Sony Cd Player Cdpxe370 Manual

SERVICE MANUAL
COMPACT DISC PLAYER
US Model
CDP-XE270/XE370
Canadian Model
CDP-XE270
AEP Model
UK Model
E Model
Australian Model
CDP-XE270/XE370
SPECIFICATIONS
CDP-XE270/XE370
Photo: CDP-XE370
Ver 1.1  2001.07
Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM66-5BD27
Base Unit Name BU-5BD27
Optical Pick-up Name PXR-104X
Compact disc player
Laser Semiconductor laser (λ =
780 nm)
Emission duration:
continuous
Frequency response 2 Hz to 20 kHz ± 0.5 dB
Dynamic range More than 93 dB
Harmonic...

2
CDP-XE270/XE370
TABLE  OF  CONTENTS
1. SERVICING  NOTES
............................................... 4
2. GENERAL................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 6
3-2. Case ................................................................................. 6
3-3. CD Mechanism Deck (CDM66-5BD27) ........................ 7
3-4. MAIN Board...

3
CDP-XE270/XE370
Notes on chip component replacement
•Never reuse a disconnected chip component.
•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.CAUTION
Use of controls or adjustments or...

4
CDP-XE270/XE370
SECTION  1
SERVICING  NOTES
NOTES  ON  HANDLING  THE  OPTICAL  PICK-UP
BLOCK  OR  BASE  UNIT
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...

5
CDP-XE270/XE370
SECTION  2
GENERAL
This section is extracted from
instruction manual.
CLEAR qg (12)
Disc compartment 6 (8)
Display qj (10)
PLAY MODE 2 (9, 12, 14)
POWER 1 (8)
Remote sensor qh (7 )
(CDP-XE370 only)
REPEAT 3 (9, 11)
TIME w; (10)BUTTON DESCRIPTIONS
A OPEN/CLOSE 7 (8, 10, 12)
H 8 (9, 11, 12, 14)
X 9 (9, 14)
x 0 (9, 14)
lAMSL dial qa (9, 12, 14)
m/M qk (9, 13)
LOCATION  OF  CONTROLS
– FRONT  PANEL –– REMOTE  CONTROL –
(CDP-XE370 only)
ANALOG OUT LEVEL +/– qk (7, 9)
CHECK qg (12)
CLEAR qf...

6
CDP-XE270/XE370
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY  FLOW
SECTION  3
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
3-2. CASE
3-2. CASE
(Page 6)
3-3. CD MECHANISM DECK
(CDM66-5BD27)
(Page 7)
3-5. BASE UNIT
(BU-5BD27)
(Page 8)3-4. MAIN BOARD
(Page 7) SET
1two screws
(case 3 TP2)
1two screws
(case 3 TP2)
1screw
(case 3 TP2)
2case 

7
CDP-XE270/XE370
3-3. CD  MECHANISM  DECK (CDM66-5BD27)
3-4. MAIN  BOARD
1tapering driver
2
3
panel, loading
4wire (flat type) (21core)
7connector (CN151)8CD mechanism deck
(CDM66-5BD27)
– BOTTOM VIEW –
5three screws
(BVTP3 × 8)
6
Note: When the power supply does not turn on, 
rotate the cam with tepering driver (∅3 mm) as the figure shows, 
and the loading panel will be moved.
1connector (CN602)
2wire (flat type) (17core)
(CN621)
2wire (flat type) (21core)
(CN651)
5main board
3four screws
(BVTP3 × 8)...

8
CDP-XE270/XE370
3-5. BASE  UNIT (BU-5BD27)
1screw (DIA. 12), froating
3three screws
 (DIA. 12), froating
4holder (66)
2
– BOTTOM VIEW –
5two springs 
(932), compression
5two springs 
(932), compression
6base unit
(BU-5BD27) 

9
CDP-XE270/XE370
SECTION  4
TEST  MODE
AGING MODE
Procedure:
1. While pressing the both
x and [CLEAR] buttons, turn the
power on.
2. Tray open-close aging is performed.
3. Press the 
[TIME] button to display time for open-close on the
fluorescent indicator tube.
4. To release the mode, press the 
[POWER] button to turn OFF
the power.
CHECK MODE
Procedure:
1. Press the 
[POWER] button to turn ON the power
2. Press the 
[    OPEN/CLOSE] button and insert the disc.
3. Press the 
[POWER] button to turn OFF...

10
CDP-XE270/XE370
Checking Location:
– DISPLAY BOARD (Conductor Side) –
TP 
(ADJ)TP 
(AFADJ) (GND)