Sony HCD-CP1 / HCD-CP1K Service Manual ▷ View online
– 9 –
CD MECHANISM DECK
BU ASS’Y
3
two screws
(BTP3
(BTP3
×
8)
3
two screws
(BTP3
(BTP3
×
8)
2
flat wire (19 core)
(CN805)
(CN805)
1
connector
4
CD mechanism deck
1
screw
(P2.6
(P2.6
×
10)
3
coil spring
(front)
(front)
3
coil spring
(rear)
(rear)
3
coil spring
(rear)
(rear)
2
washer
2
washer
2
washer
3
coil spring
(front)
(front)
2
washer
1
screw
(P2.6
(P2.6
×
10)
1
two screws
(P2.6
(P2.6
×
10)
4
BU ass’y
Note: As
3
coil springs are missed easily, treat them carefully.
– 10 –
4
Pull the tray.
8
Remove the tray.
7
lock lever
1
two screws
(PTPWH2.6
(PTPWH2.6
×
7)
2
chucking yoke (K)
6
damper (S)
5
claw
7
lock lever
3
Rotate the control cam
in the direction of arrow
in the direction of arrow
A
.
A
TRAY
• SUB CHASSIS INSTALLATION
Note:
Follow the assembly procedure in the numerical order given.
2
Install the drive gear with gear
position as shown in figure.
position as shown in figure.
gear
front side
1
Install the control cam
with gear position as shown
in figure.
with gear position as shown
in figure.
gear
front side
3
screw
(PTPWH2.6
(PTPWH2.6
×
16)
5
two screws
(PTPWH2.6
(PTPWH2.6
×
7)
4
sub chassis
– 11 –
SECTION 4
SERVICE MODE
[Liquid Crystal Display All Lit Check Mode]
Procedure:
1. Set to standby state.
2. Press three buttons of
1. Set to standby state.
2. Press three buttons of
p (TAPE), p (CD), and
[MD/VIDEO]
simultaneously.
3. Liquid crystal display are all turned on.
4. To exit from this mode, press the
4. To exit from this mode, press the
1/
u
button to turn the power
OFF.
[Tape Deck Aging Mode]
This mode can be used for operation check of tape deck section.
Procedure:
1. Set a tape in the tape deck.
2. Set to standby state.
3. Press three buttons of
1. Set a tape in the tape deck.
2. Set to standby state.
3. Press three buttons of
p (TAPE), p (CD), and
[TAPE]
si-
multaneously.
4. The aging is executed in bellow sequence.
5. To exit from the aging mode, press the
5. To exit from the aging mode, press the
1/
u
button to turn the
power OFF.
Aging mode sequence:
[CD Aging Mode]
This mode can be used for operation check of CD section.
Procedure:
1. Load a CD disc.
2. Set to standby state.
3. Press three buttons of
1. Load a CD disc.
2. Set to standby state.
3. Press three buttons of
p (TAPE), p (CD), and
[TUNER]
simultaneously.
4. The aging is executed in bellow sequence.
5. To exit from the aging mode, press the
5. To exit from the aging mode, press the
1/
u
button to turn the
power OFF.
Aging mode sequence:
Start
REC pause for 3 seconds
FWD REC
Fast forward
REV Play
REC pause for 3 seconds
REV REC
Rewind
FWD Play
Shut off
Shut off
Shut off
Shut off
1 minute
3 minutes
1 minute
3 minutes
Start
Open the disc tray
Close the disc tray
Play the last track
– 12 –
SECTION 5
ELECTRICAL CONFIRMATIONS AND ADJUSTMENTS
0 dB=0.775 V
DECK SECTION
Tape
Signal
Used for
P-4-A100
10 kHz, –10 dB
Azimuth Adjustment
WS-48B
3 kHz, 0 dB
Tape Speed Adjustment
P-4-L300
315 Hz, 0 dB
Level Adjustment
Note:
Confirm each contents of this section first of all. If the results are
not satisfied, do the adjustment.
not satisfied, do the adjustment.
1. Demagnetize the record/playback head with a head demagne-
tizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
3. After the adjustments, apply suitable locking compound to the
parts adjust.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuit ad-
justment should be completed before performing recording
circuit adjustment.)
justment should be completed before performing recording
circuit adjustment.)
6. The adjustments should be performed for both L-CH and R-
CH.
7. Switches and controls should be set as follows unless other-
wise specified.
• Test Tape
Record/Playback Head Azimuth Adjustment
Procedure:
1. Mode: Playback
1. Mode: Playback
set
MAIN board
LINE OUT jack (PJ301)
L-CH, R-CH
LINE OUT jack (PJ301)
L-CH, R-CH
+
–
–
level meter
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
Screw
position
position
L-CH
peak
peak
within
1dB
1dB
Output
level
level
L-CH
peak
peak
R-CH
peak
peak
within
1dB
1dB
Screw
position
position
R-CH
peak
peak
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
so that outputs match within 1dB of peak.
3. Mode: Playback
4. Repeat step 1 to 3 in playback (REV) mode.
5. After the adjustments, apply suitable locking compound to the
5. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location:
MAIN
board
CN301
set
board
CN301
set
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
R-CH
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
in phase 45
°
90
°
135
°
180
°
good
wrong
MAIN board
LINE OUT jack (PJ301)
L-CH
LINE OUT jack (PJ301)
L-CH
forward
reverse
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