8. SELF DIAGNOSTIC FUNCTION
1) Press O9� button on Remote Control during display of adjustment menu in the service mode.
The diagnosis will begin to check if interface among ICOs are executed properly.
2) During diagnosis, the following displays are shown.
Indicated color of mode now selected : Green and Red
Indicated color of other modes: White
<SELF CHECK>
23******Green :Normal
TIME
Red : The microcomputer operates to provide judgement
POWER : 00
of no video signal. The red color is still indicated
BUS CONT : OK
though the signal is input, failure may exist in input
BLOCK : UV V1 V2 V3 V4
signal line including QV01.
V5
QV01 : In case of indication green ---Normal
In case of indication red with input signal----
GENERAL ADJUSTMENTSFailure may exist in output line including QV01.
Part number of microcomputer (QA01)
Operation number of protecting circuit ----O00� is nor-
mal.
When indication is other than O00�, overcurrent apts to
flow, and circuit parts may possibly be damaged.
BUS CONT ----OOK� is normal.
When indication shows OQ uuu NG�, the device with
the number may possibly be damaged.
BLOCK
UV : TV reception mode
V1 : VIDEO 1 input mode (a1)
V2 : VIDEO 2 input mode (a2)
SPECIFIC INFORMATIONS
V3 : VIDEO 3 input mode (a3)
V4 : VIDEO 4 input mode (a4)
V5 : VIDEO 5 input mode (a5)
The items marked with are not usable to display in the SELF DIAGNOSTIC FUCTION for some model.
*
� 8 � |
ACEC
TOSHIBA
