Test Mode - Sony CDP-CA80ES Service Manual

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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
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
ADJ Mode Special Function Table
Button
3 Tracking servo, sled servo OFF
8 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.
3. All buttons have individual button numbers.
When a button is pressed, the button number is counted up and
TE
L 13942296513
displayed.
1 0
Count up display Displays button number
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.
4. To exit the mode, press the 1/u button to turn OFF the power.
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SECTION 3

TEST MODE

Function
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2 9
8
Buttons and Corresponding Button Numbers
Button
CONTINUE 18
SHUFFLE 17
PROGRAM 16
REPEAT 9
TIME/TEXT 8
DISC CHECK 30
DISC1 23
DISC2 22
DISC3 21
DISC4 20
DISC5 19
( (PLAY)
Partial lighting 1 (Grid check)
P (PAUSE)
28
p (STOP)
Partial lighting 2 (Segment check)
EX-CHANGE 24
DISC SKIP 25
§ OPEN/CLOSE All lit (LED lighting)
AMS ±
30
AMS ≠
31
1 4
2 3
Q Q
3 2
3 6 7 1 3 1 5
4 1
5 0
6 15
7 14
8 13
9 12
10 11
>10 10
[MAIN BOARD] – CONDUCTOR SIDE –
IC501
co
TP2
(ADJ)
.
9 4 2 8
Button Number or Display
0 5 8 2 9 9 4 2 8
m
R544
TP1
(AFADJ)
9 9
9 9