Pioneer CDX-MG6047ZH Скачать руководство пользователя страница 56 | Manualshive

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CDX-MG6047ZH/UC

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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 mechanism

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. Changing the PU unit is thus best considered as a last resort. However, if the
the PU unit must be changed, the grating should be checked using the procedure below.

•

Purpose :

To check that the grating is within an acceptable range when the PU unit is changed.

•

Symptoms of Mal-adjustment :

If the grating is off by a large amount symptoms such as being unable to close tracking, being unable to perform

track search operations, or taking a long time for track searching.

•

Method :

• Measuring Equipment

• Oscilloscope, Two L.P.F.

• Measuring Points

E, F, REFOUT

• Disc

• TCD-784

• Mode

• TEST MODE

•

Checking Procedure

1. In test mode, load the disc and switch the 5V regulator on.
2. Using the

FF

and

REV

buttons, move the PU unit to the innermost track.

3. Press key

1

to close focus, the display should read "91". Press key

ASEL

to implement the tracking balance adjust-

ment the display should now read "81". Press key

1

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 to determine the phase angle.

5. If the phase difference is determined to be greater than 75

°

try changing the PU unit to see if there is any

improvement. If, after trying this a number of times, the grating angle does not become less than 75

°

then the

mechanism should be judged to be at fault.

•

Note

Because of eccentricity in the disc and a slight misalignment of the clamping center the grating waveform may be

seen to "wobble" ( the phase difference changes as the disc rotates). The angle specified above indicates the
average angle.

•

Hint

Reloading the disc changes the clamp position and may decrease the "wobble".

100k

Ω

390pF

100k

Ω

390pF

E

REFOUT

F

Xch

Ych

Oscilloscope

L.P.F.

L.P.F.

E

F

REFOUT

REFOUT

CD CORE UNIT(SERVO UNIT)

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Содержание CDX-MG6047ZH

Страница 1: ...l s VEHICLE DESTINATION PRODUCED AFTER OEM PARTS No ID No PIONEER MODEL No PILOT U S A August 2004 39110 S9V A110 M1 CDX MG6047ZH UC PILOT U S A August 2004 39110 S9V A210 M1 CDX MG6147ZH UC Model No Order No Mech Module Remarks CX 890 CRT2376 G1 CD Mech Module Circuit Description Mech Description Disassembly To operate this product a 14 pin H BUS head unit is required When performing adjustments ...

Страница 2: ...lifornia to cause cancer birth defects or other reproductive harm Health Safety Code Section 25249 6 Proposition 65 repair warranty trying to do so state Service Precaution 1 You should conform to the regulations governing the product safety radio and noise and other regulations and should keep the safety during servicing by following the safety instructions described in this manual 2 Never attemp...

Страница 3: ...de the product Please check that neither solder debris nor screws remain inside the product 8 There should be no semi broken wires scratches melting etc on the coating of the power cord Damaged power cords may lead to fire accidents so please be sure that there are no damages If you find a damaged power cord please exchange it with a suitable one 9 There should be no spark traces or similar marks ...

Страница 4: ...4 1 EXTENSION UNIT 30 4 2 KEYBOARD UNIT 32 4 3 CD CORE UNIT SERVO UNIT 34 4 4 CD CORE UNIT STS UNIT 36 4 5 MOTOR PCB B 38 4 6 MOTOR PCB A 40 4 7 PCB UNIT D AND PCB UNIT B 42 4 8 PCB UNIT E 43 4 9 PCB UNIT C 44 4 10 LOAD MOTOR PCB AND PCB UNIT A 45 5 ELECTRICAL PARTS LIST 46 6 ADJUSTMENT 51 6 1 TEST MODE 51 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 56 7 GENERAL INFORMATION 58 7 1 DIAG...

Страница 5: ...umption 1 5 A max Dimensions chassis size 180 W 50 H 168 D mm 7 1 8 W 2 H 6 5 8 D in Weight 1 6 kg 3 5 lbs CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Frequency characteristics 20 20 000 Hz Signal to noise ratio 92 dB 1kHz IHF A network Dynamic range 92 dB 1kHz Number of channels 2 stereo ...

Страница 6: ...rked by are generally unavailable because they are not in our Master Spare Parts List Screw adjacent to mark on the product are used for disassembly For the applying amount of lobricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate ...

Страница 7: ...he same except for the following Mark No Description Part No 1 Carton See Contrast table 2 2 Contain Box See Contrast table 2 3 Protector CHP2123 4 Protector CHP2124 5 Protector CHP2435 6 Polyethylene Bag E36 609 Mark No Description Part No Mark NO Description CDX MG6047ZH UC CDX MG6147ZH UC 1 Carton CHG5268 CHG5269 2 Contain Box CHL5268 CHL5269 ...

Страница 8: ...CDX MG6047ZH UC 8 1 2 3 4 1 2 3 4 C D F A B E 2 2 EXTERIOR ...

Страница 9: ...rast table 2 24 Button EJECT See Contrast table 2 25 Door CAT2587 26 Washer CBF1038 27 Spring CBH2200 28 Spring CBH2793 29 Conductor CND2203 30 Cushion CNM9229 31 PCB CNP5373 32 Gear CNV5547 33 Arm CNV5548 34 Guide CNV5880 35 Lighting Conductor CNV8067 36 Keyboard Unit CWM9467 37 Connector CN901 CKS3785 38 Bracket Unit CXB3111 39 Grille Unit See Contrast table 2 40 Screw IMS20P040FTC 41 Chassis Un...

Страница 10: ...CDX MG6047ZH UC 10 1 2 3 4 1 2 3 4 C D F A B E 2 3 CD MECHANISM E F C K L I H G D J GEM1024 GEM1035 1 2 1 2 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 2 2 2 2 2 1 2 2 2 2 1 141 49 145 22 22 ...

Страница 11: ...oller CLA3159 48 Roller CLA3160 49 Shaft CLA3179 50 Spacer CLA3194 51 Roller CLA3248 52 Bush CLA3353 53 Shaft CLA3469 54 Shaft CLA3693 55 Steer CNC7215 56 Steer CNC7216 57 Cam CNC8774 58 Holder CNC7235 59 Gear CNC7236 60 Gear CNC9512 61 Lever CNC7243 62 Lever CNC7244 63 Lever CNC7245 64 Lever Unit CXB4944 65 Cover CNC7441 66 Holder Unit CXB4946 67 Lever CNC9088 68 Gear CNC8140 69 Sheet CNM6840 70 ...

Страница 12: ...it CXB4165 154 Motor Unit M1 Cam Gear CXC1392 155 Motor Unit M3 ELV CXC1386 156 Screw JFZ20P025FTC Mark No Description Part No 157 Loading Arm L Assy CXC2575 158 Load Arm L Assy Service CXX1747 159 Screw M2x1 9 CBA1453 160 Washer CBF1038 161 Load Arm R Assy Service CXX1748 162 Washer CBF1074 163 Spring CBH2690 164 Arm CNC7241 165 Arm CXC2573 166 Holder CBL1508 167 Belt CNT1079 168 Holder CNV5055 1...

Страница 13: ...CDX MG6047ZH UC 13 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 14: ...XWRE XRDE XQOK XWIH XEMP ADRMON CHDT V 5V IC 701 BA05SFP 5V REGULATOR VM VD PO C E 4 2 1 XAO XSTB XSO XSI XSCK XRST SCONT ELV LOAD DOO MOD S801 S802 S803 MOTOR DRIVER IC 802 LB1836M 2 6 3 5 ELVSNS MOTOR DRIVER LB1836M IC 801 2 6 13 9 5 3 12 10 CG CG EL EL MAX PVD LO LO PVD PVD Q801 VD Q802 LOAD ELH CL CLAMP ELHOME CN802 M BCL SPINDLE MOTOR CARRIAGE MOTOR HOME SWITCH EC VM VCC ST SR GND HOME M LOAD...

Страница 15: ...2 PH1 LOAD ELHOME CLAMPSW 26 79 17 2 18 62 61 60 59 58 57 78 77 76 55 6 5 DCLOSE EJECTKEY ILL1 ILL2 INDICATOR EXSO EXSCK DATA CLK 40 14 37 36 70 68 66 67 Q726 Q705 Q706 Q707 Q703 Q712 GND CN701 CN901 CN103 KEY DATA DOOR DOORSW ILPOW ILPOW EJECT EJECT ILL1 ILL1 ILL2 ILL2 ILL ILL VDD VDD DATA CLK MODE RIVER 901 92FV Q905 20 2 3 4 H BUS 13P 9 43 42 16 12 41 50 1 2 3 45 44 40 47 46 49 48 4 5 6 39 7 8 ...

Страница 16: ...2 OVERALL CONNECTION DIAGRAM GUIDE PAGE A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A B D CN701 B KEYBOARD UNIT ...

Страница 17: ...for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors ...

Страница 18: ...CDX MG6047ZH UC 18 1 2 3 4 1 2 3 4 C D F A B E 1 2 3 A a A b A a A a A b D CN701 ...

Страница 19: ...CDX MG6047ZH UC 19 5 6 7 8 5 6 7 8 C D F A B E 4 5 6 A a A b A a A a A b B B KEYBOARD UNIT ...

Страница 20: ...CDX MG6047ZH UC 20 1 2 3 4 1 2 3 4 C D F A B E 1 2 3 A a A b A b A CONTROL UNIT ...

Страница 21: ...r resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors ...

Страница 22: ...2 1 2 3 4 1 2 3 4 C D F A B E 3 3 CD CORE UNIT SERVO UNIT C E PU UNIT SERVICE P8 M5 SPINDLE CXM1279 DISC INSERT DETECT M4 CARRIAGE CXC1389 2 5V RF AMP AUTO POWER CONTROL CD DRIVER C E MOTOR PCB B CD CORE UNIT SERVO UNIT ...

Страница 23: ...CDX MG6047ZH UC 23 5 6 7 8 5 6 7 8 C D F A B E C 16 934MHz 22 6R3 FOCUS TRACKING CARRIAGE SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D A CONVERTER F ...

Страница 24: ... C D F A B E 3 4 CD CORE UNIT STS UNIT D F M1 Q1 RPI 221 M3 SURE TRACK MEMORY CONTROLLER 5V REGULATOR 7 5V 9 0V MOTOR DRIVER D F C H LOAD SWITCH DOOR SWITCH MODE SWITCH CD CORE UNIT STS UNIT CD CORE UNIT SERVO UNIT MOTOR PCB A ELV SENSE ...

Страница 25: ...CDX MG6047ZH UC 25 5 6 7 8 5 6 7 8 C D F A B E D 22 6R3 URE TRACK MEMORY CONTROLLER OR DRIVER MOTOR DRIVER 4M DRAM D A CONVERTER A CN101 ...

Страница 26: ...us close 1ms div 8 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 REFO...

Страница 27: ...ose Tracking open 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 500...

Страница 28: ...div 9 CH2 TIN 0 5V 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 29: ...29 5 6 7 8 5 6 7 8 C D F A B E 3 5 PCB UNIT A B C D E LOAD MOTOR PCB K L I J G H H I J L G K CXC1388 D CN802 MAX DETECT SWITCH PCB UNIT A PCB UNIT C PCB UNIT E PCB UNIT B PCB UNIT D LOAD MOTOR PCB CPT231SCTD CPT231SCTD ...

Страница 30: ...CDX MG6047ZH UC 30 1 2 3 4 1 2 3 4 C D F A B E 4 PCB CONNECTION DIAGRAM 4 1 EXTENSION UNIT A A CONTROL UNIT SIDE A CORD ...

Страница 31: ...CDX MG6047ZH UC 31 5 6 7 8 5 6 7 8 C D F A B E A A CONTROL UNIT SIDE B 3 2 1 3 2 1 1 5 3 4 2 D CN701 B CN901 ...

Страница 32: ...CDX MG6047ZH UC 32 1 2 3 4 1 2 3 4 C D F A B E 4 2 KEYBOARD UNIT B B KEYBOARD UNIT SIDE A A CN701 DOORSW 6 5 4 3 2 1 EJECT ...

Страница 33: ...CDX MG6047ZH UC 33 5 6 7 8 5 6 7 8 C D F A B E B B KEYBOARD UNIT SIDE B ...

Страница 34: ...CDX MG6047ZH UC 34 1 2 3 4 1 2 3 4 C D F A B E 4 3 CD CORE UNIT SERVO UNIT SIDE A C C CD CORE UNIT SERVO UNIT F PICKUP UNIT SERVICE E ...

Страница 35: ...CDX MG6047ZH UC 35 5 6 7 8 5 6 7 8 C D F A B E C C CD CORE UNIT SERVO UNIT SIDE B ...

Страница 36: ...CDX MG6047ZH UC 36 1 2 3 4 1 2 3 4 C D F A B E 4 4 CD CORE UNIT STS UNIT D D CD CORE UNIT STS UNIT SIDE A A CN101 F H ...

Страница 37: ...CDX MG6047ZH UC 37 5 6 7 8 5 6 7 8 C D F A B E D D CD CORE UNIT STS UNIT SIDE B ...

Страница 38: ...CDX MG6047ZH UC 38 1 2 3 4 1 2 3 4 C D F A B E 4 5 MOTOR PCB B M M4 CARRIAGE SPINDLE MOTOR M5 E E MOTOR PCB B ...

Страница 39: ...CDX MG6047ZH UC 39 5 6 7 8 5 6 7 8 C D F A B E M 4 RRIAGE 1 12 D CN301 E ...

Страница 40: ...CDX MG6047ZH UC 40 1 2 3 4 1 2 3 4 C D F A B E 4 6 MOTOR PCB A M M3 ELV M M1 CAM GEAR Q1 ELV SENSE 1 30 F F MOTOR PCB A SIDE A D CN201 ...

Страница 41: ...CDX MG6047ZH UC 41 5 6 7 8 5 6 7 8 C D F A B E 1 41 F F MOTOR PCB A SIDE B G CN801 ...

Страница 42: ...CDX MG6047ZH UC 42 1 2 3 4 1 2 3 4 C D F A B E 4 7 PCB UNIT D AND PCB UNIT B S887 CLAMP 1 1 7 S886 ELV HOME I 11 G H PCB UNIT B G PCB UNIT D H D CN802 ...

Страница 43: ...CDX MG6047ZH UC 43 5 6 7 8 5 6 7 8 C D F A B E 4 8 PCB UNIT E I I PCB UNIT E SIDE A SIDE B I PCB UNIT E ...

Страница 44: ...CDX MG6047ZH UC 44 1 2 3 4 1 2 3 4 C D F A B E 4 9 PCB UNIT C 4 1 D883 S885 MAX DETECT Q881 I J J PCB UNIT C ...

Страница 45: ...CDX MG6047ZH UC 45 5 6 7 8 5 6 7 8 C D F A B E 4 10 LOAD MOTOR PCB AND PCB UNIT A M M2 LOAD 1 1 4 2 I M M M I D891 D892 1 2 I K K LOAD MOTOR PCB L L PCB UNIT A ...

Страница 46: ...163 Q 720 Transistor 2SC2712 Q 723 Transistor DTC124EU Q 724 Transistor 2SC2712 Q 725 Transistor DTC124EU Q 726 Transistor 2SK1485 D 101 Diode MA142WA D 501 Diode 1SS355 D 601 Diode MA142WK D 701 Diode ERC05 10B D 702 Diode 1SR154 400 D 703 Diode UDZS7R5 B D 704 Diode 1SS355 D 705 Diode UDZS5R6 B D 706 Diode HZU8R2 B3 D 707 Diode UDZS6R2 B D 708 Diode UDZS8R2 B D 709 Diode 1SS355 D 710 Diode 1SS35...

Страница 47: ...RS1 16S222J R 698 RS1 16S222J R 699 RS1 16S222J R 701 RS1 16S104J R 702 RS1 16S473J R 703 RS1 8S222J R 704 RS1 16S473J Circuit Symbol and No Part No R 705 RS1 16S473J R 706 RS1 16S473J R 707 RS1 4S103J R 708 RS1 16S223J R 709 RS1 16S223J R 710 RS1 16S101J R 711 RS1 10S153J R 712 RS1 8S103J R 713 RS1 16S102J R 714 RS1 16S103J R 715 RS1 16S223J R 716 RS1 16S103J R 717 RS1 16S473J R 718 RS1 16S472J R...

Страница 48: ...06 Switch CSG1149 S 907 Switch CSG1149 S 910 Switch DOORSW CSN1071 IL 901 Lamp 60mA 8V CEL1773 IL 902 Lamp 60mA 8V CEL1773 RESISTORS R 901 RS1 10S561J Circuit Symbol and No Part No R 902 RS1 10S561J R 903 RS1 10S561J R 904 RS1 10S561J R 910 RS1 8S511J R 911 RS1 8S511J R 912 RS1 8S511J R 913 RS1 8S511J R 914 RS1 8S511J R 915 RS1 8S511J R 916 RS1 8S511J R 917 RS1 8S511J R 918 RS1 8S511J R 919 RS1 8S...

Страница 49: ... CKSQYB104K16 C 123 CKSRYB472K50 C 124 CKSQYB104K16 C 125 CCSRCH5R0C50 Circuit Symbol and No Part No C 126 CKSRYB153K25 C 127 CKSRYB102K50 C 201 CKSQYB334K16 C 202 CKSQYB104K16 C 203 CKSQYB104K16 C 204 CKSRYB471K50 C 207 CKSQYB683K16 C 208 CKSRYB821K50 C 209 CKSRYB273K25 C 210 CKSQYB334K16 C 211 CKSQYB334K16 C 212 CKSQYB334K16 C 213 22µF 6 3V CCH1300 C 301 CEV101M10 C 302 CEV101M10 D Unit Number C...

Страница 50: ...CTD Q 852 Photo transistor CPT231SCTD I Unit Number Unit Name PCB Unit E R 856 RS1 8S911J R 857 RS1 8S821J J Unit Number Unit Name PCB Unit C Q 881 Photo transistor CPT231SCTD D 883 Chip LED CL205IRXTU S 885 Spring Switch MAX Detect CSN1052 L Unit Number Unit Name PCB Unit A D 891 Chip LED CL205IRXTU D 892 Chip LED CL205IRXTU Circuit Symbol and No Part No H Unit Number Unit Name PCB Unit B S 886 S...

Страница 51: ...ing 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 appropriate remedial ac...

Страница 52: ... test mode or the mechanical test mode restores the display shown in 3 above Important Precautions on Key Operations in Test Mode If you press one of the 1 to 5 keys while the dis play is fixed at DISC 6 the Head unit displays the depressed key number once Thus don t try to operate any keys until the DISC 6 display is restored It takes 3 to 4 seconds Example If you depress the 5 key when D 6 and T...

Страница 53: ...ontinued after your finger has left the key CRG Move and 100TR Jump are forced to the Tracking Close Mode when the key is released Powering on or off resets the Jump Mode to the Single TR 91 When ACC or Back up is off the test mode is canceled Note Note Note The H BUS head unit must be employed for controlling the test mode Sound is unavailable even after the tracking has been closed this trouble ...

Страница 54: ...itch 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 1st disc 10 ELV at a position other than home 2nd to 6th 11 ELV moving to a specified position Note 1 00 Reserved for an error 2 When CAM LOAD motor is selected Indicates CAMSW CAM gear status EJECT SW1 DOORSW SW2 LOADSW SW3 MODESW SW4 CLAMPSW Display 10 30 31 21...

Страница 55: ...is situated The next display of 10 tells you the elevation of the 3rd disc Repeating this operation allows you to establish an elevation matching each disc When the elevation is driven from the 1st through 6th disc the status display changes as 01 11 10 11 10 11 10 11 10 11 10 When the disc to be ejected coincides with the disc being clamped the above operations are not necessary Select the 1 CAMM...

Страница 56: ...5V regulator on 2 Using the FF and REV buttons move the PU unit to the innermost track 3 Press key 1 to close focus the display should read 91 Press key ASEL to implement the tracking balance adjust ment the display should now read 81 Press key 1 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 ch...

Страница 57: ...CDX MG6047ZH UC 57 5 6 7 8 5 6 7 8 C D F A B E Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Страница 58: ... then remove the damper and holder 3 Remove the two spring A s spring B and spring C from the hook then remove the CD mechanism module Removing the Keyboard PCB Fig 3 1 Remove screws A and B then remove the switch PCB 2 Remove the four screws C then remove the guide 3 Remove the four screws B and screw A then remove the keyboard PCB Precautions on Assembly Apply spring C black to the front side ho...

Страница 59: ...ook the three springs B temporarily as shown in Fig 5 While pushing the Tray holder lock arms right and left in the direction C remove the Tray holder 3 Lift up the Tray assy to remove it Be careful not to remove the Tray hooks from the Tray assy ELV motor Cam gear motor Approximately DC 6V Tray holder Tray holder lock arm Tray holder lock arm Tray hooks Tray Assy Fig 4 Fig 5 Tray hooks ...

Страница 60: ...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 flexible holder B while opening the hooks 8 Remove the flexible PCB C from the motor The flexible PCB C has been stuck on the motor with double sided adhesive tape 9 Loosen the fixing sc...

Страница 61: ...om the Pickup unit Rack Plate spring Feed screw Pickup unit Grease GEM1013 Fig 10 Grease GEM1013 Grease GEM1034 2 Slide the Clamp UP lever B to remove it 3 Loosen the 2 screws Remove the feed screw cover by 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 ...

Страница 62: ... UC 62 1 2 3 4 1 2 3 4 C D F A B E 7 1 2 PCB LOCATIONS D CD CORE UNIT STS UNIT E MOTOR PCB B F MOTOR PCB A H PCB UNIT B C CD CORE UNIT SERVO UNIT K LOAD MOTOR PCB G PCB UNIT D L PCB UNIT A I PCB UNIT E J PCB UNIT C ...

Страница 63: ...CDX MG6047ZH UC 63 5 6 7 8 5 6 7 8 C D F A B E 7 1 3 CONNECTOR FUNCTION DESCRIPTION ...

Страница 64: ...ly control output 28 XIN Crystal oscillating element connection pin 29 XOUT O O O Crystal oscillating element connection pin 30 VSS GND 31 33 KST1 3 Key strobe output 34 35 kd I Key data input 36 37 ILL1 2 Illumination output 38 AD Address bus 39 TESTIN I Test program mode input 40 DCLOSE I Door close sense input 41 WDSL O O Data comparison designation output 42 XWIH DRAM data white inhibit input ...

Страница 65: ...erter reference voltage input 73 AVSS A D converter GND 74 ADRMON I DRAM memory remaining monitor input 75 EREF I I DRAM A D converter reference voltage input 76 78 PH1 3 I Disc photo sense input 79 ELVSNS I ELV position sense input 80 TEMP Temperature detector input 80 1 20 21 40 41 60 61 PEG023A IC s marked by are MOS type Be careful in handling them because they are very liable to be damaged by...

Страница 66: ...CDX MG6047ZH UC 66 1 2 3 4 1 2 3 4 C D F A B E 7 3 SYSTEM BLOCK DIAGRAM HEAD UNIT OTHER MAKER CDX MG6047ZH UC CDX MG6147ZH UC 13P CONNECTOR B ACC SP SP CAR HARNESS ...

Страница 67: ...Cleaning paper GED 008 When the Repair is Complete When the repair is complete make the CD mechanism ready for transportation implementing the following procedures 1 Press the changer side 1 and 4 simultaneously to turn the ACC on 2 As the ACC is turned on the disc indicator blinks in red 3 When the blinking is stopped the mechanism is ready for the transportation 4 Attach the Transportation Brack...

Страница 68: ...CDX MG6047ZH UC 68 1 2 3 4 1 2 3 4 C D F A B E 8 OPERATIONS CD LOADING SLOT DISC SELECT BUTTON EJECT BUTTON ...

Страница 69: ...CDX MG6047ZH UC 69 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 70: ... 14 pin 13 pin conversion jig Test disc L P F Cleaning liquid Cleaning paper GGD1163 GGD1412 TCD 784 GEM1004 GED 008 g Adjustment j Adjustment j Checking the grating g g g Checking the grating Two pieces g g g Cleaning CD pickup lenses g Cleaning CD pickup lenses g Name Jig No Remarks ...

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