Sony D-EJ2000 Service Manual page 4

D-EJ2000
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 (SL805) ................................ OPEN
[AVLS] switch (S802) ............................... NORM
[HOLD] switch (S801) ............................... OFF
[G-PROTECTION] switch (S803) .............. 1
3) Short the solder land SL806 (TEST) on the MAIN board.
4) Turn on the main power.
– MAIN Board (Component side) –
SL806
(TEST)
4
SL805
(OPEN)
S804
(OPEN/CLOSE)
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
Microcomputer
version display
888
All lit
Service Mode
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)
• > / . button (the CD player) or > / . 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 SL806 (TEST) on the MAIN board.
3) After turning on the power, set a CD in the player.
Then press u /ENT button (the remote control)
Remote control LCD display
0000
VB100
8
V-SUR
DDDD
PLAY mode