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.
SELF CHECK
NO. 23 * * * * * *
POWER : 000
BUS LINE : OK
BUS CONT : OK
BLOCK : UV V1 V2
or QV01 QV01S
SYNC
GENERAL ADJUSTMENTS
Part number of microprocessor (QA01)
Operation number of protection circuit (current limiter) . . . . O000� is normal.
BUS line checkOOK� ................... Normal
ONG� ................... SCL-GND
or SAD-GND short circuit
BUS line ACK (acknowledge) check
OOK� ..................... Normal
Display of Location Number . . . . NG
(Display example)
SPECIFIC INFORMATIONSOQA02 NG�, OH001 NG�, OQ501 NG� etc.
Note: The indication of failure place is only one place though failure places are plural. When
repair of a failure place finishes, the next failure place is indicated. (The order of priority of
indication is left side.)
Sync. signal checkGreen display..... Normal
Cyan display ...... No check
Red display ........ NG
UV ........... TV mode
V1............ VIDEO 1 mode
V2............ VIDEO 2 mode
The item marked with are not usable to display in the SELF DIAGNOSTIC FUNCTION for some model.
*
� 10 � |
ACEC
