4
D-EJ1000
SERVICE MODE
The following confirmation can be performed when the Service
Mode is set.
1. How to set the Service Mode.
To set the Service Mode, the following method is available.
1) Confirm the set is not powered on.
2) Confirm the following settings.
OPEN/CLOSE detect switch (S804) ........ OFF
Solder Land (SL806) ................................ OPEN
[AVLS]
switch (S802) ............................... NORM
[HOLD]
switch (S801) ............................... OFF
[G-PROTECTION]
switch (S803) .............. 1
3) Short the solder land SL807 (TEST) on the MAIN board.
4) Turn on the main power.
2. Operation when the Service Mode is set.
When the Service Mode becomes active, following messages are
displayed onthe remote control LCD.
Remote control LCD display
3. Operations by buttons or Rotary control
in the Service Mode.
The following confirmations can be performed by operating buttons
(on the CD player or the remote control) or Rotary control.
(Operation when a CD is not placed in the CD player)
•
> B
/
.
button (the CD player) or
B >
/
.
Rotary
control (the remote control)
Motion of the optical pick-up (to outside or inside)
Tracking/Sled servo off
Note :
Be sure to keep your eyes apart from the direct emission
of the Laser diode.
Do not move the optical pick-up over outermost or
innermost.
(Operation when a CD is placed in the CD player)
Procedure :
1) Confirm the set is not powered on.
2) Keep short the solder land SL807 (TEST) on the MAIN board.
3) After turning on the power, set a CD in the player.
Then press
X
button (the remote control)
Remote control LCD display
– MAIN Board (Component side) –
SL807
(TEST)
SL806
(OPEN)
S804
(OPEN/CLOSE DETECT)
888
VC077
DDDD
BASS12
Microcomputer
version display
All lit
Service Mode
0000
PLAY mode
