8
D-NE270
– MAIN Board (Conductor Side) –
SL824
(TEST)
SECTION 4
TEST MODE
In the test mode, this set can check the microcomputer version
and liquid crystal display.
1) Short SL824 (TEST) on the MAIN board with a solder bridge.
Then, turn on the power.
2) Microcomputer version is displayed on the liquid crystal dis-
play, and the liquid crystal display is all lighted.
3) Turn off the power and open the solder bridge on SL824 (TEST)
on the MAIN board.
Note:
Remove the solders completely. Remaining could be shorted with
the chassis, etc.