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Service
Manual
6 DISC IN-DASH CD CHANGER
CDX-MG6346
CDX-MG6446
- This service manual should be used together with the following manual(s):
Model No.
Order No.
CX-890
CRT2376
VEHICLE
DESTINATION
Not specified
THAILAND, AUSTRALIA
Not specified
THAILAND, AUSTRALIA
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
4. PCB CONNECTION DIAGRAM ................................26
5. ELECTRICAL PARTS LIST ........................................42
6. ADJUSTMENT..........................................................46
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 1999
HONDA
CDX-MG6346ZH/ES
Mech. Module
Remarks
G1
CD Mechanism Module:Circuit Description, Mechanism Operation, Disassembly
PRODUCED AFTER
October 1999
October 1999
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
6 DISC IN-DASH CD CHANGER
ZH
ES
HONDA PART No.
ID No. PIONEER MODEL No.
08A06-3B5-300
08A06-3B5-310
7. GENERAL INFORMATION .......................................48
7.1 DIAGNOSIS ........................................................48
7.1.1 TEST MODE ..............................................48
7.1.2 DISASSEMBLY .........................................52
7.1.3
7.2 IC ........................................................................57
8. OPERATIONS AND SPECIFICATIONS.....................61
K-ZZB. OCT. 1999 Printed in Japan
ORDER NO.
CRT2407
ZH
ES
CDX-MG6346ZH/ES
CDX-MG6446ZH/ES
.......56
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Table of Contents
Related Manuals for Pioneer CDX-MG6346ZH/ES
Summary of Contents for Pioneer CDX-MG6346ZH/ES
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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 CORPORATION 1999 K-ZZB. OCT. 1999 Printed in Japan... -
Page 2: Safety Information
CDX-MG6346ZH,MG6446ZH - CD Player Service Precautions - When the Repair is Complete 1. For pickup unit(CXX1311) handling, please refer When the repair is complete, make the CD mechanism to"Disassembly"(see page 52). ready for transportation implementing the following During replacement, handling precautions shall be procedures: taken to prevent an electrostatic discharge(protection by a short pin). -
Page 3: Exploded Views And Parts List
- Screws adjacent to - PACKING SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw Assy CEA2537 11 Carton CHG3909 (CDX-MG6346ZH/ES) 2 Polyethylene Bag CEG-127 Carton CHG3991 (CDX-MG6446ZH/ES) 3 Screw HMF40P060FZK 12 Contain Box CHL3909... - Page 4 CDX-MG6346ZH,MG6446ZH 2.2 EXTERIOR...
- Page 5 2 Screw BMZ26P030FMC 30 Spring CBH2200 3 Screw BMZ26P060FMC 31 Conductor CNC8051 4 Chassis Unit CXB3407 32 Lighting Conductor CNV5901 (CDX-MG6346ZH/ES) Chassis Unit CXB5581 33 Gear CNV5547 (CDX-MG6446ZH/ES) 5 Case CNB2354 34 Arm CNV5548 6 Side Frame CNB2397 35 Guide...
- Page 6 CDX-MG6346ZH,MG6446ZH 2.3 CD MECHANISM...
- Page 7 CDX-MG6346ZH,MG6446ZH - CD MECHANISM SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1-9 ••••• 54 Shaft CLA3693 10 CD Core Unit(Servo Unit) CWX2202 55 Steer CNC7215 11 Connector(CN101) CKS2764 56 Steer CNC7216 12 Connector(CN301) CKS3966 57 Cam CNC7227 13 Connector(CN201)
- Page 8 CDX-MG6346ZH,MG6446ZH Mark No. Description Part No. Mark No. Description Part No. 99 Frame Unit CXB2702 144 Screw JFZ14P020FZK 100 Lever Unit CXB2703 145 Washer YE15FUC 101 Arm Unit CXB2704 146 Arm Unit CXB4953 102 Lever Unit CXB2708 147 Arm Unit CXB4954 103 Lever Unit CXB2709...
- Page 9 CDX-MG6346ZH,MG6446ZH Mark No. Description Part No. 189 LED(D891,892) CL202IRXTU 190 Switch(S887 CLAMP) CSN1051 191 Switch(S886 ELV HOME) CSN1052 192 Bracket Unit CXB4306 CPT230SCTD(CD) Photo-transistor(Q851,852) 194 Resistor(R856) RS1/8S911J 195 Resistor(R857) RS1/8S821J 196 Photo-interrupter(Q1) RPI-221 197 ••••• 198 Pickup Unit(Service)(P8) CXX1311...
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Page 10: Block Diagram And Schematic Diagram
CDX-MG6346ZH,MG6446ZH 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM CD CORE UNIT(SERVO UNIT) PICKUP UNIT(SERVICE) CD CORE UNI CN101 RF AMP CN201 CN801 IC201 IC101 UPD63702AGF Q101 UPC2572GS SHOCKPROOF HOLOGRAM CONTROL UNIT WDCK DIGITAL SERVO RFCK Q102 RAOV IC501 PROCESSOR FOCUS ACT LRCK... - Page 11 CDX-MG6346ZH,MG6446ZH RE UNIT(STS UNIT) EXTENSION UNIT 8fs DF D/A LPF ANALOG SWITCH CN101 CN701 CN102 CD MUTE IC601 IC101 IC103 CD-LCH DATA AK4321VF NJM4558MD TC74HC4066AF Q101 LRCK NHOUT BUS+ IC501 XTLI BUS- NHPOW DEMO CA0008AM Q104 Q701 ASENS SWDACC VD REGULATOR Q751 Q754 9 10 14...
- Page 12 CDX-MG6346ZH,MG6446ZH 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”. CD CORE UNIT(STS UNIT) Large size SCH diagram Guide page Detailed page KEYBOARD UNIT...
- Page 13 CDX-MG6346ZH,MG6446ZH EXTENSION UNIT...
- Page 14 CDX-MG6346ZH,MG6446ZH...
- Page 15 CDX-MG6346ZH,MG6446ZH...
- Page 16 CDX-MG6346ZH,MG6446ZH...
- Page 17 CDX-MG6346ZH,MG6446ZH...
- Page 18 CDX-MG6346ZH,MG6446ZH 3.2 CD CORE UNIT(SERVO UNIT) CD CORE UNIT(SERVO UNIT) RF AMP/ AUTO POWER CONTROL (SERVICE) 2.5V CD DRIVER MOTOR PCB(B) M4 CARRIAGE CXB3178 DISC INSERT DETECT M5 SPINDLE CXM1120...
- Page 19 CDX-MG6346ZH,MG6446ZH FOCUS/TRACKING CARRIAGE/SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D/A CONVERTER 16.934MHz...
- Page 20 CDX-MG6346ZH,MG6446ZH 3.3 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SURE TRACK MEMORY CONTRO M1 : CXB3174 ELV SENSE Q1 : RPI-221 +5V REGULATOR M3 : CXB3175 MOTOR PCB 7.5V 9.0V MOTOR DRIVER LOAD SWITCH DOOR SWITCH MODE SWITCH...
- Page 21 CDX-MG6346ZH,MG6446ZH 22/6R3 D/A CONVERTER TRACK RY CONTROLLER 4M DRAM RIVER MOTOR DRIVER...
- Page 22 CDX-MG6346ZH,MG6446ZH Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFOUT:2.5V - Waveforms 1 RFO 1 RFO 1 CH1: RFO 0.5V/div. 0.2µs/div. 0.5V/div. 0.5µs/div. 1V/div. 0.5ms/div. 2 CH2: MIRR Normal mode: play Test mode 5V/div. Normal mode: The defect part passes 500µs/div.
- Page 23 CDX-MG6346ZH,MG6446ZH 3 CH1: FIN 1V/div. 8 CH1: TEY 8 CH1: TEY 0.5V/div. 0.5V/div. 5ms/div. 0.2s/div. 500µs/div. $ CH2: HOLD 6 CH2: FEY ! CH2: SD 5V/div. 0.1V/div. 0.5V/div. µ Normal mode: The defect part passes 800 Normal mode: AGC after focus close REFOUT→...
- Page 24 CDX-MG6346ZH,MG6446ZH 8 CH1: TEY 8 CH1: TEY 0.5V/div. 0.5V/div. & SCKO 2V/div. 500ns/div. 10ms/div. 5ms/div. 9 CH2: TIN 9 CH2: TIN 0.5V/div. 0.5V/div. Test mode: 100 tracks jump(FWD) Normal mode: Play Play REFOUT→ REFOUT→ REFOUT→ REFOUT→ REFOUT→ ) CH1: RCH 2V/div.
- Page 25 CDX-MG6346ZH,MG6446ZH 3.4 PCB UNIT(A,B,C,D,E), LOAD MOTOR PCB PCB UNIT(B) PCB UNIT(E) PCB UNIT(C) CPT230SCTD(CD) SWITCH PCB UNIT(A) CN802 CPT230SCTD(CD) CXB3177 PCB UNIT(D) LOAD MOTOR PCB...
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Page 26: Pcb Connection Diagram
CDX-MG6346ZH,MG6446ZH 4. PCB CONNECTION DIAGRAM SIDE A 4.1 EXTENSION 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 dia- gram. - Page 27 CDX-MG6346ZH,MG6446ZH SIDE B CN901 CN701...
- Page 28 CDX-MG6346ZH,MG6446ZH 4.2 KEYBOARD UNIT SIDE A...
- Page 29 CDX-MG6346ZH,MG6446ZH SIDE B...
- Page 30 CDX-MG6346ZH,MG6446ZH 4.3 CD CORE UNIT(SERVO UNIT) SIDE A...
- Page 31 CDX-MG6346ZH,MG6446ZH SIDE B...
- Page 32 CDX-MG6346ZH,MG6446ZH 4.4 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SIDE A...
- Page 33 CDX-MG6346ZH,MG6446ZH SIDE B CD CORE UNIT(STS UNIT)
- Page 34 CDX-MG6346ZH,MG6446ZH 4.5 MOTOR PCB(B) SPINDLE MOTOR MOTOR PCB(B)
- Page 35 CDX-MG6346ZH,MG6446ZH CN301 CARRIAGE...
- Page 36 CDX-MG6346ZH,MG6446ZH SIDE A 4.6 MOTOR PCB(A) MOTOR PCB(A) M1 CAM GEAR M3 ELV ELV SENSE CN201...
- Page 37 CDX-MG6346ZH,MG6446ZH SIDE B MOTOR PCB(A) CN801...
- Page 38 CDX-MG6346ZH,MG6446ZH 4.8 PCB UNIT(B) 4.7 PCB UNIT(D) PCB UNIT(D) S886 S887 CLAMP PCB UNIT(B) CN802...
- Page 39 CDX-MG6346ZH,MG6446ZH 4.9 PCB UNIT(E) PCB UNIT(E) PCB UNIT(E) SIDE A SIDE B...
- Page 40 CDX-MG6346ZH,MG6446ZH 4.10 PCB UNIT(C) Q881 PCB UNIT(C) S885 MAX DETECT D883...
- Page 41 CDX-MG6346ZH,MG6446ZH 4.11 LOAD MOTOR PCB LOAD MOTOR PCB LOADING 4.12 PCB UNIT(A) PCB UNIT(A) D891 D892...
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Page 42: Electrical Parts List
CDX-MG6346ZH,MG6446ZH 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 43 CDX-MG6346ZH,MG6446ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S102J RS1/16S511J RS1/16S471J RS1/16S561J RS1/16S471J RS1/16S103J RS1/16S331J RS1/16S273J RS1/16S331J CAPACITORS RS1/16S331J RS1/16S331J CEV4R7M35 RS1/16S331J CEV4R7M35 RS1/16S471J CEV4R7M35 RS1/16S471J CEV4R7M35 CCSRCH101J50 RS1/16S471J RS1/16S471J...
- Page 44 CDX-MG6346ZH,MG6446ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CL200PGCTU RS1/16S222J CL150DCD(AB) RS1/16S103J CL200PGCTU RS1/16S103J CL150DCD(AB) RS1/16S102J Diode UDZ2R7(B) RS1/16S163J Diode UDZ2R7(B) RS1/16S163J Switch CSG1043 RS1/16S101J Switch CSG1043 RS1/16S101J Switch CSG1043...
- Page 45 CDX-MG6346ZH,MG6446ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB471K50 CKSQYB334K16 CKSQYB683K16 CCSRCH221J50 CKSRYB821K50 CKSQYB334K16 CKSRYB273K25 CKSQYB334K16 CKSQYB334K16 22µF/6.3V CCH1300 CKSQYB334K16 CKSQYB334K16 CKSQYB334K16 22µF/6.3V CCH1300 22µF/6.3V CCH1300 CEVL101M6R3 CEV101M10 CKSQYB334K16 CEV101M10...
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Page 46: Adjustment
CDX-MG6346ZH,MG6446ZH 6. ADJUSTMENT 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 47 CDX-MG6346ZH,MG6446ZH Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...
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Page 48: General Information
CDX-MG6346ZH,MG6446ZH 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - CD Test Mode 2) Description of the Test Mode 1) Precautions on Adjustment • The unit employs a single voltage (+5V) for the regu- Adjustment of this unit is done in parallel with the CD lator, thus the reference potential of the signal is control unit (DEH-M7126ZH or a head unit conforming RFOUT (approximately 2.5V) rather than GND. - Page 49 • When ACC or Back up is off, the test mode is canceled. Note: The GA-NET BUS head unit(made by Pioneer) must be employed for controlling the test mode. Note: Sound is unavailable even after the tracking has been closed (this trouble results when the IC for the STS is not controlled in the test mode).
- Page 50 CDX-MG6346ZH,MG6446ZH - CD Changer Mechanism Flowchart [Key] [4]+[6]+Reset Test Mode In Contents Display [CD]or[DISC] Source CD [ASEL] Mechanism Test In CD Test Mode CD Test Mode Initial State [ASEL] [TRK-] [TRK+] CAM+LOAD MOTOR Mecha Test Out CAM MOTOR ELV MOTOR LOAD MOTOR MOTOR FWD drive MOTOR REV drive...
- Page 51 CDX-MG6346ZH,MG6446ZH - Operating Procedures for Ejecting a Clamped Disc Select CAM MOTOR using [1], then press the REV direction while the disc is being clamped (CAMSW state is 32). The CAMSW status indication sequentially changes through 32→33→23→22. When the disc to be ejected is not identical with the disc being clamped, select the [2] ELV MOTOR in the vicinity of where the display changes from 22 to 20, then match the elevation to the disc to be ejected according to the following procedures: After selecting ELV MOTOR, lower the elevation until the ELV position display becomes 01 (1st disc) using the REV direction.
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Page 52: Disassembly
CDX-MG6346ZH,MG6446ZH 7.1.2 DISASSEMBLY - Removing the upper case (not shown) 1. Remove the five screws, then remove the upper case. - Removing the Extension Unit (Fig. 1) 1. Remove the three screws B, then remove the side frame and holder. 2. - Page 53 CDX-MG6346ZH,MG6446ZH - How to remove the Tray Assy 3. Lift up the Tray assy to remove it. 1. Apply about 6V current to the Cam gear motor until * Be careful not to remove the Tray hooks from the Tray all holes match at the position (A) (elevation OK posi- assy.
- Page 54 CDX-MG6346ZH,MG6446ZH 10. Remove the screw, pressure spring and collar. Lift Screw up the Carriage mechanism assy to remove it. Pressure spring * Screw tightening torque: 2.6kgfcm Collar Carriage mecha- nism Assy Fig. 7 - How to remove the Pickup unit Pulling spring E-shaped ring 1.
- Page 55 CDX-MG6346ZH,MG6446ZH 8. Loosen the 2 screws. Remove the plate spring and the rack. Grease (Yellow: 9. Pull out the feed screw from the Pickup unit. PG-641) Plate spring Rack Feed screw Grease (White: KD-1) Grease (Yellow: PG-641) Pickup unit Fig. 10...
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Page 56: Connector Function Description
CDX-MG6346ZH,MG6446ZH 7.1.3 CONNECTOR FUNCTION DESCRIPTION Lch+ Rch+ AGND SWDACC B.UP Lch- Rch- 10 BUS GND 11 BUS- 12 BUS+ 13 ILL 14 NC... - Page 57 CDX-MG6346ZH,MG6446ZH 7.2 IC - Pin Functions (PD5540A) Pin No. Pin Name Function and Operation VDIN VD power supply sensor input DOORSW Door open position sense input NHIN NH-BUS dada input NHOUT NH-BUS dada output CLAMPSW Disk clamp sense input ELHOME Elevation sense input XSCK LSI clock output...
- Page 58 CDX-MG6346ZH,MG6446ZH Pin No. Pin Name Function and Operation EXCE Chip enable output ILPOW Illumination power supply control output Power supply terminal VREF A/D converter reference voltage input AVSS A/D converter GND ADRMON DRAM memory remaining monitor input EREF DRAM A/D converter reference voltage input 76-78 PH1-3 Disc photo sense input...
- Page 59 CDX-MG6346ZH,MG6446ZH BA5986FM Mute Level shift Level shift Level shift Level shift Stand-by MSM514400DP-60TS...
- Page 60 CDX-MG6346ZH,MG6446ZH CXD2511R XRDE XEMP XQOK XWIH XSOE SDTO SDTI DATA LRCK WDCK WDCI LRCI DATI XRAS BCKI...
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Page 61: Operations And Specifications
CDX-MG6346ZH,MG6446ZH 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS EXPLANATION OF THE HAND MARKS Press momentarily. Press and hold for at least 3 seconds. 3SEC The CD Changer operates with the same controls used for the audio system. For oper- LOADING THE CD (1 of 2) ation, refer to the audio system section of the Owner’s Manual for your radio. - Page 62 CDX-MG6346ZH,MG6446ZH SELECTING A CD Press one of the buttons (1–6) to select a desired CD for play. Flashes orange • Green LED indicates CDs are stored and orange LED indicates currently selected 6 DISC IN-DASH CD CHANGER • While CDs are being changed, the LED flashes orange until CD changing has been completed, then it lights orange.
- Page 63 CDX-MG6346ZH,MG6446ZH This product is equipped with two illumination colors, white and orange. ILLUMINATION You can select the desired illumination color. The illumination color changes each time you press and hold the eject Eject Button button for 3 seconds or longer. 6 DISC IN-DASH CD CHANGER 3SEC 8.2 SPECIFICATIONS...