Pioneer Super Tuner III DEH-P7400MP Service Manual Download

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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

PIONEER CORPORATION 2001

K-ZZD. DEC. 2001 Printed in Japan

This service manual should be used together with the following manual(s):

Model No.

Order No.

Mech. Module Remarks

CX-3007

CRT2820

S9MP3

CD Mech. Module:Circuit Description, Mech.Description, Disassembly

CONTENTS

1. SAFETY INFORMATION ............................................3

2. EXPLODED VIEWS AND PARTS LIST .......................4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...16

4. PCB CONNECTION DIAGRAM ................................42

5. ELECTRICAL PARTS LIST ........................................50

6. ADJUSTMENT..........................................................62

7. GENERAL INFORMATION .......................................71

7.1 DIAGNOSIS ........................................................71

7.1.1 DISASSEMBLY .........................................71

7.1.2

CONNECTOR FUNCTION DESCRIPTION

.......75

7.2 IC ........................................................................77

7.3 OPERATIONAL FLOW CHART ...........................89

7.4 CLEANING ..........................................................90

8. OPERATIONS AND SPECIFICATIONS.....................91

For details, refer to "Important symbols for good services".

ORDER NO.

CRT2783

Service
Manual

DEH-P740MP/XN/UC

MULTI-CD CONTROL HIGH POWER CD/MP3 PLAYER WITH FM/AM TUNER

DEH-P740MP

XN/UC

DEH-P7400MP

XN/UC

DEH-P7450MP

XN/ES

Summary of Contents for Super Tuner III DEH-P7400MP

Page 1: ...CRT2820 S9MP3 CD Mech Module Circuit Description Mech Description Disassembly CONTENTS 1 SAFETY INFORMATION 3 2 EXPLODED VIEWS AND PARTS LIST 4 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 16 4 PCB CONNECTION DIAGRAM 42 5 ELECTRICAL PARTS LIST 50 6 ADJUSTMENT 62 7 GENERAL INFORMATION 71 7 1 DIAGNOSIS 71 7 1 1 DISASSEMBLY 71 7 1 2 CONNECTOR FUNCTION DESCRIPTION 75 7 2 IC 77 7 3 OPERATIONAL FLOW CHART 89 7...

Page 2: ...nts should be performed 3 Cleaning For optical pickups tape deck heads lenses and mirrors used in projection monitors and other parts requiring cleaning proper cleaning should be performed to restore their performances 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the product performances But improper lubrication or applying glue may lead to failures o...

Page 3: ...anual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain chemicals which are ...

Page 4: ...4 DEH P740MP P7400MP P7450MP 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING DEH P740MP XN UC DEH P7400MP XN UC 17 22 20 1 15 19 21 18 3 14 12 13 11 5 9 7 10 6 8 16 2 4 ...

Page 5: ...escription Part No Owner s Manual Installation Manual Model Part No Language DEH P740MP XN UC CRD3509 English French CRD3526 English French DEH P7400MP XN UC CRD3510 English French CRD3527 English French 2 CONTRAST TABLE DEH P740MP XN UC and DEH P7400MP XN UC are constructed the same except for the following Part No Mark No Symbol and Description DEH P740MP XN UC DEH P7400MP XN UC 17 Carton CHG461...

Page 6: ...6 DEH P740MP P7400MP P7450MP 2 2 PACKING DEH P7450MP XN ES 13 18 16 1 11 15 17 10 9 8 14 4 6 7 5 2 3 12 ...

Page 7: ...ew CRZ50P090FMC 7 Screw TRZ50P080FMC 8 Polyethylene Bag CEG 158 9 Handle CNC5395 10 Bush CNV3930 11 Polyethylene Bag CEG 162 12 Battery CEX1065 13 Carton CHG4610 14 Contain Box CHL4610 15 Protector CHP2251 16 Protector CHP2252 17 1 Owner s Manual CRD3511 17 2 Owner s Manual CRD3512 17 3 Installation Manual CRD3528 17 4 Caution Card CRP1207 17 5 Polyethylene Bag CEG1116 18 Case Assy CXB3520 Mark No...

Page 8: ...8 DEH P740MP P7400MP P7450MP 2 3 EXTERIOR DEH P740MP XN UC ...

Page 9: ...8 Pin CNV6486 49 Lighting Conductor CNV6487 50 Gear CNV6507 51 Arm CNV6508 52 Panel Unit CWM7986 53 Socket CN1850 CKS3550 54 Connector CN1851 CKS4462 55 Damper Unit CXB5070 56 Holder Unit CXB6356 57 Holder Unit CXB6357 58 Clutch Unit CXB6358 59 Screw IMS20P045FZK 60 Detach Grille Assy CXB7913 61 Screw BPZ20P080FMC 62 Screw BPZ20P100FZK 63 Button SELECT CAC7220 64 Button SFEQ CAC7221 65 Button ENT ...

Page 10: ...10 DEH P740MP P7400MP P7450MP 2 4 EXTERIOR DEH P7400MP XN UC DEH P7450MP XN ES ...

Page 11: ...ng Conductor CNV6487 50 Gear CNV6507 51 Arm CNV6508 52 Panel Unit CWM7986 53 Socket CN1850 CKS3550 54 Connector CN1851 CKS4462 55 Damper Unit CXB5070 56 Holder Unit CXB6356 57 Holder Unit CXB6357 58 Clutch Unit CXB6358 59 Screw IMS20P045FZK 60 Detach Grille Assy See Contrast table 2 61 Screw BPZ20P080FMC 62 Screw BPZ20P100FZK 63 Button SELECT CAC7220 64 Button SFEQ CAC7221 65 Button ENT See Contra...

Page 12: ...ES 18 Tuner Amp Unit CWM8315 CWM8148 25 Panel CNS6934 CNS6935 60 Detach Grille Assy CXB8493 CXB8426 65 Button ENT CAC7303 CAC7253 66 Button AUDIO CAC7224 CAC7254 90 Sub Grille Assy CXB8943 CXB8944 2 CONTRAST TABLE DEH P7400MP XN UC and DEH P7450MP XN ES are constructed the same except for the following ...

Page 13: ...13 DEH P740MP P7400MP P7450MP ...

Page 14: ...14 DEH P740MP P7400MP P7450MP 2 5 CD MECHANISM MODULE D GEM1035 GEM1035 GEM1040 ...

Page 15: ...acket CNC9123 39 Frame CNC9656 40 Belt CNT1086 41 Gear CNV6886 42 Gear CNV6316 43 Gear CNV6317 44 Gear CNV6318 45 Gear CNV6319 46 Gear CNV6320 47 Arm CNV6322 48 Arm CNV6323 49 Arm CNV6324 50 Arm CNV6888 51 Arm CNV6889 52 Guide CNV6327 53 Arm CNV6924 54 Guide CNV6921 55 Rack CNV6923 56 Clamper CNV6331 57 Arm CNV6332 58 Guide CNV6333 59 Cover CNV6334 60 Arm CNV6335 61 Guide CNV6336 62 Roller CNV6338...

Page 16: ...F 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 CN901 Q101 M LASER DIODE MONITOR DIODE CLAMP SENSE DISC SENSE FOCUS ACT SPINDLE MOTOR M CARRIAGE MOTOR LOAD TRACKING ACT LD MD FO TO 15 5 1 4 PICKUP UNIT SERVICE P9MP3 HOLOGRAM UNIT IC 301 BA5996FM IC 201 UPD63760GJ IC 703 3 3V REGULATO...

Page 17: ...D L DPDT 3 5 DPDT KYDT SYS B BU Q921 Q922 23 YSPW BU Q301 MUTE RL IC 271 PA2028A HIGH OUT Q351 PL 1 OUT1 18 Q352 FL 5 Q353 FL R L OUT3 16 OUT5 14 12 PL 7 9 11 IN1 IN3 IN5 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 PD8089A FONT ROM IC 1903 TSOP1840SB3V REMOTE CONTROL SENSOR OPT IN 3 1 5 GREEN REM 27 28 DPDT KTDT EJECT OEL UNIT Q1941 4...

Page 18: ...T2 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 CN901 Q101 M LASER DIODE MONITOR DIODE CLAMP SENSE DISC SENSE FOCUS ACT SPINDLE MOTOR M CARRIAGE MOTOR LOAD TRACKING ACT LD MD FO TO 15 5 1 4 PICKUP UNIT SERVICE P9MP3 HOLOGRAM UNIT IC 301 BA5996FM IC 201 UPD63760GJ IC 703 3 3V REGULATOR RF AMP...

Page 19: ...ST VCK VDT TUN L BUS L BUS L CD L DPDT 3 5 DPDT KYDT SYS B BU Q921 Q922 23 YSPW BU Q301 MUTE Q351 1 FL 5 Q353 FL PL 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 B MUTE PL FL S801 DSENS SYSTEM CONTROLLER...

Page 20: ...ponent 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 PANEL UNIT KEYBOARD UNIT CN1901 FM AM TUNER UNIT...

Page 21: ... CH FRONT L CH L CH R CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME SOURCE SELECTOR TEM CONTROLLER RESET LEVEL INDICATOR HIGH OUTPUT MUTE MUTE POWER AMP DC DC CONVERTER TEL BSENSE ASENSE ILL SENSE PML009A MUTE MUTE MUTE VDD REGULATOR SYS B REGULATOR 5dBs 0dBs 2dBs 2dBs FM 2 6dBs AM 7 9dBs IP BUS 7 3dBs CD 7 9dBs FM 10 1dBs AM 0 4dBs IP BUS 14 9dBs CD 15 4dBs FM 28 6dBs AM 18 1dBs IP BUS 33 3dBs...

Page 22: ...n 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 CN901 IP BUS IP BUS DRIVER CD CORE UNIT S9MP3 VD REGULATOR D M 100 19 5dBs M 30 30 0dBs CD 0 2dBs IP BUS 2 2dBs FM 20 5dBs AM 31 0dB...

Page 23: ... A B C D 5 6 7 8 A a A b 2 3 1 4 EJECT R018 R018 1R6K 1R6K 2R7K 2R7K PANEL UNIT KEYBOARD UNIT CN1901 FM AM TUNER UNIT SYSTEM CONTR ANTENNA JACK B C FM 100 1 AM 30 3 BSO BSI BSCK NC BRST BRXEN BSRQ NC NC NC NC CSENSOUT NC NC NC 2 3 4 A a B ...

Page 24: ...AR R CH REAR L CH FRONT L CH L CH R CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME SOURCE SELECTOR RESET LEVEL INDICATOR HIGH OUTPUT MUTE POWER AMP PML009A MUTE MUTE MUTE 5dBs 0dBs 2dBs 2dBs FM 2 6dBs AM 7 9dBs IP BUS 7 3dBs CD 7 9dBs FM 10 1dBs AM 0 4dBs IP BUS 14 9dBs CD 15 4dBs 1 ...

Page 25: ...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 HTELM EMUTE EM CONTROLLER MUTE DC DC CONVERTER TEL BSENSE ASENSE ILL SENSE VDD REGULATOR SYS B REGULATOR FM 28 6dBs AM 18 1dBs IP BUS 33 3dBs CD 33 9dBs CSENSOUT NC NC NC NC NC NC NC NC NC NC NC NC NC 2 3 4 ...

Page 26: ...ing 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 PANEL UNIT KEYBOARD UNIT CN1901 FM AM TUNER UNIT CN901 IP BUS IP BUS DRIVER SYST ANTENNA JACK CD CORE UNIT S9MP3 VD REGULATOR D B C FM 100 1...

Page 27: ...ELECTRONIC VOLUME SOURCE SELECTOR TEM CONTROLLER RESET LEVEL INDICATOR MUTE MUTE POWER AMP DC DC CONVERTER TEL BSENSE ASENSE ILL SENSE PML009A MUTE MUTE VDD REGULATOR SYS B REGULATOR DEH P7400MP XN UC 47K Not used R601 R602 DEH P7450MP XN ES Not used 47K PAL007A 5dBs 0dBs 2dBs 2dBs FM 2 6dBs AM 7 9dBs IP BUS 7 3dBs CD 7 9dBs FM 3 84dBs AM 6 66dBs IP BUS 8 54dBs CD 9 14dBs FM 28 6dBs AM 18 1dBs IP ...

Page 28: ...n 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 CN901 IP BUS IP BUS DRIVER CD CORE UNIT S9MP3 VD REGULATOR D M 100 19 5dBs M 30 30 0dBs CD 0 2dBs IP BUS 2 2dBs FM 20 5dBs AM 31 0dB...

Page 29: ... A B C D 5 6 7 8 A a A b 2 3 1 4 EJECT R018 R018 1R6K 1R6K 2R7K 2R7K PANEL UNIT KEYBOARD UNIT CN1901 FM AM TUNER UNIT SYSTEM CONTR ANTENNA JACK B C FM 100 1 AM 30 3 BSO BSI BSCK NC BRST BRXEN BSRQ NC NC NC NC CSENSOUT NC NC NC 2 3 4 A a B ...

Page 30: ...1 2 4 3 R CH L CH FRONT L CH FRONT R CH A TUNER AMP UNIT ELECTRONIC VOLUME SOURCE SELECTOR RESET LEVEL INDICATOR MUTE POWER AMP PML009A MUTE MUTE PAL007A 5dBs 0dBs 2dBs 2dBs FM 2 6dBs AM 7 9dBs IP BUS 7 3dBs CD 7 9dBs FM 3 84dBs AM 6 66dBs IP BUS 8 54dBs CD 9 14dBs 1 ...

Page 31: ...TEL MUTE 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 ILL FUSE 10A CEK1136 HTELM EMUTE EM CONTROLLER MUTE DC DC CONVERTER TEL BSENSE ASENSE ILL SENSE VDD REGULATOR SYS B REGULATOR DEH P7400MP XN UC 47K Not used R601 R602 DEH P7450MP XN ES Not used 47K FM 28 6dBs AM 18 1dBs IP BUS 33 3dBs TAPE 19 86dBs CD 33 9dBs CSENSOUT NC NC NC NC NC NC NC NC NC NC NC NC NC 2 3 4 ...

Page 32: ...SOR 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 C ...

Page 33: ...740MP P7400MP P7450MP 5 6 7 8 A B C D 5 6 7 8 33 KEY CONTROL AND OEL CONTROL FONT ROM OEL UNIT MXS8017 C C KEYBOARD UNIT DEH P740MP XN UC PD8089A IC1902 DEH P7400MP XN UC PD8088A DEH P7450MP XN ES PD8088A C ...

Page 34: ... CXB5903 PICKUP UNIT SERVICE P9MP3 CD CORE UNIT S9MP3 D SWITCHES CD CORE UNIT S9MP3 S901 HOME SWITCH ON OFF S902 CLAMP SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position D RAM F F F F F F F F F F F F F T T T T T C S T C S T T T S C S S C C S S C C 1 2 3 5 6 7 8 0 D a ...

Page 35: ...35 DEH P740MP P7400MP P7450MP 5 6 7 8 A B C D 5 6 7 8 D A A CN653 F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE 4 9 16 D b ...

Page 36: ...36 DEH P740MP P7400MP P7450MP A 1 2 3 4 B C D 1 2 3 4 PICKUP UNIT SERVICE P9MP3 CD CORE UNIT S9MP3 D D RAM F F F F F F F F F F T T T T T C S T C S 0 D a D a D b 1 ...

Page 37: ...OADING CARRIAGE MOTOR M2 CXB5903 SWITCHES CD CORE UNIT S9MP3 S901 HOME SWITCH ON OFF S902 CLAMP SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position F F F T T T S C S S C C S S C C 1 2 3 5 6 7 8 D a D a D b 2 ...

Page 38: ...38 DEH P740MP P7400MP P7450MP A 1 2 3 4 B C D 1 2 3 4 D b RAM F T C SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE 9 16 D a D b 1 ...

Page 39: ...39 DEH P740MP P7400MP P7450MP 5 6 7 8 A B C D 5 6 7 8 D b A A CN653 F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE 4 D a D b 2 ...

Page 40: ...ode Normal Ref GND Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal Ref REFO Mode Normal 500ms div 8 CH1 FIN 200mV div 9 CH2 RFOK 2V div 5 CH3 SIN 2V div When setting up Source On 12cm CD DA 500ms div 20ms div CH1 FE 500mV div 8 CH2 FIN 500mV div 0...

Page 41: ...alog Audio Magnified 200µs div CH1 RFAGC 1V div 0 CH2 TE 1V div 6 CH3 CIN 500mV div 5 CH4 SIN 2V div During inside outside search outer circumference inner circumference 500µs div CH1 LRCKIN 2V div CH2 DIN 2V div CH3 SCKIN 2V div Digital Audio 10µs div CH1 RFAGC 1V div 0 CH2 TE 500mV div 7 CH3 TIN 500mV div 100Track Jump 5ms div Ref REFO Mode TEST Ref REFO Mode TEST Ref REFO Mode TEST Ref REFO Mod...

Page 42: ... 4 3 2 1 2 1 DSENS A TUNER AMP UNIT CORD ASSY OUTPUT POWER SUPPLY CORD ASSY PREOUT 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams ...

Page 43: ...12 14 2 17 19 21 23 25 15 18 20 22 24 16 3 2 1 4 6 5 7 10 9 8 11 3 5 7 9 11 13 1 4 6 8 10 12 14 2 19 17 15 13 11 9 5 3 1 7 18 16 14 12 10 8 4 2 6 3 5 7 9 11 13 1 17 19 15 4 6 8 10 12 14 2 18 20 16 28 ANTENNA JACK 1 3 4 2 RL RR PRE OUT IP BUS B CN1850 FRONT FM AM TUNER UNIT D CN901 SIDE A ...

Page 44: ...44 DEH P740MP P7400MP P7450MP A 1 2 3 4 B C D 1 2 3 4 A IC Q A A TUNER AMP UNIT ...

Page 45: ...DEH P740MP P7400MP P7450MP 5 6 7 8 A B C D 5 6 7 8 45 2 3 4 1 7 6 5 8 A SIDE B A ...

Page 46: ...46 DEH P740MP P7400MP P7450MP A 1 2 3 4 B C D 1 2 3 4 1 3 2 4 5 7 6 8 9 11 10 12 B PANEL UNIT B PANEL UNIT A CN801 C CN1901 EJECT 4 2 PANEL UNIT B SIDE B SIDE A ...

Page 47: ... 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 5 6 AUDIO BAND ESC SFEQ 6 5 4 3 2 1 SOURCE VOLUME ENT EQ B CN1851 FUNC C KEYBOARD UNIT C KEYBOARD UNIT DISP SCRL 1 3 5 6 4 2 12 10 8 11 9 7 5 4 1 3 2 OEL UNIT ADJ CLK SELECT PAUSE OEL UNIT TP1 TP2 4 3 KEYBOARD UNIT SIDE A SIDE B C ...

Page 48: ...MP P7400MP P7450MP A 1 2 3 4 B C D 1 2 3 4 1 5 10 15 19 REFO1 F E HOME DSCSNS 12EJ 4 4 CD MECHANISM MODULE CD CORE UNIT S9MP3 SIDE A D D M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR PICKUP UNIT SERVICE P9MP3 CN653 A ...

Page 49: ...49 DEH P740MP P7400MP P7450MP 1 2 3 4 A B C D 1 2 3 4 CLAMP 8EJ R790 SIDE B CD CORE UNIT S9MP3 D D ...

Page 50: ...Diode Network DA204U D 133 Diode DAN202U D 134 Diode DAP202U D 801 Diode HZS6L B1 D 803 Diode Network DA204U D 804 Diode DAN202U D 805 Diode DAP202U D 806 Diode DAN202U D 807 Diode DAP202U D 808 Diode HZS11L A1 D 851 Diode HZS9L C3 D 852 Diode RB411D D 901 Diode 1SR139 400 D 902 Diode 1SR139 400 D 903 Diode 1SR139 400 D 904 Diode 1SR139 400 D 911 Diode 1SR139 400 D 912 Diode HZS6L B1 D 921 Diode H...

Page 51: ...R0J R 608 RS1 16S104J R 610 RS1 16S102J R 611 RS1 16S102J R 612 RS1 16S102J R 614 RS1 16S222J R 615 RS1 16S104J R 616 RS1 16S473J R 617 RS1 16S0R0J R 619 RS1 16S473J R 620 RS1 16S472J R 621 RS1 16S473J R 623 RS1 16S473J R 624 RS1 16S0R0J R 625 RS1 16S682J R 626 RS1 16S682J R 627 RS1 16S104J R 628 RS1 16S104J R 629 RS1 16S104J R 630 RS1 16S104J R 636 RS1 16S221J R 637 RS1 16S221J R 639 RS1 16S0R0J ...

Page 52: ...JQ101M16 C 279 CEJQ100M16 C 280 CEJQ100M16 C 281 CKSRYB105K10 C 282 CKSYB684K25 C 283 CASAQ4R7M16 C 284 CEJQ330M25 C 285 CEJQ330M25 C 306 CEHAR330M10 C 307 4700µF 16V CCH1367 C 309 CKSRYB104K16 C 310 CEHAR100M16 C 311 CKSQYB225K10 C 313 CKSRYB474K10 C 314 CKSRYB474K10 C 315 CKSRYB474K10 C 316 CKSRYB474K10 C 321 CKSRYB474K10 C 322 CKSRYB474K10 C 323 CKSRYB474K10 C 324 CKSRYB474K10 C 325 CKSQYB225K1...

Page 53: ...iode 1SR139 400 D 904 Diode 1SR139 400 D 911 Diode 1SR139 400 D 912 Diode HZS6L B1 D 921 Diode HZS9L C1 D 931 Diode HZS7L A1 D 932 Diode HZS7L C3 D 951 Diode DAN202U D 981 Diode DAN202U D 982 Diode HZS9L A2 D 991 Diode HZS9L B1 ZNR 451 Surge Protector DSP 201M A21F L 171 Inductor CTF1530 L 401 Ferri Inductor LAU2R2K L 402 Ferri Inductor LAU4R7K L 403 Inductor LAU1R0K L 601 Ferri Inductor LAU2R2K L...

Page 54: ...810 RS1 16S222J R 811 RS1 16S222J R 812 RS1 16S222J R 813 RS1 16S222J R 814 RS1 16S222J R 815 RS1 16S473J R 816 RS1 16S104J R 817 RD1 4PU391J R 819 RS1 16S222J R 820 RS1 16S222J R 851 RS1 16S331J R 852 RD1 4PU302J R 853 RD1 4PU302J R 854 RS1 16S121J R 855 RS1 16S391J R 856 RS1 16S1R0J R 857 RS1 16S331J R 912 RS1 16S102J R 913 RS1 16S223J R 914 RS1 16S102J R 921 RS1 10S1R0J R 922 RD1 4PU221J R 923 ...

Page 55: ...K16 C 861 CKSRYB103K50 C 912 CKSRYB472K50 C 913 CKSRYB103K50 C 914 CEJQ470M10 C 921 330µF 10V CCH1181 C 922 CKSRYB103K50 C 923 CEJQ101M16 C 931 CEJQ100M16 C 932 CKSRYB104K16 C 963 CEJQ2R2M50 C 991 CKSRYB473K25 C 992 CKSRYB102K50 C 993 CEJQ101M10 C 999 470µF 16V CCH1183 Unit Number CWM8148 DEH P7450MP XN ES Unit Name Tuner Amp Unit MISCELLANEOUS IC 101 IC HA12187FP IC 132 IC NJM4558MD IC 203 IC PML...

Page 56: ...162J R 164 RS1 16S162J R 171 RS1 16S102J R 172 RS1 16S102J R 241 RS1 16S102J R 242 RS1 16S102J R 245 RS1 16S101J R 246 RS1 16S101J R 247 RS1 16S101J R 248 RS1 16S101J R 249 RS1 16S101J R 250 RS1 16S101J R 287 RS1 16S0R0J R 288 RS1 16S0R0J R 291 RS1 16S0R0J R 292 RS1 16S0R0J R 301 RS1 16S103J R 302 RS1 16S103J R 304 RS1 16S331J R 351 RS1 16S821J R 352 RS1 16S821J R 355 RS1 16S821J R 356 RS1 16S821J...

Page 57: ...C 144 CKSRYB474K10 C 145 CCSRCH101J50 C 146 CCSRCH101J50 C 147 CKSRYB103K50 C 161 CKSRYB183K25 C 162 CKSRYB183K25 C 171 CEJQ470M10 C 172 CKSRYB104K16 C 173 CEJQ100M16 C 177 CCSRCH100D50 C 178 CCSRCH100D50 C 179 CCSRCH100D50 C 180 CCSRCH100D50 C 181 CKLSRB152K50 C 182 CKLSRB152K50 C 191 CEJQ1R0M50 C 192 CEJQ1R0M50 C 205 CEJQR22M50 C 206 CEJQR22M50 C 207 CEJQ1R0M50 C 208 CEJQ1R0M50 C 209 CEJQ1R0M50 ...

Page 58: ... 1908 Push Switch CSG1111 S 1909 Switch CSG1107 S 1910 Switch CSG1107 S 1911 Switch CSG1107 S 1912 Switch CSG1107 S 1913 Switch CSG1107 S 1914 Switch CSG1107 S 1915 Switch CSG1107 S 1916 Switch CSG1107 S 1917 Switch CSG1107 S 1918 Switch CSG1107 S 1919 Switch CSG1107 S 1920 Switch CSG1107 S 1922 Switch CSG1107 S 1923 Switch CSG1107 S 1924 Switch CSG1107 S 1930 Encoder VOLUME CSD1059 VR 1941 Semi f...

Page 59: ...SG1107 S 1912 Switch CSG1107 S 1913 Switch CSG1107 S 1914 Switch CSG1107 S 1915 Switch CSG1107 S 1916 Switch CSG1107 S 1917 Switch CSG1107 S 1918 Switch CSG1107 S 1919 Switch CSG1107 S 1920 Switch CSG1107 S 1922 Switch CSG1107 S 1923 Switch CSG1107 S 1924 Switch CSG1107 S 1930 Encoder VOLUME CSD1059 VR 1941 Semi fixed 20kΩ B CCP1231 OEL Unit MXS8017 RESISTORS R 1901 RS1 16S222J R 1902 RS1 16S222J ...

Page 60: ...ng Switch DSCSNS CSN1051 S 904 Spring Switch 12EJ CSN1052 S 905 Spring Switch 8EJ CSN1051 RESISTORS R 101 RS1 10S1R5J R 102 RS1 10S1R5J R 103 RS1 10S1R5J R 104 RS1 10S1R5J R 105 RS1 10S1R5J R 201 RS1 16SS102J R 202 RS1 16SS333J R 203 RS1 16SS333J R 204 RS1 16SS333J R 205 RS1 16SS0R0J R 207 RS1 16SS0R0J R 209 RS1 16SS0R0J R 212 RS1 16SS221J R 213 RS1 16SS1002D R 214 RS1 16SS1002D R 215 RS1 16SS1002...

Page 61: ... 216 CKSSYB103K16 C 217 CKSSYB104K10 C 218 CKSSYB104K10 C 219 CKSSYB104K10 C 220 CKSSYB103K16 C 221 CKSSYB104K10 C 222 CCSSCH270J50 C 223 CCSSCJ3R0C50 C 224 CKSSYB104K10 C 225 CKSSYB103K16 C 226 CCSSCH680J50 C 227 CCSSCH470J50 C 228 CKSSYB682K25 C 230 CKSSYB104K10 C 232 CKSSYB104K10 C 233 47µF 6 3V CCH1436 C 234 CEV221M4 C 235 CKSRYB224K16 C 237 CKSSYB104K10 C 238 CKSSYB104K10 C 301 CKSSYB331K50 C...

Page 62: ...hen the OEL Unit has been replaced 1 Use VR1941 to adjust the resistance between TP1 and TP2 to 6 60kΩ TP1 TP2 IC1901 VR1941 CN1901 IC1902 Digital Multi Meter KEYBOARD UNIT SIDE B Adjustment point 6 ADJUSTMENT 6 1 OEL UNIT ADJUSTMENT ...

Page 63: ... about one minute to allow the circuits to stabi lize Since the protective systems in the unit s software are rendered inoperative in test mode be very careful to avoid mechanical and or electrical shocks to the sys tem when making adjustment The RFI and RFO signals are easy to oscillate because of a wide band When observing them insert a resis tor of about 1 kΩ to the series This equipment will n...

Page 64: ... 2 Automatic adjustment value display switching 3 TRK MIN SEC 1 T CLS and F T AGC and RF AGC and Applicable servomechanism TRKxxMINxxSECxx 6 T Close and Applicable servomechanism TRKxxMINxxSECxx 3 RF AGC RF AGC coefficient display TRK MIN SEC CRG TRK8x MIN8x SEC8x or TRK9xMIN9xSEC9x CRG TRK8xMIN8xSEC8x or TRK9xMIN9xSEC9x 2 T Balance adjustment T Balance coefficient display TRK MIN SEC 1 F T RF AGC...

Page 65: ...U unit to the innermost track 3 Press key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjust ment the display should now read 81 Press key 3 The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence is within 75 Refer to the photographs...

Page 66: ...66 DEH P740MP P7400MP P7450MP Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 67: ... move mechanism Communication error between microcomputer and SERVO LSI 11 Electricity Focus Servo NG Focusing not available Stains on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Subcode NG Failure on spindle stains or damages on disc or excessive vibrations A disc not containing CD R data is found Turne...

Page 68: ... test mode by turning on the reset start 2 Key Correspondence Key Test mode New test mode Regulator Off Regulator On In play Error Production BAND To regulator on To regulator off Time Err No switching FWD Kick FF TR REV Kick REV TR 1 Tracking Close Scan 2 Tracking Open Mode 3 Focus Close Focus Open Jump Off 6 To new test mode Jump mode switching Auto Manu Note Eject and CD on off is performed in ...

Page 69: ...cking close start Spindle stationary servocontrol setting Focus slips off 33 Tracking close 2 Focus slips off 34 Tracking close 3 Focus slips off 35 Focus Tracking AGC start Focus slips off 36 Focus Tracking AGC 2 Focus slips off 37 Focus Tracking AGC 3 Focus slips off 38 Focus Tracking AGC 4 Focus slips off 39 Focus Tracking AGC 5 Focus slips off 40 Focus Tracking AGC 6 Focus slips off 41 Focus T...

Page 70: ...e normal mode 3 When a Protection Error Occurred A Error display A B C BAND key 8 digit display 6 digit display 4 digit display ERROR xx ERR xx E xx B Error occurrence timing display in track no B C Auto Manual key 8 digit display 6 digit display 4 digit display Auto setting TNO Min Sec TNO 10 40 05 10 C Error occurrence timing display in absolute time B C Auto Manual key 8 digit display 6 digit d...

Page 71: ...er Amp Unit is different partially from this photo Removing the Case not shown 1 Remove the Case Removing the Grille Panel Assy Fig 1 Remove the two screws and then remove the Grille Panel Assy Removing the CD Mechanism Module Fig 1 Remove the four screws and then remove the CD Mechanism Module Fig 1 Fig 2 Tuner Amp Unit CD Mechanism Module Grille Panel Assy 7 GENERAL INFORMATION 7 1 DIAGNOSIS 7 1...

Page 72: ... as the Anode terminal and the OEL Unit is removed Fig 4 5 Remove the Holder Remove after removing the Cathode ter minal without fail Fig 4 Installing the OEL Unit 1 Install the Holder in the OEL Unit Fig 5 2 When soldering the flexible cable for the Cathode terminal on the PCB use a pair of tweezers First insert the tips of tweezers into 2 holes in the flexible cable then into the 2 holes in the ...

Page 73: ...amper while slowly pulling up the part 4 Now the top frame has been removed and under this state fix the genuine Connector again and eject the disk Caution When you reassemble the Carriage Mechanical part apply a bit of alcohol to Dampers How to remove the Guide Arm Assy 1 Unlock the spring 1 piece at the right side of the assembly 2 Unscrew screws 2 pieces then remove the Screw Gear Bracket 3 Shi...

Page 74: ...Unlock the spring 1 piece and remove the E ring 1 piece of the Fulcrum Shaft 2 Shift the arm to the left side direction and unlock pins 2 pieces How to remove the Pickup Unit 1 Unscrew 2 pieces of screws then remove the Pulley Cover 2 Remove the Feed Screw unit from the pawl of the Feed Screw Guide The pawl is located inside the guide 3 Remove the belt from the Pulley then remove the Pickup unit C...

Page 75: ...6 3 4 1 2 1 GND 2 B UP 3 ACC 4 NC 5 ILL 6 B REM 7 NC 8 MUTE 9 RL 10 FL 11 RL 12 FL 13 RR 14 FR 15 RR 16 FR 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 POWER SUPPLY IP BUS ANTENNA FRONT OUTPUT REAR OUTPUT SUB WOOFER OR NON FADING OUTPUT DEH P740MP XN UC ...

Page 76: ...1 GND 2 B UP 3 ACC 4 NC 5 ILL 6 B REM 7 NC 8 MUTE 9 RL 10 FL 11 RL 12 FL 13 RR 14 FR 15 RR 16 FR 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 POWER SUPPLY IP BUS ANTENNA FRONT OUTPUT REAR OUTPUT DEH P7400MP XN UC P7450MP XN ES ...

Page 77: ...OM Chip select output 27 ROMCK O External ROM Clock output 28 ROMDATA I O External ROM Data input output 29 RX I IPBUS Data input 30 TX O IPBUS Data output 31 BSO O PBUS Data output 32 BSI I PBUS Data input 33 BSCK O PBUS Clock output 34 NC Not used 35 DPDT O GRILLE Display data output 36 KYDT I GRILLE Key data input 37 38 ROT1 0 I Rotary encoder pulse input 1 0 39 PCL O Clock adjustment output 40...

Page 78: ...ly control output 82 ASENBO O IPBUS Slave ACC sense output 83 ISENS I Illumination sense input 84 85 MODEL1 0 I Model input 1 0 Not used 86 NC Not used 87 MUTE O Mute output 88 TESTIN I Test program input 89 91 NC Not used 92 LVLINR I Level indicator R ch input 93 CSENS I Flap open close sense input 94 LVLINL I Level indicator L ch input 95 NC Not used 96 AVSS AD converter power supply input Vss 9...

Page 79: ...L IN4 _L IN4 _L 12 11 10 9 8 7 6 5 4 3 2 1 20 19 18 17 16 15 14 13 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 44 43 42 41 PV_in_R SEL_out_R PV_in_L SEL_out_L Pre_out_L Rear_out_L Front_out_L AGND_L SV_in_PreL Tone_out_PreL Tone_out_FL SV_in_RL Tone_out_RL SV_in_FL Vcc SV_in_PreR Tone_out_PreR SV_in_RR Tone_out_FR Pre_out_R Rear_out_R Front_out_R AGND_R Tone_out_RR SV_in_FR Isolato...

Page 80: ...ata output 29 DA2 O Display data MSB output 30 NC Not used 31 CLK1 I Clock input for UART1 32 ILMD O Dual illumination select output 33 DA1 O Display data LSB output 34 NC Not used 35 CLK0 I Clock input for UART0 input 36 NC Not used 37 rdy I Not used 38 NC Not used 39 hold I Not used 40 41 NC Not used 42 rd O Read strobe output 43 46 NC Not used 47 cs O Bank address select output 48 cs O External...

Page 81: ...A 1 D7 D14 D6 D13 D5 D12 D4 VCC A15 A 1 A0 A19 D0 D19 byte VPP ce oe VCC VSS 8 9 4 5 6 7 3 1 Data output Address input Address input Data output Mode select Power supply Chip enable input Output enable input Power supply GND 25 26 50 51 75 76 100 1 PD5706A 1 2 3 VOUT VSS NC VREF 4 5 VIN ON OFF ON OFF S 818A33AUC BGN OUT GND VCC REGULATOR BPF GAIN CONT BPF DET REGISTER PD NOISE AGC 1 2 3 TSOP1840SB...

Page 82: ...er supply for DAC 37 X VDD Power supply for the crystal oscillator 38 XTAL1 Connected to the crystal oscillator 16 9344MHz 39 xtal Connected to the crystal oscillator 16 9344MHz 40 41 X GND Ground for the crystal oscillator 42 xtal Connected to the crystal oscillator 24 576MHz 43 XTAL2 Connected to the crystal oscillator 24 576MHz 44 X VDD Power supply for the crystal oscillator 45 D GND GND for d...

Page 83: ... the capacitor for detecting 3T 114 A GND Ground for the analog system 115 RFI I Input of RF 116 AGCO O Output of RF 117 AGCI I Input of AGC 118 RFO O Output of RF AGC 119 120 EQ2 1 Equalizer 2 1 121 RF2 I Reversal input of RF2 122 RF I Reversal input of RF 123 A GND Ground for the analog system 124 A I Input of A 125 C I Input of C 126 B I Input of B 127 D I Input of D 128 F I Input of F 129 E I ...

Page 84: ...0 18 A1 19 A2 20 A3 21 VCC 22 42 DQ15 41 DQ14 40 DQ13 39 VSS 38 DQ12 37 DQ11 36 DQ10 35 DQ9 32 NC 31 lcas 30 hcas 29 oe 28 A8 27 A7 26 A6 25 A5 24 A4 23 VSS VCC 1 43 DQ16 44 VSS A0 A8 Address input ras Row address strobe lcas Lower column address strobe ucas Upper column address strobe DQ1 DQ16 Data input data output oe Output enable we Write enable VCC Power supply VSS GND NC No connection MSM51V...

Page 85: ...ly pin for CH1 CH2 and CH3 at Power stage 11 VO1 Driver CH1 Negative output 12 VO1 Driver CH2 Positive output 13 VO2 Driver CH2 Negative output 14 VO2 Driver CH2 Positive output 15 VO3 Driver CH2 Positive output 16 VO3 Driver CH2 Negative output 17 VO4 Driver CH4 Positive output 18 VO4 Driver CH4 Negative output 19 POWVCC2 Power supply pin for CH4 at Power stage 20 GND Ground pin 21 CNT Control pi...

Page 86: ... of power supply to servo driver 30 xwait I Input of control signals of CD LSI wait 31 LOEJ O C Output for switching between LOAD EJECT directions 32 CLCONT O C Output for switching between driver inputs 33 CDMUTE O C Output of control of CD Mute 34 reset I Input of system reset 35 XT1 I Connected to the oscillator for subclock connected to VSS via the resistor 36 XT2 Connected to the oscillator f...

Page 87: ...nal DRAM for CD LSI 88 testin I Input with starting test program for checking chips 89 NC Connected to EVDD or EVSS via the resistor 90 xint Input of interruption signals of CD LSI 91 wint Input of interruption signals of WMA decoder 92 brst I Input of reset of P Bus 93 ejsw I Input of Eject key 94 96 NC Open 97 ROMDATA I O C Input output of E2PROM data 98 ROMCS O C Output for chip selection of E2...

Page 88: ...Ω 16 CE1 I chip enable 1 AF RF chip enable Active at High To be grounded at 47kΩ 17 NC Not used 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 NC Not used 21 COMP O composite signal FM composite signal output r out 100Ω 22 VCC power supply Analog section power supply pin DC 8 4V 0 3V 23 LOCH I local high FM...

Page 89: ...After that proceed to each source operation SYSPW H Pin 23 Starts communication with Grille microcomputer Source ON 300ms 300ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300msec the oscillator may be defective CSENS Pin 93 2V CSENS 3V CSENS 2V 3V CSENS Last source returns CD and TAPE loading functions are available Keys except for ...

Page 90: ...MP 7 4 CLEANING Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 ...

Page 91: ...NT button CLOCK button DISPLAY button PAUSE button FUNCTION button OPEN button AUDIO button buttons SFEQ button BAND ESC button 1 6 buttons SOURCE button EQ button VOLUME buttons CD button TUNER button ATT button AUDIO button buttons FUNCTION button BAND button PAUSE button HEAD UNIT REMOTE CONTROL UNIT ...

Page 92: ...er Rear speaker Rear speaker Gray Gray black Violet Violet black White White black Green Green black Orange white To lightnig switch terminal Black ground To vehicle metal body With a 2 speaker system do not connect anything to the speaker leads that are not connected to speakers Yellow black If you use a cellular telephone connect it via the Audio Mute lead on the cellular telephone If not keep t...

Page 93: ... speaker Rear speaker Gray Gray black Violet Violet black White White black Green Green black Orange white To lightnig switch terminal Black ground To vehicle metal body With a 2 speaker system do not connect anything to the speaker leads that are not connected to speakers Yellow black If you use a cellular telephone connect it via the Audio Mute lead on the cellular telephone If not keep the Audi...

Page 94: ...kHz Mid 10 dB 100 Hz 6 5 dB 10 kHz High 11 dB 100 Hz 11 dB 10 kHz Volume 30 dB Tone controls Bass Frequency 40 63 100 160 Hz Gain 12 dB Treble Frequency 2 5 k 4 k 6 3 k 10 k Hz Gain 12 dB HPF Frequency 50 80 125 Hz Slope 12 dB oct Subwoofer Frequency 50 80 125 Hz Slope 18 dB oct Gain 12 dB Phase Normal Reverse CD player System Compact disc audio system Usable discs Compact disc Signal format Sampl...

Page 95: ...lume 30 dB Tone controls Bass Frequency 40 63 100 160 Hz Gain 12 dB Treble Frequency 2 5 k 4 k 6 3 k 10 k Hz Gain 12 dB HPF Frequency 50 80 125 Hz Slope 12 dB oct Subwoofer Frequency 50 80 125 Hz Slope 18 dB oct Gain 12 dB Phase Normal Reverse CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Frequen...

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