PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2001 ORDER NO. Service Manual SELECT KEH-P7020R/XN/EW CRT2817 MULTI-CD/DAB CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH-P7020RXN/EW MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER KEH-P7020R This service manual should be used together with the following manual(s): NOTE: Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corpora- tion. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. This service manual does not describe the CD test mode. For the operations in the CD test mode, refer to the CD player's Service manual. Extension cable of cassette mechanism : Jig No. GGD1121 Model No. Order No. Mech.Module Remarks CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment 2000.printed in Japan CONTENTS 1. SAFETY INFORMATION . . . . . . . . . . . . . . . . 3 2. EXPLODED VIEWS AND PARTS LIST. . . . . . . . . 4 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM . . 14 4. PCB CONNECTION DIAGRAM . . . . . . . . . . . 36 5. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . 44 6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . 54 7. GENERAL INFORMATION . . . . . . . . . . . . . . 56 7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . 56 7.1.1 DISASSEMBRY . . . . . . . . . . . . . . . . 56 7.1.2 CONNECTOR FUNCTION DESCRIPTION . . 58 7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . 60 7.3 OPERATION FLOW CHART. . . . . . . . . . . . 66 7.4 CLEANING. . . . . . . . . . . . . . . . . . . . . 67 8. OPERATIONS AND SPECIFICATIONS . . . . . . . . 68 For details, refer to "Important symbols for good services". KEH-P7025XN/ES K-ZZA. DEC.2001 Printed in Japan www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 14 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM(KEH-P7020R/XN/EW) Q153 Q151 Q402 Q155 Q501 IC 501 PM4009A IC 101 HA12187FP X501 RDS DECODER IP-BUS DRIVER 12 11 20 8 87 MUTE XOUT XIN PEE 24 40 SYSTEM CONTROLLER IC 601(2/2) PD5698B CN401 VDD VCC ANT 1 2 BUS- BU BUS+ BUS+L BUS-L 1 2 8 6 5 TX RX IPPW SWVDD BU BU BU Q852 TUNER AMP UNIT 13 X601 15 24 VDD SWDACC VST,VC TUN L BUS+L BUS-L TAPE L Q851 35 DPDT 36 KYDT 23 SYSPW Q101 Q102 IC 851 NJM2360M 6 1 EJTIN 44 43 ILMPW PD DSE 41 DSENS TEL FUSE 200mA 2 1 CN451 MIC751 TEL 94 LVLINL LEVEL IND TC7SET08FU IC 801 2 4 A D E 5 8 1 7 CN101 11 BUZZER CN251 1 DIRO LOADSW POS ES SC2 55 58 59 61 63 BU MSIN 65 SC1 RIMUTE 33 66 68 CM STBY RIMUTE DIRO POS ES SC2 SC1 CM STBY LOADSW stby B.U MUTE LOAD 5 1 4 2 1 3 11 9 20 19 DECK UNIT IC251 HA12228F IC351 PA2020A EQ AMP MECHANISM DRIVER CN251 CN252 CN254 CN255 CN253 6 16 MS Lch 20 FWD L-ch REV L-ch 37 36 39 18 19 17 3 1 5 6 8 7 10 CN256 3 1 5 6 S1 LOAD S2 MODE EGN1 REEL SENSE M M M2 SUB MOTOR M1 MAIN MOTOR 5 2 1 REEL SENSE PCB 6 5 17 f/R 15 13 13 11 POS NES 18 17 16 15 SC1 CM 16 14 SC2 3 11 9 20 19 6 5 15 13 18 17 16 54 IC 3 EEPROM FM/AM TUNER UNIT 28 27 FM/AM 1ST IF 10.7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER, IF AMP, DET. 6 21 18 LDET COMP 22 25 10 14 12 15 16 8 13 2 3 4 CF202 VDD VCC DI/DO CE2 CK CE1 SDBW SL FMSD NL1 NL2 IC 2 FM MPX AMANT FMANT ATT ATT AMRF FMRF RF ADJ ANT2 ADJ X901 10.25MHz ANT1 ADJ LOCL 23 LOCH AMDET MPXREF 41kHz AM 2ND IF 450kHz 19 CREQ 11 DGND 1 STIND L ch 5 R ch 9 24 NC FMLOCL 20 17 7 NC NC WC 26 RFGND www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 15 5 19 LDET 48 FM/AM 52 12 1 TMUTE BSENS ASENS NL2DT VDD BU 74 73 SD SL TUNPCE TUNPCK TUNPCE2 TUNPDO ASENBO 10 FL 11 RL 87 MUTE XOUT XIN ILB SWVDD OELB ILB SWDVDD OELB 23 21 3 5 FL- FL+ RL- RL+ ACC 51 50 97 IN3-L 42 IN4+L 43 IN4-L 44 IN2-L 41 72 2 71 1 82 30 29 81 FLIN 14 RLIN 12 22 4 RESET POWER AMP IC 601(1/2) PD5698B LLER IC 203 PML009A IC 961 S-80735ANDZI IC 301 PAL007A RESET VDD Q911 Q931 SYSPW BU TX RX TX RX IPPW ELECTRONIC VOLUME/ SOURCE SELECTOR BU BU STBY MUTE IC 1901 PD5706A OEL CONTROLLER/ KEY CONTROLLER KEY MATRIX 9 11 8 KEY DATA OEL DATA VDD 14 CN801 CN1901 Q803 Q804 Q802 KEYBOARD UNIT 13 X601 15 2 ACC VST,VCK,VDT TUN L BUS+L BUS-L TAPE L DPDT 3 5 DPDT KYDT SYS+B BU Q921 Q922 23 SYSPW BU Q301 MUTE RL Q351 PL 1 Q352 FL 5 Q353 FL R L 12 PL Q801 IC 851 NJM2360M 6 1 EJTIN 44 7 2 10 11 14 8 7 2 10 11 14 8 CN1850 CN1851 S1850 KYDT 4 2 5 10 8 IC 1902 PD8088A FONT ROM IC 1903 TSOP1840SB3V REMOTE CONTROL SENSOR OPT IN 3 1 5 Q1961 Q1962 ILMD 32 AMBER GREEN REM 27 28 DPDT KTDT EJECT OEL UNIT Q1941 4,16 2,8 3 ILMPW MUTE PL FL RL Q1963 Q1964 Q1965 IC 631 PDH0046A S801 DSENS SYSTEM CONTROLLER Q932 Q951 VDD ISENS 83 TELIN 10 25 B.REMOTE FL- FL+ RL- RL+ TEL 40 IN1-L MIC751 13 MIC_IN IC 1904 S-818A33AUC-BGN 3.3V REGULATOR 1 5 VDD REGULATOR ILL SENSE BACKUP SENSE ACC SENSE TELEPHONE MUTE SYS+B REGULATOR 3 9 11 12 10 2 5 8 6 3 9 11 12 10 2 5 8 6 1 1 NJM4558MD IC 132 5 7 94 LVLINL 1 SEL_OUT_L LEVEL INDICATOR TC7SET08FU IC 801 2 4 PANEL UNIT B C CN901 Q982 B.U CN351 CN352-1 CN352-2 NL1 SDBW 95 53 BACK UP GND RR + RR - FR + FR - FL + FL - RL + RL - ACC GND BACK UP B. REM FUSE 10A ACC ILL TELMUTE B.REM ILL www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 16 3.2 BLOCK DIAGRAM(KEH-P7025/XN/ES) IC 101 HA12187FP IP-BUS DRIVER 87 MUTE XOUT XIN PEE 24 40 SYSTEM CONTROLLER IC 601(2/2) PD5698B CN401 VDD VCC ANT 1 2 BUS- BU BUS+ BUS+L BUS-L 1 2 8 6 5 TX RX IPPW SWVDD BU BU BU Q852 TUNER AMP UNIT 13 X601 15 SWDACC VST,VC TUN L BUS+L BUS-L TAPE L Q851 35 DPDT 36 KYDT 23 SYSPW Q101 Q102 IC 851 NJM2360M 6 1 EJTIN 44 43 ILMPW DSE 41 DSENS MIC751 TC7SET08FU IC 801 2 4 94 LVLINL LEVEL IND A D E 5 8 1 7 CN101 11 BUZZER CN251 1 DIRO LOADSW POS ES SC2 55 58 59 61 63 BU MSIN 65 SC1 RIMUTE 33 66 68 CM STBY RIMUTE DIRO POS ES SC2 SC1 CM STBY LOADSW stby B.U MUTE LOAD 5 1 4 2 1 3 11 9 20 19 DECK UNIT IC251 HA12228F IC351 PA2020A EQ AMP MECHANISM DRIVER CN251 CN252 CN254 CN255 CN253 6 16 MS Lch 20 FWD L-ch REV L-ch 37 36 39 18 19 17 3 1 5 6 8 7 10 CN256 3 1 5 6 S1 LOAD S2 MODE EGN1 REEL SENSE M M M2 SUB MOTOR M1 MAIN MOTOR 5 2 1 REEL SENSE PCB 6 5 17 f/R 15 13 13 11 POS NES 18 17 16 15 SC1 CM 16 14 SC2 3 11 9 20 19 6 5 15 13 18 17 16 54 IC 3 EEPROM FM/AM TUNER UNIT 28 27 FM/AM 1ST IF 10.7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER, IF AMP, DET. 6 21 18 LDET COMP 22 25 10 14 12 15 16 8 13 2 3 4 CF202 VDD VCC DI/DO CE2 CK CE1 SDBW SL FMSD NL1 NL2 IC 2 FM MPX AMANT FMANT ATT ATT AMRF FMRF RF ADJ ANT2 ADJ X901 10.25MHz ANT1 ADJ LOCL 23 LOCH AMDET MPXREF 41kHz AM 2ND IF 450kHz 19 CREQ 11 DGND 1 STIND L ch 5 R ch 9 24 NC FMLOCL 20 17 7 NC NC WC 26 RFGND www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 17 12 1 BSENS ASENS VDD BU 74 73 SD SL TUNPCE TUNPCK TUNPCE2 TUNPDO ASENBO 10 FL 11 RL 87 MUTE XOUT XIN ILB SWVDD OELB ILB SWDVDD OELB 23 21 3 5 FL- FL+ RL- RL+ ACC 50 97 IN3-L 42 IN4+L 43 IN4-L 44 IN2-L 41 72 2 71 1 82 30 29 81 FLIN 14 RLIN 12 22 4 RESET POWER AMP IC 601(1/2) PD5698B LLER IC 203 PML009A IC 961 S-80735ANDZI IC 301 PAL007A RESET VDD Q911 Q931 SYSPW BU TX RX TX RX IPPW ELECTRONIC VOLUME/ SOURCE SELECTOR BU BU STBY MUTE IC 1901 PD5706A OEL CONTROLLER/ KEY CONTROLLER KEY MATRIX 9 11 8 KEY DATA OEL DATA VDD 14 CN801 CN1901 Q803 Q804 Q802 KEYBOARD UNIT 13 X601 15 2 ACC VST,VCK,VDT TUN L BUS+L BUS-L TAPE L DPDT 3 5 DPDT KYDT SYS+B BU Q921 Q922 23 SYSPW BU Q301 MUTE RL Q351 PL 1 Q352 FL 5 Q353 FL R L 12 PL Q801 IC 851 NJM2360M 6 1 EJTIN 44 7 2 10 11 14 8 7 2 10 11 14 8 CN1850 CN1851 S1850 KYDT 4 2 5 10 8 IC 1902 PD8088A FONT ROM IC 1903 TSOP1840SB3V REMOTE CONTROL SENSOR OPT IN 3 1 5 GREEN REM 27 28 DPDT KTDT EJECT OEL UNIT Q1941 4,16 2,8 3 ILMPW MUTE PL FL RL S801 DSENS SYSTEM CONTROLLER Q932 Q951 VDD ISENS 83 TELIN 10 25 B.REMOTE FL- FL+ RL- RL+ MIC751 13 MIC_IN IC 1904 S-818A33AUC-BGN 3.3V REGULATOR 1 5 VDD REGULATOR ILL SENSE BACKUP SENSE ACC SENSE TELEPHONE MUTE SYS+B REGULATOR 3 9 11 12 10 2 5 8 6 3 9 11 12 10 2 5 8 6 1 1 C PANEL UNIT B TC7SET08FU IC 801 2 4 NJM4558MD IC 132 5 7 94 LVLINL 1 SEL_OUT_L LEVEL INDICATOR CN901 Q982 B.U CN351 CN352-1 CN352-2 BACK UP GND FUSE 10A ACC ILL TELMUTE B.REM www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 18 3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P7020R/XN/EW) A-a A-a A-b A-a A-a A-b A-b A-b A-b A-a A-a Large size SCH diagram Guide page Detailed page A B Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". CN451 2 3 1 4 EJECT PDH0046A 1K 47K 100K NC 11 10 9 8 7 6 5 4 3 2 1 Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← The > mark 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 designation. Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. NOTE : Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. > B C D PANEL UNIT KEYBOARD UNIT CN1901 FM/AM TUNER UNIT CN251 IP-BUS IP-BUS DRIVER ELEC SOU HANDSFREE RDS DECODER SYSTEM CONTROLLER TEL ANTENNA JACK 0R0 0R0 FM(100%):-15.5dBs AM(30%):-26.0dBs TAPE:-11.2dBs IP-BUS:+2.2dBs FM: -16.5dBs AM: -27.0dBs IP-BUS: +2.2dBs TAPE:-11.24dBs NC NR RIMUTE MSIN DIRO PLAY MTLSW LOADSW ES NC POS SC2 SC1 CM NC STBY NC www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 19 A-b A 600µH 10K(B) 1 2 4 3 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 RR + RR - FR + FR - FL + FL - RL + RL - ACC GND B. REM BACK UP RR+ RR- FR+ FR- FL+ FL- RL+ RL- ACC GND B.REM BACK UP TEL MUTE 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 ILL ILL FUSE 10A CEK1136 NC EMUTE PAL007A REAR R CH REAR L CH FRONT L CH L CH R CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME, SOURCE SELECTOR SYSTEM CONTROLLER RESET ASL LEVEL INDICATOR MUTE MUTE POWER AMP DC/DC CONVERTER TEL BSENSE ASENSE ILL SENSE > PML009A MUTE MUTE MUTE VDD REGULATOR SYS+B REGULATOR 0R0 0R0 FM: -16.5dBs AM: -27.0dBs BUS: +2.2dBs APE:-11.24dBs FM: +6.6dBs AM: -1.9dBs IP-BUS: +9.3dBs TAPE:-4.14dBs FM:+14.1dBs AM: +0.6dBs IP-BUS:+14.9dBs TAPE:+1.36dBs FM: +32.6dBs AM: +24.1dBs IP-BUS: +35.3dBs TAPE:+21.86dBs ES NC POS SC2 SC1 CM NC STBY NC NC NC NC NC NC 1R5K 1R5K www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 20 A-a A-b A-a A-b A-a A-b 1 CN451 PDH0046A 1K 47K 100K 11 10 9 8 7 6 5 4 3 2 1 Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← The > mark 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 designation. Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. NOTE : Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. > D NIT CN251 IP-BUS IP-BUS DRIVER HANDSFREE TEL FM(100%):-15.5dBs AM(30%):-26.0dBs TAPE:-11.2dBs IP-BUS:+2.2dBs FM: -16.5dBs AM: -27.0dBs IP-BUS: +2.2dBs TAPE:-11.24dBs www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 21 A-a A-b A-a A-b A-a A-b B 2 2 3 1 4 EJECT 1K 47K B C PANEL UNIT KEYBOARD UNIT CN1901 FM/AM TUNER UNIT RDS DECODER SYSTEM CONTRO ANTENNA JACK FM(100%):-15.5dBs AM(30%):-26.0dBs NC NR RIMUTE MSIN DIRO PLAY MTLSW LOADSW ES NC POS SC2 SC1 CM NC STBY www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 22 A-a A-b A-b 1 10K(B) 1 2 4 3 UTE PAL007A 0R0 0R0 REAR R CH REAR L CH FRONT L CH L CH R CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME, SOURCE SELECTOR RESET ASL LEVEL INDICATOR MUTE POWER AMP PML009A MUTE MUTE MUTE FM: -16.5dBs AM: -27.0dBs P-BUS: +2.2dBs TAPE:-11.24dBs FM: +6.6dBs AM: -1.9dBs IP-BUS: +9.3dBs TAPE:-4.14dBs FM:+14.1dBs AM: +0.6dBs IP-BUS:+14.9dBs TAPE:+1.36dBs www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 23 A-a A-b A-b 2 600µH 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 RR + RR - FR + FR - FL + FL - RL + RL - ACC GND B. REM BACK UP RR+ RR- FR+ FR- FL+ FL- RL+ RL- ACC GND B.REM BACK UP TEL MUTE 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 ILL ILL FUSE 10A CEK1136 NC EMUTE PAL007A SYSTEM CONTROLLER RESET MUTE POWER AMP DC/DC CONVERTER TEL BSENSE ASENSE ILL SENSE > VDD REGULATOR SYS+B REGULATOR FM: +32.6dBs AM: +24.1dBs IP-BUS: +35.3dBs TAPE:+21.86dBs LOADSW ES NC POS SC2 SC1 CM NC STBY NC NC NC NC NC NC 1R5K 1R5K www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 24 3.4 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P7025/XN/ES) A-a A B 2 3 1 4 EJECT NC 11 10 9 8 7 6 5 4 3 2 1 0R0 0R0 Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← The > mark 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 designation. Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. NOTE : Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. B C D PANEL UNIT KEYBOARD UNIT CN1901 FM/AM TUNER UNIT CN251 IP-BUS IP-BUS DRIVER EL SO SYSTEM CONTROLLER ANTENNA JACK FM(100%):-19.5dBs AM(30%):-30.0dBs TAPE:-11.2dBs IP-BUS:+2.2dBs FM: -20.5dBs AM: -31.0dBs IP-BUS: +2.2dBs TAPE:-11.24dBs NC NR RIMUTE MSIN DIRO PLAY MTLSW LOADSW ES NC POS SC2 SC1 CM NC STBY NC R018 R018 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 25 A-b A 600µH 10K(B) 1 2 4 3 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 RR+ RR- FR+ FR- FL+ FL- RL+ RL- ACC GND B.REM BACK UP TEL MUTE 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 ILL FUSE 10A CEK1136 NC EMUTE PAL007A 0R0 0R0 REAR R CH REAR L CH FRONT L CH L CH R CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME, SOURCE SELECTOR SYSTEM CONTROLLER RESET ASL LEVEL INDICATOR MUTE MUTE POWER AMP DC/DC CONVERTER TEL BSENSE ASENSE ILL SENSE > PML009A MUTE MUTE MUTE VDD REGULATOR SYS+B REGULATOR FM: -20.5dBs AM: -31.0dBs P-BUS: +2.2dBs TAPE:-11.24dBs FM: +2.6dBs AM: -7.9dBs IP-BUS: +7.3dBs TAPE:-6.14dBs FM:+10.1dBs AM: -0.4dBs IP-BUS:+14.9dBs TAPE:+1.36dBs FM: +28.6dBs AM: +18.1dBs IP-BUS: +33.3dBs TAPE:+19.86dBs LOADSW ES NC POS SC2 SC1 CM NC STBY NC NC NC NC NC NC 1R5K 1R5K www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 26 A-a A-b A-a A-b A-a A-b 1 11 10 9 8 7 6 5 4 3 2 1 Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← The > mark 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 designation. Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors. NOTE : Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. D NIT CN251 IP-BUS IP-BUS DRIVER FM(100%):-19.5dBs AM(30%):-30.0dBs TAPE:-11.2dBs IP-BUS:+2.2dBs FM: -20.5dBs AM: -31.0dBs IP-BUS: +2.2dBs TAPE:-11.24dBs R018 R018 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 27 A-a A-b A-a A-b A-a A-b B 2 2 3 1 4 EJECT B C PANEL UNIT KEYBOARD UNIT CN1901 FM/AM TUNER UNIT SYSTEM CONTRO ANTENNA JACK FM(100%):-19.5dBs AM(30%):-30.0dBs NC NR RIMUTE MSIN DIRO PLAY MTLSW LOADSW ES NC POS SC2 SC1 CM NC STBY R018 R018 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 28 A-a A-b A-b 1 10K(B) 1 2 4 3 UTE PAL007A 0R0 0R0 REAR R CH REAR L CH FRONT L CH L CH R CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME, SOURCE SELECTOR RESET ASL LEVEL INDICATOR MUTE POWER AMP PML009A MUTE MUTE MUTE FM: -20.5dBs AM: -31.0dBs P-BUS: +2.2dBs TAPE:-11.24dBs FM: +2.6dBs AM: -7.9dBs IP-BUS: +7.3dBs TAPE:-6.14dBs FM:+10.1dBs AM: -0.4dBs IP-BUS:+14.9dBs TAPE:+1.36dBs www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 29 A-a A-b A-b 2 600µH 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 RR+ RR- FR+ FR- FL+ FL- RL+ RL- ACC GND B.REM BACK UP TEL MUTE 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 ILL FUSE 10A CEK1136 NC EMUTE PAL007A SYSTEM CONTROLLER RESET MUTE POWER AMP DC/DC CONVERTER TEL BSENSE ASENSE ILL SENSE > VDD REGULATOR SYS+B REGULATOR FM: +28.6dBs AM: +18.1dBs IP-BUS: +33.3dBs TAPE:+19.86dBs LOADSW ES NC POS SC2 SC1 CM NC STBY NC NC NC NC NC NC 1R5K 1R5K www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 30 3.5 KEYBOARD UNIT(KEH-P7020R/XN/EW) REMOTE CONTROL SENSOR 3.3V REGULATOR DISP/SCRL ENT SFEQ ← ← ← ← BAND/ESC VOLUME TA TEXT C B CN1851 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 31 KEY CONTROL AND OEL CONTROL FONT ROM OEL UNIT MXS8017 C C KEYBOARD UNIT www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 32 3.6 KEYBOARD UNIT(KEH-P7025/XN/ES) REMOTE CONTROL SENSOR 3.3V REGULATOR DISP/SCRL CLK SFEQ ← ← ← ← BAND/ESC VOLUME ENT PAUSE C B CN1851 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 33 KEY CONTROL AND OEL CONTROL FONT ROM OEL UNIT MXS8017 C C KEYBOARD UNIT PD8088A www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 34 3.7 CASSETTE MECHANISM MODULE D D A CN251 DECK UNIT MUTE HA12228F 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1 2 3 4 5 6 7 8 9 10 C253 390P C251 C256 R01 C405 R033 R404 270K R01 C404 910 R403 3R3K C255 R01 C272 R1 C401 3900P R285 0R0 HD1 HEAD ASSY EXA1589 TEST TAPE NCT-150 (400Hz, 200nWb/m) RL RR FR FL C302 R1 C301 R1 VR301 33K(B) -8.24dBs±1dB Fwd-R Fwd-L Rev-R Rev-L NF1(R) Vref1 RIN(L) NC RIN(R) GND FIN(R) Vref2 FIN(L) NFI(L) M-OUT(L) EQOUT(L) Vref4 TAI(L) BIAS NC NC MSGV(S) MUTE 120/70 ser/REP f/R MSDET MSI MAOUT MSGV(R) MOUT(R) EQOUT(R) Vref3 TAI(R) RIP PBOUT(R) NC DET(R) NRONoff CN252 CN251 Dolby-B IC251 390P C252 390P C254 390P PBOUT(L) NC VCC MSOUT NC C403 R022 R402 R33 C402 15K R401 18K R271 C271 1/50 C310 R1 C309 R1 CCP1280 VR302 33K(B) CCP1280 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 5 6 7 8 5 6 7 8 35E D E REEL SENSE PCB SWITCHES: REEL SENSE PCB S1:LOAD SWITCH..........EJECT-PLAY S2:MODE SWITCH............ON-OFF S3:70µs SWITCH............ON-OFF The underlined indicates the switch position. C405 R033 4 270K 01 910 R351 1K R352 1K R353 1K R354 1K R373 0R0 R355 270K C352 3900P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT (MAIN MOTOR) EXA1490 S1 LOAD ESG1007 S2 ESG1007 MODE REEL SENSE EGN1 EGN1004 M2 MOTOR UNIT (SUB MOTOR) EXA1580 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020A C403 R022 S3 ESG1007 70µs R375 0R0 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com KEH-P7020R A B C D 1 2 3 4 1 2 3 4 58 7.1.2 CONNECTOR FUNCTION DESCRIPTION 1. BUS+ 2. GND 3. GND 4. NC 5. BUS- 6. GND 7. BL+ 8. ASENB 9. BR+ 10. BR- 11. BL- 1 2 3 4 5 6 7 8 9 10 11 IP-BUS ANTENNA FRONT OUTPUT REAR OUTPUT SUB WOOFER OR NON-FADING OUTPUT TEL - KEH-P7020R/XN/EW 15 16 13 14 11 12 9 10 7 8 5 6 3 4 1 2 1. GND 2. B.UP 3. ACC 4. NC 5. ILL 6. B.REM 7. NC 8. MUTE POWER SUPPLY 9. RL- 10. FL- 11. RL+ 12. FL+ 13. RR- 14. FR- 15. RR+ 16. FR+ www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com