Sony CDP-XA20ES Service Manual ▷ View online
– 9 –
LOADING MOTOR (M103)
OPTICAL PICK-UP (KSS-213B/S-N)
A
2
nylon rivet
3
lug
4
leaf spring
(spindle)
(spindle)
5
two nylon rivets
0
Removal the optical
pick-up to direction
of the arrow
pick-up to direction
of the arrow
A
.
6
lug
7
leaf spring (A) (OP)
8
claw
9
sled shaft
1
wire (flat type) (16 core)
(optical pick-up connector)
(optical pick-up connector)
1
Pull the tray.
3
Hang the belt
4
screw
(BVTP 3
(BVTP 3
×
8)
6
loading motor board
7
Remove the two
solders of loading motor.
solders of loading motor.
5
two claws
8
loading motor
(M103)
(M103)
2
connector
(CN103)
(CN103)
– 10 –
POWER BOARD, MAIN BOARD
4
two screws
(BV/RING)
(BV/RING)
1
three connectors
(CN901, 902, 951)
(CN901, 902, 951)
2
four screws
(BVTT 3
(BVTT 3
×
6)
4
screw (BV/RING)
(AEP, UK)
(AEP, UK)
3
power board
5
two screws
(BVTT 3
(BVTT 3
×
6)
6
Removal the main board
to direction of the arrow
to direction of the arrow
A
.
A
– 11 –
SECTION 4
TEST MODE
4-1.
AF MODE
Connect the TP19 (AFADJ) on the BD board to the ground and
turn on the power supply.
The AF mode is then activated and the following check can be
made.
turn on the power supply.
The AF mode is then activated and the following check can be
made.
4-1-1.
Fluorescent Indicator Tube Check
After confirming display of all on, keep pressing the following
button, and the following display is attained.
button, and the following display is attained.
” (PLAY) button
(Display: 01)
P
(PAUSE) button
2
4
6
8
10
12
14
16
18
20
(Display: 02)
(
(
count display
button number
display
display
A track number on FL display tube increases if
= AMS +
knob is rotated in
+ direction, or decreases in = direction.
Keep pressing the
§OPEN/CLOSE button, and all on display is
attained again.
4-1-2.
Key Check
All buttons are assigned with numbers respectively, and when each
button is pressed, it is counted and its number is displayed. Up to
“16” can be counted.
A button pressed once is not further counted but the number is
displayed. (Table 4-1)
button is pressed, it is counted and its number is displayed. Up to
“16” can be counted.
A button pressed once is not further counted but the number is
displayed. (Table 4-1)
Button
Display
Button
Display
TIME
09
PUSH
24
ENTER
PLAY
10
EDIT/
27
MODE
TIME FADE
AUTO
18
REPEAT
28
SPACE
CHECK
19
PEAK
29
SEARCH
CLEAR
20
p
33
FADER
21
(
01
0
22
P
02
)
23
§
all light
OPEN/CLOSE
up
Table 4-1.
4-1-3.
Remote Commander Check
All buttons are assigned with numbers respectively.
If a button is kept pressed, its button number is displayed on the
FL display tube of main unit. (Table 4-2)
If a button is kept pressed, its button number is displayed on the
FL display tube of main unit. (Table 4-2)
(
button number
display
display
– 12 –
Table 4-3.
Button
Display
Button
Display
1
00
10
32
2
01
>10
39
3
02
TIME
40
4
03
A – B
42
5
04
REPEAT
44
6
05
=
48
7
06
+
49
8
07
·
50
9
08
0
51
CHECK
13
)
52
CLEAR
15
SHUFFLE
53
+
18
p
56
–
19
P
57
CONTINUE
29
DISPLAY
86
ON/OFF
PROGRAM
31
FADER
95
Table 4-2.
Button No.
Test Mode
3
Tracking servo off
8
Tracking servo on
11
S-curve measuring mode
12
All servo off
13
Top turnblack display
14
Botton turnblack display
15
Center display
16
Optimum point display
17
Optimum jitter display
18
TE traverse display
19
VC, FE and RF display
20
Autogain display
(Focus, tracking and sled)
(Focus, tracking and sled)
* For button numbers 3, 8, 11, and 12, use them only when an
oscilloscope is connected.
4-3.
CLV-S MODE
The spindle servo can be operated for play in the CLV-S mode by
connecting TP18 (ADJ) and after turning on the power supply.
connecting TP18 (ADJ) and after turning on the power supply.
4-4.
RELEASE THE TEST MODE
Disconnect the lead wire of test point connected in first step.
4-2.
ADJ MODE
Connect the TP18 (ADJ) on the BD board to the ground and turn
on the power supply. The ADJ mode is then activated and the
following operation is executed.
• There is no problem even if Guarded Frame Sync is low value
on the power supply. The ADJ mode is then activated and the
following operation is executed.
• There is no problem even if Guarded Frame Sync is low value
continuously during playing.
• Do not perform high speed search during an access.
• The gain of focus servo and spindle servo does not lower during
• The gain of focus servo and spindle servo does not lower during
playing.
• Manual operation and measurement of the servo system are pos-
sible. (For detailed operating method, see Table 4-3. in ADJ
Mode.)
Mode.)
4-2-1.
Button Operation Table in ADJ Mode
After all music numbers are displayed, press the TIME button,
and the jitter display mode is then set. The button functions are as
listed below.
and the jitter display mode is then set. The button functions are as
listed below.
Button Functions (Operate with remote commander.)
Connecting Location:
[BD BOARD] – Side B –
[BD BOARD] – Side B –
TP19 (AFADJ)
TP18 (ADJ)
IC102
IC351
IC361
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