Sony CFD-S07CP Service Manual ▷ View online
CFD-S07CP
9
1 screw
(+BV tapping (B2.6))
2 damper
7 CD lid
3
4
5
6
cabinet (upper) section
1 screw
(+BV tapping (B2.6))
3 three screws
(+BV tapping (B2.6))
4 MD block assy
2 SWITCH board
cabinet (upper) section
2-7. CD LID
2-8. MD BLOCK ASSY
CFD-S07CP
10
2-9. CASSETTE LID
2-10. KEY BOARD
1 screw
(+BV tapping (B2.6))
2 damper
6 cassette lid
3
4
5
cabinet (upper) section
1 two screws
(+BV tapping (B2.6))
4
2 screw
(+BV tapping (B2.6))
3 screw
(+BV tapping (B2.6))
cabinet (front) section
6 four screws
7 three screws
8 KEY board
5 JACK board
CFD-S07CP
11
SECTION 3
MECHANICAL ADJUSTMENTS
SECTION 4
ELECTRICAL ADJUSTMENTS
• Standard Output Level
Output terminal
HP OUT
load impedance
32
Ω
output signal level
0.25 V (–10 dB)
• Test Tape
Tape
Signal
Used for
WS-48A
3 kHz, 0 dB
tape speed adjustment
P-4-A063
6.3 kHz, –10 dB
azimuth adjustment
Tape Speed Adjustment
Procedure:
Mode: playback
Procedure:
Mode: playback
i jack (J301)
set
32
:
test tape
WS-48A
(3 kHz, 0 dB)
WS-48A
(3 kHz, 0 dB)
digital frequency
counter
counter
Adjust so that the value on the digital frequency counter is
3,000 Hz.
3,000 Hz.
Specifi cation Value:
Digital frequency counter
2,910 to 3,090 Hz
Adjust so that the frequency at the beginning and that at the end of
tape winding are between 2,910 to 3,090 Hz.
tape winding are between 2,910 to 3,090 Hz.
Adjustment Location:
Precaution
1. Clean the following parts with a denatured-alcohol-moistened
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 demag-
netizer. (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 (9 V) unless otherwise noted.
Torque Measurement
Mode
Torque meter
Meter reading
FWD
CQ-102C
2.95 – 6.86 mN • m
(30 to 70 g • cm)
(0.42 – 0.97 oz • inch)
FWD
Back tension
Back tension
CQ-102C
0.15 – 0.53 mN • m
(1.5 to 5.5 g • cm)
(0.021 – 0.076 oz • inch)
FF
CQ-201B
more than 5.88 mN • m
(more than 60 g • cm)
(more than 0.83 oz • inch)
REW
CQ-201B
more than 5.88 mN • m
(more than 60 g • cm)
(more than 0.83 oz • inch)
Tape Tension Measurement
Mode
Tension meter
Meter reading
FWD
CQ-403A
more than 100 g
(more than 3.53 oz)
TAPE SECTION
0 dB = 0.775V
Tape speed adjustment
control inside motor
control inside motor
CFD-S07CP
12
• AM Section
Setting:
RADIO BAND•AUTO PRESET button: AM
Setting:
RADIO BAND•AUTO PRESET button: AM
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
• FM Section
Setting:
RADIO BAND•AUTO PRESET button: FM
Setting:
RADIO BAND•AUTO PRESET button: FM
CN1
FM RF signal
generator
generator
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
0.01
PF
set
• Connecting Level Meter (FM, AM)
i jack (J301)
set
32
:
level meter
(range: 0.5–5 V ac)
(range: 0.5–5 V ac)
AM FREQUENCY COVERAGE CHECK (CND, E92, MX)
Frequency Display
530 kHz
1,710 kHz
Adjustment Part
<confi rmation>
AM FREQUENCY COVERAGE CHECK
(EXCEPT CND, E92, MX)
Frequency Display
531 kHz
1,602 kHz
Adjustment Part
<confi rmation>
FM FREQUENCY COVERAGE CHECK
Frequency Display
87.5 MHz
108 MHz
Adjustment Part
<confi rmation>
• Abbreviation
CND : Canadian model
E92
CND : Canadian model
E92
: 120V AC area in E model
MX
: Mexican model
TUNER SECTION
0 dB = 1
μV
Record/Playback Head Azimuth Adjustment
Procedure:
Mode: playback
Procedure:
Mode: playback
i jack (J301)
set
32
:
test tape
P-4-A063
(6.3 kHz, –10 dB)
P-4-A063
(6.3 kHz, –10 dB)
Audio level meter
Play back the test tape (P-4-A063) and adjust a screw for Azimuth
adjustment in the head right side so that the output becomes maxi-
mum. The headphone output level is a range of –7 dB from –15
dB. After the adjustment, apply suitable Locking compound to the
part adjusted.
adjustment in the head right side so that the output becomes maxi-
mum. The headphone output level is a range of –7 dB from –15
dB. After the adjustment, apply suitable Locking compound to the
part adjusted.
Adjustment Location:
Record/playback
Azimuth adjustment screw
Azimuth adjustment screw
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