Sony CMT-CP2W / HCD-CP2 (serv.man2) Service Manual ▷ View online
9
CD BOLCK ASSY
1
two screws
(P2.6
(P2.6
×
10)
2
washer (2130)
3
coil spring (front)
3
coil spring
(front)
(front)
4
CD block assy
2
washer (2130)
3
coil spring (front)
3
coil spring (front)
2
washer (2130)
1
two screws
(P2.6
(P2.6
×
10)
2
washer (2130)
4
Pull the tray (2130).
8
Remove the tray (2130).
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 A.
in the direction of arrow A.
A
TRAY (2130)
10
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 (2130)
• SUB CHASSIS (2130) INSTALLATION
Note:
Follow the assembly procedure in the numerical order given.
11
[MC Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
the set to the customer.
Procedure:
1. While pressing the
1. While pressing the
?/1
button, connect the power cord.
2. The set is reset.
[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
x
(TAPE B),
x
(CD), and
[TUNER]
simultaneously.
4. The aging is executed in bellow sequence.
5. To release from the aging mode, press the
5. To release from the aging mode, press the
?/1
button to turn
the power OFF.
Aging mode sequence:
[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-B.
2. Set to standby state.
3. Press three buttons of
1. Set a tape in the tape deck-B.
2. Set to standby state.
3. Press three buttons of
x
(TAPE B),
x
(CD), and
[TAPE]
simultaneously.
4. The aging is executed in bellow sequence.
5. To release from the aging mode, press the
5. To release from the aging mode, press the
?/1
button to turn
the power OFF.
SECTION 4
TEST MODE
Start
Open the disc tray
Close the disc tray
Play the last track
Aging mode sequence:
[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
x
(TAPE B),
x
(CD), and
[VIDEO]
simultaneously.
3. Liquid crystal display are all turned on.
4. To release from this mode, press the
4. To release from this mode, press the
?/1
button to turn the
power OFF.
[ROM Version Display Mode]
Procedure:
1. Set to standby state.
2. Press three buttons of
1. Set to standby state.
2. Press three buttons of
x
(TAPE B),
x
(CD), and
[DSG]
si-
multaneously.
3. The ROM version is displayed.
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
12
[CD TEST MODE]
In the CD test mode, the set works as following sequence.
CD test mode sequence:
1. Enter the CD test mode
3. FOCUS mode
5. LPC OFF
mode
2. STOP mode
4. ALL SERVO
ON mode
6. TRACKING
GAIN UP mode
Press the u (CD)
button.
Press the u (CD)
button.
Press the u (CD)
button.
Press the x (CD)
button.
Press the u (CD)
button.
Press the x (CD)
button.
Press the x (CD)
button.
Press the x (CD)
button.
Press the u (CD)
button.
2. STOP Mode
1. Press the
[EJECT ]
button twice to disc tray open and close.
(All servo ON)
2. Press the
>
and
.
button to move the optical pick-up
to position of the track where signal is recorded.
3. FOCUS Mode
1. Press the
u
button to enter the FOCUS mode and display
as below. (Focus servo ON. CLV-S, tacking and sled servo OFF)
2. Connect an oscilloscope to TP (TE) and TP (VC) on the CD
board.
Connection:
3. Confirm the traverse level and center values of waveform sat-
isfy specified value as follows.
Specified value:
traverse level A : more than 350 mVp-p
center values B
traverse level A : more than 350 mVp-p
center values B
: 0 ± 50 mV
Display
F
* * * *
+
–
–
BD board
TP (TE)
TP (VC)
TP (VC)
oscilloscope
(DC range)
B
(DC
voltage)
A
0 V
Center of the waveform
Traverse waveform
Z
Note:
TRACKING GAIN UP mode is not used in servicing.
1. Entering the CD Test Mode
1. Press the
?/1
button to turn the power ON.
2. Press the
[EJECT ]
button to open the disc tray, and put a
disc.
3. Press the
[EJECT ]
button to close the disc tray.
4. Press the
?/1
button to turn the power OFF.
5. While pressing the both
x
(TAPE B) and
x
(CD) buttons,
press the
[CD]
(function) button.
6. Enter the CD test mode, and display as below for a few sec-
onds.
Note:
Lights up “STEREO” indication
:LPC ON
Does not light up “STEREO” indication
:LPC OFF
*) LPC: Laser power control
7. Then display as below, and enter the STOP mode.
Display
AUTO
F
* * * *
STEREO
Display
* * * *
STEREO
Z
Z
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