Toshiba 32AF43 Service Manual page 8

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 : 01
EEP VER : 02
OPT1 : 05 OPT2 : 70
Part number of microprocessor (QA01)
Operation number of protection circuit (current limiter) . . . . "000" is normal.
BUS line check
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
: 01 ← SET ID
SET ID
: 02 ← E2P version
EEP VER
OPT1 : 05 OPT2 : 70 ← OPT DATA
* The item marked with
"OK" ................... Normal
"NG" ................... SCL-GND
or SAD-GND short circuit
repair of a failure place finishes, the next failure place is indicated. (The order of priority of
indication is left side.)
Green display ..... Normal
Cyan display ...... No check
Red display ........ NG
are not usable to display in the SELF DIAGNOSTIC FUNCTION for some model.
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