Pioneer DEH-66DH Service Manual
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Pioneer DEH-66DH Service Manual

Pioneer DEH-66DH Service Manual

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Service
Manual
HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-66DH
DEH-46DH
- See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S7 series.
- CD Player Service Precautions
1. For pickup unit(CXX1230) handling, please refer
to"Disassembly"(CX-597 Service Manual CRT1829).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................32
5. ELECTRICAL PARTS LIST ........................................43
6. ADJUSTMENT..........................................................51
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-66DH
FUNC
AUDIO
P
SOURCE/ OFF
BAND
DISP
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
2
3
4
5
6
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.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 55).
7. GENERAL INFORMATION .......................................58
7.1 PARTS .................................................................58
7.1.1 IC................................................................58
7.1.2 DISPLAY ....................................................62
7.2 DIAGNOSIS ........................................................63
7.2.1 DISASSEMBLY .........................................63
7.2.2 TEST MODE ..............................................64
7.3 BLOCK DIAGRAM ..............................................66
8. OPERATIONS AND SPECIFICATIONS.....................68
K-ZZD. NOV. 1998 Printed in Japan
ORDER NO.
CRT2301
UC

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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 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. NOV. 1998 Printed in Japan...

  • Page 2: Safety Information

    This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING - DEH-66DH...
  • Page 3 DEH-66DH,46DH NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - PACKING SECTION PARTS LIST Mark No. Description Part No.
  • Page 4 DEH-66DH,46DH - DEH-46DH...
  • Page 5 DEH-66DH,46DH - PACKING SECTION PARTS LIST Mark No. Description Part No. 1-1 Card ARY1048 1-2 Owner's Manual CRD2871 (English, French) 1-3 Installation Manual CRD2872 (English, French) 1-4 Polyethylene Bag CEG1116 2 Cord Assy CDE5885 3,4 ••••• 5 Detach Case Assy CXB3705 6-10 •••••...
  • Page 6 DEH-66DH,46DH 2.2 EXTERIOR - DEH-66DH...
  • Page 7 DEH-66DH,46DH - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P060FMC 46 Button(FUNC) CAC4887 2 Screw BSZ26P080FMC 47 Button(SOURCE) CAC4888 3 Screw BSZ30P050FMC 48 Button(AUDIO) CAC4889 4 Screw BSZ30P200FMC 49 Button(LOUD,CLOCK) CAC4893...
  • Page 8 DEH-66DH,46DH - DEH-46DH...
  • Page 9 DEH-66DH,46DH - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ26P060FMC 49 Button(LOUD,CLOCK) CAC4893 2 Screw BSZ26P080FMC 50 Button(DETACH) CAC5951 3 Screw BSZ30P050FMC 51 Button(+) CAC5945 4 Screw BSZ30P200FMC 52 Button(EJECT) CAC5948...
  • Page 10 DEH-66DH,46DH 2.3 CD MECHANISM MODULE...
  • Page 11 DEH-66DH,46DH - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Control Unit CWX2268 46 Connector(CN701) CKS2774 2 Pickup Unit(Service) CXX1230 47 Connector(CN801) CKS2196 3 Screw IMS26P035FMC 48 Spring CBH1832 4 Screw...

  • Page 12: Schematic Diagram

    DEH-66DH,46DH 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 TUNER AMP UNIT Guide page Detailed page DEH-66DH...
  • Page 13 DEH-66DH,46DH DEH-66DH PAL005A 600µH DEH-66DH...
  • Page 14 DEH-66DH,46DH...
  • Page 15 DEH-66DH,46DH...
  • Page 16 DEH-66DH,46DH...
  • Page 17 DEH-66DH,46DH...
  • Page 18 DEH-66DH,46DH 3.2 FM/AM TUNER UNIT FM/AM TUNER UN...
  • Page 19 DEH-66DH,46DH ER UNIT...
  • Page 20 DEH-66DH,46DH 3.3 KEYBOARD UNIT...
  • Page 21 DEH-66DH,46DH CSS1449...
  • Page 22 DEH-66DH,46DH 3.4 CD MECHANISM MODULE(GUIDE PAGE) Large size SCH diagram Guide page Detailed page 22/6R3 CXA8912 BA05SFP CXB3043 CXA8702...
  • Page 23 DEH-66DH,46DH CN651...
  • Page 24 DEH-66DH,46DH...
  • Page 25 DEH-66DH,46DH E-a D...
  • Page 26 DEH-66DH,46DH...
  • Page 27 DEH-66DH,46DH CN651...
  • Page 28 DEH-66DH,46DH Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage - Waveforms REFO:2.5V 1 RFO 1 CH1: RFO 1 CH1: RFO 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 29 DEH-66DH,46DH 8 CH1: TEY 8 CH1: TEY 0 SIN 0.2V/div. 0.5V/div. 0.5V/div. 0.1s/div. 20ms/div. 5ms/div. 9 CH2: TIN ! CH2: SD 0.2V/div. 0.5V/div. Normal mode: play Normal mode: Play (12cm) → REFO → REFO → REFO → → REFO REFO...
  • Page 30 DEH-66DH,46DH ( CH1: R OUT 6 CH1: FEY 8 CH1: TEY 0.2V/div. 1V/div. 0.2V/div. 0.2ms/div. 1ms/div. 1ms/div. ) CH2: L OUT 3 CH2: FIN 9 CH2: TIN 1V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB) Normal mode: During AGC Normal mode: During AGC →...
  • Page 31 DEH-66DH,46DH...

  • Page 32: Pcb Connection Diagram

    DEH-66DH,46DH 4. PCB CONNECTION DIAGRAM 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS TUNER AMP UNIT 1. The parts mounted on this PCB CN852 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 33 DEH-66DH,46DH SIDE A ANTENNA JACK IP-BUS IN FRONT PREOUT RESET CN701...
  • Page 34 DEH-66DH,46DH TUNER AMP UNIT...
  • Page 35 DEH-66DH,46DH SIDE B...
  • Page 36 DEH-66DH,46DH 4.2 FM/AM TUNER UNIT SIDE A...
  • Page 37 DEH-66DH,46DH SIDE B...
  • Page 38 DEH-66DH,46DH 4.3 KEYBOARD UNIT SIDE A...
  • Page 39 DEH-66DH,46DH SIDE B...
  • Page 40 DEH-66DH,46DH 4.4 CD MECHANISM MODULE SIDE A...
  • Page 41 DEH-66DH,46DH SIDE B...
  • Page 42 DEH-66DH,46DH 4.5 DETACH ALARM UNIT(DEH-66DH) DETACH ALARM UNIT SIDE A CORD ASSY CN853 SIDE B DETACH ALARM UNIT...

  • Page 43: Electrical Parts List

    DEH-66DH,46DH 5. ELECTRICAL PARTS LIST NOTE: - 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 44 CKSQYB104K16 CCSRTH9R0D50 CCSRTH120J50 CEJAR47M50 CEJAR33M50 CCSRCH471J50 CKSQYB473K16 CKSRYB103K25 CKSRYB333K16 CCSRCH101J50 CKSQYB473K16 CKSRYB103K25 CKSQYB472K50 CCSRCH471J50 CCSRCH5R0C50 CKSQYB104K16 Unit Number : CWM6381(DEH-66DH) CCSRRH201J50 Unit Name : Tuner Amp Unit CKSRYB223K25 CKSRYB103K25 MISCELLANEOUS CCSRCH470J50 SN761027DL CKSQYB223K25 PAL005A CKSQYB104K16 LC72146M CKSRYB472K50 PD4723B CEJA330M10 PD4623B...
  • Page 45 DEH-66DH,46DH =====Circuit Symbol and No. Part Name===== Part No. =====Circuit Symbol and No. Part Name===== Part No. ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ Transistor...
  • Page 46 DEH-66DH,46DH =====Circuit Symbol and No. Part Name===== Part No. =====Circuit Symbol and No. Part Name===== Part No. ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ RS1/8S331J µ...
  • Page 47 DEH-66DH,46DH =====Circuit Symbol and No. Part Name===== Part No. =====Circuit Symbol and No. Part Name===== Part No. ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ CEHAQ101M16...
  • Page 48 DEH-66DH,46DH =====Circuit Symbol and No. Part Name===== Part No. =====Circuit Symbol and No. Part Name===== Part No. ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ RS1/10S682J...
  • Page 49 DEH-66DH,46DH =====Circuit Symbol and No. Part Name===== Part No. =====Circuit Symbol and No. Part Name===== Part No. ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ ------------ ---- ---- ---- ---- ---- ---- ---- ---- ---- ------------------------ µ...
  • Page 50 RS1/16S103J CKSYB334K16 RS1/16S103J RS1/16S102J CEV101M6R3 CCSRCH471J50 RS1/16S163J CCSRCH271J50 RS1/16S163J CCSRCH471J50 RS1/16S104J CCSRCH101J50 RS1/16S473J RS1/16S0R0J Unit Number : CWM5291 Unit Name : Detach Alarm Unit(DEH-66DH) RS1/16S102J RA3C102J MISCELLANEOUS RA4C681J RS1/16S102J TPD1018F RS1/16S102J TPD1018F Transistor IMD2A RS1/16S223J Transistor DTC123EK RS1/16S223J Transistor DTC123EK...

  • Page 51: Adjustment

    DEH-66DH,46DH 6. ADJUSTMENT 6.1 TUNER ADJUSTMENT - Connection Diagram BACK UP +14.4V DC Regulated Power Supply Lch + 4Ω Lch - mV Meter (1) Oscilloscope Rch + 4Ω Rch - Dummy Antenna Antenna Plug 50Ω(37.5Ω) Stereo FM SSG Modulator 50Ω(75Ω)
  • Page 52 DEH-66DH,46DH FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize.
  • Page 53 DEH-66DH,46DH 6.2 CHECKING THE KEYBOARD UNIT When checking the Keyboard Unit and Tuner Amp Unit In the Keyboard Unit and Tuner Amp Unit , there are EL , set the unit as shown in the figure. Secure the high-voltage sections with the description of "HIGH Keyboard unit by using adhesive tape to prevent it from VOLTAGE".
  • Page 54 DEH-66DH,46DH 6.3 CD ADJUSTMENT 1)Precautions • This unit uses a single power supply (+5V) for the reg- • Test mode cancellation ulator. The signal reference potential, therefore, is Switch ACC, back-up OFF. connected to REFO(approx. 2.5V) instead of GND. If REFO and GND are connected to each other by mis- •...
  • Page 55 DEH-66DH,46DH 6.4 CHECKING THE GRATING - Checking the Grating After Changing the Pickup Unit • Note : Unlike previous CD mechanism modules the grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mechanism module is adjusted on the production line to match the CD mecha- nism module and is thus the best adjusted PU unit for the CD mechanism module.
  • Page 56 DEH-66DH,46DH Xch 20mV/div, AC Grating waveform Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...
  • Page 57 DEH-66DH,46DH 6.5 TEST MODE - Flow Chart ACC,Back-up ON <Regulator OFF> CD Player Select SOURCE During regulator off, press the 6 key ' " and the system will be put into the Display new test mode. <Regulator ON> BAND Power ON 00 00'00"...

  • Page 58: General Information

    DEH-66DH,46DH 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC - Pin Functions (PD6197A) 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 Display/key data output DPDT...
  • Page 59 DEH-66DH,46DH - Pin Functions (PD4623B) Pin No. Pin Name Format Function and Operation Not used xrst CD LSI reset output Not used Chip enable output crst IP-BUS reset output home Connect to VDD clamp Disc clamp input Not used CDEJET...
  • Page 60 DEH-66DH,46DH - Pin Functions (PD4723B) Pin No. Pin Name Format Function and Operation ridrst RBDS/IDLOGIC reset output RIDSEL RBDS/IDLOGIC select output Not used AVSS A/D converter ground potential VCAOUT Sub woofer volume control Not used AVREF D/A converter reference voltage...
  • Page 61 DEH-66DH,46DH Pin No. Pin Name Format Function and Operation reset Reset input RIDRDY Ready input bsens Back up power sense input asens ACC power sense input dsens Grille detach sense mosens Sensor input Not used CLKIN Clock input Power supply...

  • Page 62: Display

    DEH-66DH,46DH 7.1.2 DISPLAY - CAW1390 COMMON SEGMENT...

  • Page 63: Diagnosis

    DEH-66DH,46DH 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY - Removing the Case - Removing the Tuner Amp Unit 1.Remove the five screws A, and then remove the case. 1.Remove the six screws. - Removing the Panel Assy 2.Stretch the four claws, and then remove the tuner 1.Remove the three screws B.

  • Page 64: Test Mode

    DEH-66DH,46DH 7.2.2 TEST MODE - Error Number Indication If the CD should fail to operate or if an error has taken place during operation the player will enter into the error mode, and the cause of the error will be numerically indicated.
  • Page 65 DEH-66DH,46DH (2) Relations of keys between TEST and NEW TEST Modes Keys Test Mode New Test Mode Regulator OFF Regulator ON PLAY in progress Error Occurred, Protection Activated  BAND Regulator ON Regulator OFF Time of occurrence / cause of error select ...

  • Page 66: Block Diagram

    DEH-66DH,46DH 7.3 BLOCK DIAGRAM...
  • Page 67 DEH-66DH,46DH...

  • Page 68: Operations And Specifications

    DEH-66DH,46DH 8. OPERATIONS AND SPECIFICATIONS Key Finder Head Unit EJECT button PGM button FUNCTION button LOUD button Disc loading slot 5/∞/2/3/ button FUNC +/– button AUDIO SOURCE/ OFF BAND DISP CLOCK button DISP button Buttons 1 – 6 SOURCE button...
  • Page 69 DEH-66DH,46DH Basic Operation Switching Power ON/OFF • Select the desired source (such as the tuner). TUNER AUDIO SOURCE/ OFF BAND Each press of the SOURCE button selects the desired source in the follow- ing order: Built-in CD player = Tuner To switch the sources OFF, hold down the SOURCE button for 1 second or more.
  • Page 70 DEH-66DH,46DH Tuner Operation Basic Operation of Tuner 1. Select Tuner. TUNER AUDIO SOURCE/ OFF BAND Each press Each press changes the Source ... changes the Source ... 2. Select the desired band. TUNER AUDIO SOURCE/ OFF BAND F1 = F2 = F3 =AM 3.
  • Page 71 DEH-66DH,46DH Using the Built-in CD Player Basic Operation of Built-in CD Player The built-in CD player plays one standard 12 cm or 8 cm (single) CD at a time. Do not use an adapter when playing 8 cm CD. 1. Insert the disc with the recorded (iridescent) surface down.

  • Page 72: Balance Adjustment

    DEH-66DH,46DH Audio Adjustment Entering the Audio Menu In this menu, you can adjust sound quality such as fader/balance and bass/treble settings. • Select the mode you want to adjust in Audio Menu. TUNER AUDIO AUDIO SOURCE/ OFF BAND Each press Each press changes the Mode ...
  • Page 73 DEH-66DH,46DH Bass/Treble Adjustment This product is equipped with two tone adjustment modes, the Bass (BAS) and Treble (TRE) modes. 1. Select bass mode (BAS) or treble mode (TRE) in the Audio Menu. 2. Increase or decrease the intensity of the bass or treble, whichev- er is selected.
  • Page 74 DEH-66DH,46DH 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 quantizatin bits: 16;...
  • Page 75 DEH-66DH,46DH...

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