Sony CFD-G55 Service Manual
Cd radio cassette-corder
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- Operating instructions (2 pages) ,
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- Limited warranty (1 page)
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SERVICE MANUAL
Ver 1.0 2002. 03
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 3.2-ohm loads, both channels driven
from 1 000 - 10 000 Hz; rated 3 W per
channel-minimum RMS power, with no
more than 10 % total harmonic distortion
in AC operation.
Woofer with 4-ohm loads, driven at
50 - 150 Hz; rated 6 W minimum RMS
power, with no more 10 % total harmonic
distortion in AC operation.
Other specifications
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 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.)
Spindle speed
200 r/min (rpm) to 500 r/min (rpm)
(CLV)
Number of channels
2
Frequency response
20 - 20 000 Hz +1/–2 dB
Wow and flutter
Below measurable limit
Sony Corporation
9-873-639-01
2002C1600-1
Personal Audio Company
© 2002.03
Published by Sony Engineering Corporation
CFD-G55
Model Name Using
Similar Mechanism
CD Mechanism Type
Optical Pick-up Type
Tape Transport Mechanism Type
SPECIFICATIONS
Radio section
Frequency range
FM: 87.5 - 108 MHz
AM: 530 - 1 710 kHz
Antennas
FM: Telescopic antenna
AM: Built-in ferrite bar antenna
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 115 s (sec.) with Sony cassette C-60
Frequency response
TYPE I (normal): 70 - 13 000 Hz
General
Speaker
Full range: 10 cm (4 in.) dia., 3.2 Ω, cone type
(2)
in.) dia., 4 Ω, cone type (1)
Woofer: 8 cm (3
1
⁄
4
Outputs
Headphones jack (stereo minijack)
For 16 - 68 Ω impedance headphones
Power output
4 W + 4 W (at 3.2 Ω, 10% harmonic distortion
in DC operation)
Woofer:
12 W (at 4 Ω, 10 % harmonic distortion in DC
operation)
Power requirements
For CD radio cassette-corder:
120V AC, 60 Hz
12 V DC, 8 size D (R20) batteries
For remote control:
3 V DC, 2 size AA (R6) batteries
CD RADIO CASSETTE-CORDER
US Model
Canadian Model
E Model
CD Section
NEW
Tape Section
CFD-G50
KSM-213RDP
KSS-213R
MF-V5-117
Power consumption
AC 30 W
Battery life
For CD radio cassette-corder:
FM recording
Sony R20P: approx. 6 h
Sony alkaline LR20: approx. 18 h
Tape playback
Sony R20P: approx. 1.5 h
Sony alkaline LR20: approx. 6 h
CD playback
Sony R20P: approx. 1 h
Sony alkaline LR20: approx. 4 h
Dimensions
Approx. 456 × 195 × 330 mm (w/h/d)
(18 × 7
× 13 inches) (incl. projecting parts)
3
⁄
4
Mass
Approx. 6.8 kg (14 lb. 16 oz) (incl. batteries)
Supplied accessory
AC power cord (1)
Remote control (1)
Design and specifications are subject to change
without notice.
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Table of Contents
Related Manuals for Sony CFD-G55
Summary of Contents for Sony CFD-G55
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Page 1: Specifications
10 % total harmonic Fast winding time Sony alkaline LR20: approx. 6 h distortion in AC operation. Approx. 115 s (sec.) with Sony cassette C-60 CD playback Frequency response Other specifications TYPE I (normal): 70 - 13 000 Hz Sony R20P: approx. -
Page 2: Table Of Contents
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPÉMENTS PUBLIÉS PAR SONY. -
Page 3: Servicing Notes
CFD-G55 SECTION 1 SERVICING NOTES SAFETY CHECK-OUT NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: The laser diode in the optical pick-up block may suffer electrostatic Check the antenna terminals, metal trim, “... -
Page 4: General
CFD-G55 SECTION 2 GENERAL This section is extracted from instruction manual. Location of controls Inserting a cassette Loading a CD With the side you want to play facing upward With the labeled side up VOLUME –, +* DISPLAY MODE ENTER Z PUSH TUNE –, +... -
Page 5: Disassembly
CFD-G55 SECTION 3 DISASSEMBLY • The equipment can be removed using the following procedure. CABINET (FRONT) ASSY-1 (page 5) CONTROL (POWER), CONTROL (CD), HEADPHONE BOARD CABINET (FRONT) ASSY-2 (page 6) (page 6) PANEL ASSY LCD BOARD, PANEL (UPPER) (page 7) -
Page 6: Cabinet (Front) Assy- 2
CFD-G55 3-2. Cabinet (Front) Assy- 2 flexible flat cable (from MAIN board CNP804) CNP391 Remove the cabinet (front) assy (from PWD board KH353) HEADPHONE board in the direction of the arrow. CNP393 (from L-R/REG board KH374) flexible flat cable (from MAIN board CNP801) MAIN board 3-3. -
Page 7: Panel Assy
CFD-G55 3-4. Panel Assy screw +BVTP 3 × 10 panel assy flexible flat cable (from MAIN board CNP804) flexible flat cable (from MAIN board CNP801) four screws +BVTP 2.6 × 10 3-5. LCD Board, Panel (Upper) !™ upper Panel two screws +BVTP 2.6 ×... -
Page 8: Panel (Upper) Assy- 1
CFD-G55 3-6. Panel (Upper) Assy- 1 Open the cassette holder assy in the direction of the arrow. Open the CD lid in the direction of the arrow. 6 Push STOP/EJECT button. Remove two harnesses in the direction of the arrow. -
Page 9: Power, Trans Board
CFD-G55 3-8. POWER, TRANS Board five screws +BVTP 3 × 10 CNP902 (from BATT board KH951) POWER board, 4 two screws TRANS board +BVTP 3 × 10 power transformer (T901) Remove harnesses in the direction of the arrow. 7 trans chassis... -
Page 10: Batt Com, Batt Board
CFD-G55 3-10. BATT COM, BATT Board CNP902 (from BATT board KH951) Remove harnesses in the direction of the arrow. BATT board BATT COM board battery terminal battery terminal screw BATT board 3 × 8 (DIA, 10),+WH four screws +BVTP 3 × 10 screw 3 ×... -
Page 11: Main Board- 2
CFD-G55 3-12. MAIN Board- 2 5 MAIN board PDW board L-R/REG board CNP353 chassis (CD) CNP374 1 from TUNER board CNP1 4 from POWER board CNP903 2 from HEADPHONE board CNP391 3 from HEADPHONE board CNP393 3-13. Mechanism Deck Section (MF-V5-117) -
Page 12: Cd Block Section (Ksm-213Rdp)
CFD-G55 3-14. CD Block Section Remove solderings flexible flat cable from the four points. (KSM-213RDP) (from MAIN board CNP802) CD board flexible flat cable four screws CNP701 +PWH 2.6 × 10 CD block section (KSM-213RDP) 3-15. PDW, L-R/REG Board 5 three... -
Page 13: Adjustments
CFD-G55 SECTION 4 ADJUSTMENTS 4-1. Mechanical Adjustments 4-2. Electrical Adjustments TAPE SECTION 0dB = 0.775V PRECAUTION Clean the following parts with a denatured-alcohol-moistened Standard Output Level swab : Output terminal HP OUT record/playback head pinch roller 32 Ω load impedance... - Page 14 CFD-G55 0dB = 1 µV TUNER SECTION AM IF ADJUSTMENT Adjust for a maximum reading on level meter. AM Section 450 kHz Function switch : AM AM RF signal Put the lead-wire AM FREQUENCY COVERAGE ADJUSTMENT generator antenna close to...
- Page 15 CFD-G55 Focus Bias Check CD SECTION Connect an oscilloscope between TP RF and TP VREF on CD board. CD Test Mode Insert the test disc (YEDS-18). • How to put the set into CD test mode Set the CD test mode.
- Page 16 CFD-G55 Adjustment Location : [TUNER BOARD] (Component side) L1: FM Tracking Adjustment CT1: FM Tracking Adjustment L3: AM Tracking Adjustment CNP1 CT3: AM Tracking Adjustment T2: FM IF Adjustment L4: AM Frequency Coverage Adjustment T1: AM IF Adjustment L2: FM Frequency Coverage Adjustment...
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Page 17: Diagrams
CFD-G55 SECTION 5 DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: 5-1. Circuit Boards Location • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. p: pF. • : internal component. -
Page 18: Block Diagrams
CFD-G55 5-2. Block Diagrams MAIN Section L OUT TUNER/CD SECTION IC301 PRE AMP L IN L-CH IC371 TUNER/CD RADIO IC321 POWER AMP SECTION BUFFER SOUND/VOLUME TAPE R-CH J391 VIN1 OUT1 TAPE STBY Q171 MUTE R-CH SEL1 VDD(SW) PB AMP SP391... -
Page 19: Tuner/Cd Section
CFD-G55 TUNER/CD Section ANT1 RADIO 6V TELESCOPIC ANTENNA FM IF FRONT-END IF AMP,DET,FM MPX VCC1 VCC2 QUAD MIX OUT FM RF I FM IF RADIO 6V L-CH MAIN FM/AM SECTION MUTE BUFFER R-CH FM RF O AM IF L1, CT1... -
Page 20: Printed Wiring Board - Tuner Section
CFD-G55 5-3. Printed Wiring Board – TUNER Section – • See page 17 for Circuit Boards Location. • Semiconductor Location (MY, SP) Ref. No. Location... -
Page 21: Schematic Diagram - Tuner Section
CFD-G55 5-4. Schematic Diagram – TUNER Section – • See page 34 for IC Block Diagrams. • See page 17 for Waveforms. -
Page 22: Printed Wiring Board - Cd Section
CFD-G55 5-5. Printed Wiring Board – CD Section – • See page 17 for Circuit Boards Location. IC702 (LIMIT IN) IC701... -
Page 23: Schematic Diagram - Cd Section
CFD-G55 5-6. Schematic Diagram – CD Section – • See page 34, 35 for IC Block Diagrams. • See page 17 for Waveforms. -
Page 24: Printed Wiring Board - Tc Section
CFD-G55 5-7. Printed Wiring Board – TC Section – 5-8. Schematic Diagram – TC Section – • See page 17 for Circuit Boards Location. • See page 35 for IC Block Diagrams. • See page 17 for Waveforms. IC301 (MAGNET) -
Page 25: Printed Wiring Board - Main Section
CFD-G55 5-9. Printed Wiring Board – MAIN Section – • See page 17 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D320 D323 D324 D806 D807 D808 D951 D952 D953 D954 D955 D956 D957 IC321 IC801 IC802 IC803... -
Page 26: Schematic Diagram - Main Section (1/2)
CFD-G55 5-10. Schematic Diagram – MAIN Section (1/2) – • See page 34 for IC Block Diagrams. -
Page 27: Schematic Diagram - Main Section (2/2)
CFD-G55 5-11. Schematic Diagram – MAIN Section (2/2) – • See page 36 for IC Pin Function Description. • See page 17 for Waveforms. BACK LIGHT BOARD... -
Page 28: Printed Wiring Board - Amp Section
CFD-G55 5-12. Printed Wiring Board – AMP Section – • See page 17 for Circuit Boards Location. IC351 IC371... -
Page 29: Schematic Diagram - Amp Section
CFD-G55 5-13. Schematic Diagram – AMP Section –... -
Page 30: Printed Wiring Board - Control Section
CFD-G55 5-14. Printed Wiring Board – CONTROL Section – • See page 17 for Circuit Boards Location. -
Page 31: Schematic Diagram - Control Section
CFD-G55 5-15. Schematic Diagram – CONTROL Section –... -
Page 32: Printed Wiring Board - Power Section
CFD-G55 5-16. Printed Wiring Board – POWER Section – • See page 17 for Circuit Boards Location. DRY BATTERY SIZE "D" (IEC DESIGNATION R20) 8PCS, 12V... -
Page 33: Schematic Diagram - Power Section
CFD-G55 5-17. Schematic Diagram – POWER Section –... - Page 34 CFD-G55 • IC Block Diagrams IC701 LC78646E-E IC1 TA2149BN GND1 FM RF OUT 65 64 63 62 61 80 79 78 77 76 75 74 73 72 71 70 69 68 FM RF VCC1 FM RF IN GATE GATE AM RF IN...
- Page 35 CFD-G55 IC301 TA2068N LOGIC MONITOR MONITOR LINE LINE BUF AMP BUF AMP TAPE TAPE BUF AMP BUF AMP MUTE AMP1 ALC1 ALC2 26dB 26dB AMP1 AMP2 AMP1 AMP2 IC702 BA5826FP-E2 DRIVE DRIVE BUFFER BUFFER LEVEL LEVEL SHIFT SHIFT – –...
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Page 36: Ic Pin Function Description
CFD-G55 5-18. IC Pin Function Description • IC801 µPD789478GC-8BT System Control (MAIN Board) Pin No. Pin Name Description 1, 2 — Not used (open) VLC2 LCD bias power supply VLC1 LCD bias power supply VLC0 LCD bias power supply 6 to 9... - Page 37 CFD-G55 Pin No. Pin Name Description Main system clock oscillator output (4.19MHz) System reset signal input CD function signal output “ L ” : active LED CONT LED control signal output W-LED1 Woofer1 LED control signal output W-LED2 Woofer2 LED control signal output...
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Page 38: Exploded Views
CFD-G55 SECTION 6 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Accessories are given in the last of this parts The components identified by mark 0 or have some differences from the original one. list. -
Page 39: Cabinet (Rear) Section
CFD-G55 6-2. Cabinet (Rear) Section ANT1 cabinet (upper) T901 section supplied F902 supplied supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-238-228-01 DUCT (UPPER) * 68 A-3323-779-A TUNER BOARD, COMPLETE (US,CND,E92,MX) 3-238-229-01 DUCT (LOWER) * 68 A-3323-815-A TUNER BOARD, COMPLETE (MY,SP) 4-951-620-01 SCREW (2.6X8), +BVTP... -
Page 40: Cabinet (Upper) Section
CFD-G55 6-3. Cabinet (Upper) Section S801 mechanism deck section-1 (MF-V5-117) CD mechanism section (KSM-213RDP) S321 supplied supplied supplied supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 101 A-3178-409-A L-R/REG BOARD, COMPLETE A-3178-467-A PDW BOARD, COMPLETE (MY,SP) 3-238-232-01 CHASSIS (HS.L) -
Page 41: Mechanism Deck Section- 1 (Mf-V5-117)
CFD-G55 6-4. Mechanism Deck Section- 1 (MF-V5-117) HRP301 HE301 mechanism deck section-2 (MF-V5-117) 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... -
Page 42: Mechanism Deck Section- 2 (Mf-V5-117)
CFD-G55 6-5. Mechanism Deck Section- 2 (MF-V5-117) S322 M321 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-933-029-01 LEVER, ERASING PREVENTION X-3377-877-3 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... -
Page 43: Cd Mechanism Section (Ksm-213Rdp)
CFD-G55 6-6. CD Mechanism Section (KSM-213RDP) (including M702) M702 M701 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 0 251 8-848-483-05 OPTICAL PICK-UP KSS-213R 3-713-786-51 SCREW +P 2X3 * 252 2-169-065-01 GEAR (A) X-2646-381-1 CHASSIS ASSY, MOTOR (MB) (SPINDLE) -
Page 44: Electrical Parts List
CFD-G55 SECTION 7 BATT BATT COM ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name. - Page 45 CFD-G55 CONTROL (CD) CONTROL (POWER) CONTROL (VOL) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > < SWITCH > R701 1-216-841-11 METAL CHIP 1/16W S404 1-771-349-21 SWITCH, TACT (u) R702 1-216-835-11 METAL CHIP 1/16W...
- Page 46 CFD-G55 HEADPHONE L-R/REG Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-683-707-11 HEADPHONE BOARD < RESISTOR > ***************** R172 1-216-837-11 METAL CHIP 1/16W < CONNECTOR > R173 1-216-825-11 METAL CHIP 2.2K 1/16W R175 1-216-813-11 METAL CHIP...
- Page 47 CFD-G55 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-3178-408-A MAIN BOARD, COMPLETE (US,E92,MX) C816 1-126-934-11 ELECT 220uF 20.00% 10V A-3178-468-A MAIN BOARD, COMPLETE (MY,SP) C817 1-162-970-11 CERAMIC CHIP 0.01uF A-3178-462-A MAIN BOARD, COMPLETE (CND)
- Page 48 CFD-G55 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < JACK > R335 1-216-837-11 METAL CHIP 1/16W R336 1-216-833-11 METAL CHIP 1/16W J381 1-566-822-21 JACK (LINE IN) R337 1-216-837-11 METAL CHIP 1/16W R338 1-216-825-11 METAL CHIP 2.2K...
- Page 49 CFD-G55 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R865 1-216-821-11 METAL CHIP 1/16W C356 1-104-665-11 ELECT 100uF 20.00% 10V R866 1-216-821-11 METAL CHIP 1/16W C357 1-136-165-00 FILM 0.1uF 5.00% 50V R867 1-216-864-11 METAL CHIP...
- Page 50 CFD-G55 POWER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-683-701-11 POWER BOARD C304 1-126-947-11 ELECT 47uF 20.00% 10V C305 1-162-962-11 CERAMIC CHIP 470PF ************* C306 1-162-970-11 CERAMIC CHIP 0.01uF < CAPACITOR > C307 1-162-964-11 CERAMIC CHIP 0.001uF...
- Page 51 CFD-G55 TRANS TUNER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRANSFORMER > 1-136-169-00 FILM 0.22uF 5.00% 50V 1-126-934-11 ELECT 220uF 20.00% 10V T301 1-416-041-11 TRANSFORMER, BIAS OSCILLATION 1-162-927-11 CERAMIC CHIP 100PF 1-162-964-11 CERAMIC CHIP 0.001uF...
- Page 52 CFD-G55 TUNER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > MISCELLANEOUS *************** 1-409-775-11 COIL, AIR-CORE 1-416-509-11 COIL, AIR-CORE 1-823-743-11 CABLE, FLEXIBLE FLAT (27 CORE) 1-428-947-11 COIL, FERRITE-ROD ANTENNA 1-823-744-11 CABLE, FLEXIBLE FLAT (4 CORE)
- Page 53 CFD-G55 MEMO...
- Page 54 CFD-G55 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...