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Sony CFD-G505 Service Manual
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Sony CFD-G505 Service Manual

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SERVICE MANUAL
Ver. 1.1 2006.04
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION
With 3.2-ohm loads, both channels driven from
1k - 10kHz; rated 3 W per channel-minimum
RMS power, with no more than 10 % total
harmonic distoration in AC operation.
Woofer with 4-ohm loads, driven at 50 - 150 Hz;
rated 6 W minimum RMS power, with no more
than 10 % total harmonic distortion in AC
operation.
Other specifications
CD player section
System
Compact disc digital audio system
Laser diode properties
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.)
Number of channels
2
Frequency response
20 - 20 000 Hz +1/–2 dB
Wow and flutter
Below measurable limit
Sony Corporation
9-887-102-02
Personal Audio Division
2006D16-1
Published by Sony Techno Create Corporation
© 2006.04
CFD-G505
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Type
Model Name Using Similar Mechanism
TAPE
Section
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. 120 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)
Woofer: 10 cm (4 in.) dia., 4 Ω, cone type (1)
Input
LINE IN jack (stereo minijack): Minimum
input level 330 mV
Outputs
Headphones jack (stereo minijack)
For 16 - 68 Ω impedance headphones
CD RADIO CASSETTE-CORDER
US Model
CFD-G500
KSM-213CDP/C2NP
KSS-213C
CFD-G500
MF-G500
Power output
4 W + 4 W (at 3.2 Ω, 10% harmonic distortion)
Woofer:
12 W (at 4 Ω, 10% harmonic distortion)
Power requirements
For CD radio cassette-corder:
120 V AC, 60 Hz
12 V DC, 8 R20 (size D) batteries
For remote control:
3 V DC, 2 R03 (size AAA) batteries
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
— Continued on next page —

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  • Page 1 4-track 2 channel stereo Power consumption Fast winding time AC 30 W Other specifications Approx. 120 s (sec.) with Sony cassette C-60 Frequency response Battery life CD player section TYPE I (normal): 70 - 13 000 Hz For CD radio cassette-corder:...

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 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.

  • Page 3: Servicing Notes

    CFD-G505 SECTION 1 SERVICING NOTES SAFETY CHECK-OUT NOTES ON HANDLING THE OPTICAL PICK-UP After correcting the original service problem, perform the following BLOCK OR BASE UNIT safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, The laser diode in the optical pick-up block may suffer electrostatic and all other exposed metal parts for AC leakage.

  • Page 4: General

    CFD-G505 SECTION 2 This section is extracted from instruction manual. GENERAL...
  • Page 5 CFD-G505...

  • Page 6: Disassembly

    CFD-G505 SECTION 3 DISASSEMBLY 3-1. DISASSEMBLY FLOW • This set can be disassembled in the order shown below. 3-2. CABINET (UPPER) (1) SECTION (Page 7) 3-3. CABINET (UPPER) (2) SECTION (Page 7) 3-4. CABINET (FRONT) SECTION (Page 8) 3-10. CD KEY BOARD (Page 12) 3-9.

  • Page 7: Cabinet (Upper) (1) Section

    CFD-G505 Note: Follow the disassembly procedure in the numerical order given. 3-2. CABINET (UPPER) (1) SECTION Open the handle in the 4 two screws direction of the arrow. BV tapping (B3) 6 two screws 2 seven screws BV tapping (B3) BV tapping (B3) Open the cassette lid.

  • Page 8: Cabinet (Front) Section

    CFD-G505 3-4. CABINET (FRONT) SECTION 4 four screws BV tapping (B3) 3 four screws BV tapping (B3) cabinet (front) section 2 four screws BV tapping (B3) battery lid 3-5. TUNER KEY BOARD, VOL KEY BOARD 2 button (function) 6 three screws BV tapping (B2.6)

  • Page 9: Lcd Panel Assy

    CFD-G505 3-6. LCD PANEL ASSY 5 LCD panel assy 4 five screws BV tapping (B3) woofer speaker 1 two screws BV tapping (B3) 2 two screws BV tapping (B3)

  • Page 10: Led Board

    CFD-G505 3-7. LED BOARD 2 two claws 1 two claws light guide LED plate 6 LED 2 board 7 LED 3 board claw claw 8 LED 4 board claw claw 5 LED 1 board Route the harnesses as shown below.

  • Page 11: Lcd Board

    CFD-G505 3-8. LCD BOARD 3 two screws 1 two screws BV tapping (B3) BV tapping (B3) 4 two LED holders (L) 6 woofer cover 2 two LED holders (R) 5 alignment ring 7 three screws BV tapping (B3) 8 screw...

  • Page 12: Power Board, Trans Board

    CFD-G505 3-9. POWER BOARD, TRANS BOARD qa two screws (+ BV tapping (B3) ) 0 two screws (+ BV tapping (B3) ) Remove the harnesses. 7 two screws (+ BV tapping (B3) ) 9 screw (+ BV tapping (B3) )

  • Page 13: H/P Board, Tuner Board

    CFD-G505 3-11. H/P BOARD, TUNER BOARD 3 Remove the soldering. 1 two screws 5 screw (+ BV tapping (B3) ) (+ PWH tapping (B2.6) ) 6 JACK HOLD board 7 H/P board 4 TUNER board 2 CNP1 (11P) 8 CNP391 (9P) 3-12.

  • Page 14: Cd Block Section

    CFD-G505 3-13. CD BLOCK SECTION 1 two screws (+ PWH tapping (B2.6) ) 2 two screws (+ PWH tapping (B2.6) ) 3 CD block section 3-14. OPTICAL PICK-UP (KSS-213C) 5 optical pick-up (KSS-213C) 1 gear (A) claw 2 claw 4 sled shaft...

  • Page 15: Tape Mechanism Deck

    CFD-G505 3-15. TAPE MECHANISM DECK 1 three screws BV tapping (B3) 3 tape mechanism deck Open the cassette lid. 3-16. TC BOARD 1 screw 4 TC board Remove soldering from the four points. yellow red white black TC board 2 hook...

  • Page 16: Main Belt, Sub Belt

    CFD-G505 3-17. MAIN BELT, SUB BELT 1 two screws ( +BIND DT M2 × 6) 3 motor assy (M971) 2 hook 4 main belt (B1) 5 sub belt (B1)

  • Page 17: Mechanical Adjustments

    CFD-G505 SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION TAPE SECTION 0 dB = 0.775 V 1. Clean the following parts with a denatured-alcohol-moistened swab : • Standard Output Level record/playback head pinch roller Output terminal HP OUT erase head rubber belts 32 Ω...
  • Page 18 CFD-G505 0 dB = 1 µV AM IF ADJUSTMENT TUNER SECTION Adjust for a maximum reading on level meter. • AM Section Setting: 450 kHz RADIO BAND•AUTO PRESET button: AM AM FREQUENCY COVERAGE ADJUSTMENT AM RF signal Frequency Display 530 kHz...
  • Page 19 CFD-G505 Adjustment Location: CT3, L3 TRACKING ADJUSTMENT – TUNER board (component side) – TP (VT) (CONDUCTOR SIDE) CT1, L1 TP (FM IN) TRACKING (CONDUCTOR SIDE) ADJUSTMENT ADJUSTMENT FREQUENCY COVERAGE ADJUSTMENT ADJUSTMENT FREQUENCY COVERAGE ADJUSTMENT CD SECTION CD section adjustments are done automatically in this set.

  • Page 20: Diagrams

    CFD-G505 SECTION 6 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Schematic Diagrams. For Printed Wiring Boards. Note: Note: • All capacitors are in µF unless otherwise noted. (p: pF) •...
  • Page 21 CFD-G505 • Circuit Boards Location • Waveforms – CD Board – (Mode: PLAY) – TUNER Board – – MAIN Board – IC701 4 (RF) IC2 w; (XOUT) IC801 ua (XT2) POWER board TUNER KEY board LED4 board 0.85 ± 0.2 Vp-p 3.6 Vp-p...

  • Page 22: Block Diagram - Main Section

    CFD-G505 6-1. BLOCK DIAGRAM – MAIN SECTION – L OUT TUNER/CD SECTION (Page 23) IC301 REC/PB PRE AMP L.L IN IC371 L-CH TUNER/CD RADIO IC321 POWER AMP SECTION BUFFER SOUND/VOLUME (Page 23) TAPE L.LD R-CH J391 VIN1 OUT1 TAPE STBY...

  • Page 23: Block Diagram - Tuner/Cd Section

    CFD-G505 6-2. BLOCK DIAGRAM – TUNER/CD SECTION – ANT1 RADIO 6V TELESCOPIC ANTENNA FM/AM FRONT-END FM IF IF AMP,DET,FM MPX VCC1 VCC2 QUAD MIX OUT FM RF IN FM IF-IN RADIO 6V MPX-IN L-CH MAIN FM/AM DET OUT SECTION MUTE...

  • Page 24: Printed Wiring Board - Cd Section

    CFD-G505 6-3. PRINTED WIRING BOARD – CD SECTION – • :Uses unleaded solder. • See page 21 for Circuit Boards Location. JC702 • Semiconductor Location JC701 Ref. No. Location R742 IC701 IC702 IC702 Q701 M701 (SPINDLE) JW718 JW719 C741 JW715...

  • Page 25: Schematic Diagram -Cd Section

    CFD-G505 • See page 21 for Waveforms. • See page 36 for IC Block Diagrams. 6-4. SCHEMATIC DIAGRAM –CD SECTION – C727 C726 C724 C725 C721 R717 C730 C720 R716 R728 R727 C722 R718 C723 R721 (Page 31) C746 C745...

  • Page 26: Printed Wiring Board - Tuner Section

    CFD-G505 6-5. PRINTED WIRING BOARD – TUNER SECTION – • :Uses unleaded solder. • See page 21 for Circuit Boards Location. TUNER BOARD KH801 (Page 30) KH802 (Page 30) 1-688-455- (11) • Semiconductor Location Ref. No. Location C-10 C-12 C-12...

  • Page 27: Schematic Diagram - Tuner Section

    CFD-G505 6-6. SCHEMATIC DIAGRAM – TUNER SECTION – • See page 21 for Waveforms. • See page 36 for IC Block Diagrams. JC12 JC11 C51 C52 IC B/D IC B/D JC13 ANT1 CNP2 CNP1 KH802 (Page 31) JC33 KH801 JC34 (Page 31) 0.022...

  • Page 28: Printed Wiring Board - Tc Section

    CFD-G505 6-7. PRINTED WIRING BOARD – TC SECTION – • See page 21 for Circuit Boards Location. • :Uses unleaded solder. T301 C307 C305 R307 C304 R308 R306 C306 IC301 CN303 JC304 R302 R202 R206 R303 S301 S301 (REC/PB) C302...

  • Page 29: Schematic Diagram - Tc Section

    CFD-G505 6-8. SCHEMATIC DIAGRAM – TC SECTION – • See page 21 for Waveforms. • See page 37 for IC Block Diagram. IC301 R103 R112 IC B/D R301 C102 R102 C103 R104 R111 TAPE MECHANISM DECK C301 C104 JC302 C101...

  • Page 30: Printed Wiring Board - Main Section

    CFD-G505 6-9. PRINTED WIRING BOARD – MAIN SECTION – • See page 21 for Circuit Boards Location. • :Uses unleaded solder. CD KEY TUNER KEY BOARD BOARD BOARD KH401 CNP803 KH402 (Page 33) (Page 33) (Page 33) • Semiconductor Location S801 Ref.

  • Page 31: Schematic Diagram - Main Section (1/2)

    CFD-G505 6-10. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – • See page 21 for Waveforms. • See page 38 for IC Pin Function Description. LED1 BOARD LED2 BOARD LED3 BOARD LED4 BOARD CNJ408 CNJ404 CNJ406 D401 D403 D405 IC891 CNJ402...

  • Page 32: Schematic Diagram - Main Section (2/2)

    CFD-G505 6-11. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – • See page 37 for IC Block Diagram. R121 R364 R365 Q351 KH355 CNP394 KTC3198GR-AT C360 IC351 BA5417 J381 D352 1SS355TE-17 R362 R125 1.2k R221 R225 R122 4.7k 4.7k C131 R353 4.7k...

  • Page 33: Printed Wiring Board - Lcd Section

    CFD-G505 6-12. PRINTED WIRING BOARD – LCD SECTION – • See page 21 for Circuit Boards Location. • :Uses unleaded solder. CD KEY BOARD LINE SLEEP POWER KH401 WOOFER PRESET 1-869-434- MAIN BOARD CNP804 (Page 30) TUNER KEY BOARD VOL KEY BOARD...

  • Page 34: Printed Wiring Board - Power Section

    CFD-G505 6-13. PRINTED WIRING BOARD – POWER SECTION – • See page 21 for Circuit Boards Location. • :Uses unleaded solder. BATTERY 1 BOARD BATTERY 2 BOARD MAIN BOARD CNP301 1-869-428- (Page 30) T901 POWER TRANSFORMER NOT REPLACEABLE BUILT IN TRANSFORMER...

  • Page 35: Schematic Diagram - Power Section

    CFD-G505 6-14. SCHEMATIC DIAGRAM – POWER SECTION – (Page 32) KH903 BATTERY 1 BATTERY 2 C901 C909 0.022 2200 D901 JW904 1N5401 CNJ901 D902 1N5401M JW903 JW919 C902 0.022 F902 JW905 JW918 C903 0.022 CNP902 KH941 JW906 D903 JW941 1N5401M...
  • Page 36 CFD-G505 • IC Block Diagrams IC702 BA5826FP-E2 – CD Board – IC701 LC78646E-US-E SP– D.BUFF SL– D.BUFF D.BUFF LEVEL SHIFT 78 77 76 75 74 73 72 71 69 68 67 66 65 64 63 62 61 D.BUFF SPIN LEVEL...
  • Page 37 CFD-G505 – MAIN Board – IC321 BD3870FS-E2 Treble1 Treble2 Bass2 Bass1 Logic fc=8kHz fc=8kHz fo=80Hz fo=80Hz Vcc/2 Vcc/2 0dB- -87dB Vcc/2 Vcc/2 Vcc/2 – TC Board – IC301 TA2068N LINE L.LIN L.PO MIC I/EX AMP1 BUF AMP TAPE L.NF RADIO L.RAD...
  • Page 38 CFD-G505 • IC PIN FUNCTION DESCRIPTION MAIN BOARD IC801 µPD789478GC-A24-8BT (SYSTEM CONTROLLER) 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 39 CFD-G505 Pin No. Pin Name Description – Power supply (+3.3V) – Ground Main system clock oscillator input (4.19MHz) Main system clock oscillator output (4.19MHz) System reset signal input CD function signal output “L”: active LED CONT LED control signal output (not used)

  • Page 40: Exploded Views

    CFD-G505 SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark 0 or may have some difference from the original number in the exploded views are not supplied.

  • Page 41: Cabinet (Front) Section

    CFD-G505 7-2. CABINET (FRONT) SECTION not supplied supplied not supplied (LCD board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-657-087-01 FRAME, X PLODE A-1168-123-A TUNER KEY BOARD, COMPLETE 2-657-083-01 PANEL, LCD 3-254-151-01 SCREW (B2.6), (+) P TAPPING...

  • Page 42: Cabinet (Rear) Section

    CFD-G505 7-3. CABINET (REAR) SECTION T901 F902 not supplied (BATTERY 2 board) not supplied (BATTERY 1 board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-264-908-01 CHASSIS (TRANS) 3-252-830-01 SCREW (B3), (+) PWH TAPPING A-1168-112-A POWER BOARD, COMPLETE 2-067-415-01 TERMINAL (+, –), BATTERY...

  • Page 43: Cabinet (Upper) (1) Section

    CFD-G505 Ver. 1.1 7-4. CABINET (UPPER) (1) SECTION ANT1 S801 cabinet (upper) (2) section supplied (JACK HOLD board) not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-252-828-01 SCREW (B2.6), (+) PWH TAPPING 3-264-889-01 SPRING CD...

  • Page 44: Cabinet (Upper) (2) Section

    CFD-G505 7-5. CABINET (UPPER) (2) SECTION not supplied IC351 supplied Q972 not supplied Q971 IC371 tape mechanism deck section CD mechanism section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-264-890-11 BUTTON PAUSE 1-831-619-11 CABLE, FLEXIBLE FLAT (11 CORE)

  • Page 45: Tape Mechanism Deck Section

    CFD-G505 7-6. TAPE MECHANISM DECK SECTION M971 supplied supplied HRP301 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-663-212-01 BELT (B1), SUB 3-245-709-21 SCREW 2-663-211-01 BELT (B1), MAIN 2-663-206-01 +SCREW BIND DT M2X4 3-254-029-01 SCREW 2-663-207-01 +SCERW BIND M2X4.5...

  • Page 46: Optical Pick-Up Section (Ksm-213Cdp/C2Np)

    CFD-G505 7-7. OPTICAL PICK-UP SECTION (KSM-213CDP/C2NP) not supplied M701 M702 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 501 8-848-483-05 OPTICAL PICK-UP (KSS-213C/Q-RP) 2-626-907-11 GEAR (A) 2-174-500-01 SCREW (2X3) M702 X-2625-769-1 GEAR ASSY (MB) (RP), MOTOR (SLED)

  • Page 47: Electrical Parts List

    CFD-G505 SECTION 8 BATTERY 1 BATTERY 2 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS • SEMICONDUCTORS In each case, u: µ, for example: parts list may be different from the parts All resistors are in ohms.
  • Page 48 CFD-G505 CD KEY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R712 1-216-809-11 METAL CHIP 1/10W S402 1-786-050-21 SWITCH, KEY BOARD (SLEEP) R713 1-216-813-11 RES, CHIP 220 (1608) S403 1-786-050-21 SWITCH, KEY BOARD (LINE) R714 1-216-809-11 METAL CHIP...
  • Page 49 CFD-G505 LED 1 LED 2 LED 3 LED 4 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C125 1-126-963-11 ELECT 4.7uF ************************************************************* LED 1 BOARD C126 1-126-961-11 ELECT 2.2uF C127 1-162-968-11 CERAMIC CHIP 0.0047uF 10%...
  • Page 50 CFD-G505 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C357 1-164-156-11 CERAMIC CHIP 0.1uF D325 8-719-988-61 DIODE 1SS355TE-17 C358 1-164-156-11 CERAMIC CHIP 0.1uF D326 8-719-988-61 DIODE 1SS355TE-17 C359 1-104-662-91 ELECT 22uF D351 8-719-988-61 DIODE 1SS355TE-17...
  • Page 51 CFD-G505 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R227 1-216-833-11 METAL CHIP 1/10W R817 1-216-825-11 RES, CHIP 2.2K (1608) R818 1-216-829-11 RES, CHIP 4.7K (1608) R234 1-216-853-11 METAL CHIP 470K 1/10W R819 1-216-825-11 RES, CHIP 2.2K (1608)
  • Page 52 CFD-G505 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R941 1-216-825-11 RES, CHIP 2.2K (1608) < JACK > R942 1-216-825-11 RES, CHIP 2.2K (1608) 0 CNJ901 1-540-009-11 INLET, AC (- AC IN) R943 1-216-825-11 RES, CHIP 2.2K (1608)
  • Page 53 CFD-G505 Ver. 1.1 TRANS TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > 1-126-960-11 ELECT 1-107-826-11 CERAMIC CHIP 0.1uF R101 1-216-835-11 METAL CHIP 1/10W 1-126-963-11 ELECT 4.7uF R102 1-216-807-11 METAL CHIP 1/10W 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 54 CFD-G505 TUNER TUNER KEY VOL KEY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > 1-216-833-11 METAL CHIP 1/10W 8-719-078-48 DIODE KV1471ETR-G 1-216-813-11 RES, CHIP 220 (1608) 8-719-078-48 DIODE KV1471ETR-G 1-216-813-11 RES, CHIP 220 (1608)
  • Page 55 CFD-G505 Ref. No. Part No. Description Remark HRP301 3-244-085-01 HEAD, R/P IC351 8-759-426-51 IC BA5417 IC371 8-759-426-51 IC BA5417 M702 X-2625-769-1 GEAR ASSY (MB) (RP), MOTOR (SLED) (including GEAR) M971 2-663-205-01 PULLEY (MOTOR) (CAPSTAN/REEL) Q971 8-729-037-08 TRANSISTOR KTD2058Y Q972 8-729-037-08 TRANSISTOR KTD2058Y...

  • Page 56: Revision History

    CFD-G505 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 2006.02...

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