Sony CDP-CE275 / CDP-CE375 Service Manual ▷ View online
3
CDP-CE275/CE375
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
CHECK
Carry out the “S curve check” in “CD section adjustment” and
check that the S curve waveforms is output three times.
check that the S curve waveforms is output three times.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
SECTION 1
SERVICING NOTES
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
other than those specified herein may result in hazardous ra-
diation exposure.
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
BLOCK OR BASE UNIT
HOW TO OPEN THE DISC TABLE WHEN POWER
SWITCH TURNS OFF
SWITCH TURNS OFF
Insert a tapering driver into the aperture of the unit bottom, and
turn it in the direction of the arrow (to OUT direction).
turn it in the direction of the arrow (to OUT direction).
Part No.
Model
Part No.
CDP-CE275: US model
4-233-719-0s
CDP-CE275: Canadian model
4-233-719-1s
CDP-CE275: Australian model
4-233-719-2s
CDP-CE375: US model
4-233-718-0s
CDP-CE375: Canadian model
4-233-718-1s
CDP-CE375: AEP model
4-233-718-2s
CDP-CE375: UK model
4-233-718-3s
CDP-CE375: Australian model
4-233-718-4s
CDP-CE375: E model
4-233-718-5s
CDP-CE375: Singapore model
4-233-718-6s
MODEL IDENTIFICATION
– BACK PANEL –
– BACK PANEL –
table
tapering driver
*
To close the disc table, turn the tapering
driver in the reverse direction (to IN direction).
driver in the reverse direction (to IN direction).
gear (U/D)
gear (RV)
gear, swing
NOTE FOR MAIN GEAR INSTALLATION
4
CDP-CE275/CE375
SECTION 2
GENERAL
• LOCATION OF CONTROLS
– Front panel –
1
POWER button
2
DISC1 – DISC5 button
3
Fluorescent indicator tube display
4
H button
5
X button
6
x button
7
EX-CHANGE button
8
DISC SKIP button
9
l AMS L control
0
A OPEN/CLOSE button
qa
PHONES jack (CE375 only)
– Rear panel –
1
DIGITAL OUT OPTICAL connector
2
ANALOG OUT
1
2
1
2
3
4
6 7
9
5
8
qs
qd
0
qf
qg
qh
qj
qa
qk
w;
ql
wa
ws
qs
CLEAR button
qd
CHECK button
qf
EDIT button
qg
M button
qh
m button
qj
Disc table
qk
TIME button
ql
REPEAT button
w;
FADER button
wa
PEAK SEARCH button
ws
PLAY MODE button
5
CDP-CE275/CE375
3-1. CASE
Note:
Follow the disassembly procedure in the numerical order given.
SECTION 3
DISASSEMBLY
• The equipment can be removed using the following procedure.
Set
Case
Front Panel Assy
Base Unit (BU-5BD27)
Optical Pick-up
Tray, Table Assy
CD Mechanism Block
Sensor Board
Jnuction Board, Loading Motor Board
3
two screws
(BVTP 3x8)
(BVTP 3x8)
4
case
5
6
2
two screws
(case 3TP2)
(case 3TP2)
1
two screws
(case 3TP2)
(case 3TP2)
7
panel, loading
Ver. 1.2
6
CDP-CE275/CE375
3-3. CD MECHANISM BLOCK (CDM59-5BD27)
3-2. FRONT PANEL ASSY
5
five screws
(BVTP 3x8)
(BVTP 3x8)
(CE375)
5
screw
(BVTP 3x8)
(BVTP 3x8)
6
claw
8
front panel assy
7
claw
1
CN601
4
CN351
3
CN301
2
CN602
3
three screws
(BVTP 3x8)
(BVTP 3x8)
4
two screws
(BVTP 3x8)
(BVTP 3x8)
5
tray
6
two screws
(BVTP 3x8)
(BVTP 3x8)
7
CDM59-5BD27
1
CN302
2
CN311
Ver. 1.2