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8. SELF DIAGNOSTIC FUNCTION
1) Press "9" button on Remote Control during display of adjustment menu in the service mode.
The diagnosis will begin to check if interface among IC's are executed properly.
2) During diagnosis, the following displays are shown.
SELF CHECK
NO. 23 * * * * * *
POWER
: 000
BUS LINE : OK
BUS CONT : OK
BLOCK
: MAIN SUB
SET ID
: FF
EEP VER : FF
OPT1 : 02
OPT2 : A4
DVI
NO 23009621
ERR CODE : 030000
Part number of microprocessor (QA01)
Operation number of protection circuit (current limiter) . . . . "000" is normal.
BUS line check
"OK" ................... Normal
"SCL-GND" or "NG" .......... SCL-GND short circuit
"SDA-GND" or "NG" .......... SDA-GND short circuit
"SCL-SDA" or "NG" ........... SCL-SDA short circuit
BUS line ACK (acknowledge) check
"OK" ..................... Normal
Display of Location Number . . . . NG
(Display example)
"QA02 NG", "H001 NG", "Q501 NG" etc.
Note: The indication of failure place is only one place though failure places are plural. When
Sync. signal check
Green display ..... Normal
Cyan display ...... No check
Red display ........ NG
ID code for TV set
Version of "EEP"
Data for "OPT"
repair of a failure place finishes, the next failure place is indicated. (The order of priority of
indication is left side.)
MAIN ....... Main sync
SUB ........ Sub sync (when turn on the PIP)
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