancer and / or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL / ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder / flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling
food.
■■■■■ WARNING
Components having special characteristics are marked
and must be replaced with parts having specification equal to those
originally installed.
印の商品は、安全を維持するために重要な部品です。交換する場合は、安全のため必ず指定の部品をご使用下さい。
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
WARNING: THIS APPARATUS MUST BE EARTHED
IMPORTANT. The wires in this mains lead are coloured in accordance
with the following code:
GREEN-AND-YELLOW
: EARTH
BLUE
: NEUTRAL
BROWN
: LIVE
As the colours of the wires in the mains lead of this apparatus may not
correspond with the coloured markings identifying the terminals in
your plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected
to the terminal in the plug which is marked by the letter E or by the
safety earth symbol or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the termi-nal
which is marked with the letter L or coloured RED.
• This applies only to products distributed by Yamaha-Kemble Music (U.K.) Ltd. (3 wires)
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3
P5000S/P7000S
I SPECIFICATIONS
0 dBu=0.775 Vrms, Half Power=1/2 Power Output Level (Rated Power)
Power Output Level (Rated Power)
8 Ω/STEREO
1 kHz
4 Ω/STEREO
THD + N = 1%
8 Ω/BRIDGE
8 Ω/STEREO
20 Hz 20 kHz
4 Ω/STEREO
THD + N = 0.1%
8 Ω/BRIDGE
1 kHz
2 Ω/STEREO
20 ms non-clip
4 Ω/BRIDGE
P7000S
750 W × 2
1100 W × 2
2200 W × 1
700 W × 2
650 W × 2 (European Model)
950 W × 2
1900 W × 1
1600 W × 2
3200 W × 1
P5000S
525 W × 2
750 W × 2
1500 W × 1
500 W × 2
700 W × 2
1400 W × 1
1300 W × 2
2600 W × 1
Power Bandwidth
Half Power
10 Hz 40 kHz (THD + N = 0.5 %)
Total Harmonic Distortion (THD + N)
4 Ω 8 Ω/STEREO
0.1 %
20 Hz 20 kHz, Half Power
8 /BRIDGE
Frequency Response
RL = 8Ω , Po = 1 W
0 dB, +0.5 dB, 1 dB f = 20 Hz 50 kHz
Intermodulation distortion (IMD)
4 Ω 8 Ω/STEREO
0.1 %
60 Hz:7 kHz, 4:1, Half Power
8 Ω/BRIDGE
Channel Separation
Half Power RL = 8 Ω 1 kHz
70 dB
Vol. max
input 600 Ω shunt
Residual Noise Vol. min.
20 Hz 20 kHz (DIN AUDIO)
70 dBu
SN Ratio
20 Hz 20 kHz (DIN AUDIO)
104 dB
Damping Factor
RL = 8 Ω, 1 kHz
350
Sensitivity (Vol. max.) Rated Power 8 Ω
+8 dBu
103 dB
+6 dBu
Voltage Gain (Vol. max.)
32.1 dB
Input Impedance
30 kΩ/balanced, 15 kΩ/unbalanced
Controls
Front Panel
POWER switch (Push on/Push off)
Two 31-step Volume control knobs (one per ch)
Rear Panel
MODE switch (STEREO/PARALLEL/BRIDGE)
Two FILTER switches (SUBWOOFER/LOW CUT/OFF)
Two fc knobs (25 to 150 Hz)
YS Processing switch (ON/OFF)
Connectors
INPUT
XLR-3-31 jacks (one per ch)
1/4-inch TRS phone jacks (one per ch)
OUTPUT
Speakon jacks (one per ch)
5-way binding posts
1/4-inch phone jacks (one per ch)
Indicators
POWER
1 (Green)
PROTECTION
1 (Red)
TEMP
1 (Red) (heatsink temp
85
CLIP
2 (Red)
SIGNAL
2 (Green)
YS Processing
1 (Yellow)
Load protection
POWER switch ON/OFF muting
DC-fault power supply
shutdown
Amp. protection
Temp. detection (heat sink temp
90
VI limiter (RL
1 )
Limiter
Comp: THD
0.5 %
Cooling
Dual variable-speed fan
Power Requirements
United States & Canada
120 V, 60 Hz
Europe
230 V, 50 Hz
Australia
240 V, 50 Hz
Power Consumption
Idling
35 W
1/8 output power, 4 Ω
700 W
Maximum output, 4 Ω
4000 W
35 W
550 W
3000 W
Dimensions (W × H × D)
480 88 456 mm
Weight
12 kg
Included Accessories
Security cover (with a hex wrench), Owner s Manual
≤
≤
≥
≤
≥
≥
≥
Ω �
Ω �
× �
× �
≥
≤
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P5000S/P7000S
0 dBu = 0.775 Vrms、�
Half Power = 1/2 Power Output Level (Rated Power)
P5000S
出力レベル�
8 Ω �
/STEREO
525 W × �
2
1 kHz
4 Ω �
/STEREO
750 W × �
2
THD +�
N = 1 %
8 Ω �
/BRIDGE
1500 W × �
1
8 Ω �
/STEREO
500 W × �
2
20 Hz ~�
20 kHz
4 Ω �
/STEREO
700 W × �
2
THD +�
N = 0.1 %
8 Ω �
/BRIDGE
1400 W × �
1
1 kHz
2 Ω �
/STEREO
1300 W × �
2
20 ms nonclip
4 Ω �
/BRIDGE
P7000S
750 W × �
2
1100 W × �
2
2200 W × �
1
700 W × �
2
950 W × �
2
1900 W × �
1
1600 W × �
2
3200 W × �
1
2600 W × �
1
出力帯域幅�
Half Power
10 Hz ~�
40 kHz(�
THD +�
N = 0.5 %)�
全高調波歪率(�
THD +�
N)�
4 Ω ~ �
8 Ω �
/STEREO
≦�
0.1 %
20 Hz ~�
20 kHz、�
Half Power
8 Ω �
/BRIDGE
周波数特性�
RL = 8 Ω 、�
Po = 1 W
0 dB、�
+0.5 dB、�
1 dB �
f = 20 Hz ~�
50 kHz
混変調歪率�
4 Ω ~ �
8 Ω �
/STEREO
≦�
0.1 %
60 Hz:�
7 kHz、�
4:�
1、�
Half Power
8 Ω �
/BRIDGE
チャンネル間セパレーション�
Half Power �
RL = 8 Ω �
1 kHz
≧�
70 dB
ボリューム�
. max.
入力�
600 Ω �シャント�
残留ノイズ ボリューム�
min.
20 Hz ~�
20 kHz (DIN AUDIO)
≦�
70 dBu
SN 比�
20 Hz ~�
20 kHz (DIN AUDIO)
104dB
103 dB
ダンピングファクター�
RL = 8 Ω 、�
1 kHz
≧�
350
入力感度 ボリューム�
max. �
Rated Power �
8 Ω �
+8 dBu
+6 dBu
ボルテージゲイン ボリューム�
max.
32.1 dB
入力インピーダンス�
30 kΩ �
/ バランス型、�
15 kΩ �
/ アンバランス型�
コントロール�
フロントパネル�
POWER スイッチ:�
ON/OFF
ボリューム:�
31 ポジション(チャンネル単位)× �
2
リアパネル�
MODE スイッチ:�
STEREO/PARALLEL/BRIDGE
フィルタースイッチ:�
(�
SUB WOOFER/LOW CUT/OFF)× 2
fc = (25 Hz ~�
150 Hz) × �
2
YS Processing スイッチ�
(ON/OFF)
コネクター�
INPUT
XLR-3-31 端子(チャンネル単位)�
1/4 インチ�
TRS フォーン端子(チャンネル単位)�
OUTPUT
スピコン(チャンネル単位)�
、�
5 ウェイバインディングポスト、�
1/4 インチフォーン端子(チャンネル単位)�
インジケーター�
POWER
× �
1(緑)�
PROTECTION
× �
1(赤)�
TEMP
× �
1(赤)�
(ヒ-トシンク温度≧�
85 ℃)�
CLIP
× �
2(赤)�
SIGNAL
× �
2(緑)�
YS Processing
× �
1(黄)�
ロードプロテクション�
POWER スイッチオン�
/ オフ、ミュート�
DC 検出(�
シャットダウン)�
アンププロテクション�
温度検�
出�
(ヒ�
ー�
ト�
シン�
ク�
温�
度�
≧�
90 ℃)�
、�
VI リミッタ�
-�
(�
RL ≦�
1 Ω )�
リミッター�
コンプ:�
THD ≧�
0.5 %�
クーリング�
連続可変式ファン(デュアル)�
電源�
100 V、�
50/60 Hz
消費電力�
無信号�
35 W
1/8 出力、�
4 Ω �
700 W
最大出力、�
4 Ω �
4000 W
35 W
550 W
3000 W
最大外形寸法(�
W × �
H × �
D)�
480 × �
88 × �
456 mm
質量�
12 kg
付属品�
セキュリティカバー(�
6 角レンチを含む)�
、取扱説明書�
I 総合仕様
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P5000S/P7000S
I DIMENSIONS(寸法図)
Unit: mm
I PERFOMANCE GRAPHS(特性図)
P7000S
Mode:STEREO
Both ch Driven
RL=4 Ω, f=1 kHz
Power Consumption [W]
Output Power [W]
1
10
100
10000
1000
1
10
100
1000
10000
P5000S
Mode:STEREO
Both ch Driven
RL=4 , f=1 kHz
Power Consumption [W]
Output Power [W]
1
10
100
10000
1000
1
10
100
1000
Ω
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P5000S/P7000S
I PANEL LAYOUT(パネルレイアウト)
q
w
e
r
t
y
u
i
i
q [POWER] switch and indicator
w [TEMP] indicator
e [PROTECTION] indicator
r [CLIP] indicator
t [SIGNAL] indicator
y Volume control knobs
u [
]indicator
i Air intakes
q [POWER]スイッチ/ インジケーター
w [TEMP]インジケーター
e [PROTECTION]インジケーター
r [CLIP]インジケーター
t [SIGNAL]インジケーター
y ボリューム
u [
]インジケーター
i 吸気口
・Front Panel(フロントパネル)
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P5000S/P7000S
SUB
WOOFER
LOW CUT
ON
STEREO BRIDGE
PARALLEL
INPUT
SPEAKERS
BRIDGE
OFF
OFF
1
1
+
-
+
-
+
-
+
-
2
2
1
1
+
-
+
-
SUB
WOOFER LOW CUT
OFF
FREQUENCY
Hz
25
150
90
50
125
FREQUENCY
1
1
2
3
3
2
L
O
C
K
L
O
C
K
+
+
-
-
(+)
(-)
Hz
25
150
90
50
125
q w
e
r
t
y
q FILTER switch and[FREQUENCY] adjustment knob
(One pair for each channel)
w [
] ON/OFF switch
e [INPUT] jacks (Channels A, B)
r [STEREO/PARALLEL/BRIDGE] switch
t [SPEAKERS] jacks
y GND terminal
q FILTER スイッチ、[FREQUENCY ]調整つまみ
(チャンネルA、B)
w [
]切り替えスイッチ
e [INPUT]端子(チャンネルA、B)
r [STEREO/PARALLEL/BRIDGE]モード切り替えスイッチ
t [SPEAKERS]端子
y GND 端子
・Rear Panel(リアパネル)
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P5000S/P7000S
I CIRCUIT BOARD LAYOUT&WIRING(ユニットレイアウト&結線図)
PAH
PAH
PS
IN
IN
VR
VR
LED
LED
COIL
LED
OUT1
OUT2
OUT2
OUT1
PSW
PSW
The figure which looked at the front panel from the inner side
(フロントパネルを内側から見た図)�
Rear Panel(リアパネル)�
Front Panel
(フロントパネル)�
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P5000S/P7000S
・Whole wiring drawing
・Detail drawing
This point has a cord holder.
* The following "wiring ass’y" are tied.
WA87380,WA87410 (VA19550),
WA87400
See page 9
See page 11
See page 11
See page 10
See page 10
See page 10
See page 10
See page 10
See page 10
See page 10-12
See page 10-12
See page 11
See page 11,12
See page 11,12
(インシュロックタイで束ねます)�
(①部詳細)�
(下記ワイヤーを束ねます)�
(全体の結線図)�
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P5000S/P7000S
�
・Detail drawing �
・Detail drawing
・Detail drawing
* The following "wiring ass’y" are tied.
* The following "wiring ass’y" are tied.
* The following "wiring ass’y" are tied.
WA87410(VA19560,VA14660,
VA14730)
WA87410(VA19560,VA14660,
VA14730)
WA87410(VA19560,VA14660,
VA14730),WA87400
WA01090,WA87400,WA87410,
(VA14660,VA14730)
WA01090,WA87370,WA87400,
WA87410 (VA14660,VA14730)
WA01090,WA87400,WA87410
(VA14660,VA14730),WA87290,
WA87310,WA87300*2,
COIL WIRING
COIL WIRING
WA87320,WA87330,WA87340,
WA87370
Soldering (WA01180)
ATTENTION:
Tie the wires (WA87410) at the side
of switch.
ATTENTION:
WA87410 (VA14660,VA14730),and
WA01090 are through the WB07260
(TUBE L=240mm)
Need twist of two rotations.
(WA87320,WA87330,WA87340)
(②③④⑤部詳細)�
(下記ワイヤーを束ねます)�
(⑥⑦部詳細)�
(⑧⑨部詳細)�
(WA87410ワイヤーは�
各スイッチの横で束ねます)�
(半田付け)�
(WA87410,WA01090ワイヤーは�
WB07260(長さ240mmのチューブ)�
に通します)�
(下記ワイヤーを束ねます)�
(下記ワイヤーを束ねます)�
(2回撚り合わせます)�
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P5000S/P7000S
・Detail drawing
・Detail drawing
・Point of Notice (H,B destination)�
* The following "wiring ass'y" are tied.
* The following "wiring ass'y" are tied.
WA87290,WA87300*2,WA87310,
WA01110,WA01120,COIL WIRING
WA01110,WA01120,WA87400,
WA87420
WA01110,WA01120,FAN WIRING
WA87290,WA87300,WA87310,
WA01110,WA01120,WA87400
WA87400,WA87380
ATTENTION:
The COIL WIRING isn't at "U","A","K"
destination.
Need twist of two rotations.
(WA87290,WA87300,WA87310)
ATTENTION:
Please wire a "WA87420" as a photograph.
Need twist of three rotations.
(Wire of coil)
Need twist of three rotations.
(WA01110,WA01120)
The wires of following have to be tense
condition.
1. From the FAN to the tie of No.12.
2. From PSW to the tie of No.12.
3. From CN412 to the tie of No.11.
4. From CN411, CN408 to the tie of No.8.
5. From tie of No.9 to the tie of No.8.
The wire of FAN has to be tense condition
from the FAN to the tie of No.12
(⑩⑬⑭部詳細)�
(⑪⑫部詳細)�
(下記ワイヤーを束ねます)�
(下記ワイヤーを束ねます)�
(U,A,K仕向はコイルからの�
ワイヤーはありません)�
(2回撚り合わせます)�
(3回撚り合わせます)�
�
�
(ファンからのワイヤーは張った状態にして�
!2で束ねます)�
(H,B仕向の注意点)�
(下記ワイヤーは張った状態にして束ねます)�
(ワイヤーWA87420は写真のようにします)�
(3回撚り合わせます)�
(FANから!2部)�
(PSWから!2部)�
(CN412から!2 部)�
(o部からi部)�
(CN411,CN408からi部)�
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12
P5000S/P7000S
・Point of Notice(J destination)�
・Point of Notice
・Detail drawing OUT 2
Soldering EARTHFILM.
Setting of coil sheet is that there
is the start of wire (W701,W702) at
the side of top.
ATTENTION:
Please detach the wire of WA87370
from IN sheet.
(J 仕向の注意点)�
(コイルシートのワイヤーは上側へ�
引き出します)�
(注意点)�
(OUT2シートの詳細)�
(アースフィルムを半田付けします)�
(WA87370ワイヤーはINシート�
から離してください)�
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13
P5000S/P7000S
・ Connect of coils.
*Regarding to connect the wire of coil.
Please connect the Red wire to CN406.
Please connect the Black wire to CN415.
(コイルワイヤーの接続)�
(コイルワイヤーの接続について)�
(赤いワイヤーはCN406,黒いワイヤー�
はCN415へ接続してください)�
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14
P5000S/P7000S
I DISASSEMBLY PROCEDURE(分解手順)
1.
Rack Angle (Time required: about 1 min.)
1-1
Remove the three (3) screws marked [430] for each
side.
The rack angle can then be removed. (Fig.1)
2.
Top Cover (Time required: about 2 min.)
2-1
Remove the eleven (11) screws marked [480].
The top cover can then be removed. (Fig.1)
1 .
1 .
1 .
1 .
1 .
ラ
ラ
ラ
ラ
ラッ
ッ
ッ
ッ
ック
ク
ク
ク
クア
ア
ア
ア
アン
ン
ン
ン
ング
グ
グ
グ
グル
ル
ル
ル
ル(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約11111分 )
分 )
分 )
分 )
分 )
1-1
[430] のネジを左右 3 本ずつ外し、ラックアン
グルを外します。(Fig.1)
2 .
2 .
2 .
2 .
2 .
ト
ト
ト
ト
トッ
ッ
ッ
ッ
ップ
プ
プ
プ
プカ
カ
カ
カ
カバ
バ
バ
バ
バー
ー
ー
ー
ー(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約22222分 )
分 )
分 )
分 )
分 )
2-1
[480] のネジ 11 本を外し、トップカバーを外し
ます。(Fig.1)
[480]
[430]
[430]
[480]
[480]
[230]
[B]
[C]
[230]
[280] [260] [280]
[480]
[480]
[510]
[320]
[500]
[230]: VR Knob (V9665200) ノブVR (S )
[260]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300) ボンディングBタイト
[280]: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) +バインドS タイト
[320]: Flat Head Tapping Screw-B 3.0X8 MFZN2BL (EP600790) +皿Bタイト
[430]: Bind Head Screw 4.0X12 MFZN2BL (VB132700) +バインド小ネジ
[480]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) +バインドBタイト
[510]: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) +バインドS タイト
(Fig.1)
3.
PA Unit (Time required: about 5 min.)
3-1
Remove the rack angle. (See procedure 1.)
3-2
Remove the top cover. (See procedure 2.)
3-3
Remove the six screws marked [150] for each side
from the bottom.
The PA units can then be removed. (Fig.2)
3 .
3 .
3 .
3 .
3 .
P A
P A
P A
P A
P A ユ
ユ
ユ
ユ
ユニ
ニ
ニ
ニ
ニッ
ッ
ッ
ッ
ット
ト
ト
ト
ト(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約55555分 )
分 )
分 )
分 )
分 )
3-1
ラックアングルを外します。(1項参照)
3-2
トップカバーを外します。(2項参照)
3-3
本体の底面より [150] のネジを左右 6 本ずつ外
し、各 PA ユニットを外します。(Fig.2)
[410]
[150]
[150]
[150]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) +バインドBタイト
[410]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) +バインドBタイト
(Fig.2)
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P5000S/P7000S
4.
PS Circuit Board (Time required: about 5
min.)
4-1
Remove the rack angle. (See procedure 1.)
4-2
Remove the top cover. (See procedure 2.)
4-3
Remove the nine (9) screws marked [180].
The PS circuit board can then be removed. (Fig.3)
4 .
4 .
4 .
4 .
4 .
P S
P S
P S
P S
P S シート
シート
シート
シート
シート(((((所要時間
所要時間
所要時間
所要時間
所要時間: : : : : 約
約
約
約
約55555分
分
分
分
分)))))
4-1
ラックアングルを外します。(1項参照)
4-2
トップカバーを外します。(2項参照)
4-3
[180] のネジ 9 本を外し、PS シートを外します。
(Fig.3)
[180]
[410]
(Fig.3)
[180]: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) +バインドS タイト
[410]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) +バインドBタイト
5.
IN Circuit Board (Time required: about 6
min.)
5-1
Remove the rack angle. (See procedure 1.)
5-2
Remove the top cover. (See procedure 2.)
5-3
Remove the four (4) screws marked [260] and the
two (2) screws marked [280]. (Fig.1)
5-4
Remove the two (2) hexagonal nuts marked [B].
(Fig.1)
5-5
Remove the two (2) screws marked [280] to
remove the two hex spacers marked [270]. (Fig.4)
5-6
Remove the two (2) VR knobs marked [230].(Fig.1)
5-7
Because the IN circuit board and the OUT2 circuit
board are connected by the connector assembly
W301, it removes the solder of IN circuit board
terminal W301A or OUT2 circuit board terminal
W301B.
The IN circuit board can then be removed.
*
When reinstalling the IN circuit board, let the
hooks of the XLM connectors out of the chassis at
first, and inserts the jacks or switches into the
holes on the chassis. (Fig.5)
5 .
5 .
5 .
5 .
5 .
IN
IN
IN
IN
IN シ
シ
シ
シ
シー
ー
ー
ー
ート
ト
ト
ト
ト(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約66666分 )
分 )
分 )
分 )
分 )
5-1
ラックアングルを外します。(1項参照)
5-2
トップカバーを外します。(2項参照)
5-3
[260] のネジ 4 本と [280] のネジ 2 本を外しま
す。(Fig.1)
5-4
[B] の六角ナット 2 個を外します。(Fig.1)
5-5
[280] のネジ 2 本を外し、[270] の六角スペー
サーを外します。(Fig.4)
5-6
[230] のノブ 2 個を外します。(Fig.1)
5-7
OUT2シートと束線W301で接続されていますの
で、INシート側端子W301AまたはOUT2側端子
W301Bのハンダを外してINシートを外します。
*
IN シートを再度取り付けるときは、キャノンコ
ネクタのツメをシャーシの外側に出した後、
ジャックやスイッチをシャーシの穴に通しま
す。(Fig.5)
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16
P5000S/P7000S
6.
OUT1 Circuit Board (Time required: about 4
min.)
6-1
Remove the rack angle. (See procedure 1.)
6-2
Remove the top cover. (See procedure 2.)
6-3
Remove the four (4) screws marked [320]. (Fig.1)
6-4
Remove the two (2) hexagonal nuts marked [C].
The OUT1 circuit board can then be removed.
(Fig.1)
*
The OUT1 circuit board and the OUT2 circuit
board are connected by the connector assembly W607.
7.
OUT2 Circuit Board (Time required: about 5
min.)
7-1
Remove the rack angle. (See procedure 1.)
7-2
Remove the top cover. (See procedure 2.)
7-3
Remove the OUT1 circuit board. (See procedure 6.)
7-4
Remove the two (2) screws marked [510].
Remove the SP terminal cover marked [500]. (Fig.1)
7-5
Remove the two (2) screws marked [310]. (Fig.6)
7-6
Because the OUT2 circuit board and the IN circuit
board are connected by the connector assembly
W301, it removes the solder of terminal W301B.
The OUT2 circuit board (and the OUT1 circuit
board) can then be removed.
[270]
[270]
[280]
[280]
(Fig.4)
(Fig.5)
[270]: Hex Spacer H=24.5 B=5.5 (WA058500) 六角スペーサー
[280]: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) +バインドS タイト
[310]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600) +バインドBタイト
6 .
6 .
6 .
6 .
6 .
O UT 1
O UT 1
O UT 1
O UT 1
O UT 1 シ
シ
シ
シ
シー
ー
ー
ー
ート
ト
ト
ト
ト(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約44444分 )
分 )
分 )
分 )
分 )
6-1
ラックアングルを外します。(1項参照)
6-2
トップカバーを外します。(2項参照)
6-3
[320] のネジ 4 本を外します。(Fig.1)
6-4
[C] の六角ナット 2 個を外し、OUT1 シートを
外します。(Fig.1)
*
OUT1シートとOUT2シートは束線W607で接続
されています。
7 .
7 .
7 .
7 .
7 .
O UT 2
O UT 2
O UT 2
O UT 2
O UT 2 シート
シート
シート
シート
シート (
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約55555分 )
分 )
分 )
分 )
分 )
7-1
ラックアングルを外します。(1項参照)
7-2
トップカバーを外します。(2項参照)
7-3
OUT1 シートを外します。(6項参照)
7-4
[510] のネジ 2 本を外し、[500] のSP ターミナ
ルカバーを外します。(Fig.1)
7-5
[310] のネジ 2 本を外します。(Fig.6)
7-6
INシートと束線W301で接続されていますの
で、端子W301Bのハンダを外してOUT2(および
OUT1)シートを外します。
[310]
(Fig.6)
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P5000S/P7000S
8.
Front Panel part (Time required: about 5
min.)
8-1
Remove the rack angle. (See procedure 1.)
8-2
Remove the top cover. (See procedure 2.)
8-3
Cuts Cord Holder (5 Point) of the Connector
assembly. (Fig.7)
8-4
Remove the six (6) screws marked [410]. (Fig.2,
Fig.3)
8-5
Draws out in front of the front panel part.
8 .
8 .
8 .
8 .
8 .
フ
フ
フ
フ
フロ
ロ
ロ
ロ
ロン
ン
ン
ン
ント
ト
ト
ト
トパ
パ
パ
パ
パネ
ネ
ネ
ネ
ネル
ル
ル
ル
ル部
部
部
部
部(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約5分)
約5分)
約5分)
約5分)
約5分)
8-1
ラックアングルを外します。(1項参照)
8-2
トップカバーを外します。(2項参照)
8-3
束線のインシュロックタイ(5箇所)を切断しま
す。(Fig.7)
8-4
[410]のネジ6本を外します。(Fig.2,Fig.3)
8-5
フロントパネルを前方へ引き出します。
Front Panel side�� !"#$%�&
(Fig.7)
[130]: Attenuator Knob (WA059300) アッテネーターノブ印刷上
9.
VR Circuit Board (Time required: about 6
min.)
9-1
Remove the front panel part. (See procedure 8.)
9-2
Remove the attenuator knobs marked [130]. (Fig.8)
9-3
Remove the two (2) hexagonal nuts marked [A].
The VR circuit board can then be removed. (Fig.9)
9 .
9 .
9 .
9 .
9 .
V R
V R
V R
V R
V R シート
シート
シート
シート
シート (
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約66666分 )
分 )
分 )
分 )
分 )
9-1
フロントパネル部を外します。(8項参照)
9-2
[130] のアッテネーターノブを外します。
(Fig.8)
9-3
[A] の六角ナット 2 個を外し、V R シートを外
します。(Fig.9)
[130]
[A]
(Fig.8)
(Fig.9)
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18
P5000S/P7000S
10.
Coil circuit board (Time required: about 7
min.)
10-1
Remove the front panel part. (See procedure 8.)
10-2
Remove the PS circuit board. (See procedure 4.)
10-3
Remove the four (4) screws marked [60].
The coil circuit board can then be removed.
(Fig.10)
10-4
Remove the four (4) hexagonal nuts marked [70].
The four (4) spacers can then removed marked
[65]. (Fig.11)
*
When reinstalling the COIL circuit board, connect
the Red wire to CN406 and the Black wire to
CN415.
10.
10.
10.
10.
10.
コイル
コイル
コイル
コイル
コイル シ
シ
シ
シ
シー
ー
ー
ー
ート
ト
ト
ト
ト(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約77777分 )
分 )
分 )
分 )
分 )
10-1
フロントパネル部を外します。(8項参照)
10-2
PS シートを外します。(4項参照)
10-3
[60] のネジ 4 本を外し、コイル シートを外し
ます。(Fig.10)
10-4
[70]の六角ナット 4 個を外し、[65] の六角ス
ペーサ 4 本を外します。(Fig.11)
*
コイルを再度取り付けるとき、コイル シートの
ワイヤー”赤”は CN406、”黒”は CN415へ接続
してください。
[60]
[60]
[70]
[65] [50]
COIL
(Fig.10)
(Fig.11)
[60]: Bind Head Tapping Screw-S 3.0X8 MFZN2BL (EP600530)
+バインドS タイト
[60]: Bind Head Tapping Screw-S 3.0X8 MFZN2BL (EP600530)
+バインドS タイト
[65]:Spacer H=7.5 B=5.5 (WA058400) 六角スペーサー
[70]:Hexagonal Nuts 4.0 MFZN2BL (03760280) 六角ナット
11.
LED Circuit Board (Time required: about 5
min.)
11-1
Remove the front panel part. (See procedure 8.)
11-2
Remove the two (2) screws marked [120].
The LED circuit board can then be removed.
(Fig.12)
11.
11.
11.
11.
11.
L E D
L E D
L E D
L E D
L E D シ
シ
シ
シ
シー
ー
ー
ー
ート
ト
ト
ト
ト(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約55555分 )
分 )
分 )
分 )
分 )
11-1
フロントパネル部を外します。 (8項参照)
11-2
[120] のネジ 2 本を外して LED シートを外しま
す。(Fig.12)
[360]
[90]
[120]
(Fig.12)
[90]: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) +バインドS タイト
[120]: Bind Head Tapping Screw-S 3.0X6 MFZN2BL (EP630210) +バインドS タイト
[360]: Hex Socket Tapping Screw-S3.0X10 MFZN2BL (WA673200) 六角穴付きS タイト
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19
P5000S/P7000S
12.
PSW Circuit Board (Time required: about
10 min.)
12-1
Remove the front panel part. (See procedure 8.)
12-2
Remove the power switch escutcheon marked
[400]. (Fig.13)
12-3
It presses lightly from the panel back and remove
the power switch knob marked [100].
* When it is hard to remove the power switch
knob, insert an L-shaped rod into the gap and pull
out the knob as shown the illustration. (Fig.14)
Be careful so as not to bruise a panel and a knob at
this time.
12-4
Remove the two (2) screws marked [90].
The PSW circuit board can then be removed.
(Fig.12)
12.
12.
12.
12.
12.
P S W
P S W
P S W
P S W
P S W シ
シ
シ
シ
シー
ー
ー
ー
ート
ト
ト
ト
ト(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約1 0
1 0
1 0
1 0
1 0分 )
分 )
分 )
分 )
分 )
12-1
フロントパネル部を外します。(8項参照)
12-2
[400] の PSW エスカッションを外します。
(Fig.13)
12-3
パネル裏面から軽く押し出して [100] の PSW ノ
ブを外します。
*
外しにくいときは、図で示すように隙間から L
型の棒などを挿入し、PSW ノブを引き出して外
します。(Fig.14)
このときパネルやノブへ傷をつけない様に注意
してください。
12-4
[90] のネジ 2 本を外し、PSW シートを外しま
す。(Fig.12)
[400]
[100]
(Fig.13)
(Fig.14)
[400]: Power Switch Escutcheon (WA060700)
PS Wエスカッション
[100]: Power Switch Knob (WA059000) PS Wノブ
13.
Handle (Time required: about 6 min.)
13-1
Remove the front panel part. (See procedure 8.)
13-2
Remove the two (2) screws marked [390] for each
side.
The handles can then be removed. (Fig.15)
*
The handle angle is removed simultaneously, at
this time.
13.
13.
13.
13.
13.
ハ
ハ
ハ
ハ
ハン
ン
ン
ン
ンド
ド
ド
ド
ドル
ル
ル
ル
ル(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約66666分 )
分 )
分 )
分 )
分 )
13-1
フロントパネル部を外します。 (8項参照)
13-2
[390] のネジを左右 2 本ずつ外し、ハンドルを
外します。(Fig.15)
*
この時、ハンドルアングルも同時に外れます。
[390]
(Fig.15)
[390]: Bind Head Screw SP 5.0X10 MFZN2BL (VU688100) +バインド小ネジ
Handle Angle
ハンドルアングル
Handle Angle
ハンドルアングル
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P5000S/P7000S
14.
Disassemble of Front Panel 1 and Front
Panel 2 (Time required: about 8 min.)
14-1
Remove the front panel part. (See procedure 8.)
14-2
Remove the handles. (See procedure 13.)
14-3
Remove the eight (8) hex socket tapping screws
marked [360].
The front panel 1 and the front panel 2 can then be
disassembled. (Fig.12)
15.
Fan (Time required: about 12 min.)
15-1
Remove the front panel part. (See procedure 8.)
15-2
Remove the PA unit located on the same side as the
fan to remove. (See procedure 3.)
15-3
Remove the two (2) screws marked [30] for each
side.
Fans can then be removed. (Fig.16)
14.
14.
14.
14.
14.
フロントパネル
フロントパネル
フロントパネル
フロントパネル
フロントパネル 1
1
1
1
1印刷上り、フロントパネ
印刷上り、フロントパネ
印刷上り、フロントパネ
印刷上り、フロントパネ
印刷上り、フロントパネ
ル
ル
ル
ル
ル 2
2
2
2
2印
印
印
印
印刷
刷
刷
刷
刷上
上
上
上
上り
り
り
り
りの
の
の
の
の分
分
分
分
分解
解
解
解
解(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約88888分 )
分 )
分 )
分 )
分 )
14-1
フロントパネル部を外します。 (8項参照)
14-2
ハンドルを外します。(13項参照)
14-3
[360] の六角穴付き S タイト 8 本を外し、フロ
ントパネル 1印刷上りとフロントパネル 2印刷
上りを分解します (Fig.12)。
15.
15.
15.
15.
15.
D C
D C
D C
D C
D C フ
フ
フ
フ
ファ
ァ
ァ
ァ
ァン
ン
ン
ン
ン(
(
(
(
(所
所
所
所
所要
要
要
要
要時
時
時
時
時間
間
間
間
間: : : : : 約
約
約
約
約1 2
1 2
1 2
1 2
1 2分 )
分 )
分 )
分 )
分 )
15-1
フロントパネル部を外します。(8項参照)
15-2
外す DC ファンと同じ側の PA ユニットを外し
ます。(3項参照)
15-3
[30] のネジを左右 2 本ずつ外し、DC ファンを
外します。(Fig.16)
[30]
[30]
(Fig.16)
[30]: Bind Head Screw SP 4.0X16 MFZN2Y (VB764900) +バインド小ネジ
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P5000S/P7000S
I IC BLOCK DIAGRAM(IC ブロック図)
• NJM2068MD-T1 (XJ553A00)
Dual Operational Amplifier
1
2
3
4
-V
8
7
6
5
Output A
+V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+
-
+
-
P5000S IN: IC301, IC302, IC303, IC304,
IC305, IC306, IC307
PAH: IC201
P7000S IN: IC301, IC302, IC303, IC304,
IC305, IC306, IC307
PAH: IC201
1
LO
2
3
4
5
6
7
COM
VCC
VS
VB
HO
9
10
11
12
13
14
VSS
LIN
SD
HIN
VDD
8
VDD/VCC
LEVEL
SHIFT
PULSE
GEN
PULSE
GEN
VDD
VSS
HIN
SD
LIN
10
9
11
12
13
R
S
Q
RS Q
VDD/VCC
LEVEL
SHIFT
HV
LEVEL
SHIFT
UV
DETECT
UV
DETECT
DELAY
PULSE
FILTER
R
R
S
Q
6
7
5
3
1
2
COM
LO
VCC
VS
VB
HO
P5000S PS: IC402
P7000S PS: IC402
IR2110 (X2382A00)
DRIVER
INV. INPUTN
N.I. INPUT
SYNC
OSC. OUTPUT
CT
RT
DISCHARGE
SOFT-START
VREF
+VIN
VC
GROUND
OUTPUT A
SHUTDOWN
COMPENSATION
OUTPUT B
OSCILLATOR
16
15
4
13
11
14
12
8
10
3
6
7
5
1
2
FLIP/
FLOP
REFERENCE
REGULATOR
E/A
B
A
5K
5K
50µA
PWM
9
1
INV. INPUTN
2
3
4
5
6
7
8
N.I. INPUT
SYNC
OSC. OUTPUT
CT
RT
DISCHARGE
SOFT-START
11
12
13
14
15
16
VREF
+VIN
OUTPUT B
VC
GROUND
OUTPUT A
SHUTDOWN
COMPENSATION
9
10
SG3525AN (X2383A00)
P5000S PS: IC401
P7000S PS: IC401
Regulating Pulse Width Modulator
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P5000S/P7000S
I CIRCUIT BOARDS(シート基板図)
CONTENTS(目次)
G PAH Circuit Board (X3850B0) ....................................................................................... 23
G PS Circuit Board (X3851B0) ......................................................................................... 25
G IN Circuit Board (X3501C0) .......................................................................................... 29
G LED Circuit Board (X3895B0) ....................................................................................... 30
G OUT1 Circuit Board (X3895B0) .................................................................................... 31
G OUT2 Circuit Board (X3895B0) .................................................................................... 32
G PSW Circuit Board (X3895B0)...................................................................................... 33
G VR Circuit Board (X3895B0) ......................................................................................... 33
G COIL Circuit Board (X4945A0)...................................................................................... 34
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P5000S/P7000S
to PS-(
CN412(Ach)
CN411(Bch)
to IN-CN301(Ach,Bch)
A
A’
B
B’
G PAH Circuit Board
to OUT2-(
W604(Ach)
W606(Bch)
to PS-(
W401(Ach)
W406(Bch)
to PS-(
W402(Ach)
W407(Bch)
to PS-(
W403(Ach)
W408(Bch)
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P5000S/P7000S
A
A’
Component side(部品側)
B
B’
Pattern side(パターン側)
2NAP-WB10830 (P5000S)
2NAP-WB10820 (P7000S)
ref.
P5000S
P7000S
D124
D125
D126
D127
Q112
Q113
Q114
Q115
Q117N
Q117P
Q118N
Q118P
Q119N
Q119P
Q120N
Q120P
Q121N
Q121P
Q122N
Q122P
Q123N
Q123P
Q124N
Q124P
Q125N
Q125P
Q126N
Q126P
Q218
PR201
PR202
-�
-�
Following semi-conductors are installed for the PA unit.
(下記半導体は PA ユニットで取付されます。)
○ :Installed - :not installed
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P5000S/P7000S
G PS Circuit Board
to LED-CN601
to FAN(Ach)
to PAH-CN201(Ach)
to PAH-CN201(Bch)
to IN-CN301
to FAN(Bch)
to PAH-CN103(Bch)
to PAH-CN104(Bch)
to PAH-CN103(Ach)
to PAH-CN104(Ach)
to PAH-CN105(Bch)
to PAH-CN105(Ach)
A
A’
FAN TEST POINT
TEMP LED TEST POINT
to PSW-W602 (or W601)
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P5000S/P7000S
A
A’
to PSW-W601(or W602)
to PSW-W603
to PSW-W602 (or W601)
to AC IN
to AC IN
to COIL-W702
to COIL-W701
Component Side(部品側)
○ The C version C differs only in the silk print. The point of difference is as follows.
○ C バージョン C はシルク印刷のみ異なります。相異点は下記の通りです。
CN407,CN414 Deleted (削除)
J403 H/A/K Modifid (H/A/K に変更)
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P5000S/P7000S
B
B’
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P5000S/P7000S
B
B’
Pattern Side(パターン側)
PS: 2NAP-WB10880 (P5000S)
PS: 2NAP-WB10840 (P7000S)
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P5000S/P7000S
to VR-CN602
to OUT2-W301B
to (
PAH-CN202(Ach,Bch)
PS-CN408
Component Side(部品側)
Pattern Side(パターン側)
2NAP-V999510
G IN Circuit Board
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P5000S/P7000S
to PS-CN410
Component Side(部品側)
Pattern Side(パターン側)
G LED Circuit Board
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P5000S/P7000S
to OUT2-W607B
Component Side(部品側)
Pattern Side(パターン側)
G OUT1 Circuit Board
W607A
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P5000S/P7000S
Component Side(部品側)
Pattern Side(パターン側)
2NAP-WB17830
to IN-W301A
to PS-CN416
to PAH-CN102(Bch)
to OUT1-W607A
to PAH-CN102(Ach)
not connected
G OUT2 Circuit Board
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P5000S/P7000S
to IN-CN302
Component Side(部品側)
Pattern Side(パターン側)
to PS-CN404
(or CN405)
to PS-CN405
(or CN404)
to PS-CN403
Component Side(部品側)
Pattern Side(パターン側)
PWS:2NAP-WB17830
VR:2NAP-WB17830
G PSW Circuit Board
G VR Circuit Board
Power
ON / OFF
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P5000S/P7000S
to PS-CN415
Pattern Side
(パターン側)
1GC2C-WA86500
Component Side
(部品側)
to PS-CN406
G COIL Circuit Board
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35
P5000S/P7000S
1.
Scope
• This inspection specifications is applied to the power amplifier P5000S/P7000S.
2.
Preparation for STEREO/PARALLEL mode
Attenuator
: "0"(MAX)
Input terminal
: cannon connector 2PIN-HOT/3PIN-COLD/1PIN-GND
MODE switch
: STEREO
SUBWOOFER/LOW CUT switch
: OFF
YS Processing switch
: OFF
Load resistor
: 8ohms +/- 1%
Unless otherwise specified, the operation shall be both channels drive.
DIN AUDIO filter shall be used for the noise level measurements.
Unless otherwise specified, the input signal shall be high quality sine wave.
3.
Inspection and Adjustment
3.1 POWER LED, PROTECTION LED and Power on muting time
POWER LED and PROTECTION LED shall light when the POWER switch is turned on.
2.5 +/- 1 seconds after the power switch is turned on, PROTECTION LED shall lights off.
3.2 Fan and TEMP LED
The fan shall operate when short circuit on the two jumper wires that mounted of PS
circuit board marked "FAN-C". The TEMP LED shall lights up when short circuit on the
two jumper wires that marked "TM-C".
3.3 Idle current
Connect the input terminal to the GROUND and adjust VR201 on the PAH circuit board that the DC voltage of
Vb between the pin1 and pin2 of CN101 shall be 0.275 +/- 0.025mV.
After finishing all inspections, adjust the Vb again to 0.5 +/- 0.1mV.
This adjustment should be performed in both channels.
3.4 DC Voltage of output terminal
Connect the input terminal to the GROUND and measure the DC voltage Vdc of the output
terminal shall be 0 +/- 75mV.
3.5 Gain
The output voltage should be +22.1 +/- 0.5dBu when input signal is 1kHz, -10.0dBu.
This inspection shall be performed on PARALLEL mode.
Don't feed input signal to channel B on PARALLEL mode.
Set the input attenuator to -10dB.Input signal is 1kHz, -10dBu.
The output voltage shall be 12.0 +/- 3.0dB.
3.6 Frequency response
Input signals are each 20Hz, 1kHz and 20kHz, -10dBu.
The output voltage shall be 0.0 +/- 0.5dB at 20Hz, -0.5 +/- 0.5dB at 20kHz compared to the 1kHz.
Set MODE switch to PARALLEL.
The inspection process of SUB WOOFER and LOW CUT position as follows.
1) channel A 25Hz
2) channel A 150Hz
3) channel B 25Hz
4) channel B 150Hz
I INSPECTION
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P5000S/P7000S
*SUB WOOFER position
Input signal is 25Hz, -10dBu, and set FREQUENCY to 25Hz.
The output voltage shall be -3.0 +/- 2.0dB compared to the 1kHz at the switch off.
Input signal is 150Hz, -10dBu, and set FREQUENCY to 150Hz.
The output voltage shall be -3.0 +/- 2.0dB compared to the 1kHz at the switch off.
*LOW CUT position
Input signal is 25Hz, -10dBu, and set FREQUENCY to 25Hz.
The output voltage shall be -4.2 +/- 2.0dB compared to the 1kHz at the switch off.
Input signal is 150Hz, -10dBu, and set FREQUENCY to 150Hz.
The output voltage shall be -4.0 +/- 2.0dB compared the 1kHz at the switch off.
*YS Processing switch: ON
Input signal is 70Hz, -10dBu,
the output voltage shall be +6.5 +/- 1.5dB compared to the 1kHz at the YS Processing
switch off, and the YS Processing LED shall lights up
*Set MODE switch to STEREO.
3.7 Distortion Factor
Input signals are each 20Hz and 20kHz,The distortion shall be less than 0.1% when output
power level as follows. This inspection should have been finished within 30 seconds.
P5000S
P7000S(J/U/A/T)
P7000S(H/B/K)
500W+500W
700W+700W
650W+650W
3.8 Cross talk
Input signal is 1kHz to the channel A, and shunt the input terminal of channel B with 600ohms. Set the output power
of channel A as follows.
The output voltage of channel B shall be less than -70dB compared to output voltage of
channel A. The conditions of channel A and channel B are replaced and inspected.
P5000S P7000S
250W
350W
3.9 Output Noise level
Shunt the input terminal with 600 ohms.
The noise level of the output terminal shall be less than -65 dBu.
Set the input attenuator to MIN. The noise level shall be less than -70 dBu.
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P5000S/P7000S
3.10 Stability
Connect 4 ohms load resistor with the capacitance of 10pF-0.47uF to output terminal.
Input signal is 10kHz, -10dBu square wave.
The overshoot and the ringing should be as follows.
Overshoot
: Vp/Vo < 1.8
Ringing
: Within 5 waves
Next, connect only capacitance of 10pF-0.47uF to output terminal.
The overshoot and the ringing should be as follows.
Overshoot
: Vp/Vo < 2.5
Ringing
: within 7 waves and no oscillation
Vo
Vp
3.11 Protection circuit for DC fault
Disconnect of load resistor from output terminal.
PROTECTION LED shall not light up when input signal is 10Hz, +9.0dBu.
The power supply shall shut down less than 2 seconds when input signal is 1Hz, 5.0dBu.
Turn off the power switch.
The power amp shall restart, when the switch will be turned on again after 3 seconds.
3.12 Efficiency
(1) The primary electrical power shall be as follows when input signal is 1kHz, -6.6dBu.
P5000S
P7000S
140 +/- 30W
140 +/- 30W
(2) The primary electrical power shall be as follows when shunt the input terminal with 600 ohms.
P5000S
P7000S
35 +/- 10W
35 +/- 10W
3.13 VI limiter and compressor
Connect 1ohm(+/- 5%) load resistor to output terminal.
Input signal is 1kHz, -1.5dBu.
The output voltage shall be as follows and the distortion shall be less than 5%.
Then, CLIP LED shall light up.
This inspection should have been finished within 30 seconds.
P5000S
P7000S
16 +/- 4V
18 +/- 4V
3.14 SIGNAL LED
SIGNAL LED shall lights up when input signal is 1kHz, -23dBu.
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P5000S/P7000S
4.
Preparation For BRIDGE mode
Attenuator
:"0"(MAX) Effective only channel A.
Input terminal
: cannon connector 2PIN-HOT/3PIN-COLD/1PIN-GND
MODE switch
: BRIDGE
SUBWOOFER/LOW CUT switch
: OFF
YS Processing switch
: OFF
Load resistor
: 8+8 ohms +/- 1%
Connection for measuring
: Measure the output at the point as shown below.
A+
B+
R
R
8 ohms
8 ohms
INPUT
GND
MEASURING
INSTRUMENT
SPEAKERS
TERMINAL
5.
Inspection
5.1 gain
The output voltage shall be +22.1 +/- 1dBu when input signal is 1kHz, -10.0dBu.
5.2 Frequency response
Input signals are each 20Hz, 1kHz and 20kHz, -10dBu.
The output voltage shall be 0.0 +/- 0.5dB at 20Hz, -0.5 +/- 0.5dB at 20kHz compared to
the 1kHz.
5.3 Distortion Factor
Input signals are each 20Hz and 20kHz.
The distortion shall be less than 0.1% when output voltage as follows.
This inspection should have been finished within 30 seconds.
P5000S
P7000S(J/U/A/T)
P7000S(H/B/K)
63.25V
74.83V
72.11V
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P5000S/P7000S
5.4 Output Noise level
Shunt the input terminal with 600 ohms.
The noise level of output terminal shall be less than -60 dBu.
Next, set the input attenuator to MIN.
The noise level shall be less than -65 dBu.
6.
PS sheet trouble repair guide
6.1 The application sheet part number and the line voltage
Part number Sheet name
Line voltage
WB108400 PS70J AC100V/50Hz
WB108500 PS70U AC120V/60Hz
WB108600 PS70H AC230V/50Hz
WB108700 PS70A AC240V/50Hz
WC563400 PS70K AC230V/50Hz
WB108800 PS50J AC100V/50Hz
WB108900 PS50U AC120V/60Hz
WB109000 PS50H AC230V/50Hz
WB109100 PS50A AC240V/50Hz
WC563600 PS50K AC230V/50Hz
6.2 Electric performance
6.2-1 Preparation
• It connects sheet PSW (WB17830 the part of the SUB sheet) with CN403, CN404, CN405.
• The sheet In case of setting which COIL70J or COIL70H are used for, it connects J410-J413.
(Or, it short-circuits in CN406 and CN415).
• Connecting load resistor with the ± B, ± 15 V.
• It connects power code in CN401, CN402.
• It adjusts a line voltage to the voltage which suited each sheet. It refers to
* As for the location, refer to Fig.1.
6.2-2 Each part voltage
It is ON in POWER SW when being, each part output voltage is normal if it is stored in the range in
.
When a line voltage is shifted, it doesn't sometimes become the output voltage of
when measuring output
voltage without the load resistor.