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Pioneer DEH-2300 Service Manual

High power cd player with fm/am tuner
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See also: Operating Manual
Service
Manual
HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-2300
DEH-230
DEH-23
- 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 ................................24
5. ELECTRICAL PARTS LIST ........................................32
6. ADJUSTMENT..........................................................36
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-2300/X1M/UC
X1M/UC
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.
7. GENERAL INFORMATION .......................................40
7.1 DIAGNOSIS ........................................................40
7.1.1 TEST MODE ..............................................40
7.1.2 DISASSEMBLY .........................................43
7.1.3
7.2 PARTS .................................................................48
7.2.1 IC................................................................48
7.2.2 DISPLAY ....................................................55
7.3 OPERATIONAL FLOW CHART ...........................56
8. OPERATIONS AND SPECIFICATIONS.....................57
K-ZZA. OCT. 2000 Printed in Japan
ORDER NO.
CRT2560
X1M/UC
.......47

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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: Safety Information

    DEH-2300,230,23 - 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 43). nector is plugged or unplugged.
  • Page 3 CNV3930 16 Case Assy See Contrast table(2) 10 Polyethylene Bag CEG1173 (2) CONTRAST TABLE DEH-2300/X1M/UC, DEH-230/X1M/UC and DEH-23/X1M/UC are constructed the same except for the fol- lowing: Part No. Mark No. Symbol and Description DEH-2300/X1M/UC DEH-230/X1M/UC DEH-23/X1M/UC * 11-1 Warranty Card...
  • Page 4 DEH-2300,230,23 2.2 EXTERIOR...
  • Page 5 34 Spring CBH2367 69 Transistor(Q904, 981) 2SD2396 35 Bracket CNC6791 (2) CONTRAST TABLE DEH-2300/X1M/UC, DEH-230/X1M/UC and DEH-23/X1M/UC are constructed the same except for the fol- lowing: Part No. Mark No. Symbol and Description DEH-2300/X1M/UC DEH-230/X1M/UC DEH-23/X1M/UC 45 Detach Grille Assy...
  • Page 6 DEH-2300,230,23 2.3 CD MECHANISM MODULE...
  • Page 7 DEH-2300,230,23 - 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...

  • Page 8: Block Diagram And Schematic Diagram

    DEH-2300,230,23 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER AMP UNIT FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 ANTENNA AMDET CN402 AMANT L ch IC 2 FM MPX R ch...
  • Page 9 DEH-2300,230,23 CN301 REAR L CH Q346 SYSTEM CONTROLLER IC 601(1/2) PE5196A TUNPCE2 PDIO Q363 LOCL CN901 Q903 BACKUP FUSE BACK UP VST/ VCK/ VDT POWER AMP IN2_L FL— E.VOL FL– FIE/EQ IC 302 Frontout_L IN3_L PAL006A RL— IC 301 Rearout_L RL–...
  • Page 10 DEH-2300,230,23 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 Large size SCH diagram FM/AM TUNER UNIT FM(100%):-19.5dBs AM(30%):-30dBs CN402 Guide page...
  • Page 11 DEH-2300,230,23 FM(100%):+3.6dBs AM(30%):-6.9dBs CD:+9.4dBs CD:+10.2dBs E.VOL FIE/EQ CN301 CN901 POWER AMP FM(100%):+29.6dBs AM(30%):+19.1dBs CD:+36.2dBs > CEK1136 600µH RESET A.SENS B.SENS CN605 CD:+4.1dBs...
  • Page 12 DEH-2300,230,23...
  • Page 13 DEH-2300,230,23...
  • Page 14 DEH-2300,230,23...
  • Page 15 DEH-2300,230,23...
  • Page 16 DEH-2300,230,23 3.3 KEYBOARD UNIT KEYBOARD UNIT LCD DRIVER KEY CONTROLLER LCD CAW1606...
  • Page 17 DEH-2300,230,23 CN601 IL1801, 1802:CEL1638(14V 40mA) (DEH-23/X1M/UC) IL1801, 1802:CEL1651(14V 40mA) (DEH-2300/X1M/UC) LOUD (DEH-230/X1M/UC)

  • Page 18: Cd Mechanism Module

    DEH-2300,230,23 3.4 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT (SERVICE)(P8) CN101 RF-AMP, SE CL203IRXTU CL203IRXTU 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 19 DEH-2300,230,23 SWITCHES: CONTROL UNIT S801 : HOME SWITCH..ON-OFF S802 : CLAMP SWITCH..ON-OFF The underlined indicates the switch position. MP, SERVO, DSP, DAC, LPF CN701...
  • Page 20 DEH-2300,230,23 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 21 DEH-2300,230,23 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 →...
  • Page 22 DEH-2300,230,23 ( 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 →...
  • Page 23 DEH-2300,230,23...

  • Page 24: Pcb Connection Diagram

    DEH-2300,230,23 CORD ASSY TUNER AMP UNIT 4. PCB CONNECTION DIAGRAM 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 diagram.
  • Page 25 DEH-2300,230,23 SIDE A ANTENNA PRE OUT FRONT...
  • Page 26 DEH-2300,230,23 TUNER AMP UNIT...
  • Page 27 DEH-2300,230,23 SIDE B FRONT...
  • Page 28 DEH-2300,230,23 4.2 KEYBOARD UNIT SIDE A...
  • Page 29 DEH-2300,230,23 SIDE B...
  • Page 30 DEH-2300,230,23 4.3 CD MECHANISM MODULE SIDE A...
  • Page 31 DEH-2300,230,23 SIDE B...

  • Page 32: Electrical Parts List

    DEH-2300,230,23 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 33 CCH1326 RS1/16S222J CKSRYB103K50 RD1/4PU221J CEJA101M16 RD1/4PU221J CKSRYB473K16 CEJA101M10 CAPACITORS CKSRYB102K50 CKSRYB105K6R3 CKSRYB473K16 CKSRYB104K16 CKSRYB105K6R3 Unit Number : CWM7303 CKSRYB104K16 (DEH-2300/X1M/UC, DEH-230/X1M/UC) CKSRYB102K50 Unit Name : Keyboard Unit CKSRYB102K50 MISCELLANEOUS CEJA470M10 CEJA100M16 IC 1801 PD6340A CKSRYB104K16 1701 SML210PT CEJA4R7M35 1702 SML210PT...
  • Page 34 DEH-2300,230,23 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RESISTORS 1803 RS1/16S471J 1804 RS1/16S471J 1805 RS1/16S471J 1701 RS1/16S151J 1806 RS1/16S471J 1702 RS1/16S181J 1703 RS1/16S181J CAPACITORS 1704 RS1/16S181J 1705...
  • Page 35 DEH-2300,230,23 =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- CKSRYB332K50 CKSRYB104K16 CKSRYB104K16 CKSRYB392K50 CKSRYB104K16 CKSRYB104K16 CCSRCJ3R0C50 CCSRCH270J50 CKSRYB104K16 CCSRCH181J50 CCSRCH510J50 CKSRYB682K25 CEV220M6R3 CKSRYB103K25 CKSRYB224K10 CEV101M10 CCSQSL152J50 CCSQSL152J50 10µF/10V CCH1349 CKSQYB334K16 Unit Number : Unit Name : Photo Unit(S8)

  • Page 36: Adjustment

    DEH-2300,230,23 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 37 DEH-2300,230,23 - Flow Chart Test Mode In Reset SOURCE Select CD New test mode BAND Power ON (Adjustment for T.Offset) Power ON (Not adjustment for T.Offset) 00 00 00 Display 99 99 99 Display Power OFF BAND Focus Close/ Focus Mode...

  • Page 38: Checking The Grating After Changing The Pickup Unit

    DEH-2300,230,23 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 39 DEH-2300,230,23 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 40: General Information

    DEH-2300,230,23 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 41 DEH-2300,230,23 - 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 42 DEH-2300,230,23 (4) Display of Operational Status (CPOINT) during Setup Status No. Contents Protective action Carriage move to home position started. None Carriage is moving toward inner diameter. Specified 10 seconds has been passed or failure on home switch. Carriage is moving toward outer diameter.

  • Page 43: Disassembly

    DEH-2300,230,23 7.1.2 DISASSEMBLY - Removing the Case Unit (not shown) 1. Remove the Case Unit. - Removing the CD Mechanism Module (Fig.1) Remove the four screws. Disconnect the connector and then remove the CD Mechanism Module (not shown). - Removing the Panel Assy (not shown) 1.
  • Page 44 DEH-2300,230,23 - 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 45 DEH-2300,230,23 - 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 46 DEH-2300,230,23 - 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.

  • Page 47: Connector Function Description

    DEH-2300,230,23 7.1.3 CONNECTOR FUNCTION DESCRIPTION PRE OUT ANTENNA 1. BACK UP 2. GND 3. NC 4. ACC 5. B.REM 6. NC 7. NC 8. NC 9. FL- 10. RL- 11. FL+ 12. RL+ 13. FR- 14. RR- 15. FR+ 16. RR+...

  • Page 48: Parts

    DEH-2300,230,23 7.2 PARTS 7.2.1 IC Pin Functions(PE5196A) Pin No. Pin Name Format Function and Operation MODEL1 Model select input Noise level input NL2DT Noise level input 2 AVSS AVSS Stereo input SD signal input AREF1 AVREF1 KYDT Key data input...
  • Page 49 DEH-2300,230,23 Pin No. Pin Name Format Function and Operation RDS data input reset Reset LDET PLL lock detection input RDS clock input asens ACC power sense input bsens Back up power sense input dsens Grille detach sense input TMUTE Tuner mute output...
  • Page 50 DEH-2300,230,23 - Pin Functions (PD6340A) Pin No. Pin Name Function and Operation SEG4-0 LCD segment output COM3-0 LCD common output VLCD LCD drive power supply 11-14 KST3-0 Key strobe output 15,16 KDT0,1 Key data input (analogue input) Remote control reception...
  • Page 51 DEH-2300,230,23 - 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...
  • Page 52 DEH-2300,230,23 Pin No. Pin Name Function and Operation 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 DAC1 DAC output for adjustment...
  • Page 53 DEH-2300,230,23 PAL006A Protector; Over voltage Reference amp_vcc Stand-by P-GND2 Circuit OUT2- Offset Protector; STBY Detection Thermal OUT2+ OUT1- Offset P-GND1 Detection OUT1+ Protector; S-GND Short circuit AC-GND OUT3+ Offset P-GND3 Detection OUT3- OUT4+ Offset MUTE Detection OUT4- P-GND4 SWITCH Protector;...
  • Page 54 DEH-2300,230,23 FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch ANT ADJ COMP MIXER, IF AMP, DET. LDET FMANT RFGND FMRF CF202 IC 3...

  • Page 55: Display

    DEH-2300,230,23 7.2.2 DISPLAY - CAW1606...

  • Page 56: Operational Flow Chart

    DEH-2300,230,23 7.3 OPERATIONAL FLOW CHART Power ON VDD=5V 68pin bsens 64pin BSENS=L asens 63pin ASENS=L dsens 65pin DSENS=L ADPW←H 20pin Starts communication with Grille microcomputer. 300ms SWVDD←L 41pin 300ms In case of the above signal, the communication Source keys with Grille microcomputer may fail.

  • Page 57: Operations And Specifications

    DEH-2300,230,23 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Key Finder Head Unit +/– buttons LOCAL/BSM button EQ button CD loading slot EJECT button AUDIO button BAND button LOUD button Detach button 5/∞/2/3 buttons Buttons 1–6 SOURCE button CLOCK button...
  • Page 58 DEH-2300,230,23...
  • Page 59 DEH-2300,230,23...
  • Page 60 DEH-2300,230,23...

  • Page 61: Specifications

    DEH-2300,230,23 8.2 SPECIFICATIONS 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;...

This manual is also suitable for:

Deh-230Deh-23Deh-1300Deh-2350/x1m/esDeh-1350/x1m/esDeh-1350 ... Show all

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