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Pioneer DEH-P90DAB Service Manual
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Pioneer DEH-P90DAB Service Manual

Multi-cd/md/dab control dsp high power cd player with rds tuner
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Service
Manual
MULTI-CD/MD/DAB CONTROL DSP HIGH POWER CD PLAYER WITH RDS TUNER
DEH-P90DAB
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-961
CRT2503
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
4. PCB CONNECTION DIAGRAM ................................40
5. ELECTRICAL PARTS LIST ........................................52
6. ADJUSTMENT..........................................................69
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
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 2000
DEH-P90DAB/EW
Mech. Module Remarks
H2
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.
7. GENERAL INFORMATION .......................................74
7.1 DIAGNOSIS ........................................................74
7.1.2
7.1.3 DISASSEMBLY .........................................80
7.1.4
7.2 IC ........................................................................87
8. OPERATIONS AND SPECIFICATIONS...................105
K-ZZA. OCT. 2000 Printed in Japan
ORDER NO.
CRT2556
EW,ES
......76
.......86

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  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE 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 2000 K-ZZA. OCT. 2000 Printed in Japan...
  • Page 2 DEH-P90DAB - Service Precautions 1. For pickup unit(CXX1305) handling, please refer to"Disassembly"(see page 80). During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a short pin). 2. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a con- nector is plugged or unplugged.

  • Page 3: Safety Information

    DEH-P90DAB 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

  • Page 4: Exploded Views And Parts List

    DEH-P90DAB 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING(DEH-P90DAB/EW) 15 15...
  • Page 5 DEH-P90DAB NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to ∇ mark on the product are used for disassembly. - PACKING SECTION PARTS LIST Mark No. Description Part No.
  • Page 6 DEH-P90DAB 2.2 PACKING(DEH-P90DAB/ES)
  • Page 7 DEH-P90DAB - PACKING SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Cord Assy CDE6249 20-2 Owner’s Manual CRD3263 2 Base Assy CEA2426 20-3 Installation Manual CRD3264 3 Base CNS5031 * 20-4 Caution Card CRP1207...
  • Page 8 DEH-P90DAB 2.3 EXTERIOR...
  • Page 9 DEH-P90DAB (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P060FMC 36 Cord Assy CDE6265 2 Screw BSZ26P160FMC 37 Clamper CEF1004 3 Screw BSZ30P050FMC 38 Terminal(CN452) CKF1059 4 Screw BSZ30P200FMC 39 Plug(CN901) CKM1278 5 Screw(M2x2.5)
  • Page 10 DEH-P90DAB Mark No. Description Part No. Mark No. Description Part No. 71 Cover 116 Button(OPEN) CAC6512 See Contrast table(2) 72 Chassis Unit CXB5323 117 Button(RESET) CAC6513 73 Panel Assy CXB5325 118 Button(BAND) CAC6515 74 Screw BMZ20P030FMC 119 Button(1-6) See Contrast table(2)
  • Page 11 DEH-P90DAB (2) CONTRAST TABLE DEH-P90DAB/EW and ES are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P90DAB/EW DEH-P90DAB/ES 6 Cord Assy CDE6248 Not used 7 Fuse(10A) CEK1136 Not used 8 Cap CKX-003 Not used...
  • Page 12 DEH-P90DAB 2.4 CD MECHANISM MODULE...
  • Page 13 DEH-P90DAB - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 CD Core Unit CWX2455 46 Holder CNV5944 2 Connector(CN101) CKS3785 47 Arm CNV5948 3 Connector(CN901) CKS4291 48 Cover CNV5950 4 Connector(CN701)
  • Page 14 DEH-P90DAB Mark No. Description Part No. 91 Damper CNV6426 92 Screw ISS20P060FMC 93 Screw(M2x3) CBA1511 94 Holder CNV6341 95 Roller CNV6389 96 Arm Unit CXB5970 97 Roller CNV6389 98 Arm Unit CXB5971 99 Load Motor Assy(-C)(M2) CXB6340 CXB6361 Carriage Motor Assy(-B)(M1)
  • Page 15 DEH-P90DAB...

  • Page 16: Block Diagram And Schematic Diagram

    DEH-P90DAB 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM MAIN UNIT FM/AM TUNER UNIT CN451 Q151 Q153 FM FRONT END FM/AM 1ST IF 10.7MHz Q155 Q154 T51 Q51 CF51 CF52 CF53 L-OUT IC 2 PM4008A Q501 34 33 DECODER...
  • Page 17 DEH-P90DAB SP641 CN971 ALARM Q971 BUZZER Q972 X2 15 tmute X601 fm/AM 12.58291MHz X1 16 SYSTEM SYSPW CONTROLLER Q911 Q973 IC 601 (1/2) PE5092A Q913 LDET BACKUP DALMON CN901 Q941 BUP2 Q942 GND3 Q932 SDBW ILL1 isens TUNPCE TUNPCK Q931...
  • Page 18 DEH-P90DAB 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”. MAIN UNIT CD CORE UNIT ASL UNIT Large size SCH diagram IP-BUS:+2.2dBs Guide page Detailed page DAB:+2.2dBs...
  • Page 19 DEH-P90DAB CD:+3.6dBs IP-BUS, DAB:+2.2dBs FM(100%):-16.5dBs(EW), -20.5dBs(ES) AM(30%):-27dBs(EW), -31dBs(ES) CD:+8.7dBs IP-BUS, DAB:+8.3dBs FM(100%):+4.6dBs(EW), +2.6dBs(ES) AM(30%):-3.9dBs(EW), -7.9dBs(ES) BACK UP CEK1136 1K(1/2W) B REMOTE TROLLER 1K(1/2W) MUTE A : DEH-P90DAB/EW B : DEH-P90DAB/ES BACK...
  • Page 20 DEH-P90DAB...
  • Page 21 DEH-P90DAB...
  • Page 22 DEH-P90DAB...
  • Page 23 DEH-P90DAB...
  • Page 24 DEH-P90DAB 3.3 FM/AM TUNER UNIT(DEH-P90DAB/EW) FM/AM TUNER UNIT Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 0dBµ 74dBµ A125 125dBµ...
  • Page 25 DEH-P90DAB...
  • Page 26 DEH-P90DAB 3.4 FM/AM TUNER UNIT(DEH-P90DAB/ES) FM/AM TUNER UNIT Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 0dBµ 74dBµ A125 125dBµ...
  • Page 27 DEH-P90DAB...

  • Page 28: Keyboard Unit

    DEH-P90DAB 3.5 KEYBOARD UNIT KEYBOARD UNIT DISP (ES) (EW) (ES) (EW) (ES) (EW) (ES) (EW) (EW) S1901,S1902,S1905,S1907-S1918,S1920-S1924 : CSG1113(EW), CSG1112(ES) S1903,S1904 : CSG1033 S1906 : CSG1043 S1919,S1925 : CSG1111 CN801...
  • Page 29 DEH-P90DAB OEL Module DATA ROM PD5555A KEY/OEL MODULE CONTROLLER REMOTE CONTROL SENSOR...
  • Page 30 DEH-P90DAB 3.6 DAB TUNER MODULE(1/2)
  • Page 31 DEH-P90DAB DAB TUNER MODULE MIXER...
  • Page 32 DEH-P90DAB 3.7 DAB TUNER MODULE(2/2) DAB TUNER MODULE DAB DECODER SYSTEM CONTROLLER...
  • Page 33 DEH-P90DAB...

  • Page 34: Cd Mechanism Module

    DEH-P90DAB 3.8 CD MECHANISM MODULE CD CORE UNIT PICKUP UNIT(SERVICE)(P8) RF AMP CARRIAGE MOTOR M1 CXB6361 SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE ACT/MOTOR DRIVER SWITCHES: CD CORE UNIT S901:LOADING SWITCH..ON-OFF S902, 903:LOADING SWITCH..ON-OFF S904:HOME SWITCH....ON-OFF...
  • Page 35 DEH-P90DAB SERVO CONTROL/DSP/DAC/LPF CN991 RIVER...
  • Page 36 DEH-P90DAB Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage VREF:2.1V - Waveforms 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 2 CH2:CDLOAD 5V/div. 2 CH2:CDLOAD 5V/div. 2 CH2:CDLOAD 5V/div. 500ms/div. 500ms/div. 500ms/div. 3 CH3:CDEJET...
  • Page 37 DEH-P90DAB 6 CH1:FEY 4 CH1:RFO 500mV/div. 0.5V/div. 0.5µs/div. 7 CH2:FD 500mV/div. 10ms/div. 4 CH3:RFO 1V/div. Play Setup(FE Bias adjustment) → VREF → → VREF VREF → VREF 9 CH1:SINY 100mV/div. 6 CH1:FEY & CH1:LOUT 500mV/div. 2V/div. 200ms/div. 200µs/div. 7 CH2:FD * CH2:ROUT 500mV/div.
  • Page 38 DEH-P90DAB 3.9 ASL UNIT ASL UNIT CN4501 MICROPHONE NJM4558MD FILTER 22/10 NJM4558MD...
  • Page 39 DEH-P90DAB...

  • Page 40: Pcb Connection Diagram

    DEH-P90DAB 4. PCB CONNECTION DIAGRAM CORD ASSY 4.1 MAIN 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 41 DEH-P90DAB SIDE A IC,Q ANTENNA FRONT CN4501 CN701 CN1901...
  • Page 42 DEH-P90DAB MAIN UNIT IC,Q...
  • Page 43 DEH-P90DAB SIDE B FRONT...
  • Page 44 DEH-P90DAB 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 45 DEH-P90DAB SIDE B...
  • Page 46 DEH-P90DAB 4.3 KEYBOARD UNIT SIDE A SIDE B >...
  • Page 47 DEH-P90DAB 4.4 ASL UNIT CN141 SIDE A ASL UNIT SIDE B ASL UNIT...
  • Page 48 DEH-P90DAB 4.5 DAB TUNER MODULE SIDE A DAB TUNER MODULE...
  • Page 49 DEH-P90DAB SIDE B DAB TUNER MODULE...
  • Page 50 DEH-P90DAB 4.6 CD MECHANISM MODULE SIDE A...
  • Page 51 DEH-P90DAB SIDE B...

  • Page 52: Electrical Parts List

    CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWM7037(DEH-P90DAB/EW) Transistor IMD2A Transistor 2SD2396 Unit Name : Main Unit Transistor DTC114EK Transistor 2SB1239...
  • Page 53 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Inductor CTF1420 RS1/16S101J Inductor CTF1420 RS1/10S471J Ferri-Inductor LAU101K RS1/16S103J Ferri-Inductor LAU2R2K RS1/10S102J Inductor LCTB4R7K2125 RS1/16S473J Inductor LCTA1R0J3225 RS1/16S103J Inductor...
  • Page 54 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S681J RS1/10S1R0J RS1/16S681J RS1/10S561J RS1/16S393J RS1/10S472J RS1/16S153J RS1/16S223J RS1/16S474J RS1/16S472J RS1/16S681J RS1/16S473J RS1/8S151J RS1/16S103J RS1/16S0R0J RS1/16S473J RS1/16S102J RS1/16S103J RS1/16S102J...
  • Page 55 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB473K16 CKSRYB223K25 CKSRYB473K16 CKSRYB472K50 CKSQYB105K16 CKSRYB472K50 CKSQYB105K16 CCSRCH100D50 CKSQYB105K16 CCSRCH101J50 CKSQYB105K16 CCSRCH101J50 CKSQYB105K16 CEAT221M16 CKSQYB105K16 CKSRYB104K16 CKSRYB333K16 CEJA220M6R3 CKSRYB123K25...
  • Page 56 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWM7038(DEH-P90DAB/ES) Diode HZS16(2) Diode ERA15-02VH Unit Name : Main Unit Diode MA153 Diode MA143 MISCELLANEOUS Diode...
  • Page 57 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S223J RS1/16S471J RS1/16S181J RS1/16S471J RS1/16S181J RS1/16S471J RS1/16S103J RS1/16S471J RS1/16S103J RS1/16S471J RS1/16S104J RS1/16S473J RS1/16S333J RS1/16S473J RS1/10S681J RS1/16S681J RS1/16S474J RS1/16S681J RS1/16S472J...
  • Page 58 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S102J CKSQYB105K10 RS1/16S222J CEALNP4R7M16 RS1/10S222J CEALNP4R7M16 RS1/10S561J CEALNP4R7M16 RS1/10S1R0J CEALNP4R7M16 RS1/8S472J CKSRYB473K16 RD1/4PU271J CKSRYB473K16 RS1/16S102J CKSRYB473K16 RS1/16S102J CKSRYB473K16 RS1/16S102J...
  • Page 59 CKSYB103K50 RS1/16S473J CKSRYB102K50 RS1/16S470J CEJA2R2M50 CKSYB105K16 RS1/16S470J RS1/16S103J CEJA220M16 RS1/16S103J CKSRYB473K16 RS1/16S331J CKSRYB102K50 RS1/16S331J CEJA101M10 RS1/16S560J Unit Number : CWE1500(DEH-P90DAB/EW) RS1/16S560J RS1/16S102J Unit Name : FM/AM Tuner Unit RS1/16S225J RS1/16S133J MISCELLANEOUS RS1/16S433J PML002A RS1/16S562J PM4008A RS1/16S333J BR9010FV RS1/16S103J Transistor 2SC4081...
  • Page 60 CKSQYB474K16 CKSRYB103K50 CKSYB475K10 CKSRYB104K16 CKSRYB223K25 CKSRYB104K16 CKSQYB225K10 CKSQYB224K16 CCSRCH150J50 CKSRYB223K25 CCSRCH120J50 CKSRYB104K16 CKSYB105K16 CEALNP100M10 CKSRYB103K50 CCSRCH151J50 Unit Number : CWE1501(DEH-P90DAB/ES) CKSRYB473K16 CKSRYB682K25 Unit Name : FM/AM Tuner Unit CEAL2R2M50 CKSRYB103K50 MISCELLANEOUS CKSQYB474K16 PML002A CKSQYB474K16 PM4008A CKSRYB104K16 BR9010FV CKSRYB104K16 Transistor 2SC4081...
  • Page 61 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S334J 3SK263 RS1/16S473J Transistor 2SC4081 RS1/16S472J 2SK932 RS1/16S225J Transistor DTC124EU RS1/16S102J Transistor 2SC4081 RS1/16S220J Diode KV1410(23) RS1/16S471J Diode 1SV248...
  • Page 62 1906 RA4C101J CCSRCH150J50 1907 RS1/16S473J CCSRCH120J50 1908 RA3C101J 1909 RA3C101J CKSYB105K16 1910 RA4C101J CKSRYB103K50 1911 RA4C101J Unit Number : CWM7249(DEH-P90DAB/EW) 1912 RA4C101J 1913 RA3C101J Unit Name : Keyboard Unit 1914 RA4C101J 1915 RA4C101J MISCELLANEOUS 1922 RS1/10S121J IC 1901 PD5555A 1923...
  • Page 63 1918 CKSRYB102K50 1913 RA3C101J 1919 CCSQCH221J50 1914 RA4C101J 1921 CKSQYB104K25 1915 RA4C101J 1922 CKSQYB104K25 1922 RS1/10S121J Unit Number : CWM7250(DEH-P90DAB/ES) 1923 RS1/10S2R2J Unit Name : Keyboard Unit 1924 RS1/8S222J 1925 RS1/8S222J MISCELLANEOUS 1930 RS1/16S222J IC 1901 PD5555A 1931 RS1/16S473J IC 1902...
  • Page 64 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 2101 Inductor LCYBR22J1608 1907 CSZS100M6R3 2102 Inductor CTF1533 1908 CKSRYB473K16 2103 Inductor LCMA47NJ1608 1911 CKSRYB473K16 2104 Inductor LCMA27NJ1608 1914...
  • Page 65 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 2113 RS1/16SS274J 2707 RS1/16SS102J 2114 RS1/16SS220J 2708 RS1/16SS102J 2115 RS1/16SS152J 2709 RS1/16SS102J 2116 RS1/16SS271J 2710 RS1/16SS103J 2117 RS1/16S473J 2711...
  • Page 66 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 2022 CKSSYB102K50 2226 CKSSYB103K16 2023 CSZS4R7M16 2227 CCSSCH101J50 2024 CCSSCH101J50 2228 CCSSCH100D50 2025 CKSSYB681K50 2229 CCSSCH100D50 2026 CCSSCH680J50 2230...
  • Page 67 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 2710 CSZSR100M16 RS1/16S473J 2711 CKSQYB225K10 RS1/16S683J 2712 CKSQYB225K10 RS1/16S104J 2713 CCSRCH102J50 RS1/16S473J 2714 CKSSYB104K10 RS1/16S331J 2715 CCSRCH102J50 RS1/16S103J 2716...
  • Page 68 DEH-P90DAB =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- CCSRCH471J50 CKSRYB223K25 CKSRYB103K50 CEVL101M10 10µF/10V CCH1349 CEVL101M6R3 CKSQYB334K16 CKSRYB103K50 CKSRYB103K50 Unit Number : CWM7039 Unit Name : ASL Unit MISCELLANEOUS IC 4501 NJM4558MD IC 4502 NJM4558MD 4501 Transistor 2SC2458...

  • Page 69: Adjustment

    DEH-P90DAB 6. ADJUSTMENT - Connection Diagram - Using the Extension Cable 1. The solder of the connector of the DAB tuner module is removed, and removes from a main unit. 2. The extension cable is connected as shown in the above figure.
  • Page 70 DEH-P90DAB 6.1 CD ADJUSTMENT 1) Precautions 2) Test Mode • 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 71 DEH-P90DAB - Flow Chart [4]+[6]+Reset [KEY] Test Mode In Contents Display [SOURCE] Source S-CD [BAND] RF AMP Power On Power On New Test Mode Gain switching (F. T. offset is adjusted) (F. T. offset is not adjusted) [BAND] Tracking Servo...

  • Page 72: Checking The Grating After Changing The Pickup Unit

    DEH-P90DAB 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 73 DEH-P90DAB Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 74: General Information

    DEH-P90DAB 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE(DAB TUNER MODULE) • Entering Test mode: Press the 4 and 6 keys simultaneously to reset the system. • Exiting Test mode: Set ACC to OFF. - Keys used in Test mode...
  • Page 75 DEH-P90DAB • Estimated error rate of FIC (1st column), (2nd column) (3rd column) E - (4th column) • DAB mode (5th column) : Not identified. 1-4 : Transmission mode (DAB transmission mode) • AFC detection (6th column) 0 : AFC is not synchronized.
  • Page 76 DEH-P90DAB 7.1.2 TEST MODE(CD MECHANISM MODULE) - CD Section Error No. Display If the CD player cannot operate or if it stops when an error occurred in operation, it enters the error mode and dis- plays the cause of the error in numerals. Accordingly, an object of this display is to assist in analysis and repair.
  • Page 77 DEH-P90DAB - CD Section Test Mode (Aging Operation and Setup Analysis) Play is performed in the CD normal mode. However, after setup, in the protection operation, such as FOK (focus), LOCK (spindle), subcodes. sound skip and mechanical-unit errors, the error occurrence and a timeout, the occur- rence cause and occurrence time are displayed.
  • Page 78 DEH-P90DAB (4) Operation status display during setup Status No. Description Protection operation CD + 5 V ON is being processed. None SERVO LSI is being initialized (1/3). None CRAM of servo LSI is being initialized. None SERVO LSI is being initialized (2/3).
  • Page 79 DEH-P90DAB Status No. Description Protection operation Tracking AGC start processing. Focus slips off. Tracking AGC processing. Focus slips off. Focus/Tracking AGC processing. Focus slips off, AGC coefficient NG. FE bias adjustment start processing. Focus slips off. FE bias adjustment. Focus slips off.

  • Page 80: Test Mode(Cd Mechanism Module)

    DEH-P90DAB 7.1.3 DISASSEMBLY Removing the Case Unit (Fig.1) Case Unit Remove the two screws and then remove the Case Unit. Fig.1 Removing the CD Mechanism Module (Fig.2) Remove the four screws. Disconnect the connector and then remove the CD Mechanism Module.
  • Page 81 DEH-P90DAB Holder Removing the Main Unit Remove the three screws. (Fig.4) Insert the tips of a pair of pliers or something like that into the slits, and remove the Holder while pushing it with the tips. Fig.4 Slit Straighten the tabs at six locations indicated.
  • Page 82 DEH-P90DAB Assembly Fig.6 Fig.7...
  • Page 83 DEH-P90DAB The numeral enclosed by a circle in the drawing indi- cates the order of removal. - How to hold the mechanism unit 1. Hold the top frame and main frame. 2. Do not hold the front of the top frame tightly because its strength is low.
  • Page 84 DEH-P90DAB - How to remove the loading arm assy and spin- dle motor Spindle Loading Arm Assy Motor 1. Remove the E ring of the left fulcrum and remove the spring and loading arm assy. 2. Remove the connector of the spindle motor and remove the mounting screws (3).
  • Page 85 DEH-P90DAB - How to remove the carriage motor assy Core Unit 1. Remove the solder of the carriage motor lead wire. 2. Remove the grease cover screw and remove the grease cover. Grease Cover 3. After having removed the lead wire processing of the motor, remove the mounting screw of the carriage motor assy.

  • Page 86: Connector Function Description

    DEH-P90DAB 7.1.4 CONNECTOR FUNCTION DESCRIPTION 1. BACKUP 2. GND 3. ILM 4. B.REM 5. ACC 6. NC 7. NC 8. MUTE 9. RL- 10. FL- 11. RL+ 12. FL+ 13. RR- 1. BUS1 14. FR- 2. SHIELD 15. RR+ 3. SHIELD 16.
  • Page 87 DEH-P90DAB 7.2 IC PD8062A PD5565A U2730B-BFS ADS933Y-1 TC7WT125FU U2739M-A NJM2115V TA2150FN S-81250SGQD TC9495FP PCM1716E-5 BA5811FM TC7WH74FU PQ3RF23 TC55V8512FTI-15 S-80834ANUP-EDY PD8072A PE5092A U2731B-MFN PD5555A PD8062A A0-A19 :Address input D0-D15 :Data output byte :8/16 bit mode select :Chip enable input :Output enable input...
  • Page 88 DEH-P90DAB - Pin Functions (U2730B-BFS) Pin No. Pin Name Function and Operation Not used Control input VCC1 Supply voltage VREF Reference pin of VCO TANK Tank pin of VCO Ground VCC2 Supply voltage Test output of main divider Test output of reference divider...
  • Page 89 DEH-P90DAB U2730B-BFS RF COUNTER TEST INTERFACE LOCK DETECTOR REFERENCE COUNTER THREE STATE PROG. PHASE CHARGE PUMP DETECTOR INTERNAL SUPPLY VOLTAGE FOR THE SYNTHESIZER CONTROL INTERFACE VOLTAGE STABILIZER *TC7WT125FU S-81250SGQD NJM2115V IC's marked by* are MOS type. Be careful in handling them because they are very...
  • Page 90 DEH-P90DAB PCM1716E-5 LRCK ML/IIS DATA MC/DM1 MD/DM0 CLKO MUTE MODE CS/IWO DGND ZERO AGND2R AGND2L EXTR EXTL POWER AGND1 SUPPLY *TC7WH74FU...
  • Page 91 DEH-P90DAB *TC55V8512FTI-15 *PD8072A A0-A18 :Address input A0-A18 :Address input :Output enable input :Output buffer control :Chip enable input input D0-D7 :Data output :Chip enable input :Write enable input I/O1-I/O8 :Data input/output I/O1 I/O8 I/O2 I/O7 I/O6 I/O3 I/O5 I/O4 28 A10...
  • Page 92 DEH-P90DAB - Pin Functions (U2731B-MFN) Pin No. Pin Name Function and Operation Clock input(I C bus) Data input(I C bus) Switching output(open collector) Switching output(open collector) FREF Reference frequency output(for U2730B-BFS) Switching output(open collector) Output of D/A converter A Output of D/A converter B...
  • Page 93 DEH-P90DAB - Pin Functions (PD5565A) Pin No. Pin Name Function and Operation dacrst DAC reset output Not used DACMD DAC control data output MCMTRG2 U2739M-A MCM_TRIGGER input DACMC DAC control clock output BYTE External data bus width select input CNVSS...
  • Page 94 DEH-P90DAB Pin No. Pin Name Function and Operation 87-91 NC38-NC42 Not used IFAGC IF AGC voltage input ANTSENS Antenna terminal short detect input AVSS A/D converter power supply NC43 Not used VREF A/D converter reference voltage input AVCC A/D converter power supply...
  • Page 95 DEH-P90DAB - Pin Functions (ADS933Y-1) Pin No. Pin Name Function and Operation 1–5 D0–D4 Data bit output Not used 8–12 D5–D9 Data bit output 13–15 Not used DVSS Digital Ground 17–21 Not used Clock input Output enable input Chip enable input...
  • Page 96 DEH-P90DAB - Pin Functions (U2739M-A) Pin No. Pin Name Function and Operation ADC_CLK ADC sampling clock output 8.192 MHz ADC_DATA9 ADC data input, bit 9 (MSB) ADC_DATA8 ADC data input, bit 8 ADC_DATA7 ADC data input, bit 7 ADC_DATA6 ADC data input, bit 6...
  • Page 97 DEH-P90DAB Pin No. Pin Name Function and Operation RDI_RX RDI receive data RDI_TX RDl transmit data DVSS3 Digital ground SFCO_SID SFCO sub-channel lD SFCO_ERR SFCO error flag SFCO_DAT SFCO data SFCO_CLK SFCO clock SFCO_WIN SFCO window DVDD2 Digital power supply...
  • Page 98 DEH-P90DAB - Pin Functions (TA2150FN) Pin No. Pin Name Function and Operation Power supply voltage terminal RFGC RF amplitude adjustment control signal terminal GMAD AGC amplifier frequency characteristic adjustment terminal Main beam amplifier input terminal Main beam amplifier input terminal...
  • Page 99 DEH-P90DAB - Pin Functions (TC9495FP) Pin No. Pin Name Function and Operation TESTO Test mode terminal Replay speed flag output terminal UHSO Replay speed flag output terminal EMPH Emphasis flag output terminal for sub code Q data LRCK Channel clock (44.1 kHz) output terminal...
  • Page 100 DEH-P90DAB Pin No. Pin Name Function and Operation FLGA External flag output terminal for internal signal monitor FLGB External flag output terminal for internal signal monitor FLGC External flag output terminal for internal signal monitor FLGD External flag output terminal for internal signal monitor...
  • Page 101 DEH-P90DAB BA5811FM CB1~ POWVCC34 MUTE (CH3,CH4) LEVEL SHIFT LEVEL SHIFT LOADING PRE LEVEL FWD REV SHIFT LEVEL SHIFT PREVCC POWVCC12 POWER SAVE (PRE,LOADING) (CH1,CH2) 10K10K PQ3RF23 *S-80834ANUP-EDY CONTROL...
  • Page 102 DEH-P90DAB *PE5092A - Pin Functions (PE5092A) Pin No. Pin Name Function and Operation ILMPW Illumination output FLPILM Flap illumination output ROMDATA ROM correction data output ROMCK ROM correction clock output ROMCS ROM correction chip select output OELPW OEL power supply output...
  • Page 103 DEH-P90DAB Pin No. Pin Name Function and Operation RDS : Data input rdslk RDS : LK input drst RDS : Reset output fm•am TUNER : Decoder power supply control output CDMUTE H2 : CD Mute control output MUTE SYSTEM : Mute output...
  • Page 104 DEH-P90DAB - Pin Functions (PD5555A) 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 Chip enable XOUT Crystal oscillating element connection pin...

  • Page 105: Operations And Specifications

    DEH-P90DAB 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Head Unit DISPLAY button FUNCTION button RESET button EJECT button 5/∞/2/3 buttons ENTERTAINMENT button EQ selector BAND button Buttons 1–6 +/– button TEXT button PTY button AUDIO button SOURCE/OFF button TA button Steering Remote Controller A steering remote controller that enables remote operation of the head unit is supplied.
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  • Page 114 DEH-P90DAB Connecting the Units(DEH-P90DAB/EW) Connecting to a Sold Separately Power Amp This product can be connected to a sold separately power amp using the RCA output jacks. Connecting cords with RCA pin plugs (sold separately) Front output Power amp (sold separately)
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  • Page 117: Specifications

    DEH-P90DAB 8.2 SPECIFICATIONS - DEH-P90DAB/EW 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 ........11.5 A Signal format ....
  • Page 118 DEH-P90DAB - DEH-P90DAB/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 ........11.5 A Signal format ....Sampling frequency: 44.1 kHz Dimensions Number of quantization bits: 16;...

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