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CDX-PD6

7.1.2 DISASSEMBLY

Removing the Extend Unit (Fig. 1)

1. Remove the three screws B, then remove the side

frame and holder.

2. Remove screw C, screw D and PCB from the con-

nector.

3. Straighten the three currently bent claws, then

remove the extend unit.

Removing the CD Mechanism Module (Fig. 2)

1. Remove the three screws A, then remove the

front frame.

2. Remove the three screws B and two screws C,

then remove the damper and holder.

3. Remove the two spring

s, spring

and spring

from the hook, then remove the CD mecha-

nism module.

Removing the Keyboard PCB (Fig. 3)

1. Remove screws A and B, then remove the switch

PCB.

2. Remove the four screws D, then remove the

guide.

3. Remove the three screws C, then remove the key-

board PCB.

– Precautions on Assembly –

Apply spring

(black) to the front

side hook.

Remaining springs

and

are to be

hung on the center hook.

– Precautions on Assembly (Fig. 4) –

When mounting the switch PCB,
lower the white lever so as to prevent
the switch arm from bending.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Holder

Damper

Front Frame

Damper

Holder

Grille

PCB

Removing the Grille Assy (Fig. 1)

1. Remove the two screws A and the connector,

then remove the grille assy.

Removing the upper case (not shown)

1. Remove the five screws, then remove the upper

case.

Extend Unit

Side Frame

CD Mechanism Module

Switch PCB

Guide

Grille Unit

Keyboard PCB

Содержание CDX-PD6

Страница 1: ...Printed in Japan ORDER NO CRT2372 6 5 4 2 1 3 MULTI COMPACT DISC PLAYER CDX PD6 UC Service Manual CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 10 4 PCB CONNECTION DIAGRAM 26 5 ELECTRICAL PARTS LIST 42 6 ADJUSTMENT 46 7 GENERAL INFORMATION 48 7 1 DIAGNOSIS 48 7 1 1 TEST MODE 48 7 1 2 DISASSEMBLY 55 7 2 IC 58 8 OPERATIONS AND SPECIFICATIONS ...

Страница 2: ...t CNC7878 Now you can transport it See the figure below The Bracket used on the CDX PD6 UC is recommended for the transportation purpose CAUTION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified technicians have the necessary test equipment and tools and have been trained to properly and safely repair complex products such a...

Страница 3: ...Screw BMZ50P080FMC 6 Carton CHG3787 7 Contain Box CHL3787 8 Protector CHP2123 9 Cover CEG1177 10 Protector CHP2124 Mark No Description Part No Mark No Description Part No PACKING SECTION PARTS LIST NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to mark on the product are used for disassembly 2 EXPLODED VIEWS AND PARTS LIST 2 1 PAC...

Страница 4: ...4 CDX PD6 2 2 EXTERIOR ...

Страница 5: ...038 29 Spring CBH2200 30 Spring CBH2201 31 Connector CDE5858 32 PCB CNP5281 33 Gear CNV5547 34 Arm CNV5548 35 Guide CNV5818 36 Keyboard Unit CWM6131 37 Connector CN902 CKS3992 38 Connector CN903 CKS3992 39 Connector CN901 CKS4053 40 Bracket Unit CXB3111 41 Grille Unit CXB4000 42 Screw IMS20P040FMC 43 CD Mechanism Module CXK4701 44 Screw IMS20P040FMC 45 Screw IMS26P040FMC 46 Lighting Conductor CNV5...

Страница 6: ...6 CDX PD6 2 3 CD MECHANISM ...

Страница 7: ...CLA3159 48 Roller CLA3160 49 Shaft CLA3179 50 Spacer CLA3194 51 Roller CLA3248 52 Bush CLA3353 53 Shaft CLA3469 54 Shaft CLA3543 55 Steer CNC7215 56 Steer CNC7216 57 Cam CNC7227 58 Holder CNC7235 59 Gear CNC7236 60 Gear CNC7238 61 Lever CNC7243 62 Lever CNC7244 63 Lever CNC7245 64 Lever CNC7246 65 Cover CNC7441 66 Holder CNC8451 67 Lever CNC8024 68 Gear CNC8140 69 Sheet CNM5831 70 PCB CNP4839 71 P...

Страница 8: ...nit CXB4290 148 Tray Assy CXB4307 149 Spring CBH2269 150 151 Cam Motor Assy CXB3170 152 Spacer CNC8289 153 Bracket Unit CXB4165 154 Motor Unit M1 Cam Gear CXB3174 155 Motor Unit M3 ELV CXB3175 156 Screw JFZ20P025FMC 157 Loading Arm L Assy CXB3171 158 Screw CBA1250 159 Screw CBA1453 160 Washer CBF1038 161 162 Washer CBF1074 163 Spring CBH2136 164 Arm CNC7241 165 Arm CNC7827 166 Sheet CNM5691 167 Be...

Страница 9: ...9 CDX PD6 ...

Страница 10: ...IT SERVO UNIT PICKUP UNIT SERVICE MOTOR PCB B E KEYBOARD PCB C 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 1 BLOCK DIAGRAM MOTOR PCB A F G CD CORE UNIT STS UNIT PCB UNIT B H PCB UNIT E I PCB UNIT C J LOAD MOTOR PCB K PCB UNIT D M PCB UNIT A L ...

Страница 11: ...11 CDX PD6 A EXTENDED UNIT ...

Страница 12: ...UNIT STS UNIT KEYBOARD PCB 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 A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page B C ...

Страница 13: ...13 CDX PD6 5 6 7 8 5 6 7 8 D C B A A b A CEK1018 ILL GND BACK UP KEYBOARD UNIT Consists of KEYBOARD PCB SWITCH PCB 1 2W A EXTENDED UNIT ...

Страница 14: ...14 CDX PD6 1 2 3 4 1 2 3 4 D C B A A a A a A b G CD CORE UNIT STS UNIT ...

Страница 15: ...15 CDX PD6 5 6 7 8 5 6 7 8 D C B A A a A a A b B KEYBOARD PCB C SWITCH PCB B C ...

Страница 16: ...16 CDX PD6 1 2 3 4 1 2 3 4 D C B A A b A a A b A EXTENDED UNIT ...

Страница 17: ...17 CDX PD6 5 6 7 8 5 6 7 8 D C B A CEK1018 ILL GND BACK UP KEYBOARD UNIT Consists of KEYBOARD PCB SWITCH PCB 1 2W A b A a A b ...

Страница 18: ... PD6 1 2 3 4 1 2 3 4 D C B A SERVICE M5 SPINDLE CXM1120 DISC INSERT DETECT M4 CARRIAGE CXB3178 2 5V RF AMP AUTO POWER CONTROL CD DRIVER D E MOTOR PCB B CD CORE UNIT SERVO UNIT 3 3 CD CORE UNIT SERVO UNIT D E ...

Страница 19: ...19 CDX PD6 5 6 7 8 5 6 7 8 D C B A 16 934MHz 22 6R3 FOCUS TRACKING CARRIAGE SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D A CONVERTER F D ...

Страница 20: ... M1 CXB3174 Q1 RPI 221 M3 CXB3175 SURE TRACK MEMORY CONTRO 5V REGULATOR 7 5V 9 0V MOTOR DRIVER G F D H LOAD SWITCH DOOR SWITCH MODE SWITCH CD CORE UNIT STS UNIT CD CORE UNIT SERVO UNIT MOTOR PCB A ELV SENSE 3 4 CD CORE UNIT STS UNIT F G ...

Страница 21: ...21 CDX PD6 5 6 7 8 5 6 7 8 D C B A 22 6R3 TRACK RY CONTROLLER RIVER MOTOR DRIVER 4M DRAM D A CONVERTER A CN101 G ...

Страница 22: ... CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Test mode 32 tracks jump FWD 0 5ms div 8 CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Test mode Single jump FWD 0 5ms div 6 CH1 FEY 0 1V div 3 CH2 FIN 0 2V div Normal mode Play 20ms div 3 CH1 FIN 0 5V div 0 CH2 SIN 1V div Normal mode Focus close 0 5s div GND GND GND GND Waveforms 0 SIN 0 5V div 0 1s div Normal mode Play REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT R...

Страница 23: ...2ms div 6 CH1 FEY 0 2V div 3 CH2 FIN 0 5V div Normal mode During AGC 1ms div EFM 1V div 2µs div Play 0 2s div Dout 2V div 5µs div Play LRCK 2V div 10µs div ADRMON 1V div 1s div Normal mode Starting play GND REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT 1 CH1 RFO 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm 500µs div REFOUT REFO...

Страница 24: ... div Test mode 100 tracks jump FWD 8 CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Normal mode Play 10ms div 5ms div REFOUT REFOUT SCKO 2V div 500ns div Play REFOUT CH1 RCH 2V div CH2 LCH 2V div Normal mode PLAY 0dB 1kHz 200µs div AAGND AAGND REFOUT REFOUT ...

Страница 25: ...25 CDX PD6 1 2 3 4 1 2 3 4 D C B A H I J L M K CXB3177 G CN802 SWITCH PCB UNIT A PCB UNIT C PCB UNIT E PCB UNIT B PCB UNIT D LOAD MOTOR PCB 3 5 PCB UNIT A B C D E LOAD MOTOR PCB M J I H K L ...

Страница 26: ...l necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams IP BUS A A EXTENDED UNIT 4 PCB CONNECTION DIAGRAM 4 1 EXTENDED UNIT Capacitor Connector P C Board Chip Part SIDE A SIDE B SIDE A CORD ...

Страница 27: ...27 CDX PD6 1 2 3 4 1 2 3 4 D C B A A G CN701 CN901 B A 12 5 4 3 EXTENDED UNIT SIDE B ...

Страница 28: ...28 CDX PD6 1 2 3 4 1 2 3 4 D C B A 4 2 KEYBOARD PCB B KEYBOARD PCB B A CN701 C CN903 SIDE B SIDE A B KEYBOARD PCB ...

Страница 29: ...29 CDX PD6 1 2 3 4 1 2 3 4 D C B A C C SWITCH PCB B CN902 SIDE B SIDE A C SWITCH PCB 4 3 SWITCH PCB ...

Страница 30: ...30 CDX PD6 1 2 3 4 1 2 3 4 D C B A 4 4 CD CORE UNIT SERVO UNIT CD CORE UNIT SERVO UNIT D E F SIDE A D PICKUP UNIT SERVICE ...

Страница 31: ...31 CDX PD6 1 2 3 4 1 2 3 4 D C B A CD CORE UNIT SERVO UNIT D SIDE B D ...

Страница 32: ...32 CDX PD6 1 2 3 4 1 2 3 4 D C B A 4 5 CD CORE UNIT STS UNIT CD CORE UNIT STS UNIT G H F A CN101 SIDE A G ...

Страница 33: ...33 CDX PD6 1 2 3 4 1 2 3 4 D C B A CD CORE UNIT STS UNIT G SIDE B G ...

Страница 34: ...34 CDX PD6 1 2 3 4 1 2 3 4 D C B A 4 6 MOTOR PCB A M M3 ELV M M1 CAM GEAR Q1 ELV SENSE 1 25 D CN201 MOTOR PCB A F F SIDE A ...

Страница 35: ...35 CDX PD6 1 2 3 4 1 2 3 4 D C B A 1 41 G CN801 MOTOR PCB A F F SIDE B ...

Страница 36: ...36 CDX PD6 1 2 3 4 1 2 3 4 D C B A 4 7 MOTOR PCB B SPINDLE MOTOR M5 MOTOR PCB B E E ...

Страница 37: ...37 CDX PD6 5 6 7 8 5 6 7 8 D C B A M M4 CARRIAGE 1 12 D CN301 E ...

Страница 38: ...38 CDX PD6 1 2 3 4 1 2 3 4 D C B A S887 CLAMP 1 11 1 7 S886 ELV G CN802 I 4 8 PCB UNIT B PCB UNIT B H 4 8 PCB UNIT D PCB UNIT D M H M ...

Страница 39: ...39 CDX PD6 1 2 3 4 1 2 3 4 D C B A 1 4 D883 S885 MAX DETECT Q881 4 10 PCB UNIT C PCB UNIT C J J I ...

Страница 40: ...40 CDX PD6 1 2 3 4 1 2 3 4 D C B A M M2 LOADING 1 1 4 2 I M 4 11 LOAD MOTOR PCB 4 12 PCB UNIT A D891 D892 1 2 LOAD MOTOR PCB K PCB UNIT A L K L I I E ...

Страница 41: ...41 CDX PD6 1 2 3 4 1 2 3 4 D C B A 4 13 PCB UNIT E PCB UNIT E I PCB UNIT E I I SIDE A SIDE B ...

Страница 42: ...RS1 16S102J R 605 RS1 16S222J R 606 RS1 16S222J R 607 RS1 16S222J R 608 RS1 16S222J R 609 RS1 16S222J R 610 RS1 16S222J R 611 RS1 16S561J R 612 RS1 16S561J R 613 RS1 16S561J R 614 RS1 16S561J R 615 RS1 16S102J R 616 RS1 16S473J R 617 RS1 16S183J R 618 RS1 16S222J R 619 RS1 16S0R0J R 620 RS1 16S473J R 621 RS1 16S433J R 622 RS1 16S103J R 640 RS1 16S471J R 641 RS1 16S471J R 642 RS1 16S471J R 643 RS1 ...

Страница 43: ...224K16 C 705 CEV220M6R3 C 706 CKSRYB103K50 C 707 CKSRYB473K16 C 708 CEV4R7M25 C 709 CKSRYB473K16 C 710 CKSRYB473K16 C 711 CKSRYB103K50 C 712 CEV220M16 C 713 CKSRYB473K16 C 714 CEV220M6R3 C 715 CKSRYB473K16 C 720 CKSQYB334K16 C 721 CKSRYB222K50 Keyboard Unit Consists of Keyboard PCB Switch PCB Unit Number CWM6131 Unit Name Keyboard Unit MISCELLANEOUS IC 901 IC BU2092FV D 901 Diode 1SS355 D 902 Diod...

Страница 44: ... 16S471J R 277 RS1 16S471J R 301 RS1 16S103J R 302 RS1 16S153J R 303 RS1 16S103J R 304 RS1 16S273J R 305 RS1 16S103J R 306 RS1 16S752J R 307 RS1 16S103J R 308 RS1 16S103J R 309 RS1 16S471J R 311 RS1 16S471J CAPACITORS C 101 CEV101M6R3 C 102 CKSQYB104K16 C 103 CEV470M6R3 C 104 CKSQYB334K16 C 105 CCSRCH240J50 C 106 CKSRYB222K50 C 107 CEV4R7M35 C 108 CKSRYB273K25 C 109 CCSRCH101J50 C 110 CKSQYB104K16...

Страница 45: ...4K16 C 605 22µF 6 3V CCH1300 C 606 CKSQYB334K16 C 701 22µF 6 3V CCH1300 C 702 CEVL101M6R3 C 703 CKSQYB334K16 C 704 CKSQYB334K16 C 801 CKSQYB104K25 C 802 CKSQYB104K25 C 803 CEVL220M16 Unit Number Unit Name PCB Unit D Q 851 Photo transistor CPT231SXTD Q 852 Photo transistor CPT231SXTD Unit Number Unit Name PCB Unit E R 856 RS1 8S911J R 857 RS1 8S821J Unit Number Unit Name PCB Unit C Q 881 Photo tran...

Страница 46: ...ost track 3 Press key F9 to close focus the display should read 91 Press key F8 to implement the tracking balance adjust ment the display should now read 81 Press key F9 4 times The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence is within 75 Refer to the photographs supplied...

Страница 47: ...47 CDX PD6 Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Страница 48: ...istor for detecting discs at their loading or ejection Thus if its outer case is removed during repair work and internal parts are exposed to light of strong intensity malfunctions including the following can result The eject button becomes inoperable during play Pressing the eject button does not eject a disc and play is continued Loading becomes unavailable If a malfunction is recognized appropr...

Страница 49: ...SEC 02 02 02 2 9X 8X 91 81 4 TR 92 82 10 TR 93 83 32 TR 94 84 100 TR 95 85 CRG Move 96 86 Switching must take place in the following sequence 4 F AGC Gain F AGC Gain F BIAS Setting AGC Gain Current value Initial value x 20 Single TR 4TR 10TR 32TR 100TR Single TR 3 Switching must take place in the following sequence It applies to the CRB Move and 100TR Jump alone Min Sec or Track No 5 Switching mus...

Страница 50: ...e of motors selected Lower order of 1 State of DISC sensing phototransistor and switch 1 CAM motor 2 ELV motor 3 LOAD motor 4 CAM LOAD motor PH1 PH2 MAXSW Display L H L H L H L H L L H H L L H H L L L L H H H H 0 1 2 3 4 5 6 7 L H Phototransistor is OPEN and switch is ON Phototransistor is CLOSE and switch is OFF SEC 1 When ELV motor is selected ELV position is displayed 01 ELV at home position 1s...

Страница 51: ...ally changes through 32 33 23 22 When the disc to be ejected is not identical with the disc being clamped select the F 8 ELVMOTOR 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 ELVMOTOR lower the elevation until the ELV position display becomes 01 1st disc using the TRK Drive the el...

Страница 52: ...ic system Sound skipping Last address memory has been activated Due to scratches stains vibrations servo failure etc The error codes are displayed in the same manner as in the normal mode 3 Display of Operational Status During Setup Status No Contents Protective Action 01 Carriage returning to home position None 02 Carriage moving to inner perimeter 10 second time out failure on home switch 03 Car...

Страница 53: ...from inner perimeter Failure on home switch or carriage move trouble 11 Electricity Focus search error Unable to set a focus Scratches or stains on backside of the disc severe vibrations CD R is not written to the disc it can happen on the backside of the disc 12 Electricity Spindle lock error Spindle lock unavailable sub code unreadable Sub code error Failure on spindle scratches on the disc stai...

Страница 54: ... seconds have elapsed before completing the EJECT operation An error will be indicated if the disc is still caught by the phototransistor after 4 seconds of forced eject 55 HOME SW ON after forced EJECT HOME SW was still at ON position after 4 seconds of forced eject 57 Phototransistor being caught When forced eject was employed for the Bup failure during loading or after forced EJECT ejection an ...

Страница 55: ...and B then remove the switch PCB 2 Remove the four screws D then remove the guide 3 Remove the three screws C then remove the key board PCB Precautions on Assembly Apply spring C black to the front side hook Remaining springs A and B are to be hung on the center hook Precautions on Assembly Fig 4 When mounting the switch PCB lower the white lever so as to prevent the switch arm from bending Fig 1 ...

Страница 56: ...301 4 Remove the Tray holder and the Tray assy See above 5 Rotate the Cam gear motor until the positions of all holes E match then stop the motor The Carriage Mech assy will stop as shown in the Fig 7 When the positions of all holes match they will be completely covered by the Carriage mech assy To rotate the Cam Gear motor see How to remove the Tray assy 6 Unhook the spring A 7 Remove the flexibl...

Страница 57: ...sliding it 4 Remove the feed screw pressure spring D 5 Loosen the 2 screws Remove the feed screw holder E 6 Remove the belt 7 Remove the Pickup unit together with the feed screw Be careful not to lose the shaft holders at the both ends of the feed screw Be careful not to damage the 2 flexible PCBs for the Pickup and motor when separating them The flexi ble PCBs have been stuck each other with doub...

Страница 58: ... I Back up power sense input 23 SBSY I Signal indicating head of subcode block input 24 NC Not used 25 reset I Reset input 26 POWER O 5V power supply control output 27 CONT O Servo driver power supply control output 28 XIN I Crystal oscillating element connection pin 29 XOUT O Crystal oscillating element connection pin 30 VSS GND 31 33 KST1 3 O Key strobe output 34 35 kd kd I Key data input 36 38 ...

Страница 59: ...detector input 65 FOK I FOK signal input 66 EXSCK O Shift clock output 67 EXMODE O Latch clock output 68 EXSO O Serial data output 69 EXCE O Chip enable output 70 ILPOW O Illumination power supply control output 71 VCC Power supply terminal 72 VREF I A D converter reference voltage input 73 AVSS I A D converter GND 74 ADRMON I DRAM memory remaining monitor input 75 EREF I DRAM A D converter refere...

Страница 60: ... storage register 12bit shift register Control circuit BU2092FV 28 27 26 25 PreVcc OPIN4 OPIN4 OPOUT4 24 23 22 OPIN3 OPIN3 OPOUT3 21 20 19 18 GND STBY PowVcc VO3 17 16 15 VO3 VO4 VO4 1 2 3 4 BIAS IN OPIN1 OPIN1 OPOUT1 5 6 7 OPIN2 OPIN2 OPOUT2 8 9 10 11 GND MUTE PowVcc VO2 12 13 14 VO2 VO1 VO1 Stand by Mute Level shift Level shift Level shift Level shift BA5986FM ...

Страница 61: ...fers Timing Generator Column Decoders Write Clock Generator Internal Address Counter Refresh Control Clock Sense Amplifiers I O Selector Output Buffers Input Buffers Row Address Buffers Row Decoders Word Drivers Memory Cells On Chip Vbb Generater 10 10 10 10 4 4 4 4 4 4 4 8 7 6 5 1 2 3 4 reset CD VCC NC int GND NC NC Interrupt signal generate block Reset signal generate block M62007FP ...

Страница 62: ...K WDCI LRCI 31 32 BCKI DATI 48 47 46 45 XOE XCAS D3 D2 44 43 42 41 D0 MCSL C176 VSS 40 39 XTLI D1 38 37 36 35 XTLO OSCE NC MCK 34 33 RFCK XROI 64 63 62 61 XEMP XWIH NC A4 60 59 58 57 A6 A7 A8 VDD 56 55 A3 A5 54 53 52 51 A2 A1 A0 A9 50 49 XWE XRAS Timing controller CPU interface VWA register CK generator WA generator RA generator Remain area calcurator S P P S Status controller Data comparator RAM ...

Страница 63: ...d The unit is in the CD loading standby mode Green Flashing The unit is standing by during ejection of all the CDs Lit Status Flashing Lit Orange Out The currently selected CD A CD is being loaded changed or ejected No CD is loaded Power is switched OFF Disc loading slot CD indicators Buttons 1 6 EJECT button ...

Страница 64: ...r of channels 2 stereo Note Specifications and the design are subject to possi ble modification without notice due to improve ments Connection Diagram Fuse resistor This product Fuse holder To terminal always supplied with power regardless of ignition switch position To vehicle metal body Orange Black ground To lighting switch terminal Yellow IP BUS Blue Head unit sold separately IP BUS input Blue...

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