Read Sony CFD-G70L Service Manual online
2
CFD-G70L
SAFETY-RELATED COMPONENT WARNING!!
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.
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.
TABLE OF CONTENTS
Specifications ............................................................................... 1
1. SERVICING NOTES
...................................................... 3
2. GENERAL
Location and Function of Controls ....................................... 5
3. DISASSEMBLY
3-1. Cabinet (Front) ASSY, Cabinet (Rear) ASSY ............. 6
3-2. Control-1 Board, Control-2 Board .............................. 7
3-3. Headphone Board ........................................................ 7
3-4. Cabinet Top ASSY ....................................................... 8
3-5. LCD Board .................................................................. 8
3-6. AC Inlet Board, Power Board ...................................... 9
3-7. Tuner Board ................................................................. 9
3-8. BATT Board, BATT COM Board .............................. 10
3-9. Main Board ................................................................ 10
3-10. CD Board, TC Board, Optical Pick-up Block,
3-2. Control-1 Board, Control-2 Board .............................. 7
3-3. Headphone Board ........................................................ 7
3-4. Cabinet Top ASSY ....................................................... 8
3-5. LCD Board .................................................................. 8
3-6. AC Inlet Board, Power Board ...................................... 9
3-7. Tuner Board ................................................................. 9
3-8. BATT Board, BATT COM Board .............................. 10
3-9. Main Board ................................................................ 10
3-10. CD Board, TC Board, Optical Pick-up Block,
Mechanism Deck ....................................................... 11
3-11. M321 (Capstan/Reel Motor), Belt,
“HRP301 Head, Magnetic (Record/Playback)”
HE301 Head (Erase) .................................................. 11
HE301 Head (Erase) .................................................. 11
3-12. Optical pick-up (KSS-213C) ..................................... 12
4. ADJUSTMENTS
4-1. Mechanical Adjustments ............................................ 13
4-2. Electrical Adjustments ............................................... 13
4-2. Electrical Adjustments ............................................... 13
5. DIAGRAMS
5-1. Explanation of IC Terminals ...................................... 17
5-2. Block Diagram – Tuner/TC Section – ....................... 19
5-3. Block Diagram – Main Section – .............................. 20
5-4. Block Diagram – CD Section – ................................. 21
5-5. Printed Wiring Board – Tuner Section – ................... 22
5-6. Schematic Diagram – Tuner Section – ...................... 23
5-7. Printed Wiring Board – CD Section – ....................... 24
5-8. Schematic Diagram – CD Section – .......................... 25
5-9. Printed Wiring Board – TC Section – ........................ 26
5-10. Schematic Diagram – TC Section – .......................... 26
5-11. Printed Wiring Board – Main Section – .................... 27
5-12. Schematic Diagram – Main Section (1/2) – .............. 28
5-13. Schematic Diagram – Main Section (2/2) – .............. 29
5-14. Printed Wiring Board – Control Section – ................ 30
5-15. Schematic Diagram – Control Section – ................... 31
5-16. Printed Wiring Board – Power Supply Section – ...... 32
5-17. Schematic Diagram – Power Supply Section – ......... 33
5-2. Block Diagram – Tuner/TC Section – ....................... 19
5-3. Block Diagram – Main Section – .............................. 20
5-4. Block Diagram – CD Section – ................................. 21
5-5. Printed Wiring Board – Tuner Section – ................... 22
5-6. Schematic Diagram – Tuner Section – ...................... 23
5-7. Printed Wiring Board – CD Section – ....................... 24
5-8. Schematic Diagram – CD Section – .......................... 25
5-9. Printed Wiring Board – TC Section – ........................ 26
5-10. Schematic Diagram – TC Section – .......................... 26
5-11. Printed Wiring Board – Main Section – .................... 27
5-12. Schematic Diagram – Main Section (1/2) – .............. 28
5-13. Schematic Diagram – Main Section (2/2) – .............. 29
5-14. Printed Wiring Board – Control Section – ................ 30
5-15. Schematic Diagram – Control Section – ................... 31
5-16. Printed Wiring Board – Power Supply Section – ...... 32
5-17. Schematic Diagram – Power Supply Section – ......... 33
6. EXPLODED VIEWS
6-1. Cabinet (Front) Assy .................................................. 38
6-2. Cabinet (Rear) Assy ................................................... 39
6-3. Cabinet Top Assy ....................................................... 40
6-4. Mechanism Deck Section (1) (MF-V5-117) .............. 41
6-5. Mechanism Deck Section (2) (MF-V5-117) .............. 42
6-6. Optical Pick-up Block Section (KSM-213CDP) ....... 43
6-2. Cabinet (Rear) Assy ................................................... 39
6-3. Cabinet Top Assy ....................................................... 40
6-4. Mechanism Deck Section (1) (MF-V5-117) .............. 41
6-5. Mechanism Deck Section (2) (MF-V5-117) .............. 42
6-6. Optical Pick-up Block Section (KSM-213CDP) ....... 43
7. ELECTRICAL PARTS LIST
...................................... 44
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270°C during
• Keep the temperature of the soldering iron around 270°C during
repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Maximum power output
Main speaker: 8 W
Subwoofer: 12 W
GAME Xpand: 2.4 W
Subwoofer: 12 W
GAME Xpand: 2.4 W
Power requirements
For CD radio cassette-corder:
Argentine model: 220 - 230 V AC, 50 Hz
Other models: 230 V AC, 50 Hz
12 V DC, 8 R20 (size D) batteries
For remote control:
3 V DC, 2 R6 (size AA) batteries
Argentine model: 220 - 230 V AC, 50 Hz
Other models: 230 V AC, 50 Hz
12 V DC, 8 R20 (size D) batteries
For remote control:
3 V DC, 2 R6 (size AA) batteries
Power consumption
AC 35 W
Battery life
For CD radio cassette-corder:
FM recording
Sony R20P: approx. 6.5 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. 530 195 342 mm (w/h/d)
(20
(20
7
⁄
8
7
x
x
3
⁄
4
13
1
⁄
2
inches)
(incl. projecting parts)
Mass
Approx. 7.4 kg (16 lb. 5 oz) (incl. batteries)
Supplied accessories
Mains lead (1)
Remote control (1)
AV connecting cord (1)
Audio connecting cord (1)
Remote control (1)
AV connecting cord (1)
Audio connecting cord (1)
Design and specifications are subject to change without
notice.
notice.
Infomation
For customers in Europe
For customers in Europe
This Compact Disc player is classified as a CLASS 1 LASER
product.
The CLASS 1 LASER PRODUCT label is located at the bottom
of the player.
product.
The CLASS 1 LASER PRODUCT label is located at the bottom
of the player.
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