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Pioneer DEH-P920R Service Manual
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Pioneer DEH-P920R Service Manual

Multi-cd/dab control dsp high power cd player with rds tuner; multi-cd/md/dab control high power cd player with rds tuner; multi-cd control dsp high power cd player with fm/am tuner
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Table of Contents

Service
Manual
MULTI-CD/DAB CONTROL DSP HIGH POWER CD PLAYER WITH RDS TUNER
DEH-P920R
MULTI-CD/MD/DAB CONTROL HIGH POWER CD PLAYER WITH RDS TUNER
DEH-P9200R
MULTI-CD CONTROL DSP HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P9250
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-916
CRT2300
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
4. PCB CONNECTION DIAGRAM ................................46
5. ELECTRICAL PARTS LIST ........................................58
6. ADJUSTMENT..........................................................74
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER EUROPE N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
DEH-P920R/UC
Mech. Module Remarks
S8
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
UC
ES
7. GENERAL INFORMATION .......................................78
7.1 DIAGNOSIS ........................................................78
7.1.1 TEST MODE ..............................................78
7.1.2 DISASSEMBLY .........................................82
7.2 IC ........................................................................87
8. OPERATIONS AND SPECIFICATIONS...................101
ORDER NO.
CRT2486
UC
K-ZZD. FEB. 2000 Printed in Japan

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Summary of Contents for Pioneer DEH-P920R

  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2000 K-ZZD. FEB. 2000 Printed in Japan...

  • Page 2: Safety Information

    DEH-P920R,P9200R,P9250 - CD Player Service Precautions 2. During disassembly, be sure to turn the power off 1. For pickup unit(CXX1285) handling, please refer since an internal IC might be destroyed when a con- to"Disassembly"(see page 82). nector is plugged or unplugged.

  • Page 3: Exploded Views And Parts List

    DEH-P920R,P9200R,P9250 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING...
  • Page 4 DEH-P920R,P9200R,P9250 NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - PACKING SECTION PARTS LIST Part No.
  • Page 5 DEH-P920R,P9200R,P9250 2.2 EXTERIOR(DEH-P920R/UC, DEH-P9250/ES)
  • Page 6 DEH-P920R,P9200R,P9250 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P060FMC 46 Connector(CN681) CKS3597 2 Screw BSZ30P050FMC 47 Connector(CN351) CKS3606 3 Cord CDE5536 48 Connector(CN252) CKS3781 4 Cord Assy CDE5840 49 Mini Pin Jack(CN451)
  • Page 7 CNS5032 138 Cord Assy See Contrast table(2) 114 Detach Grille Assy See Contrast table(2) 115 Screw BPZ20P080FZK (2) CONTRAST TABLE DEH-P920R/UC and DEH-P9250/ES are constructed same except for the following: Part No. Mark No. Description DEH-P920R/UC DEH-P9250/ES Cord Assy CDE5843...
  • Page 8 DEH-P920R,P9200R,P9250 2.3 EXTERIOR(DEH-P9200R/UC)
  • Page 9 DEH-P920R,P9200R,P9250 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P060FMC 46 ••••• 2 Screw BSZ30P050FMC 47 Connector(CN351) CKS3606 3 ••••• 48 ••••• 4 Cord Assy CDE5840 49 Mini Pin Jack(CN451) CKX1046...
  • Page 10 DEH-P920R,P9200R,P9250 Mark No. Description Part No. 91 Rack CNV5697 92 Gear CNV5698 93 Gear CNV5761 94 Torque Limiter Unit CNV5762 95 Holder CNV5763 96 Switch(S951) CSN1012 97 Switch(S952) CSN1022 98 Arm Unit CXB3574 99 Frame Unit CXB3575 100 Holder Unit...
  • Page 11 DEH-P920R,P9200R,P9250...
  • Page 12 DEH-P920R,P9200R,P9250 2.4 CD MECHANISM MODULE...
  • Page 13 87 Connector(CN702) See Contrast table(2) 43 Spacer CNM3315 44 Sheet CNM6170 45 Cushion CNM6204 (2) CONTRAST TABLE DEH-P920R/UC, DEH-P9200R/UC and DEH-P9250/ES are constructed same except for the following: Part No. DEH-P920R/UC Mark No. Description DEH-P9250/ES DEH-P9200R/UC Control Unit CWX2359 CWX2358...

  • Page 14: Block Diagram And Schematic Diagram

    DEH-P920R,P9200R,P9250 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM(DEH-P920R/UC, DEH-P9250/ES) TUNER AMP UNIT ASL UNIT ASL A MIC4501 Q4501 VR4501 IC 45 NJM2 FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz FM FRONT END FM MPX T51 Q51 CF51 CF52 CF53...
  • Page 15 DEH-P920R,P9200R,P9250 DSP UNIT ASL AMP ASL FILTER CN141 X3101 IC 4501 IC 4502 NOISE BUFFER NJM2068 NJM2068 IC 3203(1/2) HD74HCT126FP CN252 CN3001 DOUT CN3001 CN252 SDIN IC 3301 SCKO BITCLK NJM4580M AOUTL1 LRCK BUFFER LRCLK IC 3203(2/2) IC 3101 FREQUENCY CONVERSION...
  • Page 16 DEH-P920R,P9200R,P9250 3.2 BLOCK DIAGRAM(DEH-P9200R/UC) TUNER AMP UNIT FM/AM TUNER UNIT FM FRONT END FM/AM 1ST IF 10.7MHz FM MPX T51 Q51 CF51 CF52 CF53 CN451 GND2 Q501 IC 2 PM4008A 34 33 41 44 11 DECODER fm/AM FM/AM IC 501 COMP MIXER.IF AMP DET...
  • Page 17 DEH-P920R,P9200R,P9250 LLER Q911 Q913 BACKUP BACKUP POWER AMP RL– LECTRICAL VOLUME/ LEVEL L RL– OURCE SELECTOR IC 301 PAL005A FL– IC 203 FL– PML004AF PREL MUTE STBY B.REM B.REM B.REM Q932 Q301 MUTE LEVEL DET. Q931 IC 231 asens LEVEL L...
  • Page 18 DEH-P920R,P9200R,P9250 3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(DEH-P920R/UC,P9250/ES) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. CD MECHANISM CD,TUNER,IP-BUS SIGNAL TUNER SIGNAL MODULE IP-BUS SIGNAL CN701 Large size IP-BUS SCH diagram CD(DIGITAL) SIGNAL IP-BUS:+2.2dBs...
  • Page 19 DEH-P920R,P9200R,P9250 ASL UNIT CN4501 TUNER AMP UNIT IP-BUS:+4.3dBs FM(100%):-0.4dBs CN702 AM(30%):-10.9dBs DEH-P9250/ES CN3001 DEH-P920R/UC PRE OUT PRE OUT E-VOL CD:+8.18dBs CD:+18.68dBs RESET CEK1136 (DEH-P920R/UC) (DEH-P9250/ES) BACK UP SYSTEM CONTROLLER 1K(1/2W) B REMOTE 1K(1/2W) 0.5A BUZZER ALARM CEK1014 DOOR SW CELLULAR MUTE...
  • Page 20 DEH-P920R,P9200R,P9250 A-a G...
  • Page 21 DEH-P920R,P9200R,P9250 A-a F...
  • Page 22 DEH-P920R,P9200R,P9250...
  • Page 23 DEH-P920R,P9200R,P9250...
  • Page 24 DEH-P920R,P9200R,P9250 3.4 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(DEH-P9200R/UC) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. CD MECHANISM CD,TUNER,IP-BUS SIGNAL TUNER SIGNAL MODULE IP-BUS SIGNAL CN701 IP-BUS CD SIGNAL IP-BUS:+2.2dBs Large size...

  • Page 25: Tuner Amp Unit

    DEH-P920R,P9200R,P9250 TUNER AMP UNIT PRE OUT PRE OUT E-VOL R659 0R0 CD:+7.8dBs BMUTE CD:+18.3dBs +1.7dBs US:+2.2dBs 100%):-20.5dBs 30%):-31dBs RESET PD5487C CEK1136 BACK UP SYSTEM CONTROLLER 1K(1/2W) B REMOTE 1K(1/2W) 0.5A BUZZER ALARM CEK1014 DOOR SW CELLULAR MUTE VDD 5V REGULATOR CD:+33.8dBs...
  • Page 26 DEH-P8000R,P8050 DEH-P920R,P9200R,P9250...
  • Page 27 DEH-P920R,P9200R,P9250 A-a D...
  • Page 28 DEH-P920R,P9200R,P9250...
  • Page 29 DEH-P920R,P9200R,P9250...
  • Page 30 DEH-P920R,P9200R,P9250 3.5 FM/AM TUNER UNIT FM/AM TUNER UNIT Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 0dBµ 74dBµ A125 125dBµ...
  • Page 31 DEH-P920R,P9200R,P9250...

  • Page 32: Keyboard Unit

    DEH-P920R,P9200R,P9250 3.6 KEYBOARD UNIT DISP CLOCK CL155DPGD S1901,S1902,S1905,S1907-S1918,S1920-S1924 : CSG1112 S1903,S1904 : CSG1033 S1906 : CSG1043 S1919,S1925 : CSG1111 CN801...
  • Page 33 DEH-P920R,P9200R,P9250 OEL Module KEYBOARD UNIT DATA ROM KEY/OEL MODULE CONTROLLER REMOTE CONTROL SENSOR...
  • Page 34 DEH-P920R,P9200R,P9250 3.7 DSP UNIT(DEH-P920R/UC, DEH-P9250/ES) FREQUENCY CONVERSION BUFFER DSP, DAC...
  • Page 35 DEH-P920R,P9200R,P9250 DSP UNIT CD,TUNER,IP-BUS SIGNAL TUNER SIGNAL IP-BUS SIGNAL CD(DIGITAL) SIGNAL CN252 DSP CONTROLLER...
  • Page 36 DEH-P920R,P9200R,P9250 3.8 ASL UNIT(DEH-P920R/UC, DEH-P9250/ES) ASL UNIT MICROPHONE FILTER...
  • Page 37 DEH-P920R,P9200R,P9250...
  • Page 38 DEH-P920R,P9200R,P9250 3.9 CD MECHANISM MODULE(DEH-P920R/UC, DEH-P9250/ES) CONTROL UNIT PICKUP UNIT(SERVICE) RF-AM CN101 SWITCHES: CONTROL UNIT S801 : HOME SWITCH..ON-OFF S802 : CLAMP SWITCH..ON-OFF The underlined indicates the switch position. CD DRIVER PHOTO UNIT Q1 CPT230SX-TU Q2 CPT230SX-TU CN802 SPINDLE MOTOR...
  • Page 39 DEH-P920R,P9200R,P9250 BIT LENGTH EXPANSION RF-AMP,SERVO,DSP,DAC CN702 SINGLE-CD CONTROLLER...
  • Page 40 DEH-P920R,P9200R,P9250 3.10 CD MECHANISM MODULE(DEH-P9200R/UC) CONTROL UNIT PICKUP UNIT(SERVICE) RF-AM CN101 SWITCHES: CONTROL UNIT S801 : HOME SWITCH..ON-OFF S802 : CLAMP SWITCH..ON-OFF The underlined indicates the switch position. CD DRIVER PHOTO UNIT Q1 CPT230SX-TU Q2 CPT230SX-TU CN802 SPINDLE MOTOR M3 CXB2562...
  • Page 41 DEH-P920R,P9200R,P9250 RF-AMP,SERVO,DSP,DAC SINGLE-CD CONTROLLER...
  • Page 42 DEH-P920R,P9200R,P9250 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFO:2.5V - Waveforms 1 RFI 1 CH1: RFI 1 CH1: RFI 0.5V/div. 0.5µs/div. 1V/div. 1V/div. 0.5ms/div. 0.5ms/div. 2 CH2: MIRR 2 CH2: MIRR Normal mode: play 5V/div.
  • Page 43 DEH-P920R,P9200R,P9250 8 CH1: TE 8 CH1: TE 0 MD 0.2V/div. 0.5V/div. 0.5V/div. 0.1s/div. 5ms/div. 20ms/div. 9 CH2: TD ! CH2: SD 0.2V/div. 0.5V/div. Normal mode: play TEST mode: 100 Tracks jump(FWD) Normal mode: Play (12cm) → REFO → REFO →...
  • Page 44 DEH-P920R,P9200R,P9250 ( CH1: R OUT 6 CH1: FE 8 CH1: TE 1V/div. 0.2V/div. 0.2V/div. 0.2ms/div. 1ms/div. 1ms/div. ) CH2: L OUT 3 CH2: FD 9 CH2: TD 1V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB) Normal mode: During AGC Normal mode: During AGC (DEH-P9200R/UC) →...
  • Page 45 DEH-P920R,P9200R,P9250...

  • Page 46: Pcb Connection Diagram

    DEH-P920R,P9200R,P9250 CORD ASSY 4. PCB CONNECTION DIAGRAM CORD ASSY MAIN ANTENNA 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.
  • Page 47 DEH-P920R,P9200R,P9250 SIDE A CORD ASSY CN1901...
  • Page 48 DEH-P920R,P9200R,P9250 TUNER AMP UNIT...
  • Page 49 DEH-P920R,P9200R,P9250 SIDE B...
  • Page 50 DEH-P920R,P9200R,P9250 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 51 DEH-P920R,P9200R,P9250 SIDE B...
  • Page 52 DEH-P920R,P9200R,P9250 4.3 KEYBOARD UNIT SIDE B SIDE A >...
  • Page 53 DEH-P920R,P9200R,P9250 4.4 DSP UNIT(DEH-P920R/UC, DEH-P9250/ES) DSP UNIT SIDE A DSP UNIT SIDE B...
  • Page 54 DEH-P920R,P9200R,P9250 4.5 ASL UNIT(DEH-P920R/UC, DEH-P9250/ES) ASL UNIT CN141 SIDE A ASL UNIT SIDE B...
  • Page 55 DEH-P920R,P9200R,P9250 4.6 SWITCH PCB SWITCH PCB BLUE WHITE CN851 4.7 MIC JACK PCB(DEH-P920R/UC, DEH-P9250/ES) MIC JACK PCB CN131...
  • Page 56 DEH-P920R,P9200R,P9250 4.8 CD MECHANISM MODULE SIDE A...
  • Page 57 DEH-P920R,P9200R,P9250 SIDE B...

  • Page 58: Electrical Parts List

    CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWM6214(DEH-P920R/UC) Transistor DTC114EK Transistor 2SB1243 Unit Name : Tuner Amp Unit Transistor DTC124EK Transistor 2SA1162...
  • Page 59 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Ferri-Inductor LAU2R2K RS1/10S820J Ferri-Inductor LAU1R0M RS1/10S820J Ferri-Inductor LAU101K RS1/10S820J Ferri-Inductor LAU2R2K RS1/10S820J Inductor LCTB4R7K2125 RS1/10S820J Inductor CTF1420 RS1/16S223J Inductor...
  • Page 60 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S221J RS1/10S103J RS1/16S473J RS1/10S473J RS1/16S221J RS1/10S103J RS1/16S682J RS1/10S103J RS1/16S473J RS1/10S472J RS1/16S473J RS1/4S221J RS1/16S473J RS1/4S221J RS1/16S473J RS1/8S153J RS1/10S0R0J RS1/10S472J RS1/10S102J...
  • Page 61 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEJA100M16 CCSQCH101J50 CEJA100M16 CCSQCH150J50 CKSQYB104K16 CCSQCH220J50 CKSQYB104K16 CKSYB225K16 CEJA100M16 CKSQYB473K50 CEJA100M16 CKSQYB473K50 CKSQYB103K50 CKSQYB103K50 CKSQYB103K50 CKSQYB103K50 CKSQYB103K50 CKSQYB103K50 CKSYB475K10...
  • Page 62 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Transistor 2SA1162 Diode ERA15-02VH Transistor DTC124EK Diode ERA15-02VH Transistor IMD2A Diode ERA15-02VH Transistor DTC124EK Diode MA152WK Transistor DTC124EK Diode...
  • Page 63 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S820J RS1/16S473J RS1/10S820J RS1/16S473J RS1/10S820J RS1/16S221J RS1/10S820J RS1/16S682J RS1/10S820J RS1/16S221J RS1/10S820J RS1/16S473J RS1/16S223J RS1/16S221J RS1/16S223J RS1/16S682J RS1/16S223J RS1/16S473J RS1/16S223J...
  • Page 64 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S103J CKSQYB104K25 RS1/10S473J CCSQCH470J50 RS1/10S103J CCSQCH470J50 RS1/10S103J CKSQYB152K50 RS1/10S472J CKSQYB152K50 RS1/4S221J CKSYB475K10 RS1/4S221J CEJA4R7M35 RS1/8S153J CEJA101M16 RS1/10S472J CEJA100M16 RS1/10S472J...
  • Page 65 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB473K16 Transistor DTC114EK CKSYB475K10 Transistor 2SA1162 CKSQYB104K16 Transistor DTC124EK CEJA470M10 Transistor 2SC2412K CKSQYB103K50 Transistor 2SC2412K CEJA470M10 Transistor 2SC2412K CKSQYB103K50...
  • Page 66 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Diode HZS9L(B1) RD1/4PU911J ZNR 451 DSPS-201M-S00B RS1/10S103J Inductor LAU3R3K RS1/10S103J Inductor CTF1420 RS1/10S103J Ferri-Inductor LAU2R2K RS1/10S331J Ferri-Inductor LAU1R0M RS1/10S820J...
  • Page 67 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S103J RS1/16S682J RS1/10S473J RS1/16S221J RS1/10S103J RS1/16S473J RS1/10S103J RS1/16S221J RS1/10S472J RS1/16S682J RS1/4S221J RS1/16S473J RS1/4S221J RS1/16S473J RS1/8S153J RS1/16S473J RS1/10S472J RS1/16S473J RS1/10S472J...
  • Page 68 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEJA470M10 CEJA100M16 CKSQYB103K50 CEJA100M16 CKSQYB102K50 CKSQYB104K16 CKSYB221K50 CKSQYB104K16 CKSYB103K50 CEJA100M16 CKSYB475K10 CEJA100M16 CKSYB225K16 CKSQYB103K50 CCSCH101J50 CKSQYB103K50 CKSQYB103K50 CKSQYB103K50 CKSQYB105K10...
  • Page 69 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Inductor LCTBR47K1608 CCSRCH8R0D50 Inductor LCTBR47K1608 CCSRCJ3R0C50 Coil CTE1132 CKSRYB103K50 Ceramic Filter CTF1442 CKSRYB222K50 Ceramic Filter CTF1442 CKSRYB222K50 Ceramic Filter...
  • Page 70 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB103K50 RESISTORS CCSRTH100D50 CCSRTH150J50 1901 RS1/16S154J CCSRTH100D50 1902 RS1/16S473J CKSRYB332K50 1903 RA4C101J 1904 RA3C101J CKSQYB474K16 1905 RA3C101J CKSRYB223K25 CKSRYB682K25...
  • Page 71 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWX2323(DEH-P920R/ES, 3109 RS1/16S102J 3110 RS1/16S0R0J DEH-P9250/ES) 3201 RS1/16S332J Unit Name : DSP Unit 3202 RS1/16S391J 3203...
  • Page 72 RS1/16S0R0J CAPACITORS Unit Number : Unit Name : Switch PCB CCSRCH102J25 CKSQYB104K16 Switch(CLOSE) CSN1012 CEV101M6R3 Switch(OPEN) CSN1022 CEV470M6R3 CKSQYB334K16 Unit Number : CWX2359(DEH-P920R/UC, DEH-P9250/ES) CKSQYB334K16 Unit Name : Control Unit CKSQYB334K16 CKSQYB104K16 CEV101M6R3 MISCELLANEOUS CKSQYB104K16 UPD63710GC CKSRYB332K50 BA5985FM CKSQYB104K16 PD0236AM...
  • Page 73 DEH-P920R,P9200R,P9250 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWX2358(DEH-P9200R/UC) CAPACITORS Unit Name : Control Unit CCSRCH102J25 CKSQYB104K16 MISCELLANEOUS CEV101M6R3 CEV470M6R3 UPD63710GC CKSQYB334K16 BA5985FM AK4321VF...

  • Page 74: Adjustment

    DEH-P920R,P9200R,P9250 6. ADJUSTMENT 6.1 CD ADJUSTMENT 2) Test Mode 1) Precautions • This unit uses a single power supply (+5V) for the reg- This mode is used for adjusting the CD mechanism ulator. The signal reference potential, therefore, is module of the device.
  • Page 75 DEH-P920R,P9200R,P9250 - Flow Chart Test Mode In Reset SOURCE Sourse CD New test mode BAND Power ON (Adjustment for T.Offset) Power ON RF AMP Gain Select (Not adjustment for T.Offset) 00 00 00 Display 99 99 99 GG GG GG...

  • Page 76: Checking The Grating After Changing The Pickup Unit

    DEH-P920R,P9200R,P9250 6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT • Note : The grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mecha- nism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted PU unit for the CD mechanism module.
  • Page 77 DEH-P920R,P9200R,P9250 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 78: General Information

    DEH-P920R,P9200R,P9250 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - Error Messages If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of the error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from the users and also for facilitating trouble analysis and repair work in servicing.
  • Page 79 DEH-P920R,P9200R,P9250 - New Test Mode S-CD plays the same way as before. If an error such as off focus, spindle unlocking, unreadable sub-code, or sound skipping occurs after setup, its cause and time occurred (in absolute time) are displayed. During setup, operational status of the control software (internal RAM: CPOINT) is displayed.
  • Page 80 DEH-P920R,P9200R,P9250 (4) Display of Operational Status (CPOINT) during Setup Status No. Contents Protective action CD+5V ON process in progress. None Servo LSI initialization (1/3) in progress. None Servo LSI CRAM initialization in progress. None Servo LSI initialization (2/3) in progress.
  • Page 81 DEH-P920R,P9200R,P9250 (5) Display Examples 1) During Setup (When status no. = 11) TRK No. MIN. SEC. 11" 2) During Operation (TOC read, TRK search, Play, FF and REV) The same as in the normal mode. 3) When a Protection Error Occurred Switch to the following displays (A) and (B) using the [BAND] switch: (A) Error occurrence timing display in absolute time.

  • Page 82: Disassembly

    1. Remove the two screws, and then remove the Case. - Remove the CD Mechanism Module 1. Remove the four screws A. 2. Disconnect the connector A.(DEH-P920R/UC, DEH-P9250/ES) 3. Disconnect the connectors B, and then remove the CD Mechanism Module.
  • Page 83 2. Remove the screw B. 3. Stretch the four tabs, and then remove the Tuner Amp Unit. Holder Tuner Amp Unit - Remove the DSP Unit(DEH-P920R/UC, Case DEH-P9250/ES) DSP Unit 1. Remove the three solder of tabs indicated by arrows, and then remove the Case.
  • Page 84 DEH-P920R,P9200R,P9250 - Removing the Upper Frame 1. Remove six Springs A, two Springs B and four Upper Frame Screws. 2. Remove two Tabs situated on rear side of the Upper Frame, remove two Arms on the front side, then remove two Tabs on the front side.
  • Page 85 DEH-P920R,P9200R,P9250 - Removing the Guide Arm Assy 1. Remove a connector, a spring A and B Guide Arm Assy Section 2. Drive the Guide Arm Assy up aslant into rear side direction, then remove it from a Pin. Finally, drive the assembly approximately 45 degrees upward, then slide the assembly toward left side to remove it.
  • Page 86 DEH-P920R,P9200R,P9250 - Removing the Loading Motor and Carriage Motor 1. Remove the Spring and two Screws A. Guide 2. Dismount the Loading Motor. 3. Remove the Belt, a Screw B, two Screws C, a Guide Screw Unit and a Screw Unit.
  • Page 87 DEH-P920R,P9200R,P9250 7.2 IC PML004AF PD5471A TC9246F PA2028A PD8051A HD74HCT126FP S-81250SGUP PD5504A NJM4580M PD5483C, PD5484C AK7714 PD0236AM PD5487C TC74HC393AF PE5011C PML004AF...
  • Page 88 DEH-P920R,P9200R,P9250 PA2028A S-81250SGUP...
  • Page 89 DEH-P920R,P9200R,P9250 *PD5483C, PD5484C IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. - Pin Functions (PD5483C, PD5484C) Pin No. Pin Name Function and Operation TUNPDO PLL data output...
  • Page 90 DEH-P920R,P9200R,P9250 Pin No. Pin Name Function and Operation Not used FLPILM Inside of flap illumination output ILMPW Illumination power supply control output SWVDD Display chip select output OELPW OEL module power supply control output DSENS Grille detach sense input FM stereo input SD input 50–61...
  • Page 91 DEH-P920R,P9200R,P9250 *PD5487C - Pin Functions (PD5487C) Pin No. Pin Name Function and Operation TUNPDO PLL data output TUNPCK PLL clock output TUNPCE PLL chip enable output TUNPCE2 PLL chip enable output 2 MOSENS Motion/window damage sensor input DLSENS Door lock sense input...
  • Page 92 DEH-P920R,P9200R,P9250 Pin No. Pin Name Function and Operation Not used FLPILM Inside of flap illumination output ILMPW Illumination power supply control output SWVDD Display chip select output OELPW OEL module power supply control output DSENS Grille detach sense input FM stereo input SD input 50–61...
  • Page 93 DEH-P920R,P9200R,P9250 - Pin Functions (PD5471A) Pin No. Pin Name Format Function and Operation 1–4 Not used Remote control reception BYTE External data BUS width select input CNVSS Processor mode select input Not used reset Reset input XOUT Crystal oscillating element connection pin...
  • Page 94 DEH-P920R,P9200R,P9250 PD8051A A0-A19 :Address input D0-D15 :Data output byte :8/16 bit mode select :Chip enable input :Output enable input :Power supply :GND byte D15/A1 *PD5504A...
  • Page 95 DEH-P920R,P9200R,P9250 - Pin Functions (PD5504A) Pin No. Pin Name Format Function and Operation VSS joint Not used Electronic volume strobe output Electronic volume data output Electronic volume clock output CNVSS VSS joint MCKRQ CD unit MCK request input EMPHIN CD unit emphasis data input...
  • Page 96 DEH-P920R,P9200R,P9250 - Pin Functions (AK7714) Pin No. Pin Name Function and Operation Not used 3–6 TEST Test terminal 1-4 Power supply (5v) Not used DVDD Digital VDD (5V) 10,11 DVSS Digital GND (0V) SDINA DSP serial data input Not used...
  • Page 97 DEH-P920R,P9200R,P9250 Pin No. Pin Name Function and Operation AOUTL2 DAC2 Lch analog output 75,76 Not used AOUTR1 DAC1 Rch analog output AOUTL1 DAC1 Lch analog output Not used Power supply (5V) Not used VRDAL DAC reference voltage input AVSS Analog GND (0V)
  • Page 98 DEH-P920R,P9200R,P9250 TC74HC393AF TC9246F LOCK 1CLR 2CLR VDDA AMPI AMPO VSSA Selector HD74HCT126FP NJM4580M A OUT B OUT A-IN B-IN- A+IN B+IN...
  • Page 99 DEH-P920R,P9200R,P9250 PD0236AM - Pin Functions (PD0236AM) Pin No. Pin Name Function and Operation BCSEL Bit clock fs select DASEL Bit expand select Not used LRSEL LRCKO polarity select LRCKO LRCKO output Not used BCKO Bit clock output DATAO Data output...
  • Page 100 DEH-P920R,P9200R,P9250 Pin No. Pin Name Format Function and Operation MIRR Specular surface detection input LOCK Spindle lock input CD5VON CD +5V power supply control output 32, 33 Not used Open EMPH Emphasis information output 35-44 Not used Open Power supply(+5V)

  • Page 101: Operations And Specifications

    DEH-P920R,P9200R,P9250 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Head Unit(DEH-P920R/UC,DEH-P9200R/UC) DISPLAY button FUNCTION button RESET button EJECT button 5/∞/2/3 buttons ENTERTAINMENT button EQ selector BAND button Buttons 1–6 +/– button PGM button PTY button AUDIO button SOURCE/OFF button RT button Remote Controller A remote controller that enables remote operation of the head unit is supplied.
  • Page 102 DEH-P920R,P9200R,P9250 Head Unit(DEH-P9250/ES) DISPLAY button FUNCTION button RESET button EJECT button 5/∞/2/3 buttons ENTERTAINMENT button EQ selector BAND button Buttons 1–6 +/– button PGM button CLOCK button AUDIO button SOURCE/OFF button LOUD button Remote Controller A remote controller that enables remote operation of the head unit is supplied.
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  • Page 109: Specifications

    DEH-P920R,P9200R,P9250 8.2 SPECIFICATIONS - DEH-P920R/UC General CD player Power source ..14.4 V DC (10.8 – 15.1 V allowable) System ........Compact disc audio system Grounding system ........Negative type Usable discs ..........Compact disc Max. current consumption ........10.0 A Signal format ....
  • Page 110 DEH-P920R,P9200R,P9250 - DEH-P9200R/UC General CD player Power source ..14.4 V DC (10.8 – 15.1 V allowable) System ........Compact disc audio system Grounding system ........Negative type Usable discs ..........Compact disc Max. current consumption ........10.0 A Signal format ....Sampling frequency: 44.1 kHz Dimensions Number of quantization bits: 16;...
  • Page 111 DEH-P920R,P9200R,P9250 - DEH-P9250/ES General CD player Power source ..14.4 V DC (10.8 – 15.1 V allowable) System ........Compact disc audio system Grounding system ........Negative type Usable discs ..........Compact disc Max. current consumption ........10.0 A Signal format ....Sampling frequency: 44.1 kHz Dimensions Number of quantization bits: 20;...

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Deh-p9200rDeh-p9250Deh-p9250r

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