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Sony

CFD-G700CP Datasheet

CD RADIO CASSETTE-CORDER


CFD-G700CP Datasheet Preview


SERVICE MANUAL
Ver. 1.0 2007.03
CFD-G700CP/G770CP/
G770CPKwww.DataSheet4U.com
US Model
CFD-G700CP
Canadian Model
CFD-G770CPK
E Model
CFD-G770CP/G770CPK
Australian Model
CFD-G770CPK
Photo : CFD-G770CPK
CD
Section
TAPE
Section
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Type
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
CFD-G505/G555CP/G555CPK
KSM-213CDP/C2NP
KSS-213C
HCD-EC50
H21SB-C05
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US)
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 from 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
(Th is 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 fl utter
Below measurable limit
Radio section
Frequency range
FM: 87.5 - 108 MHz
AM: 530 - 1 710 kHz
(G700CP: US/G770CPK: CND, MX, E92)
AM: 531 - 1 611 kHz (G770CPK: AUS)
AM: 531 - 1 611 kHz (9 kHz step)(G770CP)
AM: 530 - 1 610 kHz (10 kHz step)(G770CP)
Antennas
FM: Telescopic antenna
AM: Built-in ferrite bar antenna
Cassette-corder section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. 150 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 ,
cone type (2)
Woofer: 13 cm (5 1/8 in.) dia., 4 ,
cone type (1)
Tweeter: 2 cm (13/16 in.) dia. (2)
Input
Built-in audio cable with stereo-mini plug:
Minimum input level 245 mV
AUDIO IN Jack (stereo minijack):
Minimum input level 245 mV
MIC MIX (microphone) jack (monaural minijack):
Sensitivity 2.5 mV, for low impedance
microphone
Minimum input level 2.5 mV (G770CPK)
Outputs
Headphones jack (stereo minijack)
For 16 - 68 impedance headphones
Power output
4 W + 4 W (at 3.2 , 10% harmonic distortion)
Woofer:
12 W (at 4 , 10% harmonic distortion)
Power requirements
For CD radio cassette-corder:
120 V AC, 60 Hz
(G700CP: US/G770CPK: CND, MX, E92)
230 - 240 V AC, 50 Hz (G700CP: SP)
230 V AC, 50 Hz
(G700CP: E41/G770CPK: AUS)
12 V DC, 8 R20 (size D) batteries
For remote control:
3 V DC, 2 R6 (size AA) batteries
Power consumption
AC 28 W
— Continued on next page —
• Abbreviation
AUS : Australian model
E92 : AC 120V area in E model
CND : Canadian model
MX : Mexican model
E41 : AC 230V area in E model SP : Singapore model
CD RADIO CASSETTE-CORDER
9-887-620-01
2007C16-1
© 2007.03
Sony Corporation
Personal Audio Division
Published by Sony Techno Create Corporation
Page 1

CFD-G700CP/G770CP/G770CPK
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. 551 × 247 × 370 mm (w/h/d)
(21 3/4 × 9 3/4 × 14 5/8 inches) (incl. projecting parts)
Mass
Approx. 8.4 kg (18 lb. 9 oz) (incl. batteries)
Supplied accessories
AC power cord (1)
Remote control (1)
Design and specifications are subject to change without
notice.
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Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of 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.
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
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.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS
QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT
DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
2
Page 2

CFD-G700CP/G770CP/G770CPK
www.DataSheet4U.com
TABLE OF CONTENTS
1. SERVICING NOTES ............................................... 4 6. ELECTRICAL ADJUSTMENTS .......................... 23
2. GENERAL ................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 11
3-2. Cabinet (Upper) (1) Section ............................................ 12
3-3. Cabinet (Upper) (2) Section ............................................ 12
3-4. Cabinet (Front) Section ................................................... 13
3-5. LCD Board, AUDIO IN Board, HEADPHONE Board,
POWER KEY Board, MICROPHONE Board
(CFD-G770CPK), VOLUME KEY Board ...................... 13
3-6. Front Panel ...................................................................... 14
3-7. LED Board ...................................................................... 14
3-8. Speaker (13cm) ................................................................ 15
3-9. Speaker (10cm) ................................................................ 15
3-10. POWER Board, BATTERY Board,
D-LIGHT Board (CFD-G700CP) ................................... 16
3-11. WOOFER KEY Board, CD KEY Board ......................... 17
3-12. TUNER Board ................................................................. 17
3-13. Tape Mechanism Deck .................................................... 18
3-14. MAIN Board .................................................................... 18
3-15. CD Block Section ............................................................ 19
3-16. Optical Pick-up (KSM-213CDP/C2NP) ......................... 19
3-17. TC Board ......................................................................... 20
3-18. Main Belt, Sub Belt ......................................................... 20
4. TEST MODE ............................................................... 21
7. DIAGRAMS
7-1. Block Diagram – TUNER/CD Section – ....................... 28
7-2. Block Diagram – MAIN Section – ................................. 29
7-3. Printed Wiring Board – BD90 Board – .......................... 30
7-4. Schematic Diagram – BD90 Board – ............................. 31
7-5. Printed Wiring Board – TUNER Board – ....................... 32
7-6. Schematic Diagram – TUNER Board – ......................... 33
7-7. Printed Wiring Board – TC Board – ............................... 34
7-8. Schematic Diagram – TC Board – ................................. 35
7-9. Printed Wiring Board – MAIN Board – ......................... 36
7-10. Printed Wiring Boards – AUDIO Section – .................... 37
7-11. Printed Wiring Boards – CONTROL Section – ............. 38
7-12. Schematic Diagram – MAIN (1/3), AUDIO Section – .. 39
7-13. Schematic Diagram – MAIN Section (2/3) – ................. 40
7-14. Schematic Diagram
– MAIN (3/3), CONTROL Section – .............................. 41
7-15. Printed Wiring Boards – POWER Section – .................. 42
7-16. Schematic Diagram – POWER Section – ...................... 43
8. EXPLODED VIEWS
8-1. Overall Section ................................................................ 51
8-2. Cabinet (Front) Section ................................................... 52
8-3. Cabinet (Rear) Section .................................................... 53
8-4. Cabinet (Upper) Section-1 ............................................... 54
8-5. Cabinet (Upper) Section-2 ............................................... 55
8-6. Tape Mechanism Deck Section ....................................... 56
5. MECHANICAL ADJUSTMENTS ......................... 23 9. ELECTRICAL PARTS LIST .................................. 57
3
Page 3

CFD-G700CP/G770CP/G770CPK
SECTION 1
SERVICING NOTES
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SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)
To Exposed Metal
Parts on Set
0.15 µF
1.5 k
AC
voltmeter
(0.75 V)
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
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.
During repair, pay attention to electrostatic breakdown and also use
the procedure in the printed matter which is included in the repair
parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe more than 30 cm away from the objective 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
Earth Ground
Fig. A. Using an AC voltmeter to check AC leakage.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
1. Turn ON the [POWER] button.
2. Open the CD lid.
3. Turn on SW2 with screwdriver, etc. as following figure.
4. Press the u (CD) button.
5. Confirm the laser diode emission while observing the objecting
lens. When there is no emission, Auto Power Control circuit
or Optical Pick-up is broken.
Objective lens moves up and down three times for focus search.
SW2
4
Page 4
Part Number CFD-G700CP
Manufactur Sony
Description CD RADIO CASSETTE-CORDER
Total Page 30 Pages
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