Pioneer DEH-P4500R, Service Manual

Page 1: ...Road 04 01 Singapore 159936 C PIONEER CORPORATION 2002 K ZZA NOV 2002 Printed in Japan ORDER NO CRT2985 MULTI CD CONTROL HIGH POWER CD PLAYER WITH RDS TUNER DEH P4500RXM EW XN EW Service Manual DEH P4500R XM EW This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3026 CRT2944 S10 CD Mech Module Circuit Description Mech Description Disasse...

Page 2: ...NER AMP UNIT 13 X601 11 EVST EVCK EVD TUN L BUS L BUS L CD L 33 DPDT 34 KYDT 1 SYSPW EJTIN 42 41 ILMPW S DSENS 39 dsens A 5 8 1 7 CN101 11 BUZZER 20 15 11 17 16 14 21 IC 101 HA12187FP IP BUS DRIVER 1 2 8 6 5 TX RX IPPW BU Q101 Q102 RDS_C RDS_L RDS_D RDS_H CDLOEJ 23 CONT 56 DSCSNS 87 xtalen 66 TUN 3 3V SYS 8 4V VDD 32 VDCONT CLMP TC7SET08FU IC 653 2 4 XSI 4 6 80 VDSENS VDSENS ANTENNA 92 LVLINL LEVE...

Page 3: ...802 DSENS SYSTEM CONTROLLER Q951 VDD TELIN 8 25 B REMOTE FL FL RL RL VDD REGULATOR BACKUP SENSE ACC SENSE TELEPHONE MUTE SYS 8 4V REGULATOR 14 8 6 5 7 16 9 11 14 8 6 5 7 16 9 11 15 15 B C CN901 Q982 BU CN352 BACK UP GND RR RR FR FR FL FL RL RL ACC GND BACK UP B REM FUSE 10A ACC TELMUTE B REM ldet SL tunce TUNPCE1 TUNPDI TUNPDO 17 95 69 70 98 99 TUNPCK 100 ce CE1 Q402 Q401 RDS_CK RDS_LOCK 45 rdslk ...

Page 4: ... UNIT S10 CN701 FM AM TUNER UNIT EJECT SW 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST 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 A a ...

Page 5: ...diagrams their resistance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V A TUNER AMP UNIT RR RR FR FR FL FL RL RL ACC GND ILM BACK UP DSENS SW The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to...

Page 6: ...16 1 2 3 4 1 2 3 4 F E D C B A DEH P4500R XM EW A a A b A a A a A b 1 2 SYSTEM CONTROLLER FM AM TUNER UNIT ...

Page 7: ...17 5 6 7 8 F E D C B A 5 6 7 8 DEH P4500R XM EW A a A b A a A b A a B 3 4 5 6 C KEYBOARD UNIT B PANEL UNIT D CD CORE UNIT S10 CN701 EJECT SW ...

Page 8: ...2 600µH YSTEM CONTROLLER FRONT R CH FRONT L CH SUB WOOFER R CH SUB WOOFER L CH A TUNER AMP UNIT 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 ...

Page 9: ... B REM TEL RR RR FR FR For resistors and capacitors in the circuit diagrams their resistance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V RR RR FR FR FL FL RL RL ACC GND ILM BACK UP DSENS SW ...

Page 10: ...20 1 2 3 4 1 2 3 4 F E D C B A DEH P4500R XM EW C CL 195PG CD CL 195PG CD CL 195PG CD CL 195PG CD 3 3 KEYBOARD UNIT ...

Page 11: ...21 5 6 7 8 F E D C B A 5 6 7 8 DEH P4500R XM EW C 151 PG CD PG CD PG CD PG CD CL 195PG CD CL 195PG CD CL 195PG CD CL 195PG CD 151 C KEYBOARD UNIT B CN1951 ...

Page 12: ...P4500R XM EW D M1 CXB6007 M2 CXB8933 LOADING CARRIAGE MOTOR SPINDLE MOTOR MOTOR DRIVER 3 3V REGULATOR Pickup Unit Service P10 F T F T F T T F F F T T F T S C F F T T S S C C S S C C T T F F F F T T 1 7 8 3 6 5 9 0 3 4 CD MECHANISM MODULE ...

Page 13: ...P SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position RF AMP SERVO DSP DAC LPF D CD CORE UNIT S10 A CN F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE S C T F S C 3 5 4 2 9 CN651 ...

Page 14: ...v Spindle waveform during Play Ref REFO Mode Normal RFAGC 500mV div 0 5µs div Ref REFO Mode Normal MDX 5 SIN 500mV div 1V div 5µs div Spindle waveform during Play Magnified RF eye pattern Ref REFO Mode Normal 8 FIN FE 500mV div 500mV div 200ms div Focus Search Ref REFO Mode TEST RFAGC 0 TE 7 TIN 1V div 500mV div 500mV div 500µs div Ref REFO Mode TEST 0 TE RFAGC 500mV div 500mV div 2ms div When Tra...

Page 15: ... AGND Mode Normal 1 DSCSNS 2 CLCONT 3 LOEJ 5V div 5V div 5V div 200ms div Ref GND Mode Normal 1 DSCSNS 2 CLCONT 3 LOEJ 5V div 5V div 5V div 200ms div When Eject 12cm CD When Eject 8cm CD Ref GND Mode Normal RFAGC 0 TE 6 CIN 5 SIN 1V div 1V div 500mV div 2V div 500µs div When reproducing scratch 1mm During inside outside search outer circumference inner circumference Ref REFO Mode Normal RFAGC 0 TE...

Page 16: ...uter 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 Turned over disc are found though rarely CD signal error 1...

Page 17: ...ove the CD Mechanism Module Removing the Grille Assy Fig 1 2 Remove the two screws and then remove the Grille Assy 1 1 2 2 CD Mechanism Module Grille Assy 1 2 2 2 3 3 3 4 Tuner Amp Unit 2 Remove the three screws 3 Straight the tabs at three locations indicated 4 Remove the screw and then remove the Tuner Amp Unit 1 1 5 6 7 8 F E D C B A 5 6 7 8 DEH P4500R XM EW 7 GENERAL INFORMATION 7 1 DIAGNOSIS ...

Page 18: ...ect the disc Caution Before installing the carriage mechanism in the frames be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode Do not squeeze Lower Frame Damper Carriage Mechanism A C A B B Damper Damper C A A A Upper Frame Removing the Pickup Unit 1 Set the mechanism to the clamp mode 2 Remove the lead wires from the inner holder 3 Remove the two washers styling ...

Page 19: ...ENNA JACK FRONT OUTPUT SUBWOOFER OUTPUT NON FADING OUTPUT 1 BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 BUS L INPUT 8 ASENB 9 BUS R INPUT 10 BUS R INPUT 11 BUS L INPUT 10A 2 16 4 6 8 10 12 14 1 15 3 5 7 9 11 13 11 10 9 8 7 6 5 4 3 2 1 F SW 5 6 7 8 F E D C B A 5 6 7 8 DEH P4500R XM EW 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 20: ...ected with a power supply of micro computer 14 DO O data out Data output 15 DGND digital ground Ground of digital block 16 NC non connection Not used 17 VDD_3 3 power supply The power supply for digital block 3 3V 0 2V 18 RDS_CK O RDS clock Output of RDS clock 2 5V 19 RDS_DATA O RDS data Output of RDS data 2 5V 20 RDS_LOCK O RDS lock Output unit High active 2 5V RDS_LOCK turns over by the external...