STEREO AMPLIFIER
StuEi lOm
r
This additional service manual is applicable
to the HE and HB types.
r
The basic performance
of the SA-510/HE and HB types are the same as the SA-510/KU type.
Please
refer to the SA-51O/KU service manual
Y Z @ A P R . 1 9 8 0
Printed in lapan
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Symbol
Description
Part No.
KU type
HB type
HE type
AF amplif ier assembly
Tone control assembly
Switch assembly (A)
Switch assembly (B)
Volume assembly
Headphone assembly
Fuse assembly
GWK.143
GWG.1
37
GWS-212
GWS.213
GWX.457
GWX-458
GWK.1 54
GWG.144
GWS-238
GWS-239
GWX-492
GWX-493
GWX-494
GWK-1 54
GWG-144
GWS-238
GWS-239
GWX.492
GWX.493
GWX-494
2. CONTRAST OF MISCELLANEOUS PARTS
o The [,
marh found on some component parts indicates the importance of the
safety factor of the part. Therefore, when replacing, be sure to use parts of identical
p.c. BoARD AssEMBLIEs
designation.
OTHERS
Symbol
Description
Part No.
KU type
HB type
HE type
Arr
A rur
A r u t
a FU2,3
A ru+
A56
a c 1
A
Front panel assembly
Power transformer
Fuse (3A)
F u s e ( 1 A l
Fuse (2.5A1
Fuse (2.5A)
Lever switch (POWER)
Ceramic capacitor
AC socket
AC power cord
Screw
0.01/250v
ANB-848
ATT-666
AE K - 1 0 1
ASK-520
ACG-001
AKP-032
ADG-023
ABA-145
ANB.896
ATT-705
AEK402
AEK4O3
ASK-521
AKP.O44
ADG.O51
ABA.1 16
ANB-896
ATT-705
AEK.4O2
AEK.403
AEK403
ASK-521
AKP-026
ADG.O41
ABA-1 16
PACKING AND FURNISHED
PARTS
Symbol
Description
Part No.
KU type
HB type
HE type
Operating instructions (ENG LISHI
Operating instructions
( G E R M A N / F R E N C H )
Packing case
ARB-352
AHD-749
ARB-366
AHD-776
ARB-366
ARD-148
AHD.776
e
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1
2
3
3. SCHEMATIC DII
A F A M P A t c ' y ( t / 2 1
G W K - 1 5 4
\GRAMS FOR HE AND HB TYPES
A
B
I . R E S I S T O R S :
fndicated in A, %W, t5% tolerance unless otherwise noted k : kQ,
M : M a ,
( F ) : t l % , { G } : t 2 % , ( K } : r 1 0 9 6 t o l e r a n c e
2. CAPACITORS:
Indicated in capacity (r F)/voltage (V) unless olherwis€ noted p : pF
Indication
without
voltage is 50V except elecrrolytic
capacitor.
3 . V O L T A G E , C U R R E N T :
[ - _ - - l : S i g n a t v o l t a g p a t
3 O W +
3 O W
8 { l o u t p u t ( l k H z l
Il
: DC voltage (V) at no input signal
Value in (
) is DC vollage al rated power.
4 . O T H E R S :
{:
Signal route.
@ : A'djusting point.
fne
I
mark found on some component parts indicates rhe im,
portance of the safety faclor of the part. Therefore, when replacing,
be s,lre to use parts of identical designation.
This is the basic schematic diagram, but rhe actual circuir may vary
due to improvements in design.
c
D
1
2
3
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s
sA-Ei 1G,-IHE, HEI
NOTE:
The indicated semiconductors are representatiue ones
only. Other alternative semiconductors may be used and
are listed in the parfs lisf.
f P
S W I T C H A s s ' y ( A ) G W S - 2 3 8
, Z A \
/
\
O F F
I
=ll
FUSE Ate'y
GWX - 494
AC ?20v
50 /6O Hr
A -
AC POfER CORO
A 0 c - 0 4 l
r
f
\
l
f
#
?^PEt
I
t
ruilER
aux
I
I
sr : Furicrrot{
|
L-
^T- ,' 3
__J
S W I T C H A r r ' y ( B l
G W S - 2 3 9
SWITCXEO
UNSWITCHf,D
T o r A L t o o w
t o o w
;irsE i'c, -efilig+
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siA-Ei 1OIHE,
HEI
4. P.C. BOARD PATTERNS
AF AMP Assembly
(GWK-154)
. $ii
l:;ffiil#$#*$U*ii|,i,i
l'"
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dE, HEI
1
55
F{rill
'ii!lr.
iili
I'il'l .1.1.:!
ii:ii liii
ii-;r :ii::
i i * : +
.:iiir, r:.:i
iiat fi
i::n iiii
:*::ii:
iiii
ii::i
i\x,i :.:i::
liF
ilt
:itta {i{
rH{.::iiI:'
llEl'.r.ii:ir'
'.rniii''
fl
lS 2 076 or 1S'15
5 5
D s 1 S 2 4 7 3
Fuse Assembly (GWX -4941
NOTE:
The only difference between following assemblies in models
SA-510/KU, HE and HB types lies in the assembly parts
numbers. All circuit and parts are exactly the some. For
P.C. board patterns
refer to the seruice manual for
SA-5 1}/KU type.
Description
Part No.
KU type
HE and HB types
Tone control assembly
Switch assemblV (A)
Switch assembly (B)
Vol u me assemblY
Headphones assembly
GWG.137
GWS-212
GWS-213
GWX.457
GWX.458
GWG -144
GWS.238
GWS.239
GWX-492
GWX-493
5
4
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5. PARTS LIST OF P.C. BOARD ASSEMBLIES
AF AMP Assembly
(GWK-I54)
SWITCHES
AND TRANSFORME
R
Part No.
Symbol & Description
RESISTOR
Part No.
Note: When ordering resistors, conuert the
resistance value into code form, and
then rewrite the part no. as before.
Symbol & Description
ASX.1 15
ASK.1 72
ASK-1
71
ATT-577
CAPACITORS
Part No.
VR1
Variable
5O0k (BALANCE)
R65. R66
Wire wound O.22l2Wx2
R74
R 1 0 2
R63, R64, R67, R68
R71, R72, R76, R80
R 1 1 , R 1 2 , R 1 5 , R 1 6
R19, R20, R51, R52, R55-R62, R70,
R 7 5 , R 1 0 3 , R 1 0 4 , R 1 1 3
R 1 - R 1 0 , R 1 3 , R 1 4 , R 1 7 , R 1 8 ,
R21-R50, Rs3, Rs4, R69, R73,
R77-R79, R91-R95, R105, R106,
R 1 0 8 - R 1 1 2
ccDSL 101J 50
ACH-224
CEA 22OM sOL
CEA 22OM 35L
CE A 4 TO M
lOL
C E A 1 0 1 M 1 O L
CEA 1O2M sOL
CE A 1 0 1 M s OL
CE A 1 0 1 M 3 5L
CEANL 2R2M 50
CEANL 1OOM
16
CEANL R33M 50
CEA 47OM sOL
ccDsL 030c s0
ccDsl- 100K 500
ccDsL 220J 50
ccDsL 470J 50
ccDsL 560J 50
ccDSL 820J 50
ccDsl 181K 500
CE A 2 2 1 M 1OL
CKDYF 223250
CKDYX 473M25
CKDYA 1O2J 50
coMA 473K 50
CKDYA '122J 50
coMA 183J 50
coMA 563J s0
coMA 683J sO
CEANL R47M 50
Incc-oo+
c1. c2
C52, C53
Electrolytic 8000/42V
c51
c57
c33, C34
c83, C84
c54
c55, C60, C61
c56
c25,C26
c3, c4
c75, C76
c77 , C82
c37, C38
c41 , C42
c7, c8
c5. c6, c21, C22, C29-C32
c15, C16, C27,C28
c35, C36
c43-C46
c17 , C18
c39, C40, C89, C90
c78-C81
c85-C88
c47,C4a
c11 , C't2
c9, c10
c23,C24
c't3, c14
c19, C20
C58
Ceramic
O.O1/1sOV
s1
S2
s3, s4
T2
Symbol & Description
Remote slide-switch
{ F U N C T I O N }
Lever switch (TAPE 2)
Lever switch (SUBSONIC,
LOUDNESS}
Heater transformer
ACT-130
ACN-070
RSlP ntr! J
I asr e nnn .t
RD%PS !!tr
J
I nozRsr ltl
I
RN%PO DI'
F
7\ nozoennr
lnn J
RDI/aPM
trtrtr J
SEMICONDUCTORS
Part No.
Symbol & Description
25C2602
01, 02
2SA872A
01 1. 01 2
2SA798
07, 08
2sA8Eo-D*
e1 7, 01B
{2SA850-C*)
2SC1735-D*
01 5, 016
(2SC1
735-C*)
* hfe of Ql 5-OlSshould havethesame
rank
2SC1919
2SC1
81 5
2SC1 775A
2SCl 384
2SD880
2SC1885
'| s2076
( 1 Sl 555)
I sooz
I roez
(srB01
-02)
152473
MZ-230
MZ-192
(wz-1921
MZ-250
STV3H
O T H E R S
Part No.
03, 04
05. 06
0 9 , 0 1 0 , 0 1 3 . 0 1 4
o23,o24
o25
026
D l - D 4 , D 1 8 , D 1 9
D l 1 - D 1 4
D9, D1 O
D5, D6
D20
D17
D 1 6
D7, D8
Symbol & Description
AKB-063
AKB-064
Terminal (TAPE)
Terminal (INPUT)
7
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TONE CONTROL Assembly (GWG-144)
SWITCH Assembly (A) (GWS-238)
CAPACITORS
Part Nol
Symbol & Description
Pert No.
Symbol & Description
coMA 303J s0
c63. C64
ccDsL 270J 50
C67, C68
coMA 122K 50
C69. C70
coMA 562K s0
C73,C74
coMA 124K 50
C65. C66
C E A NL 0 1 0 M 5 0
C 71.C72
Part No.
Note:
When ordering resistors, conuert the
resistance ualue into code form, and
ASX-1 13
RESf STORS
then rewrite the part no. as before.
Part No.
Symbol & Description
ACT-127
VR3. VR4
Variable
RD%PM .tr!
J
R81-R90, R100. R101
VOLUM E Assembly (GWX-492)
Part No.
Symbol & Description
ACV-184
VR2
Variable (VOLUME)
HEADPHON E Assembly (GWX-493)
Part No.
Symbol & Dascription
AKN.O23
Phone jack (PHONESI
ASE-003
55
Slide rotary switch
(SPEAKER)
RSlP CND J
R96, R97
RDTAPM U!tr J
R98. R99
SWITCH Assembly (B) (GWS-239)
Symbol & Description
56
Slide rotary switch
( F U N C T I O N }
FUSE Assembly (GWX-494)
Part No.
Symbol & Description
A ACG-OOI
C62
Ceramic 0.01/250V
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