Sony CFD-V77S Скачать руководство пользователя страница 19 | Manualshive

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CFD-V77S

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6-4. SCHEMATIC DIAGRAM – MAIN BOARD (1/3) – • Refer to page 20 for Note on Schematic Diagram. • Refer to page 35 for IC Block Diagrams.

The components identified by mark

!

or dotted

line with mark

!

are critical for safety.

Replace only with part number specified.

1

CN 301

2

REC MODE

30Vp-p

55.2kHz

10V/div
10

µ

sec/div

C313

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18
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Содержание CFD-V77S

Страница 1: ...Saudi Arabia Other models 530 1 605 kHz or 531 1 602 kHz SW1 2 3 7 MHz SW2 7 22 MHz IF FM 10 7 MHz AM MW 455 kHz Aerials FM Telescopic aerial MW Built in ferrite bar aerial Cassette corder section Recording system 4 track 2 channel stereo Fast winding time Approx 120 s sec with Sony cassette C 60 Frequency response TYPE I normal 70 10 000 Hz General Speakers Full range 10 cm dia 6 Ω cone type 2 Ou...

Страница 2: ...correcting the original service problem perform the following safety checks before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a ret...

Страница 3: ...ive lens CHUCK PLATE JIG ON REPAIRING On repairing CD section playing a disc without the CD lid use Chuck Plate Jig Code number of Chuck Plate Jig X 4918 255 1 LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1 Press CD open knob 2 Open the lid for CD 3 Push on SWITCH S801 as following figure 4 Confirm the laser diode emission while observing the objecting lens When there is no emission Auto Power Con...

Страница 4: ... LID 3 FM rod antenna 4 DISPLAY ENTER button 5 CD button 6 CD 6 PUSH OPEN CLOSE button 7 CD button 8 CD p button 9 Battery compartment º TUNE knob CD button DIAL BAND switch FUNCTION switch OPR BATT indicator TONE knob 2 Phones jack MEGA BASS knob ª AC IN jack º VOLUME knob PLAY MODE button Information display FINE TUNING knob 1 2 3 4 5 6 7 8 9 0 ª º ...

Страница 5: ...t assy 1 Lid battery case 4 Three screws BVTP 3 12 6 Open the CD lid in the direction of the arrow 2 Three screws BVTP 3 10 3 Screw BVTP 3 10 7 Screw BVTP 3 12 5 Remove the Handle in the direction of the arrow 8 Vol knob 9 Tone knob Volume lcd mono st main board Mechanism deck optical pick up section Control board Cabinet upper assy Front cabinet assy Set Power battery half battery voltage selecti...

Страница 6: ... in the direction of the arrow 2 Open the cassette holder assy by pressing STOP EJECT button 3 Open the CD lid in the direction of the arrow Rear cabinet STOP EJECT button Knob FT Chassis FT FINE TUNING board 7 Connector 9 Cabinet upper assy Front cabinet assy 2 CONTROL board 5 Two screws BVTP 2 6 8 1 Four screws BVTP 2 6 8 3 Screw BVTP 2 6 8 4 Knob TU 6 CD button ...

Страница 7: ...or 0 Connector 7 Connector 2 VOLUME board 4 LCD board 8 Flexible 3 Flexible 1 Three Screws BVTP 3 10 6 3 Two screws BVTP 3 10 0 Two screws BVTP 3 10 1 Four screws BVTP 3 10 5 POWER board Rear cabinet assy VOLTAGE SELECTION board Cover VOL SEL 8 BATTERY board 9 HALF BATTERY board 6 Two screws BVTP 3 8 7 Two connectors 4 Connector 2 Plate Transformer 4 5W shield ...

Страница 8: ...ECHANISM DECK OPTICAL PICK UP SECTION 9 Optical pick up section 4 Mechanism deck 3 Three screws BVTP 3 10 5 Two screws 6 Two screws 7 Remove solder 8 CD MOTOR board 1 Two screws BVTP 3 10 2 RECORD switch board ...

Страница 9: ...inet and fasten the screw 3 Turn the Knob TU in the direction of the arrow as shown in the illustration until pointer agrees with scale 0 at leftmost end of scale 4 Turn the tuning capacitor gear fully in the direction of the arrow as shown in the illustration 5 Fasten the front cabinet assy and rear cabinet assy with the screws 2 Screw BVTP 2 6 8 1 Pointer Knob TU Front Cabinet assy 3 Knob TU 4 T...

Страница 10: ...HANICAL ADJUSTMENT PRECAUTION 1 Clean the following parts with a denatured alchool moistened swab record playback head pinch roller erase head rubber belts capstans 2 Demagnetize the record playback head with a head demagnetizer Do not bring the head demagnetizer close to the erase head 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compoun...

Страница 11: ...MHz 87 0 MHz 87 35MHz CT2 109 5 MHz 107 8 MHz 108 3 MHz 108 25 MHz MW SECTION SW SECTION set AM rf signal generator telescopic antenna input 10 pF 30 amplitude modulation by 400 Hz signal output level as low as possible 32Ω set level meter J301 phones SW1 TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L5 CT5 2 2 MHz 7 3 MHz SW1 FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum re...

Страница 12: ...ification Value Adjustment Location MAIN board See page 13 BLACK 10 64MHz BLUE 10 67MHz RED 10 70MHz ORANGE 10 73MHz WHITE 10 76MHz 0 01µF FM RF SSG to FM ANT IN terminal Carrier frequency 98MHz IF frequency According to the color of CF1 Modulation no modulation Output level 0 1V 100dB color mark CF1 Frequency counter 75 950 76 050 Hz Frequency counter 0 01µF 33k Ω IC1 Pin 4 IC1 Pin 7 ...

Страница 13: ... SW2 Frequency Coverage Adjustment L6 SW1 Frequency Coverage Adjustment T1 FM IF Adjustment RV1 FM VCO Adjustment FM ANT IN terminal L3 MW Tracking Adjustment T2 MW IF Adjustment MW OSC MW OSC FM OSC FM OSC CT2 FM Frequency Coverage Adjustment CT4 MW Frequency Coverage Adjustment CT3 MW Tracking Adjustment CT1 FM Tracking Adjustment Set the CT2 FM OSC and CT4 MW OSC trimmers to their extreme outsi...

Страница 14: ...ly with no catching or abnormal noises 3 Press p button Confirm that focus search operation stops If it does not press p button again longer How to Enter the Set into Test Mode 1 Set the function switch to power off 2 Set the function switch to CD while key and p key pressing The set is into CD test mode 88 is displayed 3 Turn the power off to release test mode How to Exit the Test Mode Turn the P...

Страница 15: ... A frequency response analyzer is necessary in order to perform this check exactly However this gain has a margin so even if it is slightly off there is no problem Focus Tracking gain determines the pick up follow up vertical and horizontal relative to mechanical noise and mechanical shock when the 2 axis device operate Tracking Gain Symptoms Focus The time until music starts becomes longer for ST...

Страница 16: ...aveform low focus gain high focus gain low tracking gain high tracking gain high fundamental wave than for low gain MAIN BOARD Conductor side Incorrect Examples Fundamental wave appears 100mV 0V VOLT DIV 100mV TIME DIV 1ms VOLT DIV 100mV TIME DIV 2ms 200mV 0V VOLT DIV 100mV TIME DIV 2ms 75mV 0V VOLT DIV 0 2V TIME DIV 2ms 0V VOLT DIV 0 2V TIME DIV 2ms 0V VOLT DIV 0 2V TIME DIV 2ms 0V TP RF TP VC TP...

Страница 17: ...spect to ground under no signal detuned conditions For MAIN BOARD 1 3 no mark PLAY TAPE SECTION CD STOP REC TAPE SECTION For MAIN BOARD 2 3 no mark CD PLAY TAPE STOP For MAIN BOARD 3 3 no mark FM MW SW Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F FM E PB a REC J CD Abbreviation EA Saudi Arabia model SP Singapo...

Страница 18: ...BATTERY SIZE D IEC DESIGNATION R20 3PCS 4 5V DRY BATTERY SIZE D IEC DESIGNATION R20 3PCS 4 5V BATTERY BOARD VOLUME BOARD POWER BOARD CONTROL BOARD LCD BOARD CONNECTOR BOARD HALF BATTERY BOARD T901 POWER TRANSFORMER 1 672 956 BLU WHT RED RED WHT BLU YEL 1 3 5 1 3 5 S901 S901 VOLTAGE SELECTOR 110 120V 220 240V 1 672 960 VOLTAGE SELECTION BOARD J901 AC IN 1 672 958 1 673 261 DISPLAY ENTER PLAY MODE L...

Страница 19: ... to page 20 for Note on Schematic Diagram Refer to page 35 for IC Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 1 CN 301 2 REC MODE 30Vp p 55 2kHz 10V div 10µsec div C313 ...

Страница 20: ...ote on Schematic Diagram Refer to page 35 for IC Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 2 IC701 RFO 3 IC702 XTAO 0 2V div 0 5µsec div 2V div 50µsec div 104 5 Vp p 1 0 Vp p 16 9 MHz ...

Страница 21: ...CFD V77S 6 6 SCHEMATIC DIAGRAM MAIN BOARD 3 3 Refer to page 20 for Note on Schematic Diagram 31 32 Refer to page 35 for IC Block Diagrams ...

Страница 22: ...t used Open 39 XPCK Not used Open 40 GFS Not used Open 41 RFCK Not used Open 42 C2PO Not used Open 43 DVSS Digital ground 44 DVDD Digital power supply 5V 45 XROF Not used Open Pin No Pin name I O Description 46 MNT3 Not used Open 47 MNT1 Not used Open 48 MNT0 Not used Open 49 C4M Not used Open 50 DOUT Not used Open 51 EMPHI Not used Open 52 WFCK Not used Open 53 SCOR Not used Open 54 SBSO Not used...

Страница 23: ...F IN IF OUT GND_FE 2 3 5 4 6 7 8 9 10 1 11 12 13 14 15 16 17 18 19 20 30 29 28 27 26 25 24 23 22 21 FM IF DISCRI IC301 TA2068N 21 22 23 24 2 3 5 4 6 7 8 9 10 1 11 12 13 14 15 16 17 18 19 20 LOGIC 7dB 26dB 26dB 7dB ALC1 ALC2 DET MIC AMP1 1k 10k NAB AMP2 NAB AMP1 ON MUTE MUTE MUTE BUF AMP A2 BUF AMP A1 BUF AMP B1 BUF AMP B2 TAPE TAPE TAPE LINE RADIO 10k 10k 10k 1k 1k 10k 10k 10k 10k 10k 10k 10k 10k ...

Страница 24: ...OH FOL TGH TGL BALH BALL ATSC TZC FZC FSET TG2 VEE VCC FS1 FS2 FOCUS PHASE COMPENSATION DFCT FS4 TRACKING PHASE COMPENSATION TG1 TM1 DFCT FZC COMP VEE VCC VCC TDFCT TZC COMP ATSC WINDOW COMP E F BALANCE WINDOW COMP TRK GAIN WINDOW COMP FO BIAS WINDOW COMP VEE TGFL TOG1 TOG2 TOG3 TOG4 BAL1 BAL2 BAL3 BAL4 IFB1 IFB2 IFB3 IFB4 IFB5 IFB6 FE AMP VEE E IV AMP F IV AMP VCC APC VCC VEE LASER POWER CONTROL ...

Страница 25: ...DOWN REG VOLTAGE DOWN BIAS VOLTAGE DOWN THERMAL SHUT DOWN MONITOR DRIVE DRIVE DRIVE DRIVE DRIVE DRIVE SL SL SL IN RESET REGB REGO MUTE GND SP IN SP IN SP SP GND SPO GND F F FIN FIN VREF VCC VCC TIN TIN T T VREF SP I DRIVE DRIVE 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Страница 26: ... in the last of this parts list SECTION 7 EXPLODED VIEWS 38 When indicating parts by reference number please include the board name The components identified by mark or dot ted line with mark are critical for safety Replace only with part number specified Ref No Part No Description Remarks Ref No Part No Description Remarks 7 1 FRONT CABINET SECTION 1 X 3377 295 1 CABINET FRONT SUB ASSY EA AEP CEF...

Страница 27: ...11 BATTERY BOARD 65 3 028 154 01 TERMINAL BATT 66 4 960 167 01 SCREW 3 8 DIA 10 WH 67 1 672 358 11 HALF BATTERY BOARD 68 3 036 134 01 LID BATTERY CASE E SP 68 3 926 244 81 LID BATTERY CASE EA AEP CEF CET 69 3 032 549 01 CABINET REAR AEP CEF CET 69 3 032 549 11 CABINET REAR EA 69 3 032 549 21 CABINET REAR E SP 70 3 034 633 01 COVER VOL SEL E EA SP 71 1 672 960 11 VOLTAGE SELECTION BOARD E EA SP ANT...

Страница 28: ...RE FLAT TYPE 16 CORE 120 3 910 095 31 RUBBER VIBRATION PROOF 121 3 921 725 01 SCREW 2 6 10 PWH 122 1 773 119 11 WIRE FLAT TYPE 19 CORE 123 4 951 620 01 SCREW 2 6 8 BVTP 124 3 031 537 61 CABINET UPPER EA AEP CEF CET 124 3 031 537 71 CABINET UPPER E SP 125 3 910 095 21 RUBBER VIBRATION PROOF 126 3 032 102 01 GEAR PVC 3 BAND EA 128 1 639 678 12 CDMOTOR BOARD 129 3 031 554 01 KNOB FT EA 130 3 031 555 ...

Страница 29: ...933 019 01 SPRING F R TORSION 156 3 933 028 01 SPRING FWD TORSION 157 3 933 016 01 GEAR S REEL 158 3 008 590 01 SLIDER REC 159 3 008 592 01 BASE H HEAD 160 3 008 588 01 SLIDER REW 161 3 008 589 13 SLIDER FF 162 3 008 587 01 SLIDER STOP 163 3 008 591 01 SLIDER PAUSE 164 3 933 004 01 CLAW REEL 165 3 933 021 01 SLIDER FRP 166 3 933 006 01 SLIDER EJECT 167 3 934 833 01 SPRING FRP 168 3 022 794 02 SPRI...

Страница 30: ... 206 3 932 999 01 SLIDER SW 207 3 932 998 01 SPRING GROUND TORSION 208 3 009 648 01 LEVER S OFF 209 3 936 438 01 LEVER K 210 X 3373 572 1 REEL ASSY N T 211 3 933 020 01 BELT 212 X 3372 924 1 FLYWHEEL ASSY 213 3 932 993 01 CHASSIS OUTSERT 214 3 343 358 01 RING RETAINING 215 3 933 005 01 SPRING CAM COMPRESSION 216 3 939 383 02 SPRING COMPRESSION 217 3 937 760 01 SPRING GROUND COMPRESSION 218 3 934 3...

Страница 31: ...2 253 254 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 251 2 626 908 01 SHAFT SLED 252 2 627 003 02 GEAR B RP 253 2 626 907 01 GEAR A S 254 8 848 483 05 OPTICAL PICK UP KSS 213C 255 X 2626 202 1 CHASSIS ASSY MB RP MOTOR SPINDLE INCLUDING M702 M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED ...

Страница 32: ...PIN CONNECTOR PC BOARD 7P 1 672 958 11 CONTROL BOARD RESISTOR R860 1 249 417 11 CARBON 1K 5 1 4W F E EA SP R861 1 249 417 11 CARBON 1K 5 1 4W F E EA SP R862 1 249 417 11 CARBON 1K 5 1 4W F E EA SP R863 1 249 417 11 CARBON 1K 5 1 4W F E EA SP SWITCH S801 1 762 798 11 SWITCH KEYBOARD MODE S802 1 762 798 11 SWITCH KEYBOARD DISPLAY ENTER S803 1 762 798 11 SWITCH KEYBOARD PLAY S804 1 762 798 11 SWITCH ...

Страница 33: ...0 ELECT 100uF 20 10V C154 1 124 443 00 ELECT 100uF 20 10V C155 1 104 664 11 ELECT 47uF 20 10V C156 1 136 165 00 FILM 0 1uF 5 50V C157 1 127 883 21 CERAMIC 0 039uF 10 50V C158 1 162 302 11 CERAMIC 0 0022uF 20 16V C159 1 104 664 11 ELECT 47uF 20 10V C160 1 136 165 00 FILM 0 1uF 5 50V C161 1 124 443 00 ELECT 100uF 20 10V C162 1 124 907 11 ELECT 10uF 20 50V C201 1 162 301 11 CERAMIC 0 0015uF 20 16V C2...

Страница 34: ...CERAMIC 15PF 5 50V C817 1 162 306 11 CERAMIC 0 01uF 20 16V C818 1 162 306 11 CERAMIC 0 01uF 20 16V C819 1 162 306 11 CERAMIC 0 01uF 20 16V C820 1 137 194 81 FILM 0 47uF 5 50V C821 1 162 306 11 CERAMIC 0 01uF 20 16V C822 1 162 290 31 CERAMIC 470PF 10 50V C823 1 162 286 21 CERAMIC 220PF 10 50V C824 1 136 169 00 FILM 0 22uF 5 50V C825 1 162 306 11 CERAMIC 0 01uF 20 16V C826 1 162 306 11 CERAMIC 0 01u...

Страница 35: ...ON 15K 5 1 4W R102 1 249 404 00 CARBON 82 5 1 4W F R103 1 249 441 11 CARBON 100K 5 1 4W R104 1 247 843 11 CARBON 3 3K 5 1 4W R105 1 249 434 11 CARBON 27K 5 1 4W R106 1 249 421 11 CARBON 2 2K 5 1 4W F R109 1 249 426 11 CARBON 5 6K 5 1 4W R110 1 247 807 31 CARBON 100 5 1 4W R121 1 249 415 11 CARBON 680 5 1 4W F R122 1 247 843 11 CARBON 3 3K 5 1 4W R123 1 247 895 91 CARBON 470K 5 1 4W R124 1 247 815 ...

Страница 36: ...BON 150K 5 1 4W R726 1 247 876 11 CARBON 75K 5 1 4W R727 1 249 437 11 CARBON 47K 5 1 4W R728 1 249 441 11 CARBON 100K 5 1 4W R729 1 249 430 11 CARBON 12K 5 1 4W R730 1 249 435 11 CARBON 33K 5 1 4W R731 1 247 863 91 CARBON 22K 5 1 4W R734 1 247 843 11 CARBON 3 3K 5 1 4W R735 1 249 427 11 CARBON 6 8K 5 1 4W F R736 1 247 863 91 CARBON 22K 5 1 4W R737 1 247 843 11 CARBON 3 3K 5 1 4W R738 1 249 435 11 ...

Страница 37: ...TRUCTION FRENCH GERMAN EA SP AEP 3 865 316 51 MANUAL INSTRUCTION DUTCH PORTUGUESE E AEP 3 865 316 61 MANUAL INSTRUCTION ITALIAN CEF 3 865 316 71 MANUAL INSTRUCTION POLISH CZECH HUNGARIAN CET 3 865 316 81 MANUAL INSTRUCTION SWEDISH FINNISH CET 3 865 326 21 MANUAL INSTRUCTION ARABIC EA Ref No Part No Description Remarks VOLUME RECORD SWITCH The components identified by mark or dotted line with mark ...

Страница 38: ...5 647 79 SCREW BVTP 3 10 TYPE2 N S 2 7 685 647 14 SCREW BVTP 3 10 TYPE2 N S 3 7 682 548 04 SCREW B 3 8 4 7 621 775 20 SCREW B 2 6 5 5 7 621 770 87 SCREW B 2 6 5 6 7 685 648 79 SCREW BVTP 3 12 TYPE2 N S Ref No Part No Description Remarks The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified ...

Страница 39: ...Saudi Arabia Other models 530 1 605 kHz or 531 1 602 kHz SW1 2 3 7 MHz SW2 7 22 MHz IF FM 10 7 MHz AM MW 455 kHz Aerials FM Telescopic aerial MW Built in ferrite bar aerial Cassette corder section Recording system 4 track 2 channel stereo Fast winding time Approx 120 s sec with Sony cassette C 60 Frequency response TYPE I normal 70 10 000 Hz General Speakers Full range 10 cm dia 6 Ω cone type 2 Ou...

Страница 40: ...correcting the original service problem perform the following safety checks before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a ret...

Страница 41: ...ive lens CHUCK PLATE JIG ON REPAIRING On repairing CD section playing a disc without the CD lid use Chuck Plate Jig Code number of Chuck Plate Jig X 4918 255 1 LASER DIODE AND FOCUS SEARCH OPERATION CHECK 1 Press CD open knob 2 Open the lid for CD 3 Push on SWITCH S801 as following figure 4 Confirm the laser diode emission while observing the objecting lens When there is no emission Auto Power Con...

Страница 42: ... LID 3 FM rod antenna 4 DISPLAY ENTER button 5 CD button 6 CD 6 PUSH OPEN CLOSE button 7 CD button 8 CD p button 9 Battery compartment º TUNE knob CD button DIAL BAND switch FUNCTION switch OPR BATT indicator TONE knob 2 Phones jack MEGA BASS knob ª AC IN jack º VOLUME knob PLAY MODE button Information display FINE TUNING knob 1 2 3 4 5 6 7 8 9 0 ª º ...

Страница 43: ...t assy 1 Lid battery case 4 Three screws BVTP 3 12 6 Open the CD lid in the direction of the arrow 2 Three screws BVTP 3 10 3 Screw BVTP 3 10 7 Screw BVTP 3 12 5 Remove the Handle in the direction of the arrow 8 Vol knob 9 Tone knob Volume lcd mono st main board Mechanism deck optical pick up section Control board Cabinet upper assy Front cabinet assy Set Power battery half battery voltage selecti...

Страница 44: ... in the direction of the arrow 2 Open the cassette holder assy by pressing STOP EJECT button 3 Open the CD lid in the direction of the arrow Rear cabinet STOP EJECT button Knob FT Chassis FT FINE TUNING board 7 Connector 9 Cabinet upper assy Front cabinet assy 2 CONTROL board 5 Two screws BVTP 2 6 8 1 Four screws BVTP 2 6 8 3 Screw BVTP 2 6 8 4 Knob TU 6 CD button ...

Страница 45: ...or 0 Connector 7 Connector 2 VOLUME board 4 LCD board 8 Flexible 3 Flexible 1 Three Screws BVTP 3 10 6 3 Two screws BVTP 3 10 0 Two screws BVTP 3 10 1 Four screws BVTP 3 10 5 POWER board Rear cabinet assy VOLTAGE SELECTION board Cover VOL SEL 8 BATTERY board 9 HALF BATTERY board 6 Two screws BVTP 3 8 7 Two connectors 4 Connector 2 Plate Transformer 4 5W shield ...

Страница 46: ...ECHANISM DECK OPTICAL PICK UP SECTION 9 Optical pick up section 4 Mechanism deck 3 Three screws BVTP 3 10 5 Two screws 6 Two screws 7 Remove solder 8 CD MOTOR board 1 Two screws BVTP 3 10 2 RECORD switch board ...

Страница 47: ...inet and fasten the screw 3 Turn the Knob TU in the direction of the arrow as shown in the illustration until pointer agrees with scale 0 at leftmost end of scale 4 Turn the tuning capacitor gear fully in the direction of the arrow as shown in the illustration 5 Fasten the front cabinet assy and rear cabinet assy with the screws 2 Screw BVTP 2 6 8 1 Pointer Knob TU Front Cabinet assy 3 Knob TU 4 T...

Страница 48: ...HANICAL ADJUSTMENT PRECAUTION 1 Clean the following parts with a denatured alchool moistened swab record playback head pinch roller erase head rubber belts capstans 2 Demagnetize the record playback head with a head demagnetizer Do not bring the head demagnetizer close to the erase head 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compoun...

Страница 49: ...MHz 87 0 MHz 87 35MHz CT2 109 5 MHz 107 8 MHz 108 3 MHz 108 25 MHz MW SECTION SW SECTION set AM rf signal generator telescopic antenna input 10 pF 30 amplitude modulation by 400 Hz signal output level as low as possible 32Ω set level meter J301 phones SW1 TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L5 CT5 2 2 MHz 7 3 MHz SW1 FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum re...

Страница 50: ...ification Value Adjustment Location MAIN board See page 13 BLACK 10 64MHz BLUE 10 67MHz RED 10 70MHz ORANGE 10 73MHz WHITE 10 76MHz 0 01µF FM RF SSG to FM ANT IN terminal Carrier frequency 98MHz IF frequency According to the color of CF1 Modulation no modulation Output level 0 1V 100dB color mark CF1 Frequency counter 75 950 76 050 Hz Frequency counter 0 01µF 33k Ω IC1 Pin 4 IC1 Pin 7 ...

Страница 51: ... SW2 Frequency Coverage Adjustment L6 SW1 Frequency Coverage Adjustment T1 FM IF Adjustment RV1 FM VCO Adjustment FM ANT IN terminal L3 MW Tracking Adjustment T2 MW IF Adjustment MW OSC MW OSC FM OSC FM OSC CT2 FM Frequency Coverage Adjustment CT4 MW Frequency Coverage Adjustment CT3 MW Tracking Adjustment CT1 FM Tracking Adjustment Set the CT2 FM OSC and CT4 MW OSC trimmers to their extreme outsi...

Страница 52: ...ly with no catching or abnormal noises 3 Press p button Confirm that focus search operation stops If it does not press p button again longer How to Enter the Set into Test Mode 1 Set the function switch to power off 2 Set the function switch to CD while key and p key pressing The set is into CD test mode 88 is displayed 3 Turn the power off to release test mode How to Exit the Test Mode Turn the P...

Страница 53: ... A frequency response analyzer is necessary in order to perform this check exactly However this gain has a margin so even if it is slightly off there is no problem Focus Tracking gain determines the pick up follow up vertical and horizontal relative to mechanical noise and mechanical shock when the 2 axis device operate Tracking Gain Symptoms Focus The time until music starts becomes longer for ST...

Страница 54: ...aveform low focus gain high focus gain low tracking gain high tracking gain high fundamental wave than for low gain MAIN BOARD Conductor side Incorrect Examples Fundamental wave appears 100mV 0V VOLT DIV 100mV TIME DIV 1ms VOLT DIV 100mV TIME DIV 2ms 200mV 0V VOLT DIV 100mV TIME DIV 2ms 75mV 0V VOLT DIV 0 2V TIME DIV 2ms 0V VOLT DIV 0 2V TIME DIV 2ms 0V VOLT DIV 0 2V TIME DIV 2ms 0V TP RF TP VC TP...

Страница 55: ...spect to ground under no signal detuned conditions For MAIN BOARD 1 3 no mark PLAY TAPE SECTION CD STOP REC TAPE SECTION For MAIN BOARD 2 3 no mark CD PLAY TAPE STOP For MAIN BOARD 3 3 no mark FM MW SW Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F FM E PB a REC J CD Abbreviation EA Saudi Arabia model SP Singapo...

Страница 56: ...BATTERY SIZE D IEC DESIGNATION R20 3PCS 4 5V DRY BATTERY SIZE D IEC DESIGNATION R20 3PCS 4 5V BATTERY BOARD VOLUME BOARD POWER BOARD CONTROL BOARD LCD BOARD CONNECTOR BOARD HALF BATTERY BOARD T901 POWER TRANSFORMER 1 672 956 BLU WHT RED RED WHT BLU YEL 1 3 5 1 3 5 S901 S901 VOLTAGE SELECTOR 110 120V 220 240V 1 672 960 VOLTAGE SELECTION BOARD J901 AC IN 1 672 958 1 673 261 DISPLAY ENTER PLAY MODE L...

Страница 57: ... to page 20 for Note on Schematic Diagram Refer to page 35 for IC Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 1 CN 301 2 REC MODE 30Vp p 55 2kHz 10V div 10µsec div C313 ...

Страница 58: ...ote on Schematic Diagram Refer to page 35 for IC Block Diagrams The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 2 IC701 RFO 3 IC702 XTAO 0 2V div 0 5µsec div 2V div 50µsec div 104 5 Vp p 1 0 Vp p 16 9 MHz ...

Страница 59: ...CFD V77S 6 6 SCHEMATIC DIAGRAM MAIN BOARD 3 3 Refer to page 20 for Note on Schematic Diagram 31 32 Refer to page 35 for IC Block Diagrams ...

Страница 60: ...t used Open 39 XPCK Not used Open 40 GFS Not used Open 41 RFCK Not used Open 42 C2PO Not used Open 43 DVSS Digital ground 44 DVDD Digital power supply 5V 45 XROF Not used Open Pin No Pin name I O Description 46 MNT3 Not used Open 47 MNT1 Not used Open 48 MNT0 Not used Open 49 C4M Not used Open 50 DOUT Not used Open 51 EMPHI Not used Open 52 WFCK Not used Open 53 SCOR Not used Open 54 SBSO Not used...

Страница 61: ...F IN IF OUT GND_FE 2 3 5 4 6 7 8 9 10 1 11 12 13 14 15 16 17 18 19 20 30 29 28 27 26 25 24 23 22 21 FM IF DISCRI IC301 TA2068N 21 22 23 24 2 3 5 4 6 7 8 9 10 1 11 12 13 14 15 16 17 18 19 20 LOGIC 7dB 26dB 26dB 7dB ALC1 ALC2 DET MIC AMP1 1k 10k NAB AMP2 NAB AMP1 ON MUTE MUTE MUTE BUF AMP A2 BUF AMP A1 BUF AMP B1 BUF AMP B2 TAPE TAPE TAPE LINE RADIO 10k 10k 10k 1k 1k 10k 10k 10k 10k 10k 10k 10k 10k ...

Страница 62: ...OH FOL TGH TGL BALH BALL ATSC TZC FZC FSET TG2 VEE VCC FS1 FS2 FOCUS PHASE COMPENSATION DFCT FS4 TRACKING PHASE COMPENSATION TG1 TM1 DFCT FZC COMP VEE VCC VCC TDFCT TZC COMP ATSC WINDOW COMP E F BALANCE WINDOW COMP TRK GAIN WINDOW COMP FO BIAS WINDOW COMP VEE TGFL TOG1 TOG2 TOG3 TOG4 BAL1 BAL2 BAL3 BAL4 IFB1 IFB2 IFB3 IFB4 IFB5 IFB6 FE AMP VEE E IV AMP F IV AMP VCC APC VCC VEE LASER POWER CONTROL ...

Страница 63: ...DOWN REG VOLTAGE DOWN BIAS VOLTAGE DOWN THERMAL SHUT DOWN MONITOR DRIVE DRIVE DRIVE DRIVE DRIVE DRIVE SL SL SL IN RESET REGB REGO MUTE GND SP IN SP IN SP SP GND SPO GND F F FIN FIN VREF VCC VCC TIN TIN T T VREF SP I DRIVE DRIVE 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Страница 64: ... in the last of this parts list SECTION 7 EXPLODED VIEWS 38 When indicating parts by reference number please include the board name The components identified by mark or dot ted line with mark are critical for safety Replace only with part number specified Ref No Part No Description Remarks Ref No Part No Description Remarks 7 1 FRONT CABINET SECTION 1 X 3377 295 1 CABINET FRONT SUB ASSY EA AEP CEF...

Страница 65: ...11 BATTERY BOARD 65 3 028 154 01 TERMINAL BATT 66 4 960 167 01 SCREW 3 8 DIA 10 WH 67 1 672 358 11 HALF BATTERY BOARD 68 3 036 134 01 LID BATTERY CASE E SP 68 3 926 244 81 LID BATTERY CASE EA AEP CEF CET 69 3 032 549 01 CABINET REAR AEP CEF CET 69 3 032 549 11 CABINET REAR EA 69 3 032 549 21 CABINET REAR E SP 70 3 034 633 01 COVER VOL SEL E EA SP 71 1 672 960 11 VOLTAGE SELECTION BOARD E EA SP ANT...

Страница 66: ...RE FLAT TYPE 16 CORE 120 3 910 095 31 RUBBER VIBRATION PROOF 121 3 921 725 01 SCREW 2 6 10 PWH 122 1 773 119 11 WIRE FLAT TYPE 19 CORE 123 4 951 620 01 SCREW 2 6 8 BVTP 124 3 031 537 61 CABINET UPPER EA AEP CEF CET 124 3 031 537 71 CABINET UPPER E SP 125 3 910 095 21 RUBBER VIBRATION PROOF 126 3 032 102 01 GEAR PVC 3 BAND EA 128 1 639 678 12 CDMOTOR BOARD 129 3 031 554 01 KNOB FT EA 130 3 031 555 ...

Страница 67: ...933 019 01 SPRING F R TORSION 156 3 933 028 01 SPRING FWD TORSION 157 3 933 016 01 GEAR S REEL 158 3 008 590 01 SLIDER REC 159 3 008 592 01 BASE H HEAD 160 3 008 588 01 SLIDER REW 161 3 008 589 13 SLIDER FF 162 3 008 587 01 SLIDER STOP 163 3 008 591 01 SLIDER PAUSE 164 3 933 004 01 CLAW REEL 165 3 933 021 01 SLIDER FRP 166 3 933 006 01 SLIDER EJECT 167 3 934 833 01 SPRING FRP 168 3 022 794 02 SPRI...

Страница 68: ... 206 3 932 999 01 SLIDER SW 207 3 932 998 01 SPRING GROUND TORSION 208 3 009 648 01 LEVER S OFF 209 3 936 438 01 LEVER K 210 X 3373 572 1 REEL ASSY N T 211 3 933 020 01 BELT 212 X 3372 924 1 FLYWHEEL ASSY 213 3 932 993 01 CHASSIS OUTSERT 214 3 343 358 01 RING RETAINING 215 3 933 005 01 SPRING CAM COMPRESSION 216 3 939 383 02 SPRING COMPRESSION 217 3 937 760 01 SPRING GROUND COMPRESSION 218 3 934 3...

Страница 69: ...2 253 254 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 251 2 626 908 01 SHAFT SLED 252 2 627 003 02 GEAR B RP 253 2 626 907 01 GEAR A S 254 8 848 483 05 OPTICAL PICK UP KSS 213C 255 X 2626 202 1 CHASSIS ASSY MB RP MOTOR SPINDLE INCLUDING M702 M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED ...

Страница 70: ...PIN CONNECTOR PC BOARD 7P 1 672 958 11 CONTROL BOARD RESISTOR R860 1 249 417 11 CARBON 1K 5 1 4W F E EA SP R861 1 249 417 11 CARBON 1K 5 1 4W F E EA SP R862 1 249 417 11 CARBON 1K 5 1 4W F E EA SP R863 1 249 417 11 CARBON 1K 5 1 4W F E EA SP SWITCH S801 1 762 798 11 SWITCH KEYBOARD MODE S802 1 762 798 11 SWITCH KEYBOARD DISPLAY ENTER S803 1 762 798 11 SWITCH KEYBOARD PLAY S804 1 762 798 11 SWITCH ...

Страница 71: ...0 ELECT 100uF 20 10V C154 1 124 443 00 ELECT 100uF 20 10V C155 1 104 664 11 ELECT 47uF 20 10V C156 1 136 165 00 FILM 0 1uF 5 50V C157 1 127 883 21 CERAMIC 0 039uF 10 50V C158 1 162 302 11 CERAMIC 0 0022uF 20 16V C159 1 104 664 11 ELECT 47uF 20 10V C160 1 136 165 00 FILM 0 1uF 5 50V C161 1 124 443 00 ELECT 100uF 20 10V C162 1 124 907 11 ELECT 10uF 20 50V C201 1 162 301 11 CERAMIC 0 0015uF 20 16V C2...

Страница 72: ...CERAMIC 15PF 5 50V C817 1 162 306 11 CERAMIC 0 01uF 20 16V C818 1 162 306 11 CERAMIC 0 01uF 20 16V C819 1 162 306 11 CERAMIC 0 01uF 20 16V C820 1 137 194 81 FILM 0 47uF 5 50V C821 1 162 306 11 CERAMIC 0 01uF 20 16V C822 1 162 290 31 CERAMIC 470PF 10 50V C823 1 162 286 21 CERAMIC 220PF 10 50V C824 1 136 169 00 FILM 0 22uF 5 50V C825 1 162 306 11 CERAMIC 0 01uF 20 16V C826 1 162 306 11 CERAMIC 0 01u...

Страница 73: ...ON 15K 5 1 4W R102 1 249 404 00 CARBON 82 5 1 4W F R103 1 249 441 11 CARBON 100K 5 1 4W R104 1 247 843 11 CARBON 3 3K 5 1 4W R105 1 249 434 11 CARBON 27K 5 1 4W R106 1 249 421 11 CARBON 2 2K 5 1 4W F R109 1 249 426 11 CARBON 5 6K 5 1 4W R110 1 247 807 31 CARBON 100 5 1 4W R121 1 249 415 11 CARBON 680 5 1 4W F R122 1 247 843 11 CARBON 3 3K 5 1 4W R123 1 247 895 91 CARBON 470K 5 1 4W R124 1 247 815 ...

Страница 74: ...BON 150K 5 1 4W R726 1 247 876 11 CARBON 75K 5 1 4W R727 1 249 437 11 CARBON 47K 5 1 4W R728 1 249 441 11 CARBON 100K 5 1 4W R729 1 249 430 11 CARBON 12K 5 1 4W R730 1 249 435 11 CARBON 33K 5 1 4W R731 1 247 863 91 CARBON 22K 5 1 4W R734 1 247 843 11 CARBON 3 3K 5 1 4W R735 1 249 427 11 CARBON 6 8K 5 1 4W F R736 1 247 863 91 CARBON 22K 5 1 4W R737 1 247 843 11 CARBON 3 3K 5 1 4W R738 1 249 435 11 ...

Страница 75: ...TRUCTION FRENCH GERMAN EA SP AEP 3 865 316 51 MANUAL INSTRUCTION DUTCH PORTUGUESE E AEP 3 865 316 61 MANUAL INSTRUCTION ITALIAN CEF 3 865 316 71 MANUAL INSTRUCTION POLISH CZECH HUNGARIAN CET 3 865 316 81 MANUAL INSTRUCTION SWEDISH FINNISH CET 3 865 326 21 MANUAL INSTRUCTION ARABIC EA Ref No Part No Description Remarks VOLUME RECORD SWITCH The components identified by mark or dotted line with mark ...

Страница 76: ...5 647 79 SCREW BVTP 3 10 TYPE2 N S 2 7 685 647 14 SCREW BVTP 3 10 TYPE2 N S 3 7 682 548 04 SCREW B 3 8 4 7 621 775 20 SCREW B 2 6 5 5 7 621 770 87 SCREW B 2 6 5 6 7 685 648 79 SCREW BVTP 3 12 TYPE2 N S Ref No Part No Description Remarks The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified ...

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