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
1NO. 23
******
2POWER : 000
3BUS LINE : OK
4BUS CONT : OK
5BLOCK : UV V1 V2
or QV01 QV01S
SYNC
GENERAL ADJUSTMENTS
1 Part number of microprocessor (QA01)
2 Operation number of protection circuit (current limiter) . . . . O000� is normal.
3 BUS line checkOOK� ................... Normal
OSCL-GND� ........ SCL-GND short circuit
OSDA-GND� ........ SDA-GND short circuit
OSCL-SDA� ......... SCL-SDA short circuit
4 BUS line ACK (acknowledge) check
OOK� ..................... Normal
Display of Location Number . . . . NG
SPECIFIC INFORMATIONS(Display example)
OQA02 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.)
5 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
