PG-A10X (serv.man11). Trouble shooting table - Sharp Projector Service Manual (repair manual). Page 5

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35
PG-A10X
PG-A10X-SL
AN-A10T
YES
YES
NO
YES
YES
NO
YES
YES
NO
Checking the RGB signal
Are their RIN2-RIN9, 
GIN2-GIN9, BIN2-BIN9 
signals inputted into 
IC2601 ?
Check IC8003 and its 
peripheral circuits.
Are the RGB signals 
outputted from
pin (9), (7), (4) of IC3104? 
gradation signals?
Check IC3104 and its 
peripheral circuits.
NO
Are their signals inputted 
into pins(51)-(55) (58)-(62) 
of IC1101, IC1102,IC1201, 
IC1202, IC1301, IC1302?
Check IC2601 and its 
peripheral circuits.
NO
Are the signals inputted 
into the pins (31) of
SC1101, SC1201 and 
SC1301?
Check IC1103, and its 
peripheral circuits.
Are the signals inputted 
into the pins (1) of
SC1101, SC1201 and 
SC1301?
Check IC1101, IC1201, 
IC1301, and  their 
peripheral circuits.
NO
Check the connection 
of LCD panels.
And when video signal and 
OSD are also not 
disaplaied, replace the 
LCD panels .
Are their signals inputted 
into pins (3)-(14) of 
SC1101, SC1201 and 
SC1301?
Check IC1101, IC1102, 
IC1201, IC1202, IC1301, 
IC1302 and their peripheral 
circuits.
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