Sony CFD-V37 Скачать руководство пользователя страница 9

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FM VCO Adjustment

Procedure :

1. Connect frequency counter to the positions shown below.
2. Tune the set to 98MHz.
3. Adjust the RV1, so that the frequency counter reading becomes

76,000Hz.

Specification Value :

Digital frequency counter
75,950 – 76,050 Hz

0.01

FM RF SSG

telescpic
antenna
input(ANT1)

Carrier frequency : 98MHz
IF frequency : According to
the color of CF1.
Modulation : no modulation
Output level : 0.1V (100dB)

Frequency counter

0.01

+
–

33k

Ω

IC1 Pin

BLACK

10.64MHz

BLUE

10.67MHz

RED

10.70MHz

ORANGE

10.73MHz

WHITE

10.76MHz

color
mark

CF1

Adjustment Location : MAIN board (Component side)

CF1

RV1

IC701

CT1 (1/4)

CT1 (2/4)

FM Tracking
Adjustment

CT1 (3/4)

AM Tracking
Adjustment

FM Frequency Coverage
Adjustment

CT1 (4/4)

ANT 1

AM Frequency Coverage
Adjustment

T2 : AM IF Adjustment

RV1 : FM VCO

Adjustment

T1 : FM IF

Adjustment

IC1 : VCO
Frequency counter

IC1

Содержание CFD-V37

Страница 1: ...requency response 20 20 000 Hz 1 2 dB Wow and flutter Below measurable limit Radio section Frequency range FM 87 6 107 MHz E4 EA 87 6 108 MHz E92 AM 530 1 605 MHz E4 EA 530 1 710 MHz E92 IF FM 10 7MHz AM 455kHz Aerials FM Telescopic aerial AM 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 Freq...

Страница 2: ... Mechanism Deck Setion 2 MF V10 117 39 6 6 Optical Pick up Section KSM 213CDM 40 7 ELECTRICAL PARTS LIST 41 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINEWITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY...

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 S501 as following figure 4 Confirm the laser diode emission while observing the objecting lens When there is no emission Auto Power Con...

Страница 4: ... 7 OPR BATT indicator 8 TUNING knob 9 Information display º TONE H button CD operating TONE L button 2 DISPLAY ENTER button VOLUME button PLAY MODE button MEGA BASS button VOLUME button 1 POWER AC ONLY button 2 Number buttons 3 VOL buttons 4 CD operation buttons 5 CD button 6 TAPE button 7 LOOP button 8 BAND select buttons 9 TONE H L buttons º MODE button MEGA BASS button Remote commander ...

Страница 5: ...e removed using the following procedure 3 1 FRONT CABINET CONTROL 1 BOARD CONTROL 2 BOARD HEADPHONE BOARD 1 Three screws BVTP 3 12 4 Two screws BVTP 3 12 2 STOP EJECT Handle Upper cabinet Tape operation button Rear cabinet 6 5 7 3 3 2 UPPER CABINET Front cabinet Rear cabinet 7 CONTROL 1 board CONTROL 2 board 6 Five screws BVTP 2 6 8 Screw BVTP 2 6 8 8 Two screws BVTP 2 6 8 0 Seven screws BVTP 2 6 ...

Страница 6: ...hanism deck 4 REC SW board BATT board 7 MAIN board PRIMARY board Rear cabinet 3 Two screws BVTP 3 10 6 Three screws BVTP 3 10 9 Three screws BVTP 3 10 Three screws BVTP 3 10 5 CNP301 4pin 8 Chassis PWB 0 POWER board 3 Wire Flat type 16 core to MAIN board CNP701 2 CNP702 6pin 1 5 CD Motor board Optical pick up section 4 Remove solder ...

Страница 7: ... 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 compound to the parts adjusted Torque Measurement Tape Tension Measurement Meter Reading 60g cm 0 42 0 83 oz inch 1 5g cm 0 0...

Страница 8: ... ADJUSTMENT Adjust for a maximum reading on level meter L1 87 35MHz 86 5MHz CT1 1 4 107 8MHz 109 5MHz AM SECTION FM SECTION Put the lead wire antenna close to the set 30 amplitude modulation by 400Hz signal Output level as low as possible AM RF signal generator 0 01µF FM RF signal generator telescopic antenna input ANT1 75kHz 100 amplitude modulation by 1kHz signal Output level as low as possible ...

Страница 9: ...color of CF1 Modulation no modulation Output level 0 1V 100dB Frequency counter 0 01µF 33k Ω IC1 Pin 4 IC1 Pin 7 BLACK 10 64MHz BLUE 10 67MHz RED 10 70MHz ORANGE 10 73MHz WHITE 10 76MHz color mark CF1 Adjustment Location MAIN board Component side CF1 T2 L2 L4 L3 T1 RV1 IC701 CT1 1 4 CT1 2 4 L1 L2 FM Tracking Adjustment CT1 3 4 L3 AM Tracking Adjustment FM Frequency Coverage Adjustment CT1 4 4 L4 A...

Страница 10: ...ss 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 Disconnect the AC power cord 2 Short circuit the lands as shown on the CONTROL 1 board 3 Connect theAC power LCD 501 indicator blinks the test mode pattern How to Exit the Test Mode Turn off the POWER CONTROL 1 BOARD CONDUCTOR SIDE CD SECTION E F Balance Check Adju...

Страница 11: ...nt side See page 12 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 be...

Страница 12: ... tracking waveform low focus gain high focus gain low tracking gain high tracking gain high fundamental wave than for low gain MAIN BOARD 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 1V TIME DIV 2ms 0V VOLT DIV 1V TIME DIV 2ms 0V VOLT DIV 1V TIME DIV 2ms 0V TP FE TP RF TP TE TP TE TP FE TP VC TP VC Osilloscope DC range Incor...

Страница 13: ... REC SW board BATT board VOL SEL board CD MOTOR board MAIN board POWER board LED board CONTROL 2 board CONTROL 1 board PRIMARY board HEADPHONE board RMC board SECTION 5 DIAGRAMS 5 1 CIRCUIT BOARDS LOCATION ...

Страница 14: ...IVE TONE key Input from VOCAL TONE key Input from VOL key Input from VOL key Mode check from RADIO SOUND Open close sense from CD door Input from RADIO BAND switch Input from CD key A D Input from TAPE FUNCTION key Input from FM RADIO key Input from AM FUNCTION key Input from CD FUNCTION key Reset input 4 19 MHz input 4 19 MHz output Microprocessor reference GND ON OFF terminal of LCD drive port L...

Страница 15: ...CUS TRACKING COIL SLED SPINDLE MOTOR DRIVER IC703 1 2 SPINDLE MOTOR DRIVER IC701 CD RF SERVO PROSSESOR 26 19 T IN 27 17 18 VR PD PD 2 1 12 11 25 F IN 3 SL IN 9 14 15 SP IN 7 MUTE F F T T SL SL SP SP M M M702 SLED M701 SPINDOL S701 LIMIT L OUT R OUT IC703 SIGNAL PROCESSOR D A CONVERTER 16 L4 AM OSC 20 CD L R CH R CH R CH L CH HRP901 REC PB HEAD HE901 ERASE HEAD BIAS OSC Q301 IC301 PRE AMP 16 14 5 4...

Страница 16: ...508 E 17 D509 D 17 D511 G 17 D512 G 14 D513 G 14 D606 B 9 D901 G 2 D902 G 2 D903 H 3 D904 H 3 D905 G 4 D906 E 5 D907 H 4 D908 H 4 D953 I 7 D954 I 7 D955 I 9 D957 I 9 IC1 F 19 IC301 J 15 IC302 F 9 IC304 F 7 IC501 F 16 IC502 G 14 IC503 F 17 IC601 C 18 IC701 I 21 IC702 H 19 IC703 I 17 Q1 E 18 Q301 I 13 Q308 H 9 Q309 G 7 Q501 F 18 Q502 G 14 Q503 G 14 Q504 G 17 Q505 F 18 Q701 J 21 Q951 I 8 Q952 I 8 Q95...

Страница 17: ... Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Waveforms are taken with a oscilloscope Signal path F FM f AM Abbreviation E4 220V 240V AC area EA Saudi Arabia E92 120V AV area Waveform 1 IC501 2 IC501 4 0Vp p 4 5Vp p 4 0MHz 500kHz 1 0V div 0 1µsec div 1 0V div 1 0µsec div E92 MODEL L2 CT1 2 4 L1 CT1 1 4 FM FREQUENCY COVERAGE L4 CT1 4 4 E4 EA MODEL 4 7p E...

Страница 18: ...und un der no signal detuned conditions no mark CD PLAY TAPE PLAY TAPE REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Waveforms are taken with a oscilloscope Signal path F FM E PB a REC J CD Waveform 3 T301 REC 40Vp p 52 75kHz 10V div 10µsec div Note The components identified by mark or dotted line with mark are critical ...

Страница 19: ... 1 28 27 26 25 24 23 22 21 20 19 18 17 16 REG FM FRONT END AM FRONT END VCO MPX REG 1 2 COUNTER 1 2 COUNTER PD1 PD2 MUTING DECODER AMP MONO ST SELECT RIPPLE FILTER AUTOBLEND BAND PASS MUTE TUNING INDICATOR FM IF DISCRI AM IF DET GND PLL LPF2 MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG FM RF AM RF IN FM RF IN BAND SELECT AM IF IN FM IF IN TUNE IND GND VCC L CH OUT R CH OUT ST IND VCO CHECK PIL...

Страница 20: ......

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Страница 24: ... 3 932 997 01 GEAR CAM 206 3 932 999 01 SLIDER SW 207 3 932 998 01 SPRING GROUND TORSION 208 3 009 648 01 LEVER S OFF 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 217 3 937 760 01 SPRING GROUND COMPRESSION 218 3 934 336 01 BEARING 219 3 939 383 02 SPRING C...

Страница 25: ...2 251 255 251 2 626 908 01 SHAFT SLED 252 2 627 003 02 GEAR B RP 253 2 626 907 01 GEAR A 254 8 848 483 05 KSS 213CDM 255 X 2626 202 1 CHASSIS ASSY MB RP MOTOR INCLUDING M702 SPINDLE M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified ...

Страница 26: ... 249 437 11 CARBON 47K 5 1 4W R656 1 249 437 11 CARBON 47K 5 1 4W R657 1 249 431 11 CARBON 15K 5 1 4W R658 1 249 431 11 CARBON 15K 5 1 4W R659 1 249 431 11 CARBON 15K 5 1 4W R660 1 249 431 11 CARBON 15K 5 1 4W R661 1 249 431 11 CARBON 15K 5 1 4W SWITCH S650 1 762 798 11 SWITCH KEYBOARD LOOP S651 1 762 798 11 SWITCH KEYBOARD POWER S652 1 762 798 11 SWITCH KEYBOARD FM S654 1 762 798 11 SWITCH KEYBOA...

Страница 27: ...ERAMIC 0 01uF 10 16V E4 EA C19 1 161 053 00 CERAMIC 0 015uF 10 50V E92 C19 1 162 839 11 CERAMIC 0 01uF 10 16V E4 EA C20 1 162 306 11 CERAMIC 0 01uF 20 16V C21 1 162 205 31 CERAMIC 18PF 5 50V C22 1 124 903 11 ELECT 1uF 20 50V C23 1 124 902 00 ELECT 0 47uF 20 50V C24 1 126 963 11 ELECT 4 7uF 20 50V C25 1 162 294 31 CERAMIC 0 001uF 10 50V E92 C26 1 162 294 31 CERAMIC 0 001uF 10 50V C28 1 162 306 11 C...

Страница 28: ...64 11 ELECT 47uF 20 10V C720 1 162 306 11 CERAMIC 0 01uF 20 16V C721 1 130 489 00 MYLAR 0 033uF 5 50V C721 1 130 489 00 MYLAR 0 033uF 5 50V C722 1 130 489 00 MYLAR 0 033uF 5 50V C722 1 130 489 00 MYLAR 0 033uF 5 50V C723 1 162 306 11 CERAMIC 0 01uF 20 16V C724 1 130 489 00 MYLAR 0 033uF 5 50V C724 1 130 489 00 MYLAR 0 033uF 5 50V C725 1 130 486 00 MYLAR 0 018uF 10 50V C725 1 137 440 11 FILM 0 018u...

Страница 29: ...C PST600D T IC701 8 752 082 14 IC CXA1992BR IC702 8 759 473 42 IC BA6898FP IC703 8 752 384 13 IC CXD2589Q HOLDER KH504 1 573 287 11 HOLDER CABLE 2P COIL L1 1 406 999 11 COIL AIR CORE EA L1 1 406 998 11 COIL AIR CORE E4 E92 L2 1 406 957 21 COIL WITH CORE EA L2 1 411 387 11 COIL AIR CORE E4 E92 L3 1 501 841 11 ANTENNA FERRITE ROD MW L4 1 406 040 00 COIL OSC L501 1 412 852 11 INDUCTOR 47uH L502 1 408...

Страница 30: ...1 249 429 11 CARBON 10K 5 1 4W R572 1 249 417 11 CARBON 1K 5 1 4W F R573 1 249 437 11 CARBON 47K 5 1 4W R574 1 249 441 11 CARBON 100K 5 1 4W R575 1 249 425 11 CARBON 4 7K 5 1 4W F R576 1 249 425 11 CARBON 4 7K 5 1 4W F R577 1 249 421 11 CARBON 2 2K 5 1 4W F R578 1 249 425 11 CARBON 4 7K 5 1 4W F R581 1 249 417 11 CARBON 1K 5 1 4W F R582 1 249 437 11 CARBON 47K 5 1 4W R584 1 247 863 91 CARBON 22K 5...

Страница 31: ... CERAMIC 0 001uF 10 50V C283 1 124 443 00 ELECT 100uF 20 10V C284 1 124 473 11 ELECT 1000uF 20 10V C285 1 136 165 00 FILM 0 1uF 5 50V C286 1 162 282 31 CERAMIC 100PF 10 50V C333 1 104 664 11 ELECT 47uF 20 10V C334 1 126 961 11 ELECT 2 2uF 20 50V C335 1 124 907 11 ELECT 10uF 20 50V C336 1 124 907 11 ELECT 10uF 20 50V C337 1 104 666 11 ELECT 220uF 20 6 3V C338 1 161 494 00 CERAMIC 0 022uF 25V C340 1...

Страница 32: ... CERAMIC 22000PF 50V C903 1 101 005 00 CERAMIC 22000PF 50V C904 1 101 005 00 CERAMIC 22000PF 50V C907 1 162 294 31 CERAMIC 0 001uF 10 50V C908 1 124 907 11 ELECT 10uF 20 50V JACK CNJ901 1 526 818 11 INLET AC AC IN E92 CNJ901 1 526 838 11 INLET AC 2P AC IN E4 EA CONNECTOR CNP903 1 784 055 11 PIN CONNECTOR PWB 5P E4 EA DIODE D901 8 719 063 79 DIODE 1N4002B D902 8 719 063 79 DIODE 1N4002B D903 8 719 ...

Страница 33: ...SPEAKER 10cm L SP902 1 505 934 11 SPEAKER 10cm R HRP901 1 500 454 11 HEAD MAGNETIC RECORD PLAYBACK ACCESSORIES PACKING MATERIALS 1 557 287 11 CORD POWER E92 1 569 008 21 ADAPTOR CONVERSION 2P E4 EA 1 696 820 21 CORD POWER E4 EA 3 861 412 11 MANUAL INSTRUCTION ENGLISH E92 3 861 412 31 MANUAL INSTRUCTION ENGLISH SPANISH E4 EA 3 861 412 51 MANUAL INSTRUCTION HUNGARIAN PORTUGUESE E4 3 861 413 11 MANUA...

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