Sony CFD-G35 Service Manual ▷ View online
10
CFD-G35
3-10. BATT COM, BATT Board
2
Remove harnesses in the direction
of the arrow.
1
CNP902
(from BATT board KH951)
5
s
crew
3
×
8 (DIA, 10),+WH
6
BATT COM board
9
b
attery
terminal
8
b
attery terminal
4
BATT board
7
t
hree screw
+BVTP 3
×
10
3
s
crew
3
×
8 (DIA, 10),+WH
BATT board
3-11. MAIN Board- 1
0
f
our screws
+BVTP 3
×
10
3
CD door sw
(S801)
4
CNP351
!¡
MAIN board
8
CNP371
7
CNP372
6
CNP373
5
CNP352
9
CNP302
1
f
lexible flat cable
CNP805
2
f
lexible flat cable
CNP802
L-R/REG board
PDW board
11
CFD-G35
3-12. MAIN Board- 2
5
MAIN board
CNP374
CNP353
chassis (CD)
L-R/REG board
1
from TUNER board CNP1
2
from HEADPHONE board CNP391
3
from HEADPHONE board CNP393
4
from POWER board CNP903
PDW board
3-13. Mechanism Deck Section (MF-V5-117)
4
t
hree screws
+BVTP 3
×
10
1
f
lexible flat cable
(from MAIN board CNP805)
5
m
echanism deck section
(MF-V5-117)
3
TC board
2
s
crew
+PTT 2
×
6
12
CFD-G35
3-14. CD Block Section (KSM-213RDP)
3-15. PDW, L-R/REG Board
4
CD board
3
f
lexible flat cable
CNP701
2
Remove solderings
from the four points.
1
f
lexible flat cable
(from MAIN board CNP802)
6
CD block section
(KSM-213RDP)
5
f
our screws
2.6
×
10 (DIA, 10),+WH
5
three
screws
+BVTP 3
×
10
1
s
crew
+BVTP 3
×
10
3
t
wo screws
+BVTP 3
×
10
6
PDW board,
Chassis (HS, R)
4
L-R/REG board,
Chassis (HS, L)
2
clamp
13
CFD-G35
4-1. Mechanical Adjustments
PRECAUTION
1.
Clean the following parts with a denatured-alcohol-moistened
swab :
swab :
record/playback head
pinch roller
erase head
rubber belts
capstan
2.
Demagnetize the record/playback head with a head demagne-
tizer. (Do not bring the head demagnetizer close to the erase
head.)
tizer. (Do not bring the head demagnetizer close to the erase
head.)
3.
Do not use a magnetized screwdriver for the adjustments.
4.
The adjustments should be performed with the rated power
supply voltage (9V) unless otherwise noted.
supply voltage (9V) unless otherwise noted.
Torque Measurement
Torque
Torque Meter
Meter Reading
1.77 – 5.88 mN•m
Forward
CQ-102C
(18 – 60 g•cm)
(0.25 – 0.83 oz•inch)
Forward
0.1 – 0.49 mN•m
Back Tension
CQ-102C
(1.0 – 5.0 g•cm)
(0.014 – 0.069 oz•inch)
4.42 – 9.31 mN•m
Fast Forward
CQ-201B
(45 – 95 g•cm)
(0.62 – 1.32 oz•inch)
4.42 – 9.31 mN•m
Rewind
CQ-201B
(45 – 95 g•cm)
(0.62 – 1.32 oz•inch)
Tape Tension Measurement
Torque Meter
Meter Reading
CQ-403A
more than 60g
(more than 2.12 oz)
SECTION 4
ADJUSTMENTS
4-2. Electrical Adjustments
TAPE SECTION
Standard Output Level
Output terminal
HP OUT
load impedance
32
Ω
output signal level
0.25V (–10dB)
Test Tape
Type
Signal
Used for
WS-48A
3kHz, 0dB
Tape Speed Adjustment
Tape Speed Adjustment
Procedure :
Mode : Playback
Adjustment so than the value on the digital frequency counter is
3,000 Hz.
3,000 Hz.
Adjustment Value : 3,000Hz
Standard Value : 2,940 - 3,060Hz
Standard Value : 2,940 - 3,060Hz
Frequency difference between the beginning and the end of the tape
should be within 1.5% (45Hz).
should be within 1.5% (45Hz).
set
test tape
WS-48A
(3kHz, 0dB)
WS-48A
(3kHz, 0dB)
32
Ω
digital frequency
counter
counter
J391
(
i
)
Tape speed adjustment
control inside motor
control inside motor
0dB = 0.775V
Adjustment Location : Mechanism deck
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