Sharp LC13-B2E, Руководство по обслуживанию

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15
LC-13B2E
TROUBLE SHOOTING TABLE
(Continued)
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Check all the settings microprocessor's adjust process menu.
Is source GND normal?
Is CSCOM waveform normal?
Check R1212 and its peripheral parts.
Check IC1109, Q1101, Q1102, D1101, R1120, R1130 and their peripheral parts.
Check R1231 and its peripheral parts.
Yes
No No
Becomes dark
No
Time passes, becomes dark
Is gate GND normal?
Is gate clock (GCK) normal?
Check R1223 and gate aray peripheral parts.
Yes
No
Check D1201 and its peripheral parts.
No
Is B-5.5V being outputted?
Is VCC being outputted?
Check T701's sec5V outputs line.
Yes
No
Is GSP waveform normal?
Check R1223 and its peripheral parts.
Yes
No
Becomes white.
Is 3.3V VHS being outputted?
Is source clock normal?
Check +3.3V outputs line of IC752.
Check R1210, R1211 and their peripheral parts.
Check FB1203 and gate aray peripheral parts.
Is output of LBR and HG normal?
Yes Yes
No No No
Vertical line output