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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>
1
23 * * * * * *
2
POWER
: 000
3
SYNC
: OK
<SELF CHECK>
V/C/D
R0:01111001
R1:10110000
R2:01000000
R3:10010001
1 Part number of microprocessor (Q100)
2 Operation number of protecting circuit ----"00" is normal.
3 RF signal center frequency is locked.
Read Data
D7
R0
POR
IF LOCK
R1
V LOCK
R2
V FREQ
R3
CIN DC
press "9" button
D5
D4
D6
AFT WINDOW AFT CENTER
HOUT
VOUT
RGB OUT
STDM
R CUTOFF DATA
NOISE DET
IF LEVEL
D3
D2
H LOCK
COLOR SYSTEM
G DRIVE DATA
G CUTOFF DATA
PIF VCO error
ADJ TIME
det
– 8 –
D1
D0
B DRIVE DATA
B CUTOFF DATA
SYNC DET
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