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Pioneer CDX-MG6346ZH Servise Manual
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Pioneer CDX-MG6346ZH Servise Manual

Pioneer CDX-MG6346ZH Servise Manual

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3 7 63 1515 0
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
TE
L 13942296513
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
www
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
Mech. Module
Remarks
G1
CD Mechanism Module:Circuit Description, Mechanism Operation, Disassembly
PRODUCED AFTER
October 1999
October 1999
x
ao
u163
y
i
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
http://www.xiaoyu163.com
2 9
8
HONDA
CDX-MG6346ZH/ES
6 DISC IN-DASH CD CHANGER
ZH
Q Q
3
6 7
1 3
1 5
HONDA PART 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
co
8. OPERATIONS AND SPECIFICATIONS.....................61
.
9 4
2 8
ORDER NO.
CRT2407
ZH
ES
0 5
8
2 9
9 4
2 8
ID No. PIONEER MODEL No.
CDX-MG6346ZH/ES
CDX-MG6446ZH/ES
m
K-ZZB. OCT. 1999 Printed in Japan
9 9
ES
9 9
.......56

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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 http://www.xiaoyu163.com...

  • Page 2: Safety Information

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 - 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...

  • Page 3: Exploded Views And Parts List

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING L 13942296513 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.
  • Page 4 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 5 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 - EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BMZ20P020FMC 29 Spring CBH2201 2 Screw BMZ26P030FMC 30 Spring CBH2200 3 Screw BMZ26P060FMC 31 Conductor CNC8051...
  • Page 6 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 2.3 CD MECHANISM L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 - 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...
  • Page 8 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 9 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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 •••••...

  • Page 10: Block Diagram And Schematic Diagram

    CDX-MG6346ZH,MG6446ZH 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 7 63 1515 0 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...
  • Page 11 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 12 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 13 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 EXTENSION UNIT L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 14 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 15 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 16 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 17 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 18 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 3.2 CD CORE UNIT(SERVO UNIT) CD CORE UNIT(SERVO UNIT) RF AMP/ AUTO POWER CONTROL (SERVICE) 2.5V L 13942296513 CD DRIVER MOTOR PCB(B) M4 CARRIAGE CXB3178 DISC INSERT DETECT u163 M5 SPINDLE CXM1120 http://www.xiaoyu163.com...
  • Page 19 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 FOCUS/TRACKING CARRIAGE/SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D/A CONVERTER L 13942296513 16.934MHz u163 http://www.xiaoyu163.com...
  • Page 20 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 3.3 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SURE TRACK MEMORY CONTRO L 13942296513 M1 : CXB3174 ELV SENSE Q1 : RPI-221 +5V REGULATOR M3 : CXB3175 MOTOR PCB 7.5V 9.0V MOTOR DRIVER...
  • Page 21 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 22/6R3 D/A CONVERTER TRACK RY CONTROLLER 4M DRAM L 13942296513 RIVER MOTOR DRIVER u163 http://www.xiaoyu163.com...
  • Page 22 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 23 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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 3 7 63 1515 0 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→...
  • Page 25 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 26: Pcb Connection Diagram

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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 3 7 63 1515 0 SIDE B CN901 L 13942296513 CN701 u163 http://www.xiaoyu163.com...
  • Page 28 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 4.2 KEYBOARD UNIT SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 29 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 30 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 4.3 CD CORE UNIT(SERVO UNIT) SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 31 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 32 CDX-MG6346ZH,MG6446ZH 4.4 CD CORE UNIT(STS UNIT) 3 7 63 1515 0 CD CORE UNIT(STS UNIT) SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 33 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 SIDE B CD CORE UNIT(STS UNIT) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 34 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 4.5 MOTOR PCB(B) SPINDLE MOTOR MOTOR PCB(B) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 35 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 CN301 L 13942296513 u163 CARRIAGE http://www.xiaoyu163.com...
  • Page 36 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 SIDE A 4.6 MOTOR PCB(A) MOTOR PCB(A) M1 CAM GEAR M3 ELV ELV SENSE L 13942296513 CN201 u163 http://www.xiaoyu163.com...
  • Page 37 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 SIDE B MOTOR PCB(A) L 13942296513 u163 CN801 http://www.xiaoyu163.com...
  • Page 38 CDX-MG6346ZH,MG6446ZH 4.8 PCB UNIT(B) 4.7 PCB UNIT(D) 3 7 63 1515 0 PCB UNIT(D) S886 S887 CLAMP PCB UNIT(B) L 13942296513 u163 CN802 http://www.xiaoyu163.com...
  • Page 39 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 4.9 PCB UNIT(E) PCB UNIT(E) PCB UNIT(E) SIDE A SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 40 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 4.10 PCB UNIT(C) Q881 PCB UNIT(C) S885 MAX DETECT L 13942296513 D883 u163 http://www.xiaoyu163.com...
  • Page 41 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 4.11 LOAD MOTOR PCB LOAD MOTOR PCB LOADING L 13942296513 4.12 PCB UNIT(A) PCB UNIT(A) D891 D892 u163 http://www.xiaoyu163.com...

  • Page 42: Electrical Parts List

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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..
  • Page 43 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 =====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...
  • Page 44 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 =====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)
  • Page 45 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 =====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...

  • Page 46: Adjustment

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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 3 7 63 1515 0 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° L 13942296513 75° 90° u163 http://www.xiaoyu163.com...

  • Page 48: General Information

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - CD Test Mode 1) Precautions on Adjustment 2) Description of the Test Mode • The unit employs a single voltage (+5V) for the regu-...
  • 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 3 7 63 1515 0 - 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...
  • Page 51 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 - 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.

  • Page 52: Disassembly

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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.

  • Page 53: Http://Www.xiaoyu163.Com 6

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 - 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: Http://Www.xiaoyu163.Com

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 55 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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)

  • Page 56: Connector Function Description

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 7.1.3 CONNECTOR FUNCTION DESCRIPTION L 13942296513 Lch+ Rch+ AGND SWDACC B.UP Lch- Rch- 10 BUS GND 11 BUS- 12 BUS+ 13 ILL 14 NC u163 http://www.xiaoyu163.com...
  • Page 57 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 58 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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...
  • Page 59 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 BA5986FM Mute Level shift Level shift Level shift Level shift Stand-by L 13942296513 MSM514400DP-60TS u163 http://www.xiaoyu163.com...
  • Page 60 CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 CXD2511R XRDE XEMP XQOK XWIH XSOE SDTO SDTI DATA L 13942296513 LRCK WDCK WDCI LRCI DATI XRAS BCKI u163 http://www.xiaoyu163.com...

  • Page 61: Operations And Specifications

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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: Selecting A Cd

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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 •...

  • Page 63: Http://Www.xiaoyu163.Com

    CDX-MG6346ZH,MG6446ZH 3 7 63 1515 0 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.

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