Sony CFD-F17CP Service Manual ▷ View online
13
CFD-F17CP
3-11. TC BOARD
3-12. RF BELT, SUB BELT (B)
3
hook
1
screw
4
Remove solder from the four points.
yellow red gray
black
2
earth wire
5
TC board
TC board
1
two screws
(+bind DT M2
(+bind DT M2
×
6)
3
pulley motor section
2
hook
4
RF belt
5
sub belt (B)
14
CFD-F17CP
3-13. CD/MP3 BOARD, CD MECHANISM (KSM-213CDP)
3-14. OPTICAL PICK-UP (KSS-213C)
1
four screws
(+PWH 2.6
(+PWH 2.6
×
10)
2
screw
4
wire (flat type)
(20 core)(CNP702)
(20 core)(CNP702)
5
wire (flat type)
(16 core) (CNP701)
(16 core) (CNP701)
6
CD/MP3 board
3
Remove solder
from the four points.
7
optical pick-up
(KSM-213CDP)
5
optical pick-up
(KSS-213C)
1
gear (A)
3
2
claw
4
sled shaft
15
CFD-F17CP
SECTION 5
ELECTRICAL ADJUSTMENTS
SECTION 4
MECHANICAL ADJUSTMENTS
Mode
Tension Meter
Meter Reading
FWD
CQ-403A
more than 100 g
(more than 3.53 oz)
• Tape Tension Measurement
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head
pinch roller
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer. (Do not bring the head magnetizer close to the erase
head.)
head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the rated power
4. The adjustments should be performed with the rated power
supply voltage (9V) unless otherwise noted.
• Torque Measurement
Mode
Torque Meter
Meter Reading
2.95 – 6.86 mN•m
FWD
CQ-102C
(30 – 70 g•cm)
(0.42 – 0.97 oz•inch)
0.15 – 0.53 mN•m
FWD
CQ-102C
(1.5 – 5.5 g•cm)
Back Tension
(0.021 – 0.076 oz•inch)
more than 5.88 mN•m
FF
CQ-201B
(more than 60 g•cm)
(more than 0.83 oz•inch)
more than 5.88 mN•m
REW
CQ-201B
(more than 60 g•cm)
(more than 0.83 oz•inch)
TAPE SECTION
0 dB=0.775 V
• Standard Output Level
Output terminal
HP OUT
load impedance
32
Ω
output signal level
0.25 V (–10 dB)
• Test tape
Type
Signal
Used for
WS-48A
3 kHz, 0 dB
Tape Speed Adjustment
Tape Speed Adjustment
Procedure:
Mode: playback
Mode: playback
Adjust so that the value on the digital frequency counter is
3,000 Hz.
3,000 Hz.
Specification Value:
Digital frequency counter
2,940 to 3,060 Hz
Adjust so that the frequency at the beginning and that at the end of
tape winding are between 2,940 to 3,060 Hz.
tape winding are between 2,940 to 3,060 Hz.
Adjustment Location:
i
jack (J321)
set
32
Ω
test tape
WS-48A
(3 kHz, 0 dB)
WS-48A
(3 kHz, 0 dB)
digital frequency
counter
counter
Tape speed adjustment
control inside motor
control inside motor
16
CFD-F17CP
TUNER SECTION
0 dB=1
µ
V
• AM Section
Setting:
RADIO BAND•AUTO PRESET button: MW or LW
RADIO BAND•AUTO PRESET button: MW or LW
• FM Section
Setting:
RADIO BAND•AUTO PRESET button: FM
RADIO BAND•AUTO PRESET button: FM
• Connecting Level Meter (FM, AM)
• Connecting Digital Voltmeter (FM, AM)
•
Repeat the procedures in each adjustment several times, and
the frequency coverage and tracking adjustments should be
finally done by the trimmer capacitors.
finally done by the trimmer capacitors.
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
450 kHz
AM FREQUENCY COVERAGE CHECK
Frequency Display
531 kHz
1,611 kHz
Reading on Digital voltmeter
1.0
±
0.5 V
5.2
±
0.6 V
Adjustment Part
<confirmation>
<confirmation>
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
CT3
621 kHz
1,404 kHz
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
10.7 MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Frequency Display
87.5 MHz
108 MHz
Reading on Digital voltmeter
1.3
±
0.3 V
3.0
±
0.2 V
Adjustment Part
<confirmation>
L2
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
87.5 MHz
108 MHz
Adjustment Location: See page 17.
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
AM RF signal
generator
generator
30% amplitude
modulation by
400 Hz signal
modulation by
400 Hz signal
TP (ANT)
FM RF signal
generator
generator
0.01
µ
F
set
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
deviation by 1 kHz signal
output level : as low as possible
i
jack (J321)
set
32
Ω
level meter
(range: 0.5–5 V ac)
(range: 0.5–5 V ac)
digital
voltmeter
voltmeter
100 k
Ω
TP (VT)
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