Test Mode - Sony CMT-A70 Service Manual

CMT-A50/A70
CD TEST MODE
1. Entering The CD Test Mode
Procedure:
button to turn the power on, and [FUNCTION]
1. Press the
I/1
button to select the CD function.
2. Load a disc for test.
3. Press the three buttons of
simultaneously.
4. Enter the CD Test Mode and display "88" on the LCD.
5. In the CD Test Mode, it changes mode as following figure.
6. In the mode of except FOCUS2 mode, press the
or button to move the sled motor.
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CD Test Mode flow:
( ) number: display number
RW MODE
(RW)
[DISPLAY]
STOP3 MODE
(83)
x CD u
FOCUS2 MODE
(FC)
FOCUS1 MODE
(F-)
[DISPLAY]
ALL SERVO MODE
AUTO MODE
(P-)
(A-)
automatic
transition
T. G UP MODE
(P-
16
SECTION 4

TEST MODE

, [MODE/DIR] and [CLOCK]
x
./m
CD u
INITIAL MODE
(88)
x
CD u
STOP1 MODE
(81)
[DISPLAY]
x
CD u
STOP2 MODE
(82)
x
[DISPLAY]
x
CD u
x
CD u
x
GUP)
[MODE/DIR]
CD u
E-F ADJ2 MODE
(P1) or (F1)
[MODE/DIR]
CD u
FG/TG ADJ2 MODE
(P2) or (F2)
[MODE/DIR]
CD u
F.B ADJ2 MODE
(P3) or (F3)
[MODE/DIR]
2. Releasing The CD Test Mode
To release this mode, press the [DISPLAY] button for to seconds in
the mode of STOP1, STOP2 or STOP3. Or disconnect the AC plug.
(Not used in servicing)
x
x
[MODE/DIR]
x
[MODE/DIR]
x
x
x
x
x
x
x
x
x
x
x
x
x
x
CD u
E-F ADJ1 MODE
(E1)
[MODE/DIR]
CD u
FG/TG ADJ1 MODE
(E2)
[MODE/DIR]
CD u
F.B ADJ1 MODE
(E3)
[MODE/DIR]
CD u
RF AVE MODE
(E4)
[MODE/DIR]
CD u
FE/TE AVE MODE
(E5)
[MODE/DIR]
CD u
RFDC PK1 MODE
(E6)
[MODE/DIR]
CD u
RFDC PK2 MODE
(E7)
[MODE/DIR]
CD u
FZC MON MODE
(E8)
[MODE/DIR]
CD u
FCS PRM MODE
(10)
[MODE/DIR]
CD u
TRK PRM MODE
(20)
[MODE/DIR]
CD u
SLD PRM MODE
(30)
[MODE/DIR]
CD u
CLV PRM MODE
(40)
[MODE/DIR]
CD u
DFT PRM MODE
(50)
[MODE/DIR]
CD u
MON PRM MODE
(60)
[MODE/DIR]