Pioneer DEH-P2000 Service Manual
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Pioneer DEH-P2000 Service Manual

Multi-cd control high power cd player with fm/am tuner
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Table Of Contents
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Service
Manual
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P2000
DEH-P20
DEH-P2050
- See the separate manual CX-916(CRT2300) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S8 series.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................28
5. ELECTRICAL PARTS LIST ........................................38
6. ADJUSTMENT..........................................................45
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1998
DEH-P2000/X1N/UC
1
X
N/UC
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
1
X
N/ES,ES
7. GENERAL INFORMATION .......................................49
7.1 PARTS .................................................................49
7.1.1 IC................................................................49
7.1.2 DISPLAY ....................................................56
7.2 DIAGNOSIS ........................................................57
7.2.1 DISASSEMBLY .........................................57
7.2.2 TEST MODE ..............................................58
7.3 BLOCK DIAGRAM ..............................................62
8. OPERATIONS AND SPECIFICATIONS.....................63
K-ZZD. DEC. 1998 Printed in Japan
ORDER NO.
CRT2311
1
X
N/UC
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Summary of Contents for Pioneer DEH-P2000

  • Page 1 PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER ELECTRONIC CORPORATION 1998 K-ZZD. DEC. 1998 Printed in Japan...

  • Page 2: Safety Information

    DEH-P2000,P20,P2050 - 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"(CX-916 Service Manual CRT2300). nector is plugged or unplugged.
  • Page 3 13 ••••• 14 Carton See Contrast table(2) 15 Contain Box See Contrast table(2) (2) CONTRAST TABLE DEH-P2000/X1N/UC, DEH-P20/X1N/UC, DEH-P2050/X1N/ES and DEH-P2050/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-P2000/X1N/UC DEH-P20/X1N/UC DEH-P2050/X1N/ES DEH-P2050/ES...

  • Page 4: Exterior Section Parts List

    DEH-P2000,P20,P2050 2.2 EXTERIOR - DEH-P2000/X1N/UC...
  • Page 5 DEH-P2000,P20,P2050 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ26P120FMC 51 Bracket CNC6791 2 Screw BSZ26P060FMC 52 Holder CNC8042 3 Screw BSZ30P060FMC 53 Cover CNM6276 4 Screw BSZ30P120FMC 54 Panel CNS5355...
  • Page 6 DEH-P2000,P20,P2050 - DEH-P20/X1N/UC...
  • Page 7 DEH-P2000,P20,P2050 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ26P120FMC 51 Bracket CNC6791 2 Screw BSZ26P060FMC 52 Holder CNC8042 3 Screw BSZ30P060FMC 53 Cover CNM6276 4 Screw BSZ30P120FMC 54 Panel CNS5355...
  • Page 8 DEH-P2000,P20,P2050 - DEH-P2050/X1N/ES, DEH-P2050/ES...
  • Page 9 DEH-P2000,P20,P2050 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ26P120FMC 49 Spring CBH1996 2 Screw BSZ26P060FMC 50 Spring CBH2208 3 Screw BSZ30P060FMC 51 Bracket CNC6791 4 Screw BSZ30P120FMC 52 Holder CNC8042...
  • Page 10 DEH-P2000,P20,P2050 2.3 CD MECHANISM MODULE...
  • Page 11 DEH-P2000,P20,P2050 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Control Unit CWX2344 46 Sheet CNM6215 2 Connector(CN802) CKS2192 47 Ball CNR1189 3 Connector(CN801) CKS2193 48 Belt CNT1086 4 Connector(CN701) CKS2773...

  • Page 12: Schematic Diagram

    DEH-P2000,P20,P2050 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. Large size SCH diagram IP BUS IN 4.3V 4.3V 4.3V 4.3V Guide page IP BUS 4.3V...
  • Page 13 DEH-P2000,P20,P2050 4.3V 4.3V 4.3V 4.3V URCE SELECTOR, ECTRONIC VOLUME RESET CEK1136 R612 R613 DEH-P2000/X1N/UC DELETED DEH-P20/X1N/UC DEH-P2050/X1N/ES 100K DEH-P2050/ES...
  • Page 14 DEH-P2000,P20,P2050...
  • Page 15 DEH-P2000,P20,P2050...
  • Page 16 DEH-P2000,P20,P2050...
  • Page 17 DEH-P2000,P20,P2050...
  • Page 18 DEH-P2000,P20,P2050 3.2 FM/AM TUNER UNIT Voltage of IC Terminals Mark Band Input Level None – – 0dBf 65dBf F125 125dBf 74dB A125 125dB...
  • Page 19 DEH-P2000,P20,P2050...

  • Page 20: Keyboard Unit

    DEH-P2000,P20,P2050 3.3 KEYBOARD UNIT KEYBOARD UNIT IL1801-1805 DEH-P2000/X1N/UC CEL1549 DEH-P2050/X1N/ES DEH-P20/X1N/UC CEL1508 CLOCK...
  • Page 21 DEH-P2000,P20,P2050 CAW1500 PD6294A...
  • Page 22 DEH-P2000,P20,P2050 3.4 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT(SERVICE) PHOTO UNIT...
  • Page 23 DEH-P2000,P20,P2050 SWITCHES: CONTROL UNIT S801 : HOME SWITCH..ON-OFF S802 : CLAMP SWITCH..ON-OFF The underlined indicates the switch position.
  • Page 24 DEH-P2000,P20,P2050 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-P2000,P20,P2050 8 CH1: TE 8 CH1: TE 0 MD 0.2V/div. 0.5V/div. 0.5V/div. 0.1s/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 REFO REFO...
  • Page 26 DEH-P2000,P20,P2050 ( 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-P2000,P20,P2050...

  • Page 28: Pcb Connection Diagram

    DEH-P2000,P20,P2050 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS TUNER AMP UNIT 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 29 DEH-P2000,P20,P2050 SIDE A IP BUS IN SUB WOOFER/ REAR PREOUT L ch R ch CN1801...
  • Page 30 DEH-P2000,P20,P2050 TUNER AMP UNIT...
  • Page 31 DEH-P2000,P20,P2050 SIDE B...
  • Page 32 DEH-P2000,P20,P2050 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 33 DEH-P2000,P20,P2050 SIDE B...
  • Page 34 DEH-P2000,P20,P2050 4.3 KEYBOARD UNIT SIDE A...
  • Page 35 DEH-P2000,P20,P2050 SIDE B...
  • Page 36 DEH-P2000,P20,P2050 4.4 CD MECHANISM MODULE SIDE A...
  • Page 37 DEH-P2000,P20,P2050 SIDE B...

  • Page 38: Electrical Parts List

    CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWM6085(DEH-P2000/X1N/UC, RESISTORS DEH-P20/X1N/UC) Unit Name : Tuner Amp Unit RS1/10S620J RS1/10S101J MISCELLANEOUS RS1/10S101J RS1/8S222J CA0008AM...
  • Page 39 DEH-P2000,P20,P2050 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S162J CKSYB105K16 RS1/10S162J CEJA4R7M35 RS1/10S0R0J CEAL4R7M35 RD1/4PU103J CKSYB224K25 RS1/10S331J CKSYB224K25 RS1/10S103J CKSYB105K16 RD1/4PU473J CKSYB105K16 RS1/10S102J CEJANP4R7M16 RD1/4PU102J CEJANP4R7M16 RD1/4PU102J...
  • Page 40 DEH-P2000,P20,P2050 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Transistor 2SA1576 RS1/10S223J Transistor DTC124EU RS1/10S0R0J Transistor IMH3A RS1/8S473J Transistor DTA124EU RD1/4PU221J Transistor 2SC4081 RD1/4PU221J Transistor DTC144ES RS1/10S0R0J Transistor...
  • Page 41 DEH-P2000,P20,P2050 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RD1/4PU472J CKSYB105K16 RS1/8S472J CKSYB104K50 RD1/4PU302J CCSQCH200J50 RS1/10S1R0J CCSQCH200J50 RS1/10S681J CKSYB105K16 RD1/4PU102J CEJA4R7M35 RS1/10S102J CCSQCH101J50 RD1/4PU102J CCSQCH101J50 RS1/10S473J CCSQCH101J50 RS1/10S103J...
  • Page 42 DEH-P2000,P20,P2050 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S223J CKSRYB472K50 RS1/16S473J CCSRCH220J50 RS1/16S221J CCSRCH470J50 RS1/16S103J CKSRYB103K50 RS1/16S104J CKSRYB103K50 RS1/16S223J CKSRYB473K16 RS1/16S221J CCSRCK2R0C50 RS1/16S221J CKSRYB103K50 RS1/16S473J CKSRYB104K16 RS1/16S470J...
  • Page 43 Switch CSG1110 CCSRCH270J50 1802 Switch CSG1111 CKSYB105K16 1803 Switch CSG1110 CKSRYB103K50 1804 Switch CSG1110 1805 Switch CSG1110 Unit Number : CWM6098(DEH-P2000/X1N/UC, 1806 Switch CSG1110 DEH-P2050/X1N/ES) Unit Name : Keyboard Unit 1807 Switch CSG1110 1808 Switch CSG1110 MISCELLANEOUS 1809 Switch CSG1110...
  • Page 44 DEH-P2000,P20,P2050 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RESISTORS Unit Number : Unit Name : Photo Unit RS1/8S120J RS1/8S100J Photo-transistor CPT230SX-TU RS1/16S222J Photo-transistor CPT230SX-TU RS1/16S104J RS1/16S103J Miscellaneous Parts List...

  • Page 45: Adjustment

    DEH-P2000,P20,P2050 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.
  • Page 46 DEH-P2000,P20,P2050 - 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 47: Checking The Grating After Changing The Pickup Unit

    DEH-P2000,P20,P2050 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 48 DEH-P2000,P20,P2050 Xch 20mV/div, AC Grating waveform Ych 20mV/div, AC...

  • Page 49: General Information

    DEH-P2000,P20,P2050 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC - Pin Functions (PD4989A) Pin No. Pin Name Function and Operation DRSYS Door system select output DRSENS Door open / close sense input SYSPW System power supply control output DRELAY External relay output...
  • Page 50 DEH-P2000,P20,P2050 Pin No. Pin Name Function and Operation clamp CD disc clamp sense input xsck CD LSI clock output CD LSI data input CD LSI data output CD LSI command/data control output xrst CD LSI reset output xstb CD LSI strobe output...
  • Page 51 DEH-P2000,P20,P2050 - Pin Functions (PD6294A) Pin No. Pin Name Function and Operation Crystal oscillator connection pin Crystal oscillator connection pin Not used MOD1,0 Connect to GND Not used KYDT Key data output DPDT Display data input REMIN Remote control pulse input...
  • Page 52 DEH-P2000,P20,P2050 PML003AM Rear- Loud- Front- IN1_R IN2_R IN3_R IN4+_R IN4-_R AGND out_R SVin_R out_R out_R FIE_R DATA Isolator circuit Anti radiation Fader Secondary Anti Alias filter volume volume filter Loudness volume Primary Treble Zero cross volume Auto-Zero detect circuit Bass...
  • Page 53 DEH-P2000,P20,P2050 - Pin Functions (UPD63710GC) Pin No. Pin Name Function and Operation Logic circuit GND HOLD Defect detection output MIRR MIRR output RFOK signal output Reset signal input Command/parameter identification signal input Data strobe signal input Clock signal input for serial data input/output...
  • Page 54 DEH-P2000,P20,P2050 Pin No. Pin Name Function and Operation ATEST Test pin RFMODE Use/not use select for internal RF amplifier A.GND Analog circuit GND Focus drive output Tracking drive output Sled drive output Spindle drive output DACO DAC output for adjustment...
  • Page 55 DEH-P2000,P20,P2050 - Pin Functions (BA5985FM) Pin No. Pin Name Function and Operation Loading driver FWD input OPIN1( ) CH1 pre-amplifier input OPIN1( ) CH1 pre-amplifier inverted input OPOUT1 CH1 pre-amplifier output OPIN2( ) CH2 pre-amplifier input OPIN2( ) CH2 pre-amplifier inverted input...

  • Page 56: Display

    DEH-P2000,P20,P2050 7.1.2 DISPLAY - CAW1497, CAW1500...

  • Page 57: Disassembly

    DEH-P2000,P20,P2050 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY Removing the Case Unit(not shown) 1. Remove the Case Unit. Removing the Panel Assy(Fig.1) Disengage the stoppers at two locations. Remove the Panel Assy. Removing the CD Mechanism Module (not shown) 1. Remove the four screws.

  • Page 58: Test Mode

    DEH-P2000,P20,P2050 7.2.2 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 59 DEH-P2000,P20,P2050 - 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 60 DEH-P2000,P20,P2050 (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 61 DEH-P2000,P20,P2050 (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 62: Block Diagram

    DEH-P2000,P20,P2050 7.3 BLOCK DIAGRAM TUNER AMP UNIT FM/AM TUNER UNIT CONTROL UNIT PICKUP UNIT(SERVICE) PHOTO UNIT KEYBOARD UNIT...

  • Page 63: Operations And Specifications

    DEH-P2000,P20,P2050 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Key Finder Head Unit 5/∞/2/3 buttons Disc loading slot EJECT button FUNCTION button +/– button AUDIO button DETACH button EQ button Buttons 1 – 6 BAND button DISPLAY button CLOCK button SOURCE button...
  • Page 64 DEH-P2000,P20,P2050 Basic Operation To Listen to Music The following explains the initial operations required before you can listen to music. Note: • Loading a disc in this product. 1. Select the desired source (e.g. tuner). Each press changes the Source ...
  • Page 65 DEH-P2000,P20,P2050 Basic Operation Basic Operation of Tuner Manual and Seek Tuning • You can select the tuning method by changing the length of time you press the 2/3 button. Manual Tuning (step by step) 0.5 seconds or less Seek Tuning 0.5 seconds or more...
  • Page 66 DEH-P2000,P20,P2050 Basic Operation Basic Operation of Multi-CD Player This product can control one or more multi-CD players. (There are some types of multi- CD players such as “CDX-P630S” which you cannot connect more than one.) Track Search and Fast Forward/Reverse •...
  • Page 67 DEH-P2000,P20,P2050 Disc Number Search (for 6-Disc, 12-Disc types) • You can select discs directly with the 1 to 6 buttons. Just press the number corresponding to the disc you want to listen to. Note: • When a 12-Disc Multi-CD Player is connected and you want to select disc 7 to 12, press the 1 to 6 buttons for 2 seconds or longer.
  • Page 68 DEH-P2000,P20,P2050 Basic Operation of Built-in CD Player Switching the Display Eject Each press of the DISPLAY button changes Note: the display in the following order: • The CD function can be turned Playback mode (Elapsed play time) ON/OFF with the disc remaining in = Disc Title this product.
  • Page 69 DEH-P2000,P20,P2050 Audio Adjustment Selecting the Equalizer Curve You can switch between Equalizer curves. • Move the EQ button up or down to select the desired Equalizer curve. Equalizer curve POWERFUL + = NATURAL + = VOCAL + = CUSTOM + = EQ FLAT...
  • Page 70 DEH-P2000,P20,P2050 Audio Menu Functions The Audio Menu features the following functions. Balance Adjustment (FADER) This function allows you to select a Fader/Balance setting that provides ideal listening con- ditions in all occupied seats. 1. Press the AUDIO button and select Fader/Balance mode (FADER) in the Audio Menu.

  • Page 71: Audio Adjustment

    DEH-P2000,P20,P2050 Audio Adjustment Equalizer Curve Fine Adjustment You can adjust the center frequency of each equalizer curve band (LOW/MID/HIGH) and the Q factor (curve characteristics). Level (dB) Q=2W Q=2N Frequency (Hz) Center frequency 1. Press the AUDIO button for 2 or more seconds to select Equalizer Curve Fine Adjustment.
  • Page 72 DEH-P2000,P20,P2050 Front Image Enhancer Function (FIE) The F.I.E. (Front Image Enhancer) function is a simple method of enhancing front imaging by cutting mid- and high-range frequency output from the rear speakers, limiting their out- put to low-range frequencies. You can select the frequency you want to cut.
  • Page 73 DEH-P2000,P20,P2050...

  • Page 74: Specifications

    DEH-P2000,P20,P2050 8.2 SPECIFICATIONS - DEH-P2000/X1N/UC, DEH-P20/X1N/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-P2000,P20,P2050 - DEH-P2050/X1N/ES, DEH-P2050/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 ....

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Deh-p20Deh-p2050

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