Sony CDX-4280 Service Manual Download Page 22 | Manualshive

Page: 22 / 44

background image

4-3. PRINTED WIRING BOARDS — CD MECHANISM SECTION —

CDX-3180

Ref. No.

Location

IC1

D-3

IC2

E-6

IC3

B-3

Q1

F-6

Q2

F-7

• Semiconductor

Location

Note:

•

X

: parts extracted from the component side.

•

Y

: parts extracted from the conductor side.

•

b

: Pattern from the side which enables seeing.

– 23 –

– 24 –

(Page 32)

«
...
20
21
22
23
24
...
»

Summary of Contents for CDX-4280

Page 1: ... Frequency response 30 15 000 Hz Capture ratio 2 dB MW LW Tuning range MW 531 1 602 kHz LW 153 281 kHz Antenna terminal External antenna connector Intermediate frequency 10 71 MHz 450 kHz Sensitivity MW 30 µV LW 35 µV SPECIFICATIONS Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum power output 40 W 4 at 4 ohms General Outputs Line outputs 2 Po...

Page 2: ...iode in the optical pick up block may suffer electrostatic 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...

Page 3: ... 3 SECTION 1 GENERAL This section extracted from instruction manual ...

Page 4: ... 4 ...

Page 5: ... 5 ...

Page 6: ... 6 ...

Page 7: ... 7 ...

Page 8: ... 8 ...

Page 9: ... 9 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 ...

Page 10: ... 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 CNP701 8 bracket M D 5 CD mechanism block ...

Page 11: ... 11 2 5 MAIN BOARD 2 6 HEAT SINK 2 PTT 2 6x8 4 screws BTT 3 screw BTT 1 PTT 2 6x8 5 MAIN board 1 PTT 2 6x8 2 PTT 2 6x8 3 PTT 2 6x8 4 heat sink ...

Page 12: ...HASSIS T SUB ASSY 2 8 LEVER ASSY 4 chassis T sub assy 2 P 2x3 3 P 2x3 1 Unsolder the lead wires red white black 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 ...

Page 13: ...stalling take note of the positions arm roller and washers Fig 1 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 ...

Page 14: ...led motor assy 3 optical pick up block 1 tension spring angle 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 ...

Page 15: ...he adjustments of tuner section should be performed according to the following sequence 1 FM Auto Scan Stop Level Adjustment 2 FM Stereo Separation Adjustment 3 MW Auto Scan Stop Level Adjustment 0 dB 1 µV FM RF signal generator 0 01 µF antenna terminal set Carrier frequency 98 00 MHz Output level 22 dB 12 6 µV Mode mono Modulation 1 kHz 22 5 kHz deviation 30 Procedure 1 Set to the test mode 2 Pus...

Page 16: ... C D The separations of both channels should be equal Specification Separation more than 28 dB Adjustment Location See page 17 Procedure MW Auto Scan Stop Level Adjustment Setting D BASS switch OFF SOURCE n MODE button MW AM RF signal generator Carrier frequency 999 kHz 30 amplitude modulation by 1 kHz signal output level 33 dB 44 7 µV AM dummy antenna 50 Ω antenna terminal set 15 pF 30 Ω 65 pF Pr...

Page 17: ... 17 TU1 RV1 MW AUTO SCAN STOP LEVEL ADJ RV2 FM AUTO SCAN STOP LEVEL ADJ RV4 FM STEREO SEPARATION ADJ Adjustment Location tuner unit TU1 set upper view ...

Page 18: ...V4 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...

Page 19: ... mode select input 28 AM IFC I MW LW center frequency input 29 FM IFC I FM center frequency input 30 VDD2 Power supply 5 V 31 VCOH FM I Local oscillation frequency input FM 32 VCOL AM I Local oscillation frequency input MW LW 33 GND2 GND 34 NC Not used 35 EO1 PDOUT O Error out output 36 TESTO Fixed at L 37 AM ON TU ON O MW LW power output MW LW select 38 FM ON FM AM O FM power output FM select 39 ...

Page 20: ...utput 66 LCD SO O LCD driver serial data output 67 C ALARM O Caution alarm output 68 SQ CKO O Q data read serial clock output 69 CD RST O Servo IC DAC reset output 70 SQ SI I Q data input 71 CD SO O Serial data output to servo IC 72 CD LAT O Data latch output to servo IC 73 CD CKO O Serial clock output to servo IC 74 VREF Not used 75 GND1 GND 76 X OUT Crystal oscillator connection 4 5 MHz 77 X IN ...

Page 21: ...repair Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage and waveforms are dc with respect to ground under no signal conditions no mark CD PLAY Impossible to measure Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Waveforms are taken with a oscilloscope Voltage variations may be no...

Page 22: ...SECTION CDX 3180 Ref No Location IC1 D 3 IC2 E 6 IC3 B 3 Q1 F 6 Q2 F 7 Semiconductor Location Note X parts extracted from the component side Y parts extracted from the conductor side b Pattern from the side which enables seeing 23 24 Page 32 ...

Page 23: ...4 4 SCHEMATIC DIAGRAM CD MECHANISM SECTION Refer to page 22 for Waveforms and Note and page 37 for IC Block Diagrams CDX 3180 1 1 2 25 26 Page 33 ...

Page 24: ...om the Side B pattern face are indicated Parts face side Parts on the parts face side seen from the Side A parts face are indicated Semiconductor Location Ref No Location D851 B 10 D852 B 11 D853 B 10 D854 B 10 D861 B 12 D862 A 13 D863 B 13 D864 C 5 D865 C 4 D866 C 2 D867 B 4 D868 C 9 Ref No Location D869 C 8 D870 C 7 D871 C 12 D872 C 11 D873 C 3 D874 C 2 D875 B 3 D876 B 2 D877 B 1 D878 A 1 IC851 ...

Page 25: ...specified U B Line Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords C panel designation Voltage is dc with respect to ground under no signal detuned condition no mark FM Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances 4 6 SCHEMATIC DIAGRAM DISPLAY SECTION CDX 3180 29 30 Page 36 ...

Page 26: ...J 3 D810 C 7 D811 J 4 D812 J 3 D901 F 1 D902 D 2 D903 H 1 D905 J 2 D906 D 3 D907 C 2 D908 C 3 D909 D 3 IC401 E 8 IC402 B 8 IC701 G 3 IC702 F 5 IC801 I 8 Q101 D 10 Ref No Location Semiconductor Location Ref No Location Q102 C 10 Q201 C 11 Q202 B 11 Q401 C 9 Q402 C 9 Q601 H 12 Q602 H 12 Q603 H 11 Q604 G 12 Q605 E 12 Q606 E 12 Q801 G 6 Q901 G 1 Q902 E 2 Q903 E 2 Q904 H 2 Q905 G 2 Q906 E 1 Q907 J 3 Q9...

Page 27: ...ine Power voltage is dc 14 4V and fed with regulated dc power supply from ACC and BATT cords Voltage is dc with respect to ground under no signal detuned condition no mark FM MW CD PLAY Impossible to measure Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Signal path F FM f MW J CD 4 8 SCHEMATIC DIAGRAM MAIN SECTION 1 2 Refer t...

Page 28: ...CDX 3180 4 9 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 34 for Note and page 39 for IC Block Diagrams 35 36 Page 29 Page 34 ...

Page 29: ...ON MDP MDS LOCK TEST FILO FILI PCO VSS AVSS CLTV AVDD RF BIAS ASYI ASYO ASYE WDCK 5 14 CPU INTERFACE SUB CODE PROCESSOR DIGITAL CLV EFM DEMODULATOR DIGITAL PLL ASYMMETRY CORRECTOR 5 D A INTERFACE ERROR CORRECTOR 3 6 3 16K RAM DIGITAL OUT CLOCK GENERATOR 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 OPOUT CH4 IN CH4 CTL1 CTL2 FWD REV TRAY GND CH3 CH5 COM CH4 CH3 CH3 IN CH3 VREF CH2 CH2 IN VCC VCC CH1 CH2 CH1 ...

Page 30: ...GD FDFCT FE M FEI FEO FE BIAS F E EI VEE TED LPFI TEI ATSC TZC TDFCT VC APC LEVEL S FOK MIRR RF IV AMP1 RF IV AMP2 FE AMP TTL IIL FZC COMP DFCT IIL TTL IIL DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER OUTPUT DECODER TTL IIL TOG1 3 BAL1 3 FS1 4 TG1 2 TM1 7 PS1 4 F IV AMP E IV AMP BAL1 BAL2 BAL 3 TE AMP TZC COMP DFCT TM1 DFCT FS4 ATSC WINDOW COMP TOG1 TOG2 TOG3 FCS PHASE COMPENSATION FS1 F SET...

Page 31: ...7 8 9 10 16 15 14 13 12 11 DIGITAL SIGNAL PROCESSOR OUTPUT INTERFACE SYSTEM CLOCK INPUT INTERFACE SEQUENTIAL CONTROL MUTE CONTROL MODE CONTROL LRCI BCKI DI CLK VSS RSTN TESTN MUTEN DB DS MOD2 MOD1 OPT VDD LRCO BCKO DOUT ATTENUATION COUNTER FILTER ATTENUATION OPERATION BLOCK NOISE SHAPER OPERATION BLOCK INPUT INTERFACE CLOCK GENERATOR TIMING CONTROL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2...

Page 32: ...inewithmark arecriticalforsafety Replaceonlywithpartnumber specified Ref No Part No Description Remark 5 1 CHASSIS SECTION N N Ref No Part No Description Remark 1 11 3 2 10 9 7 6 5 5 4 1 1 1 2 2 2 2 1 1 1 3 3 10 2 F901 MG 363X 121 8 TU1 13 12 A A B B 1 X 3374 926 1 COVER ASSY 2 X 3374 808 1 PANEL 1 ASSY SUB 3 X 3368 104 2 LOCK ASSY 4 3 019 564 01 BRACKET M D 5 3 922 535 11 SCREW BTT 6 A 3294 352 A...

Page 33: ...RING RELEASE 54 3 019 550 01 BUTTON MODE SOUND 55 3 019 552 01 BUTTON 1 6 56 3 019 551 01 BUTTON EJECT 57 3 019 545 01 BUTTON SOURCE 58 3 019 547 01 KNOB VOL 59 3 019 548 01 RING 60 3 019 543 01 KNOB D BASS 61 X 3374 803 1 HOLDER LCD ASSY 62 3 019 557 01 PLATE LCD GROUND 63 3 019 558 01 SHEET D LCD 64 3 019 561 01 SHEET LCD COLOR 65 3 019 538 01 PANEL FRONT BACK 66 X 3374 976 1 FRONT PANEL ASSY 67...

Page 34: ...ASSY 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 03 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...

Page 35: ...RM CHUCKING 152 3 931 897 01 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 3 019 805 01 SPRING KF1 TENSION 159 A 3291 677 G 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 01 WHEEL U WORM 164 3 019 806 01 ...

Page 36: ...74 022 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...

Page 37: ...D SML 010YT T87 SENS AMBER D864 8 719 067 77 LED SML 010PT T87 1 GREEN D864 8 719 069 64 LED SML 010YT T87 1 AMBER D865 8 719 067 77 LED SML 010PT T87 OFF GREEN D865 8 719 069 64 LED SML 010YT T87 OFF AMBER D866 8 719 067 77 LED SML 010PT T87 SOURCE GREEN D866 8 719 069 64 LED SML 010YT T87 SOURCE AMBER D867 8 719 067 77 LED SML 010PT T87 SOUND GREEN D867 8 719 069 64 LED SML 010YT T87 SOUND AMBER...

Page 38: ... S865 1 572 704 31 SWITCH KEYBOARD 6 S871 1 572 704 31 SWITCH KEYBOARD 5 S872 1 762 719 21 SWITCH TACTILE 4 S873 1 762 719 21 SWITCH TACTILE 3 S874 1 762 719 21 SWITCH TACTILE 2 SHUF S875 1 762 719 21 SWITCH TACTILE 1 REPEAT S876 1 572 704 31 SWITCH KEYBOARD SOUND 1 659 835 12 LIMIT SW BOARD SWITCH SW3 1 572 688 11 SWITCH PUSH 1 KEY LIMIT 1 659 837 11 LOAD SW BOARD SWITCH SW4 1 572 288 11 SWITCH P...

Page 39: ... CHIP 5PF 0 25PF 50V C801 1 164 232 11 CERAMIC CHIP 0 01uF 50V C802 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C804 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C805 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C807 1 163 099 00 CERAMIC CHIP 18PF 5 50V C808 1 163 234 11 CERAMIC CHIP 20PF 5 50V C812 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C813 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C817 1 164 004 11 CERAM...

Page 40: ...29 620 06 TRANSISTOR 2SC3052 EF Q909 8 729 027 43 TRANSISTOR DTC114EKA T146 Q910 8 729 822 84 TRANSISTOR 2SB1202FAST Q911 8 729 027 43 TRANSISTOR DTC114EKA T146 Q912 8 729 101 07 TRANSISTOR 2SB798 DL Q913 8 729 027 43 TRANSISTOR DTC114EKA T146 Q914 8 729 901 05 TRANSISTOR DTA124EK Q915 8 729 027 43 TRANSISTOR DTC114EKA T146 Q916 8 729 920 85 TRANSISTOR 2SD1664 QR Q919 8 729 027 43 TRANSISTOR DTC11...

Page 41: ... 1 8W R829 1 216 254 00 RES CHIP 220K 5 1 8W R830 1 247 887 00 CARBON 220K 5 1 4W R831 1 216 089 00 RES CHIP 47K 5 1 10W R832 1 247 887 00 CARBON 220K 5 1 4W R833 1 249 395 11 CARBON 15 5 1 4W R834 1 216 049 11 RES CHIP 1K 5 1 10W R835 1 249 417 11 CARBON 1K 5 1 4W R838 1 216 049 11 RES CHIP 1K 5 1 10W R839 1 216 049 11 RES CHIP 1K 5 1 10W R841 1 216 105 00 RES CHIP 220K 5 1 10W R842 1 216 105 00 ...

Page 42: ...FP T1 JUMPER RESISTOR JR1 1 216 296 00 SHORT 0 JR2 1 216 296 00 SHORT 0 JR3 1 216 296 00 SHORT 0 JR4 1 216 296 00 SHORT 0 JR5 1 216 296 00 SHORT 0 JR6 1 216 296 00 SHORT 0 JR7 1 216 296 00 SHORT 0 JR8 1 216 296 00 SHORT 0 JR9 1 216 296 00 SHORT 0 JR10 1 216 296 00 SHORT 0 JR11 1 216 296 00 SHORT 0 JR12 1 216 296 00 SHORT 0 JR13 1 216 296 00 SHORT 0 JR14 1 216 296 00 SHORT 0 JR15 1 216 296 00 SHORT...

Page 43: ...4 1 216 085 00 METAL CHIP 33K 5 1 10W R45 1 216 081 00 METAL CHIP 22K 5 1 10W R46 1 216 097 00 RES CHIP 100K 5 1 10W R47 1 216 105 00 RES CHIP 220K 5 1 10W R48 1 216 073 00 METAL CHIP 10K 5 1 10W R49 1 216 065 00 METAL CHIP 4 7K 5 1 10W R50 1 216 065 00 METAL CHIP 4 7K 5 1 10W R51 1 216 295 00 SHORT 0 VARIABLE RESISTOR RV1 1 238 091 11 RES ADJ CERMET 22K RV4 1 238 091 11 RES ADJ CERMET 22K 1 659 8...

Page 44: ...ungary C1998 2 Published by Quality Assurance Dept PARTS FOR INSTALLATION AND CONNECTIONS 251 3 916 161 31 FRAME 252 X 3374 928 1 COLLAR ASSY 253 3 386 828 01 SCREW FITTING 254 3 349 410 01 BUSHING 255 3 388 078 01 KEY 256 X 3370 077 1 SCREW ASSY AE KEY FITTING 257 1 776 527 61 CORD WITH CONNECTOR ISO POWER 258 1 465 459 21 ADAPTOR ANTENNA ...

Reviews:

No comments

Related manuals for CDX-4280

Brand: Hama Pages: 8

Brand: Fender Pages: 20

Brand: Xantech Pages: 16

Brand: Xantech Pages: 44

Brand: Xantech Pages: 2

Brand: Xantech Pages: 102

Brand: Xantech Pages: 36

Rampage AXTM-600

Brand: Audiovox Pages: 12

Brand: Wyred 4 Sound Pages: 12

Brand: Aesthetix Pages: 11

Brand: Boss Audio Systems Pages: 19

Brand: Movon Pages: 44

TUBE5 Celestion

Brand: Harley Benton Pages: 28

Stereo 40i Classic EL34

Brand: icon Audio Pages: 8

Brand: SY Electronics Pages: 12

Brand: Crunch Pages: 2

Brand: MTS Systems Pages: 22

Brand: Tokyo Pages: 11

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands