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Sony CFD-V77S Service Manual
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Sony CFD-V77S Service Manual

Sony CFD-V77S Service Manual

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3 7 63 1515 0
SERVICE MANUAL
Ver 1.1 1999. 05
TE
L 13942296513
CD player section
System
Laser diode properties
Spindle speed
Number of channels
Frequency response
Wow and flutter
Radio section
Frequency range
IF
www
Aerials
.
MICROFILM
http://www.xiaoyu163.com
Compact disc digital audio system
Material: GaAlAs
Wavelength:780 nm
Emission duration : Continuous
Laser output : Less than 44.6 µW
(This output is the value measured at a
distance of about 200 mm from the objective
lens surface on the optical pick-up block
with 7 mm aperture.)
200 r/min (rpm) to 500 r/min (rpm) (CLV)
2
20 – 20,000 Hz + 1/-2 dB
Below measurable limit
FM Italy
87.5 – 108 MHz
Other European
87.6 – 107 MHz
models and Saudi Arabia
Other models
87.6 – 108 MHz
MW Italy
526.5 – 1,606.5 kHz
Other European
531 – 1,602 kHz
models and Saudi Arabia
Other models
530 – 1,605 kHz or
531 – 1,602 kHz
SW1
2.3 – 7 MHz
SW2
7 – 22 MHz
FM
: 10.7 MHz
AM/MW : 455 kHz
FM
: Telescopic aerial
MW
: Built-in ferrite bar aerial
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u163
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http://www.xiaoyu163.com
CFD-V77S
2 9
8
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
Cassette-corder section
Recording system
Fast winding time
Frequency response
General
Speakers
Outputs
Maximum power output
Power requirements
Power consumption
CD RADIO CASSETTE-CORDER
co
.
9 4
2 8
AEP Model
E Model
CFD-V17
KSM-213CDM
KSS-213C
CFD-V17
MF-V10-117
0 5
8
2 9
9 4
2 8
4 -track 2 channel stereo
Approx. 120 s (sec.) with Sony cassette C-60
TYPE I (normal) : 70 – 10,000 Hz
Full range : 10 cm dia., 6 Ω, cone type (2)
Headphones jack (stereo minijack)
For 16 – 68 Ω impedance headphones
4.5 W + 4.5 W
For CD radio cassette-corder
Europe
230 V AC, 50 Hz
Other countries
110 – 120, 220 – 240 V AC selectable, 50/60
Hz or 230 V AC, 50 Hz
9 V DC, 6 R20 (size D) batteries
AC 25 W
— Continued on next page —
m
9 9
9 9

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Summary of Contents for Sony CFD-V77S

  • Page 1 Recording system 4 -track 2 channel stereo Laser diode properties Material: GaAlAs Fast winding time Approx. 120 s (sec.) with Sony cassette C-60 Wavelength:780 nm Frequency response TYPE I (normal) : 70 – 10,000 Hz Emission duration : Continuous Laser output : Less than 44.6 µW General Full range : 10 cm dia., 6 Ω, cone type (2)

  • Page 2: Table Of Contents

    ···························································· 3 FM recording 2. GENERAL ·········································································· 4 Sony R20P : approx. 3.5 h Sony alkaline LR20 : approx. 10 h 3. DISASSEMBLY Tape playback 3-1. Front Cabinet Assy ····························································· 5 Sony R20P : approx. 1.5 h 3-2. Control Board ····································································· 6 Sony alkaline LR20 : approx.

  • Page 3: Service Notes

    http://www.xiaoyu163.com SECTION 1 SERVICE NOTES 3 7 63 1515 0 Laser component in this product is capable NOTES ON HANDLING THE OPTICAL PICK-UP of emitting radiation exceeding the limit for BLOCK OR BASE UNIT Class 1. The laser diode 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.

  • Page 4: General

    http://www.xiaoyu163.com SECTION 2 GENERAL 3 7 63 1515 0 LOCATION AND FUNCTION OF CONTROLS MAIN UNIT @™ @¡ @º !ª !• !¶ !§ !∞ !¢ !™ !£ @£ !¡ Tape operation buttons Battery compartment !º button TUNE knob !¡ · button CD = button !™...

  • Page 5: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 • The equipment can be removed using the following procedure. Cabinet (upper) assy Power, battery, half battery, voltage selection board Front cabinet assy Volume, lcd, Control board Mechanism deck, optical pick-up section mono st, main board Note : Follow the disassembly procedure in the numerical order given.

  • Page 6: Control Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-2. CONTROL BOARD Front cabinet assy 5 Two screws +BVTP 2.6 × 8 2 CONTROL board 6 CD button 1 Four screws 4 Knob (TU) +BVTP 2.6 × 8 3 Screw +BVTP 2.6 × 8 3-3.

  • Page 7: Power, Battery, Half Battery, Voltage Selection Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-4. POWER, BATTERY, HALF BATTERY, VOLTAGE SELECTION BOARD 6 Two screws +BVTP 3 × 8 8 BATTERY board 7 Two connectors 2 Plate(Transformer 4.5W), shield 4 Connector 1 Four screws +BVTP 3 × 10 9 HALF BATTERY board 5 POWER board...

  • Page 8: Mechanism Deck, Optical Pick-Up Section

    http://www.xiaoyu163.com 3 7 63 1515 0 3-6. MECHANISM DECK, OPTICAL PICK-UP SECTION 8 CD MOTOR board 7 Remove solder 6 Two screws 5 Two screws 3 Three screws +BVTP 3 × 10 4 Mechanism deck 9 Optical pick-up section 1 Two screws +BVTP 3 ×...

  • Page 9: Dial Pointer Installation

    http://www.xiaoyu163.com SECTION 4 DIAL POINTER INSTALLATION 3 7 63 1515 0 Note : Follow the installation procedure in the numerical order given. 1 Align the pointer with the groove of front cabinet assy and insert it as shown in the illustration. 2 Align Knob (TU) with front cabinet and fasten the screw.

  • Page 10: Adjustment

    http://www.xiaoyu163.com SECTION 5 ADJUSTMENTS 3 7 63 1515 0 5-1. MECHANICAL ADJUSTMENT 5-2. ELECTRICAL ADJUSTMENT PRECAUTION TAPE RECODER SECTION 0dB = 0.775V Clean the following parts with a denatured-alchool-moistened swab: Standard output level record/playback head pinch roller Output HP OUT erase head rubber belts 32 Ω...

  • Page 11: Tuner Section

    http://www.xiaoyu163.com 3 7 63 1515 0 5-3. TUNER SECTION 0 dB = 1 µV • Repeat the procedures in each adjustment several times for the • Switch Location maximum level meter indication. • The frequency coverage and tracking adjustments should be VOLUME : MAX finally done by the trimmer capacitors.
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 FM VCO Adjustment Procedure : FM RF SSG BLACK 10.64MHz color BLUE 10.67MHz mark 0.01 µ F 10.70MHz to FM ANT IN terminal ORANGE 10.73MHz WHITE 10.76MHz Carrier frequency : 98MHz IF frequency : According to the color of CF1.
  • Page 13 http://www.xiaoyu163.com 3 7 63 1515 0 Adjustment Location : MAIN board (Component side) SW1 Frequency SW1 Frequency Coverage Coverage SW1 Tracking Adjustment Adjustment FM Tracking Adjustment Adjustment CT10 MW Frequency SW2 Frequency Coverage Coverage Adjustment Adjustment SW2 Frequency FM VCO Coverage Adjustment Adjustment...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 TRAVERSE Check CD SECTION This check is to be done when the optical pick-up block is replaced. Notes on Check Check Procedure: Perform the traverse check in the CD test mode. Connect the oscilloscope to test point TP (VC) and TP (TE) on After check, be sure to exit the test mode.

  • Page 15: Reference

    http://www.xiaoyu163.com 3 7 63 1515 0 Focus Bias Check 5-4. REFERENCE This check is to be done when the optical block replaced. Focus/Tracking Gain Check Adjustment Location : MAIN board (Component side) Check Procedure: (See page 16) 1. Connect the oscilloscope to test point TP (VC) and TP (RF) on MAIN board.
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 • Good Example • Incorrect Examples (Fundamental wave appears) VOLT/DIV : 0.2V VOLT/DIV : 100mV TIME/DIV : 2ms TIME/DIV : 1ms 100mV low tracking gain • Incorrent Examples (DC level changes more than on adjusted VOLT/DIV : 0.2V waveform) TIME/DIV : 2ms...

  • Page 17: Diagrams

    CFD-V77S SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION 6-2. BLOCK DIAGRAM RECORD SWITCH board CONNECTOR board POWER board BATTERY board MONO ST board HALF BATTERY board VOLUME board LCD board AEP, CEF, CET MODEL MONO ST CONTROL board CD MOTOR board...

  • Page 18: Printed Wiring Board

    CFD-V77S 6-3. PRINTED WIRING BOARD • Refer to page 20 for Note on Printed Wiring Board. • Refer to page 17 for Circuit Boards Location. • Semiconductor Location Ref. No. Location CONNECTOR BOARD LCD BOARD CONTROL BOARD ANT1 FM TELESCOPIC...

  • Page 19: Schematic Diagram - Main Board(2/3)

    CFD-V77S 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. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 The components identified by mark ! or dotted line with mark ! are critical for safety.

  • Page 20: Schematic Diagram - Main Board(3/3)

    CFD-V77S 6-5. SCHEMATIC DIAGRAM – MAIN BOARD (2/3) – • Refer to page 20 for Note on Schematic Diagram. • Refer to page 35 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 0.2V/div IC701 #£ RFO 0.5µsec/div...
  • Page 21 CFD-V77S 6-6. SCHEMATIC DIAGRAM – MAIN BOARD (3/3) – • Refer to page 20 for Note on Schematic Diagram. 3 7 6 3 1 5 1 5 0 • Refer to page 35 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3...

  • Page 22: Ic Pin Function Description

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 6-7. IC PIN FUNCTION DESCRIPTION IC702 CD DIGITAL SIGNAL PROCESSOR, LED DRIVE, SYSTEM CONTROL (CXP401-602R) Pin No. Pin name Description Pin No. Pin name Description SEIN CD SENS input. MNT3 –...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 • IC BLOCK DIAGRAMS IC1 CXA1538S 26 25 24 23 22 21 FM FRONT-END AM FRONT-END FM IF / MPX REG. DISCRI PD 1 IF / DET COUNTER TUNING PD 2 COUNTER INDICATOR AUTOBLEND MONO/ST MUTING SELECT...
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 IC701 CXA1992BR PD2 IV PD1 IV SUMMING SENS2 BIAS ↓ SENS1 LASER POWER CONTROL F IV AMP FE AMP C. OUT E IV AMP DFCT XRST LEVEL S VEE DATA FO. BIAS WINDOW MIRR COMP.
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 IC703 BA6898FP LEVEL SHIFT LEVEL SHIFT THERMAL SHUT DOWN DRIVER MUTE REG VOLTAGE DOWN, BIAS VOLTAGE DOWN, THERMAL SHUT DOWN MONITOR LEVEL SHIFT LEVEL SHIFT L 13942296513 u163 — 37 — http://www.xiaoyu163.com...

  • Page 26: Exploded Views

    http://www.xiaoyu163.com SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX, -X mean standardized parts, so they may • Color Indication of Appearance Parts Example: When indicating parts by reference number, have some differences from the original one. KNOB, BALANCE (WHITE) .
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 7-2. REAR CABINET SECTION ANT1 not supplied T901 F901 L 13942296513 F902 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-031-561-01 SPRING, CASSETTE UP * 64 1-672-302-11 BATTERY BOARD * 52 1-672-956-11 POWER BOARD 3-028-154-01 TERMINAL (–), BATT 4-960-167-01 SCREW (3 ×...
  • Page 28 http://www.xiaoyu163.com 3 7 63 1515 0 7-3. UPPER CABINET SECTION S801 LCD800 not supplied L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 101 A-3321-964-A MAIN BOARD, COMPLETE (EA) 3-922-112-41 DAMPER (E, EA, SP) * 101 A-3321-968-A MAIN BOARD, COMPLETE (E, SP) 3-923-736-01 COVER, CD...
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 7-4. MECHANISM DECK SECTION (1) (MF-V10-117) HRP301 HE301 L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-933-010-01 SPRING (S/P), TORSION * 162 3-008-587-01 SLIDER (STOP) 3-933-025-01 SPRING (P), TORSION * 163 3-008-591-01 SLIDER (PAUSE) 3-933-026-01 LEVER (P)
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 7-5. MECHANISM DECK SECTION (2) (MF-V10-117) S601 M601 L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-933-029-01 LEVER, ERASING PREVENTION X-3372-924-1 FLYWHEEL ASSY 3-933-182-01 SPRING, CASSETTE 3-932-993-01 CHASSIS, OUTSERT 3-932-995-01 GEAR (MID) 3-343-358-01 RING, RETAINING X-3371-667-1 CLUTCH ASSY...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 7-6. OPTICAL PICK-UP SECTION (KSM-213CDM) not supplied (including M702) L 13942296513 M702 M701 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 2-626-908-01 SHAFT, SLED ! 254 8-848-483-05 OPTICAL PICK-UP KSS-213C 2-627-003-02 GEAR (B)(RP) X-2626-202-1 CHASSIS ASSY (MB)(RP), MOTOR (SPINDLE) 2-626-907-01 GEAR (A)(S)

  • Page 32: Electrical Parts List

    http://www.xiaoyu163.com CONNECTOR BATTERY CD MOTOR CONTROL FINE TUNING HALF BATTERY 3 7 63 1515 0 MAIN SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS • SEMICONDUCTORS parts list may be different from the parts All resistors are in ohms.
  • Page 33 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CAPACITOR > C153 1-124-443-00 ELECT 100uF C154 1-124-443-00 ELECT 100uF 1-162-215-31 CERAMIC 47PF C155 1-104-664-11 ELECT 47uF 1-124-907-11 ELECT 10uF C156 1-136-165-00 FILM 0.1uF...
  • Page 34 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C710 1-162-302-11 CERAMIC 0.0022uF 20% C829 1-162-306-11 CERAMIC 0.01uF C711 1-162-202-31 CERAMIC 13PF C831 1-162-306-11 CERAMIC 0.01uF C712 1-162-294-31 CERAMIC 0.001uF C713 1-136-165-00 FILM 0.1uF...
  • Page 35 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CABLE HOLDER > R102 1-249-404-00 CARBON 1/4W F R103 1-249-441-11 CARBON 100K 1/4W * KH306 1-565-386-11 HOLDER, CABLE 5P R104 1-247-843-11 CARBON 3.3K 1/4W...
  • Page 36 http://www.xiaoyu163.com MAIN MONO ST POWER 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R313 1-249-393-11 CARBON 1/4W F R804 1-249-430-11 CARBON 1/4W R314 1-249-425-11 CARBON 4.7K 1/4W F R805 1-249-430-11 CARBON 1/4W R315 1-247-863-91 CARBON...
  • Page 37 http://www.xiaoyu163.com POWER RECORD SWITCH VOLTAGE SELECTION VOLUME 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CONNECTOR > 1-672-959-11 VOLUME BOARD ************* * CNP902 1-785-670-11 PIN, CONNECTOR (PC BOARD) 4P * CNP903 1-785-655-11 PIN, CONNECTOR (PC BOARD) 3P <...
  • Page 38 CFD-V77S 3 7 63 1515 0 Ref. No. Part No. Description Remarks ************* HARDWARE LIST ************* 7-685-647-79 SCREW +BVTP 3 × 10 TYPE2 N-S 7-685-647-14 SCREW +BVTP 3 × 10 TYPE2 N-S 7-682-548-04 SCREW +B 3 × 8 7-621-775-20 SCREW +B 2.6 × 5 7-621-770-87 SCREW +B 2.6 ×...

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