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5-5. CD MECHANISM SECTION (3)

(MG-363X-121)

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

M902

M901

212

211

209

210

213

208

205

206

204

203

202

207

201

201

X-3374-022-1 CHASSIS (OP) (O/S) ASSY

202

3-931-829-01 SPRING (SL), PLATE

203

X-3371-504-1 BASE (DRIVING) ASSY

204

3-931-832-01 GEAR (SL MIDWAY)

205

1-659-835-12 LIMIT SW BOARD

206

3-338-737-01 SCREW (2X3), + PS

207

1-659-880-11 MOTOR FLEXIBLE BOARD

208

1-659-834-11 SUB BOARD

209

3-909-607-01 SCREW

210

8-820-010-06 PICK-UP, OPTICAL KSS-521A/K1RP

211

3-931-834-01 SPRING (FEED), PLATE

212

1-659-881-11 PICK-UP FLEXIBLE BOARD

213

A-3291-669-A SHAFT (FEED) ASSY

M901

X-3371-664-2 MOTOR ASSY (SPINDLE)

M902

A-3291-674-A MOTOR ASSY, SLED (SLED)

The components identified by
mark

or dotted line with mark.

are critical for safety.

Replace only with part number
specified.

Содержание CDX-C4750 - Fm/am Compact Disc Player

Страница 1: ...easured at a distance of 200 mm from the objective lens surface on the Optical Pick up Block Tuner section FM Tuning range US model 87 5 107 9 MHz E model FM tuning interval 50 kHz 200 kHz switchable 87 5 108 0 MHz at 50 kHz step 87 5 107 9 MHz at 200 kHz step Antenna terminal External antenna connector Intermediate frequency 10 7 MHz Usable sensitivity 12 dBf Selectivity 75 dB at 400 kHz Signal t...

Страница 2: ...static breakdown because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK The laser beam on thi...

Страница 3: ... 3 SECTION 1 GENERAL This section is extracted from CDX C4750 s instruction manual ...

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Страница 10: ... 10 SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 2 1 COVER ASSY 2 2 FRONT PANEL ASSY 4 cover assy 1 claw 2 claw 3 claws 2 front panel assy 1 button release ...

Страница 11: ... 2 3 SUB PANEL 1 ASSY 2 4 CD MECHANISM BLOCK 1 PTT 2 6x6 2 PTT 2 6x6 4 claw 3 claw 5 sub panel 1 assy 7 PTT 2 6x6 3 PTT 2 6x6 6 PTT 2 6x6 2 PTT 2 6x6 1 PTT 2 6x6 4 CNP700 8 bracket M D 5 CD mechanism block ...

Страница 12: ... 12 2 5 MAIN BOARD 2 6 HEAT SINK 2 ground point screw PTT 2 6x6 3 ground point screws PTT 2 6x6 1 PTT 2 6x8 4 MAIN board 1 PTT 2 6x8 2 PTT 2 6x12 3 PTT 2 6x8 4 heat sink ...

Страница 13: ...IS T SUB ASSY 2 8 LEVER ASSY 5 chassis T sub assy 3 P 2x3 4 P 2x3 1 Unsolder the lead wires red white black 2 P 2x3 4 claws 2 DISC IN SW board 7 lever L assy 3 tension spring LR 6 lever R assy 5 guide disc 1 PS 2x4 ...

Страница 14: ...SERVO BOARD 2 10 ROLLER ASSY 5 PS 2x4 1 CN3 3 P 2x3 4 loading motor assy 7 SERVO board 2 CN2 6 PS 2x4 Fig 1 4 PS 2x3 5 LOAD SW board 1 tension spring RA 2 arm roller 3 roller assy washer arm arm washer washers ...

Страница 15: ...spring KF1 8 compression spring FL 7 chassis OP O S assy 9 compression spring FL 2 tension spring KR1 5 Fit lever D in the direction of the arrow 3 damper T 4 damper T 6 Turn loading ring in the direction of the arrow 1 P 2x3 2 sled motor assy 3 optical pick up block ...

Страница 16: ...ono Modulation 1 kHz 75 kHz deviation 100 FM CENTER OUT Both side of R24 IC1 pin IC1 pin digital voltmeter 0 dBs 3 dBs fc 10 fc fc 10 kHz FM RF signal generator dummy antenna 50 Ω 50 Ω 4 Ω antenna terminal set SPEAKER OUT level meter AM RF signal generator dummy antenna antenna terminal set SPEAKER OUT level meter 30 Ω 4 Ω 15 pF 30 pF Procedure Adjust for a maximum reading on level meter IFT1 3 1 ...

Страница 17: ...tment Setting SOURCE n MODE button AM D BASS switch OFF Frequency Select switch E model AM 10K AM RF signal generator dummy antenna antenna terminal set SPEAKER OUT level meter 30 Ω 4 Ω 15 pF 30 pF digital voltmeter S METER OUT Adjustment Location tuner assy TU601 tuner assy TU601 component side AM AUTO SCAN STOP LEVEL ADJ IFT3 AM SENS ADJ IFT3 IFT1 FEB1 FM SENS IF ADJ IFT4 FM CENTER ADJ tuner ass...

Страница 18: ...4 slightly counter clockwise If the gain is too low Focus does not function and no music is selected If the gain is too high Noise caused by scratches and dust is heard and the operation becomes unstable Adjustment Location servo board Adjustment Location servo board component side Procedure 1 Connect an oscilloscope between TP RF and TP RF GND on the SERVO board 2 Connect the power supply 3 Push ...

Страница 19: ...3 CH3 14 CH3 M902 SLED M901 SPINDLE M903 LOADING 12 CH4 11 COM 6 FWD 7 REV 4 CTL1 5 CTL2 10 CH5 6 DIN 5 BCKIN LRCIN CLKO 12 VOUTL VOUTR R CH XTI 19 XTO D A CONVERTER IC702 X700 16 9344MHz MC DM1 22 RSTB 30 DEEMPH 6 GFS 17 SQ SI 19 SQ CKO 78 CD SENCE SYSTEM CONTROL IC801 1 2 SERVO 5V M M M I V CONV 4 DATA25 3 XLAT25 28 CLOK25 75 SCOR 5 XRST 2 FOK 23 C IN 1 LD ON 115 CD EJ 114 CD LD PH3 CD 5V REG Q9...

Страница 20: ...ET IC902 S900 RESET CNP802 REMOTE IN KEY MATRIX LSW511 523 525 529 KEY BOARD KEY ACTIVE Q914 915 PL501 PL502 LAMP SWITCH Q502 505 LSW511 523 525 529 LED501 505 TEL MUTE SWITCH Q916 POWER SUPPLY IC901 AMP ON VCC AMP B BATT B BATT B ACC CHECK Q905 F901 11 3 12 4 10 2 9 1 13 TEL MUTE 16 BATT 7 ACC 5 AMP REM 6 ANT REM 15 TEST SCL X1A X0A SDA SSTOP SD IN ST MONO S METER KEY IN0 SYSRST UNI CK UNI SO UNI...

Страница 21: ... panel designation U B Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f ...

Страница 22: ...4 4 PRINTED WIRING BOARDS CD MECHANISM SECTION CDX C4750 C6600 25 26 Ref No Location IC1 D 2 IC2 E 5 IC3 B 2 Q1 F 5 Q2 F 6 Semiconductor Location Page 31 ...

Страница 23: ...ATIC DIAGRAM CD MECHANISM SECTION Refer to page 24 for Waveforms Refer to page 41 for IC Block Diagrams note Voltage and waveforms are dc with respect to ground under no signal conditions no mark CD PLAY Impossible to measure Page 33 ...

Страница 24: ... D915 G 13 D916 I 13 D918 J 9 D919 K 9 D920 B 9 D924 E 13 IC200 A 7 IC401 F 7 IC601 F 3 IC702 F 11 IC801 J 7 IC803 D 14 IC901 F 13 IC902 I 6 Q110 B 4 Q111 B 4 Q210 C 4 Q211 C 5 Q401 B 3 Q402 C 3 Q603 G 5 Q609 G 5 Q610 F 5 Q612 F 5 Q613 F 4 Q614 G 3 Q615 F 5 Q901 I 13 Q902 I 13 Q903 I 13 Q904 G 13 Q905 C 9 Q906 D 11 Q907 I 12 Q908 I 12 Q909 I 12 Q910 H 13 Q911 H 12 Q912 H 13 Q913 G 13 Q914 K 9 Q915...

Страница 25: ... 31 32 CDX C4750 C6600 Page 38 Page 25 ...

Страница 26: ...750 C6600 33 34 note Voltage is dc with respect to ground under no signal detuned condition no mark FM AM CD PLAY 4 7 SCHEMATIC DIAGRAM MAIN SECTION 1 2 Refer to page 43 for IC Block Diagrams Page 35 Page 28 ...

Страница 27: ...193 BND 35 36 CDX C4750 C6600 note Voltage is dc with respect to ground under no signal detuned condition no mark FM AM CD PLAY 4 8 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 44 for IC Block Diagrams Page 39 Page 34 ...

Страница 28: ... WIRING BOARD DISPLAY SECTION D501 B 10 D502 B 12 D503 B 10 D506 C 10 D507 C 10 IC501 C 8 LED501 B 3 Ref No Location Semiconductor Location Ref No Location LED502 B 2 LED503 B 1 LED504 C 2 LED505 C 3 Q502 B 13 Q505 B 13 SIDE B Page 31 ...

Страница 29: ... 39 40 CDX C4750 C6600 note Voltage is dc with respect to ground under no signal detuned condition no mark FM 4 10 SCHEMATIC DIAGRAM DISPLAY SECTION Page 36 ...

Страница 30: ... CH1 CH2 CH1 IN OP IN CH1 CH1 OP IN CH2 DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT THERMAL SHUT DOWN 15 16 17 18 19 20 21 22 23 24 25 26 27 28 LOGIC CTL1 CTL2 FWD REV V I IC2 CXA1782BQ 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 ...

Страница 31: ...S DIGITAL CONTROL CIRCUIT POWER SUPPLY FRONT FADER FRONT FADER REAR FADER REAR FADER VOICE BANDPASS HP LP SDA SCL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 3 4 5 6 7 18 19 20 17 16 15 14 8 9 10 13 12 11 2 1 CLK CONTROL INPUT INTERFACE DIGITAL FILTER 5LEVE DAC LOWPASS FILTER CMOS AMP 5LEVEL DAC LOWPASS FILTER CMOS AMP MODE CONT ROL XTI DGND VDD LRCIN DIN BCKIN ZERO ...

Страница 32: ... COUNTER SWITCH SWM DIR 6 BIT PROG COUNTER SWITCH SWM DIR PRE COUNTER 32 33 I2 C BUS INTERFACE SWITCH AM FM VDD1 1 2 3 4 6 7 8 5 9 10 11 14 12 13 17 18 19 20 21 22 23 24 25 26 27 28 16 15 LP FM LP HC LP AM V REF LCL DX SEEK NIL MONO OSCIN OSCOUT NC SCL SDA IF AM LPOUT VDD2 GND AM AM IN FM IN NC GND D VDD1 ADDR HFREF AMOSC DOUT INLOCK SSTOP IF FM REGULATOR VREF THERMAL SHUT DOWN OVER VOLTAGE PROTEC...

Страница 33: ...I Remote commander input 25 TXT SI I CD TEXT data input 26 NIL Not used Connect to ground in this set 27 TXT CKO O CD TEXT data read clock output 28 CLOK25 O CD signal processing serial clock output 29 SYSRST O System reset output 30 DEEMPH O De emphasis output 31 AMP ATT O Power amplifier attenuator control output 32 MD ON O CD mechanism power control output 33 VSS Ground 34 C Power stabilization...

Страница 34: ...wledge 80 TEL ATT I Telephone attenuate detection input 81 ST MONO I O Tuner stereo signal detection input forced monaural output 82 SEEKOUT O SEEK output 83 SD IN I Signal detector input 84 WIDE O WIDE NARROW select output Not used in this set 85 NARROW O WIDE NARROW select output Not used in this set 86 HSTX Hardware standby input Connect to pin º RESET 87 MD2 Operation mode input Connect to gro...

Страница 35: ... used Open 114 CD LD O Loading motor control output Loading direction 115 CD EJ O Loading motor control output Eject direction 116 L SW I Sled limit switch detection input 117 IN SW PH1 I Disc insertion detection input 118 D SW I DOWN switch detection input 119 VSS Ground 120 SELF SW IN SW I Disc self store detection input ...

Страница 36: ...CTION N N Ref No Part No Description Remark 1 11 3 5 8 9 6 7 2 10 4 1 1 2 2 2 10 2 2 2 2 1 1 1 3 3 MG 363X 121 TU601 F901 A A B B 12 2 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 1 X 3376 729 1 COVER ASSY 2 X 3376 728 1 PANEL 1 ASSY SUB 3 X 3368 104 2 LOCK ASSY 4 3 030 927 01 BRACKET MD 5 3 376 464 11 SCREW PTT 2 6X6 GR...

Страница 37: ...4 3 019 550 01 BUTTON MODE SOUND 55 3 030 872 01 BUTTON 1 10 56 3 030 873 01 BUTTON CD EJECT 57 3 025 315 11 BUTTON SOURCE 58 3 019 547 21 KNOB VOL 59 3 019 548 01 RING 60 3 019 543 11 KNOB D BASS 61 X 3376 730 1 HOLDER ASSY LCD 62 3 030 879 01 BRACKET LCD 63 3 021 407 01 SHEET D LCD 64 3 032 289 01 SHEET DIFFUSION 5 65 3 030 863 01 PANEL FRONT BACK 66 3 023 946 01 SHEET H BACK 67 3 024 286 01 SHE...

Страница 38: ...Y 103 3 931 909 01 SPRING LR TENSION 104 X 3371 501 1 LEVER L ASSY 105 3 338 737 01 SCREW 2X3 PS 106 1 659 837 11 LOAD SW BOARD 107 X 3371 502 1 LEVER R ASSY 108 A 3301 203 A ROLLER ASSY 109 3 931 908 01 GUIDE DISC 110 3 931 902 04 ARM ROLLER 111 3 936 756 01 ROLLER D 112 3 321 393 01 WASHER STOPPER 113 3 939 139 01 SPACER 114 3 931 916 01 SPRING RA TENSION 115 A 3309 227 A SERVO BOARD COMPLETE 11...

Страница 39: ... DAMPER T 153 3 931 879 02 LEVER D 154 3 913 404 11 RETAINER DISC 155 3 931 894 01 BRACKET CP 156 3 931 895 01 SPRING CH TENSION 157 3 931 898 01 SPRING FL COMPRESSION 158 3 032 483 02 SPRING KF1 TENSION 159 A 3277 802 C CHASSIS M ASSY 160 3 931 883 01 SPRING TR TENSION 161 3 931 881 01 LEVER LOCK 162 3 931 882 02 GEAR MDL 163 3 007 537 11 WHEEL U WORM 164 3 032 484 01 SPRING KR1 TENSION 165 3 014...

Страница 40: ...L MIDWAY 205 1 659 835 12 LIMIT SW BOARD 206 3 338 737 01 SCREW 2X3 PS 207 1 659 880 11 MOTOR FLEXIBLE BOARD 208 1 659 834 11 SUB BOARD 209 3 909 607 01 SCREW 210 8 820 010 06 PICK UP OPTICAL KSS 521A K1RP 211 3 931 834 01 SPRING FEED PLATE 212 1 659 881 11 PICK UP FLEXIBLE BOARD 213 A 3291 669 A SHAFT FEED ASSY M901 X 3371 664 2 MOTOR ASSY SPINDLE M902 A 3291 674 A MOTOR ASSY SLED SLED The compon...

Страница 41: ...1 1 762 142 12 SWITCH KEY BOARD WITH LED 6 LSW512 1 762 142 12 SWITCH KEY BOARD WITH LED DSPL LSW513 1 762 142 12 SWITCH KEY BOARD WITH LED LIST LSW514 1 762 619 21 SWITCH KEY BOARD WITH LED 10 LSW515 1 762 619 21 SWITCH KEY BOARD WITH LED 9 LSW516 1 762 619 21 SWITCH KEY BOARD WITH LED 8 LSW517 1 762 619 21 SWITCH KEY BOARD WITH LED 7 LSW518 1 762 619 21 SWITCH KEY BOARD WITH LED 6 LSW519 1 762 6...

Страница 42: ...30 877 01 HEAT SINK 3 030 928 01 HEAT SINK REG 7 685 793 09 SCREW PTT 2 6X8 S 7 685 795 09 SCREW PTT 2 6X12 S CAPACITOR C101 1 163 012 00 CERAMIC CHIP 0 0018uF 10 50V C103 1 164 346 11 CERAMIC CHIP 1uF 16V C104 1 164 346 11 CERAMIC CHIP 1uF 16V C105 1 163 989 11 CERAMIC CHIP 0 033uF 10 25V C106 1 164 489 11 CERAMIC CHIP 0 22uF 10 16V C120 1 126 574 61 ELECT 10uF 20 35V C121 1 126 574 61 ELECT 10uF...

Страница 43: ...5V C802 1 163 038 00 CERAMIC CHIP 0 1uF 25V C803 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C810 1 163 038 00 CERAMIC CHIP 0 1uF 25V C811 1 163 233 11 CERAMIC CHIP 18PF 5 50V C812 1 163 233 11 CERAMIC CHIP 18PF 5 50V C813 1 163 038 00 CERAMIC CHIP 0 1uF 25V C814 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C815 1 163 251 11 CERAMIC CHIP 100PF 5 50V C816 1 163 038 00 CERAMIC CHIP 0 1uF 25V C817 1 163 038 ...

Страница 44: ...AR TRANSISTOR Q110 8 729 920 31 TRANSISTOR DTC343TK Q111 8 729 920 31 TRANSISTOR DTC343TK Q210 8 729 920 31 TRANSISTOR DTC343TK Q211 8 729 920 31 TRANSISTOR DTC343TK Q401 8 729 901 05 TRANSISTOR DTA124EK Q402 8 729 027 52 TRANSISTOR DTC124EKA T146 Q603 8 729 030 51 TRANSISTOR 2SA1515S R TP Q609 8 729 027 52 TRANSISTOR DTC124EKA T146 Q610 8 729 216 22 TRANSISTOR 2SA1162 G Q612 8 729 216 22 TRANSIST...

Страница 45: ...7 00 METAL CHIP 2 2K 5 1 10W R638 1 216 097 00 RES CHIP 100K 5 1 10W R639 1 216 077 00 METAL CHIP 15K 5 1 10W R640 1 216 113 00 METAL CHIP 470K 5 1 10W R692 1 216 057 00 METAL CHIP 2 2K 5 1 10W R694 1 216 017 00 RES CHIP 47 5 1 10W R695 1 216 097 00 RES CHIP 100K 5 1 10W R696 1 216 064 00 METAL CHIP 4 3K 5 1 10W C4750 R696 1 216 070 00 METAL CHIP 7 5K 5 1 10W C6600 R697 1 216 064 00 METAL CHIP 4 3...

Страница 46: ...ERVO BOARD COMPLETE CAPACITOR C1 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C2 1 163 021 11 CERAMIC CHIP 0 01uF 10 50V C3 1 135 145 11 TANTALUM CHIP 0 47uF 10 35V C4 1 163 251 11 CERAMIC CHIP 100PF 5 50V C5 1 164 182 11 CERAMIC CHIP 0 0033uF 10 50V C6 1 163 011 11 CERAMIC CHIP 0 0015uF 10 50V C7 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C9 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C10 1 126 206 11 ELECT ...

Страница 47: ...1 216 121 00 RES CHIP 1M 5 1 10W R4 1 216 061 00 METAL CHIP 3 3K 5 1 10W R5 1 216 061 00 METAL CHIP 3 3K 5 1 10W R6 1 216 073 00 METAL CHIP 10K 5 1 10W R7 1 216 009 00 RES CHIP 22 5 1 10W R8 1 216 119 00 METAL CHIP 820K 5 1 10W R9 1 216 119 00 METAL CHIP 820K 5 1 10W R10 1 216 073 00 METAL CHIP 10K 5 1 10W R11 1 216 073 00 METAL CHIP 10K 5 1 10W R14 1 216 085 00 METAL CHIP 33K 5 1 10W R15 1 216 08...

Страница 48: ...UCTION INSTALL ENGLISH C4750 3 865 921 11 MANUAL INSTRUCTION ENGLISH SPANISH CHINESE C6600 3 865 922 11 MANUAL INSTRUCTION INSTALL ENGLISH SPANISH CHINESE C6600 X 3374 810 1 CASE ASSY HARDWARE LIST 1 7 685 792 09 SCREW PTT 2 6X6 S 2 7 685 793 09 SCREW PTT 2 6X8 S 3 7 621 772 10 SCREW B 2X4 4 7 685 106 19 SCREW P 2X10 TYPE2 NON SLIT 5 7 627 850 28 SCREW PRECISION P 1 4X3 6 7 627 000 00 SCREW PRECIS...

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