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Pioneer DEH-P77DHX1M Service Manual
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Pioneer DEH-P77DHX1M Service Manual

Multi-cd control high power cd player with fm/am tuner
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Service
Manual
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P77DH
DEH-P47DH
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-958
CRT2423
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
4. PCB CONNECTION DIAGRAM ................................28
5. ELECTRICAL PARTS LIST ........................................38
6. ADJUSTMENT..........................................................47
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-P77DH/X1M/UC
Mech. Module
Remarks
S8.1
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.
X1M/UC
7. GENERAL INFORMATION .......................................51
7.1 DIAGNOSIS ........................................................51
7.1.1 TEST MODE ..............................................51
7.1.2 DISASSEMBLY .........................................54
7.2 PARTS .................................................................59
7.2.1 IC................................................................59
7.2.2 DISPLAY ....................................................65
7.3 OPERATIONAL FLOW CHART ...........................66
8. OPERATIONS AND SPECIFICATIONS.....................67
ORDER NO.
CRT2455
X1M/UC
K-ZZA. FEB. 2000 Printed in Japan

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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 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-ZZA. FEB. 2000 Printed in Japan...

  • Page 2: Safety Information

    DEH-P77DH,P47DH - 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 54). nector is plugged or unplugged. During replacement, handling precautions shall be 3.
  • Page 3 DEH-P77DH,P47DH 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. (1) PACKING SECTION PARTS LIST Mark No. Description Part No.
  • Page 4 DEH-P77DH,P47DH (2) CONTRAST TABLE DEH-P77DH/X1M/UC and DEH-P47DH/X1M/UC are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P77DH/X1M/UC DEH-P47DH/X1M/UC 1-2 Owner’s Manual CRD3176 CRD3178 1-3 Installation Manual CRD3177 CRD3179 6 Battery CEX1030 Not used 7 Carton CHG4025 CHG4026 8 Contain Box...
  • Page 5 DEH-P77DH,P47DH 2.2 EXTERIOR...
  • Page 6 DEH-P77DH,P47DH (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P060FMC 51 Button(SEEK) See Contrast table(2) 2 Screw BSZ26P080FMC 52 Button(1-6) See Contrast table(2) 3 Screw BSZ30P050FMC 53 Button(EJECT) See Contrast table(2) 4 Screw BSZ30P200FMC 54 Spring...
  • Page 7 DEH-P77DH,P47DH (2) CONTRAST TABLE DEH-P77DH/X1M/UC and DEH-P47DH/X1M/UC are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P77DH/X1M/UC DEH-P47DH/X1M/UC 5 Cord Assy CDE6214 Not used 6 Cord Assy CDE6215 Not used 15 Cap CNV2680 Not used 16 Tuner Amp Unit CWM6894 CWM6895...
  • Page 8 DEH-P77DH,P47DH 2.3 CD MECHANISM MODULE...
  • Page 9 DEH-P77DH,P47DH - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Control Unit CWX2411 46 ••••• 2 Connector(CN802) CKS2192 47 Ball CNR1189 3 Connector(CN801) CKS2193 48 Belt CNT1086 4 Connector(CN701) CKS2773 49 Roller CNV4509 5 Connector(CN101) CKS3486...

  • Page 10: Block Diagram And Schematic Diagram

    DEH-P77DH,P47DH 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM(DEH-P77DH/X1M/UC) TUNER AMP UNIT FM/AM TUNER UNIT FM MPX FM FRONT END FM/AM 1ST IF 10.7MHz CN502 Q51 CF51 CF52 CF53 DI/DO IC 2 PM4008A 34 33 41 44 11 12 MIXER,IF AMP DET IC 1 PML002A...
  • Page 11 DEH-P77DH,P47DH RESET IC 631 S-80734AN Q952 Q959 CN951 BACK UP Q601 DALMON adpw (VDD) SYSTEM MICON Q953 bsens IC 601(1/2) PE5106B asens Q958 isens Q851 dled CN952 Q853 DRSW DOOR SW DRSYS ALARM ALAM Q852 IC 851 ALARM DRSENS TPD1018F TUNPCE DRELAY tunpck...
  • Page 12 DEH-P77DH,P47DH 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”. TUNER AMP UNIT FM(100%):-20.5dBs IP-BUS:2.2dBs AM(30%):-31dBs IP-BUS:2.2dBs S-CD:4.4dBs FM(100%):-19.5dBs AM(30%):-30dBs CN411 Large size SCH diagram Guide page Detailed page CN502...
  • Page 13 DEH-P77DH,P47DH FM(100%):4.6dBs AM(30%):-5.9dBs IP-BUS:10.3dBs S-CD:10.5dBs DEH-P77DH/X1M/UC DEH-P77DH/X1M/UC CN431 82(P77DH) HN1C03F(P77DH) 820(P47DH) IMH3A(P47DH) DEH-P77DH/X1M/UC DEH-P77DH /X1M/UC 10K(P77DH) 0R0(P47DH) DEH-P47DH/X1M/UC DEH-P47DH/X1M/UC 82(P77DH) 10K(P77DH) 820(P47DH) 0R0(P47DH) CN433 DEH-P77DH/X1M/UC DEH-P77DH/X1M/UC FM(100%):4.6dBs AM(30%):-5.9dBs FM(100%):3.84dBs IP-BUS:10.3dBs AM(30%):-6.36dBs S-CD:10.5dBs IP-BUS:9.54dBs S-CD:9.74dBs FM(100%):30.6dBs AM(30%):20.1dBs IP-BUS:36.3dBs S-CD:36.5dBs CN951 DEH-P77DH/X1M/UC CEK1136 CN952 DEH-P77DH/X1M/UC...
  • Page 14 DEH-P77DH,P47DH...
  • Page 15 DEH-P77DH,P47DH...
  • Page 16 DEH-P77DH,P47DH...
  • Page 17 DEH-P77DH,P47DH...
  • Page 18 DEH-P77DH,P47DH 3.3 FM/AM TUNER UNIT FM/AM TUNER UNIT Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 0dBµ 74dBµ A125 125dBµ...
  • Page 19 DEH-P77DH,P47DH...
  • Page 20 DEH-P77DH,P47DH 3.4 KEYBOARD UNIT KEYBOARD UNIT DEH-P77DH/X1M/UC...
  • Page 21 DEH-P77DH,P47DH CN901...

  • Page 22: Cd Mechanism Module

    DEH-P77DH,P47DH 3.5 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT (SERVICE)(P8) CN101 RF-AMP, SE PHOTO UNIT(S8) CN802 Q1 CPT230SX-TU Q2 CPT230SX-TU SPINDLE MOTOR M3 CXB2562 CARRIAGE MOTOR M1 CXB2190 LOADING MOTOR CD DRIVER M2 CXB2195 CN801 BA05SFP 5V REGULATOR...
  • Page 23 DEH-P77DH,P47DH SWITCHES: CONTROL UNIT S801 : HOME SWITCH..ON-OFF S802 : CLAMP SWITCH..ON-OFF The underlined indicates the switch position. MP, SERVO, DSP, DAC, LPF 16.934MHz CN701...
  • Page 24 DEH-P77DH,P47DH 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 25 DEH-P77DH,P47DH 8 CH1: TE 8 CH1: TE 0 MD 0.2V/div. 0.5V/div. 0.1s/div. 0.5V/div. 20ms/div. 5ms/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 → REFO →...
  • Page 26 DEH-P77DH,P47DH ( 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 9 CH2: TD 3 CH2: FD 1V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB) Normal mode: During AGC Normal mode: During AGC →...
  • Page 27 DEH-P77DH,P47DH...

  • Page 28: Pcb Connection Diagram

    DEH-P77DH,P47DH 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS TUNER AMP UNIT 1. The parts mounted on this PCB CORD ASSY include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
  • Page 29 DEH-P77DH,P47DH SIDE A IP BUS IN CN701...
  • Page 30 DEH-P77DH,P47DH TUNER AMP UNIT...
  • Page 31 DEH-P77DH,P47DH SIDE B...
  • Page 32 DEH-P77DH,P47DH 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 33 DEH-P77DH,P47DH SIDE B...
  • Page 34 DEH-P77DH,P47DH 4.3 KEYBOARD UNIT SIDE A...
  • Page 35 DEH-P77DH,P47DH SIDE B...
  • Page 36 DEH-P77DH,P47DH 4.4 CD MECHANISM MODULE SIDE A...
  • Page 37 DEH-P77DH,P47DH SIDE B...

  • Page 38: Electrical Parts List

    DEH-P77DH,P47DH 5. ELECTRICAL PARTS LIST NOTES: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No.
  • Page 39 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S820J RD1/4PU473J RS1/10S820J RS1/10S473J RS1/10S820J RS1/10S222J RS1/10S331J RD1/4PU222J RS1/10S331J RD1/4PU222J RS1/10S331J RD1/4PU473J RS1/10S331J RD1/4PU473J RS1/10S331J RD1/4PU473J RS1/10S331J RS1/10S104J RS1/10S103J RS1/10S333J RS1/10S103J RS1/10S223J...
  • Page 40 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RD1/4PU223J CEJANP4R7M16 RS1/10S103J CEJANP4R7M16 RD1/4PU102J CKSQYB473K50 RD1/4PU102J CKSQYB473K50 RD1/4PU153J CKSQYB473K50 RD1/4PU472J CKSQYB473K50 RS1/10S472J CKSQYB153K50 RD1/4PU102J CKSQYB333K50 RD1/4PU102J CKSQYB123K50 RS1/10S101J CKSQYB473K50 RS1/10S622J CKSQYB153K50...
  • Page 41 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB473K50 Diode 1SR139-400 1500µF/16V CCH1312 Diode HZS9L(B1) CKSQYB473K50 Inductor LAU3R3J CEJA101M10 Ferri-Inductor LAU4R7K CKSQYB473K50 Inductor CTF1399 CEJA101M16 Inductor CTF1399 CKSQYB103K50 Inductor LAU100K...
  • Page 42 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S103J RS1/10S0R0J RD1/4PU681J RS1/8S0R0J RS1/10S472J RS1/8S0R0J RS1/10S473J RS1/10S473J RS1/10S272J RS1/10S473J RS1/10S272J RS1/10S473J RS1/10S162J RS1/10S473J RS1/10S162J RD1/4PU102J RS1/10S473J RD1/4PU153J RS1/8S681J RD1/4PU472J RS1/10S473J RS1/10S472J...
  • Page 43 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB153K50 CL170FGCD CKSQYB103K50 CL170FGCD CKSYB223K50 CL170FGCD CKSQYB223K50 CL170FGCD CKSYB102K50 CL220FGCD CEJA220M16 CL220FGCD CCSQCH101K50 CL170UBX CKSQYB472K50 Inductor LCTA101J3225 CKSQYB473K50 Radiator 5.00MHz CSS1423 CEJA101M6R3 Push Switch...
  • Page 44 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB104K50 RS1/16S331J CKSQYB104K50 RS1/16S560J CKSQYB104K50 RS1/16S560J CKSQYB104K50 RS1/16S102J RS1/16S225J Unit Number : CWE1501 RS1/16S133J Unit Name : FM/AM Tuner Unit RS1/16S433J RS1/16S333J MISCELLANEOUS...
  • Page 45 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEALR68M50 Unit Number : CWX2411 CKSRYB103K50 Unit Name : Control Unit CKSQYB474K16 CKSQYB474K16 MISCELLANEOUS CKSRYB104K16 UPD63711GC CKSRYB104K16 BA5985FM CKSRYB104K16 BA05SFP CKSRYB123K25 Transistor...
  • Page 46 DEH-P77DH,P47DH =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- CCSRCH510J50 CKSRYB682K25 CEV220M6R3 CKSRYB103K25 CKSRYB224K10 CEV101M10 CCSQSL152J50 CCSQSL152J50 10µF/10V CCH1349 CKSQYB334K16 Unit Number : Unit Name : Photo Unit(S8) Photo-transistor CPT230SX-TU Photo-transistor CPT230SX-TU Miscellaneous Parts List Pickup Unit(Service)(P8) CXX1285 Motor Unit(CARRIAGE) CXB2190 Motor Unit(LOADING)

  • Page 47: Adjustment

    DEH-P77DH,P47DH 6. ADJUSTMENT 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. connected to REFO(approx.
  • Page 48 DEH-P77DH,P47DH - Flow Chart Test Mode In Reset SOURCE Select 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 Display Power OFF BAND...

  • Page 49: Checking The Grating After Changing The Pickup Unit

    DEH-P77DH,P47DH 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 50 DEH-P77DH,P47DH Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 51: General Information

    DEH-P77DH,P47DH 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 52 DEH-P77DH,P47DH - 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. These displays and functions are prepared for enhancing aging in the servicing and efficiency of trouble analysis.
  • Page 53 DEH-P77DH,P47DH (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. None Offset adjustment (1/3) in progress.

  • Page 54: Disassembly

    DEH-P77DH,P47DH (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 55 DEH-P77DH,P47DH Removing the CD Mechanism Module (Fig.2) Remove the four screws. Disconnect the connector and then remove the CD Mechanism Module (not shown). CD Mechanism Module Fig.2 Chassis Unit Removing the Panel Assy and the Chassis Unit (Fig.3) Remove the three screws. Disconnect the two stoppers and then remove the Panel Assy (not shown).
  • Page 56 DEH-P77DH,P47DH - 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. - Removing the Carriage Mechanism Carriage Mechanism Section 1.
  • Page 57 DEH-P77DH,P47DH - 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 58 DEH-P77DH,P47DH - Removing the Loading Motor and Carriage Motor Guide 1. Remove the Spring and two Screws A. 2. Dismount the Loading Motor. 3. Remove the Belt, a Screw B, two Screws C, a Guide Screw Unit Carriage Motor and a Screw Unit. 4.

  • Page 59: Parts

    DEH-P77DH,P47DH 7.2 PARTS 7.2.1 IC - Pin Functions (UPD63711GC) Pin No. Pin Name Function and Operation D.GND Logic circuit GND RFOK RFOK signal output Reset signal input Command/parameter identification signal input Data strobe signal input Clock signal input for serial data input/output Serial data and status signal output Serial data input xtalen...
  • Page 60 DEH-P77DH,P47DH Pin No. Pin Name Function and Operation TSTB CD-TEXT parameter strobe signal input D.GND Logic circuit GND TEST0 Test pin TEST1 Test pin ATEST Test pin A.GND Analog circuit GND Focus drive output Tracking drive output Sled drive output Spindle drive output DAC0 DAC output for adjustment...
  • Page 61 DEH-P77DH,P47DH PA2028A S-81250SGUP PML004AF...
  • Page 62 DEH-P77DH,P47DH - Pin Functions (PE5106B) Pin No. Pin Name Function and Operation swvdd Keyboard unit power supply control output dsens Grille detach sense input Not used TESTIN Test program mode input Not used TELIN Telephone mute input 8-10 Not used reset Reset input Not used (open)
  • Page 63 DEH-P77DH,P47DH Pin No. Pin Name Function and Operation Clock adjustment output MIRR CD mirror detection input clamp CD disc clamp input xsck CD LSI clock output CD LSI data input CD LSI data output CD LSI command / data control output xrst CD LSI reset control output xstb...
  • Page 64 DEH-P77DH,P47DH - Pin Functions (PD6279A) Pin No. Pin Name Function and Operation 1–42 SEG41–0 LCD segment output 43–46 COM3–0 LCD common output 47–49 V1–V3 LCD bias power supply Power supply terminal LED control output System micro computer UART communication data output System micro computer UART communication data input 54,55 MOD0,1...

  • Page 65: Display

    DEH-P77DH,P47DH 7.2.2 DISPLAY - CAW1565...

  • Page 66: Operational Flow Chart

    DEH-P77DH,P47DH 7.3 OPERATIONAL FLOW CHART Power ON VDD=5V 19pin bsens 93pin BSENS=L asens 92pin ASENS=L dsens 2pin DSENS=L ADPW←H 22pin ASENB0←H 25pin Starts communication with Grille microcomputer. 300ms SWVDD←H 1pin 300ms In case of the above signal, the communication Source keys with Grille microcomputer may fail.

  • Page 67: Operations And Specifications

    DEH-P77DH,P47DH 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Head Unit SOURCE/OFF button Disc loading slot EQ selector EJECT button CLOCK button VOLUME PROGR button FUNCTION button DISPLAY button AUDIO button BAND button Buttons 1–6 5/∞/2/3 buttons DETACH button Remote Controller (DEH-P77DH/X1M/UC) A remote controller that enables remote operation of the head unit is supplied.
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  • Page 74: Specifications

    DEH-P77DH,P47DH 8.2 SPECIFICATIONS - DEH-P77DH/X1M/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 75 DEH-P77DH,P47DH - DEH-P47DH/X1M/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 quantizatin bits: 16;...

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