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Service
Manual
HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-1400
DEH-14
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-977
CRT2624
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................30
6. ADJUSTMENT..........................................................34
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) 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 2001
DEH-1400/XM/UC
XM/UC
Mech. Module Remarks
S9
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 .......................................38
7.1 DIAGNOSIS ........................................................38
7.1.1 DISASSEMBLY .........................................38
7.1.2
7.2 PARTS .................................................................42
7.2.1 IC................................................................42
7.2.2 DISPLAY ....................................................50
7.3 OPERATIONAL FLOW CHART ...........................51
8. OPERATIONS AND SPECIFICATIONS.....................52
K-ZZD. OCT. 2001 Printed in Japan
ORDER NO.
CRT2754
XM/UC
.......41

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   Summary of Contents for Pioneer DEH-1400

  • Page 1

    PIONEER ELECTRONICS (USA) 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 2001 K-ZZD. OCT. 2001 Printed in Japan...

  • Page 2: Safety Information

    DEH-1400,14 - CD Player Service Precautions 3. Please checking the grating after changing the pickup 1. For pickup unit(CXX1480) handling, please refer unit(see page 35). to"Disassembly"(see page 38). 4. In this product, because the memory capacity of the During replacement, handling precautions shall be...

  • Page 3

    9 Bush CNV3930 17 Accessory Assy CEA2781 10 Polyethylene Bag CEG1173 (2) CONTRAST TABLE DEH-1400/XM/UC and DEH-14/XM/UC are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-1400/XM/UC DEH-14/XM/UC 12 Carton CHG4489 CHG4493 13 Contain Box...

  • Page 4

    DEH-1400,14 2.2 EXTERIOR...

  • Page 5

    CAC7186 69 ••••• 35 Button(SELECT) CAC7181 70 Panel CNS6344 (2) CONTRAST TABLE DEH-1400/XM/UC and DEH-14/XM/UC are constructed the same except for the following: Part No. Mark No. Symbol and Description DEH-1400/XM/UC DEH-14/XM/UC 31 Detach Grille Assy CXB8748 CXB8749 44 Keyboard Unit...

  • Page 6

    DEH-1400,14 2.3 CD MECHANISM MODULE...

  • Page 7

    DEH-1400,14 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Control Unit CWX2481 46 Gear CNV6320 2 Connector(CN701) CKS1959 47 Arm CNV6322 3 Connector(CN101) CKS3486 48 Arm CNV6323 4 Screw BMZ20P025FMC...

  • Page 8: Block Diagram And Schematic Diagram

    DEH-1400,14 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 CN402 AMDET AMANT L ch IC 2 FM MPX R ch...

  • Page 9

    DEH-1400,14 CN351 REAR L CH Q 351 SYSTEM CONTROLLER Q359 IC 610 (1/2) PE5262A VDD REGULATOR Q913 TUNPCE PCE1 TUNPCK TUNPCE2 PCE2 TUNPDO PDIO VCC REGULATOR TUNPDI Q911 LOCL Q910 CN901 SYSPW BACKUP Q912 BACK UP POWER AMP VST/ VCK/ VDT...

  • Page 10

    DEH-1400,14 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”. Large size SCH diagram Guide page Detailed page ELECTRONIC R791 FMLOCL SYST ANTENNA JACK NOTE : Symbol indicates a resistor.

  • Page 11

    DEH-1400,14 TUNER AMP UNIT VOLUME FM(100%):+3.6dBs AM(30%):-6.9dBs CD:+9.4dBs CD:+10.2dBs PRE OUT MUTE EM CONTROLLER POWER AMP FM(100%):+29.6dBs AM(30%):+19.1dBs CD:+36.2dBs CEK1136 > BACK UP B.REM VDD REGULATOR VCC REGULATOR SYS+B REGULATOR BACK UP SENSE ACC SENSE B.REMOTE...

  • Page 12

    DEH-1400,14...

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    DEH-1400,14...

  • Page 14

    DEH-1400,14...

  • Page 15

    DEH-1400,14...

  • Page 16

    DEH-1400,14 3.3 KEYBOARD UNIT KEYBOARD UNIT LCD DRIVER...

  • Page 17

    DEH-1400,14 CN751 IL1700,1701:14V 40mA CLOCK LOC/BSM DEH-1400/XM/UC DEH-14/XM/UC D1702-1708 SML-310PT SML-310DT IL1700,1701 CEL1651 CEL1638 CAW1723 CAW1716 R1711 R1715,1719...

  • Page 18

    DEH-1400,14 3.4 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT(SERVICE)(P9) RF AMP CN101 ACT/MOTOR DRIVER SPINDLE M1 CXB6007 LOADING/CARRIAGE M2 CXB5903 5V REGULATOR...

  • Page 19

    DEH-1400,14 SERVO CONTROL/DSP/DAC/LPF 16.934MHz SWITCHES: CONTROL UNIT S901 : HOME SWITCH..ON-OFF S902 : CLAMP SWITCH..ON-OFF S903 : DSCSNS SWITCH..ON-OFF S904 : 12EJ SWITCH..ON-OFF S905 : 8EJ SWITCH..ON-OFF The underlined indicates the switch position. Decimal points for resistor and capacitor fixed values are expressed as : 2.2→2R2...

  • Page 20

    DEH-1400,14 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage VREF:2.1V - Waveforms 5 CH1:FD 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 500mV/div. 2 CH2:CLCONT 2 CH2:CLCONT 6 CH2:FOK 5V/div. 5V/div. 5V/div. 500ms/div. 500ms/div. 500ms/div. 7 CH3:MD...

  • Page 21

    DEH-1400,14 % CH1:RFO 5 CH1:FD % CH1:RFO 1V/div. 1V/div. 1V/div. 200ms/div. 0 CH2:TE ^ CH2:FOP 0 CH2:TE 500µs/div. 1V/div. 5ms/div. 2V/div. 500mV/div. ! CH3:TD ! CH3:TD 1V/div. 1V/div. With no disk inserted 32 Track Jump During "Focus Close" 1 Track Jump Ref.

  • Page 22: Pcb Connection Diagram

    DEH-1400,14 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT TUNER AMP UNIT CORD ASSY NOTE FOR PCB DIA- GRAMS 1. The parts mounted on this PCB include all nec- essary parts for several destination. For further information for respective destina-...

  • Page 23

    DEH-1400,14 SIDE A ANTENNA JACK FRONT CN1800...

  • Page 24

    DEH-1400,14 TUNER AMP UNIT...

  • Page 25

    DEH-1400,14 SIDE B...

  • Page 26

    DEH-1400,14 4.2 KEYBOARD UNIT SIDE A SIDE B KEYBOARD UNIT KEYBOARD UNIT ← CN751...

  • Page 27

    DEH-1400,14...

  • Page 28

    DEH-1400,14 4.3 CD MECHANISM MODULE SIDE A CONTROL UNIT...

  • Page 29

    DEH-1400,14 SIDE B CONTROL UNIT...

  • Page 30: Electrical Parts List

    DEH-1400,14 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 31

    RS1/16S102J CEJQ101M16 RS1/16S473J CEJQ101M10 RS1/16S0R0J CKSRYB473K50 RS1/16S0R0J CKSRYB103K50 RS1/16S0R0J 470µF/16V CCH1331 RS1/16S152J CKSQYB473K50 RS1/16S0R0J CKSRYB103K50 CAPACITORS Unit Number : CWM7955(DEH-1400/XM/UC) Unit Name : Keyboard Unit CEJQ470M10 CEJQ100M16 MISCELLANEOUS CKSRYB104K25 CKSRYB105K6R3 IC 1800 PD6340A CKSRYB104K25 1700 NSSW440-9159 1701 NSSW440-9159 CKSRYB104K25 1702...

  • Page 32

    DEH-1400,14 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- 1704 SML-310PT 1709 RS1/16S151J 1705 SML-310PT 1710 RS1/16S151J 1706 SML-310PT 1711 RS1/16S121J 1707 SML-310PT 1712 RS1/16S181J 1708 SML-310PT 1713...

  • Page 33

    DEH-1400,14 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S331J CKSRYB221K50 RS1/16S0R0J CKSRYB153K25 RS1/16S332J CKSRYB103K50 RS1/16S684J CEV101M10 RS1/16S103J CKSRYB104K16 RS1/16S103J CKSRYB104K16 RS1/16S183J 10µF/10V CCH1349 RS1/16S123J CEV101M10 RS1/16S622J CKSRYB224K16...

  • Page 34: Adjustment

    DEH-1400,14 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 35: Checking The Grating After Changing The Pickup Unit

    DEH-1400,14 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 36

    DEH-1400,14 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 37: Error Mode

    DEH-1400,14 6.3 ERROR 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 38: General Information

    DEH-1400,14 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case (not shown) 1. Remove the Case. CD Mechanism Module Panel Assy (Fig.1) Take the two stoppers off the Chassis and then remove the Panel Assy. Removing the CD Mechanism Module (Fig.1) Remove the four screws and then remove the CD Mechanism Module.

  • Page 39

    DEH-1400,14 - How to hold the Mechanical Unit 1. Hold the top and bottom frame. 2. Do not squeeze top frame's front portion too tight, because it is fragile. Do not squeeze. - How to remove the Top and Bottom Frame 1.

  • Page 40

    DEH-1400,14 - How to remove the Control Unit 1. Give jumper-solder treatment to the Flexible Wire of Jumper-Solder the Pickup unit, then remove the wire from the Connector. Control Unit 2. Remove all 4 points of solder-treatment on the Lead Wire.

  • Page 41: Connector Function Description

    DEH-1400,14 7.1.2 CONNECTOR FUNCTION DESCRIPTION ANTENNA PRE OUT 1. GND 2. BACK UP 3. ACC 4. NC 5. NC 6. B.REM 7. NC 8. NC 9. RL- 10. FL- 11. RL+ 12. FL+ 13. RR- 14. FR- 15. RR+ 16. FR+...

  • Page 42: Parts

    DEH-1400,14 7.2 PARTS 7.2.1 IC Pin Functions(PE5262A) Pin No. Pin Name Format Function and Operation MODEL1 Model select input Not used AVSS A/D GND FM stereo input SD input AVREF1 A/D converter reference voltage KYDT Key data input DPDT Display data output...

  • Page 43

    DEH-1400,14 Pin No. Pin Name Format Function and Operation Power supply Crystal oscillator connection pin Crystal oscillator connection pin IC(VPP) Connect to GND Not used TESTIN Test program mode input AVDD Positive power supply terminal for analog circuit AVREF0 A/D converter reference voltage...

  • Page 44

    DEH-1400,14 - 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 45

    DEH-1400,14 - Pin Functions(TA2153FN) 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 Sub beam amplifier input terminal...

  • Page 46

    DEH-1400,14 - Pin Functions(TC9495F2) 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 47

    DEH-1400,14 Pin No. Pin Name Function and Operation 58-61 FLGA-D External flag output terminal for internal signal monitor Digital + power supply terminal (5 V) Digital ground terminal RF amplifier gain switching terminal Not used HOME detection switch input terminal...

  • Page 48

    DEH-1400,14 - Pin Functions(BA5996FM) Pin No. Pin Name Function and Operation Input pin for reference voltage OPIN2(+) Input pin for non-inverting input for CH2 preamplifier OPIN2(-) Input pin for inverting input for CH2 preamplifier OPOUT2 Output pin for CH2 preamplifier...

  • Page 49

    DEH-1400,14 - 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 50: Display

    DEH-1400,14 7.2.2 DISPLAY - CAW1723(DEH-1400/XM/UC), CAW1716(DEH-14/XM/UC)

  • Page 51: Operational Flow Chart

    DEH-1400,14 7.3 OPERATIONAL FLOW CHART Power ON VDD=5V Pin 68 bsens Pin 63 BSENS=L asens Pin 64 ASENS=L dsens Pin 65 DSENS=L ADPW←H Pin 66 Starts communication with Grille microcomputer. 300ms swvdd←L Pin 41 300ms In case of the above signal, the communication Source keys with Grille microcomputer may fail.

  • Page 52: Operations And Specifications

    DEH-1400,14 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS What’s what 1 VOLUME button 7 LOUDNESS button Press to increase or decrease the volume. Press to switch loudness function on or off. 2 CD EJECT button 8 SOURCE button Press to eject a CD from your built-in CD player.

  • Page 53

    DEH-1400,14...

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    DEH-1400,14...

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    DEH-1400,14...

  • Page 56: Specifications

    DEH-1400,14 8.2 SPECIFICATIONS General CD player Power source ....14.4 V DC (10.8 – 15.1 V System ......Compact disc audio allowable) system Grounding system ..Negative type Usable discs ....Compact disc Max. current consumption Signal format: ......... 10.0 A Sampling frequency 44.1 kHz...

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