Sony CDP-CA70ES Service Manual ▷ View online
— 9 —
SECTION 3
DISASSEMBLY
3-2.
DISC TABLE ASSEMBLY AND DISC TABLE AND PRESS PULLEY
Note :
Follow the disassembly procedure in the numerical order given.
3-1.
FRONT PANEL
1
Remove top cover.
2
Eject the disc table referring to SERVICING NOTE (Page 4).
6
Nine screws
M 3
×
12
!£
Three screws
M 3
×
12
!º
Connector
(CN351)
9
Connector
(CN403)
!¡
Flat type wire (15 core)
(CN402)
5
Loading panel
Loading panel
4
4
3
3
3
7
Three screws
+BVTT 3
×
6
!¢
Three screws
+BVTP 2.6
×
8
!∞
Reinforcement (panel)
!§
Front panel
!™
Three screws
+BVTT 3
×
6
8
Bottom board
!§
Press pulley(L)
!∞
Chucking yoke
!¶
Magnet
1
Screw (BVTP 3
×
8)
3
Screw +BVTP 3
×
8
7
Screw
(BVTP 3
×
8)
5
Screw (BVTP 3
×
8)
2
Bracket
(guide F1)
6
Bracket
(guide F1)
4
Bracket (guide B1)
!£
Insert an ice
pick tip and
hold it.
hold it.
!¢
Rotate the
press pulley(L)
in the arrow
direction.
in the arrow
direction.
8
Bracket
(guide B1)
9
Flat type wire (6 core)
!º
Disc table assembly
!¡
Screw
(M 3
×
12)
!™
Disc table (B)
— 10 —
3-4.
CDM ASSEMBLY
3-3.
MAIN BOARD
1
Connector (CN601)
2
Connector
(to Rotary encoder)
3
Flat type wire
(23 core)(CN401)
4
Two screws
(BVTT 3
×
6)
8
Flat type wire
(6 core)(CN504)
8
Main board
7
Two claws
5
Two screws
(BV/ring)
6
Seven screws
(BVTP 3
×
8)
1
Five screws
(BV/ring)
3
Two screws
(BVTT 3
×
8)
4
Bracket (transformer) and
bracket (board)
6
CDM assembly
2
Back panel
— 11 —
3-6.
BRACKET (GEAR) ASSEMBLY
Note :
As for the installation of the main gear, refer to “Note for MAIN
GEAR installation” on page 4.
GEAR installation” on page 4.
3-5.
OPTICAL PICK-UP BLOCK ASSEMBLY
2
Screw
(M 3
×
12)
3
Two screws
(PTPWH 2.6
×
6)
8
Optical pick-up block assembly
7
Compression spring (BU)
6
Compression spring (BU)
5
Holder (BU)
4
Two screws
(PTPWH 2.6
×
6)
1
Flat type wire (23 core)
(BD board, to CN101)
1
Stopper washer (5)
3
Stopper washer (5)
2
Gear (REV)
4
Gear (MAIN)
8
Gear (U/D)
6
Rotary encoder
7
Stopper washer (5)
9
Five screws
(BVTP 3
×
8)
5
Screw
(BVTP 3
×
8)
!º
Bracket (GEAR)
assembly
— 12 —
SECTION 4
TEST MODE
ADJ MODE
1. Chuck the CD first, and then turn OFF the power.
2. Short-circuit the test point (TP2:ADJ) of the main board and
2. Short-circuit the test point (TP2:ADJ) of the main board and
ground with a lead wire.
3. Press the
1/u button to turn ON the power.
The CD is played back automatically and the ADJ mode is set.
4. To exit the mode, press the
1/u button to turn OFF the power.
• Prohibits high speed search during accessing
• Ignores even if GFS becomes L
• Ignores even if GFS becomes L
ADJ Mode Special Function Table
Button
Function
3
8
Tracking servo, sled servo OFF
Tracking servo, sled servo ON
FLUORESCENT INDICATOR TUBE, LED ALL LIT,
AND KEY CHECK MODE
1. Short-circuit the test (TP1:AFADJ) of the main board and ground
with a lead wire.
2. Press the
1/u button to turn ON the power.
The whole fluorescent indicator tube lights up.
Nothing will be displayed when the SRAM is faulty or improperly
soldered.
Nothing will be displayed when the SRAM is faulty or improperly
soldered.
3. All buttons have individual button numbers.
When a button is pressed, the button number is counted up and
displayed.
displayed.
Buttons and Corresponding Button Numbers
Button
Button Number or Display
CONTINUE
SHUFFLE
PROGRAM
REPEAT
TIME/TEXT
DISC CHECK
DISC1
DISC2
DISC3
DISC4
DISC5
( (PLAY)
P (PAUSE)
p (STOP)
EX-CHANGE
DISC SKIP
§ OPEN/CLOSE
AMS
±
AMS
≠
1
2
3
4
5
6
7
8
9
10
>10
18
17
16
9
8
30
23
22
21
20
19
Partial lighting 1 (Grid check)
28
Partial lighting 2 (Segment check)
24
25
All lit (LED lighting)
30
31
4
3
2
1
0
15
14
13
12
11
10
When remote controller signals are received, “RM
**” will be
displayed.
(
(
** are the numbers corresponding to the remote controller keys.)
When using the remote controller, switch the COMMAND
MODE switch to CD1.
MODE switch to CD1.
4. To exit the mode, press the
1/u button to turn OFF the power.
[MAIN BOARD] – CONDUCTOR SIDE –
Count up display
Displays button number
1
0
IC501
R544
TP2
(ADJ)
TP1
(AFADJ)
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