LCD TV SERVICE MANUAL - Jordans Manuals
LCD TV SERVICE MANUAL - Jordans Manuals
LCD TV SERVICE MANUAL - Jordans Manuals
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Standard Repair Process<br />
<strong>LCD</strong> <strong>TV</strong><br />
Error<br />
symptom<br />
D. General Function Problem<br />
Remote control & Local switch checking<br />
Established<br />
date<br />
Revised date<br />
2008. 3 .26<br />
Electronics 6-3<br />
10/13<br />
1. Remote control(R/C) operating error<br />
Replace<br />
Main B/D<br />
Check R/C itself<br />
Operation<br />
Normal<br />
operating?<br />
N<br />
Y<br />
Check & Repair<br />
Cable connection<br />
Connector solder<br />
Normal<br />
operating?<br />
Y<br />
N<br />
Check B+ 5V<br />
On Main B/D<br />
Normal<br />
Voltage?<br />
N<br />
Y<br />
Check IR<br />
Output signal<br />
Normal<br />
Signal?<br />
N<br />
Y<br />
Check R/C Operating<br />
When turn off light<br />
in room<br />
If R/C operate,<br />
Explain the customer<br />
cause is interference<br />
from light in room.<br />
Check & Replace<br />
Baterry of R/C<br />
Normal<br />
operating?<br />
N<br />
Close<br />
Close<br />
Check 5v on Power B/D<br />
Replace Power B/D or<br />
Replace Main B/D<br />
(Power B/D don’t have problem)<br />
Repair/Replace<br />
IR B/D<br />
Replace R/C<br />
2. Local(Mechanical) switch operating error<br />
Replace<br />
Main B/D<br />
Check R/C<br />
Operation<br />
Normal<br />
operating?<br />
Y<br />
Check & Repair<br />
Cable connection<br />
Connector solder<br />
Normal<br />
operating?<br />
N<br />
Check & Replace<br />
Assembly status<br />
(Key PCB + tool )<br />
Normal N<br />
operating?<br />
Check Key<br />
Output signal<br />
Normal<br />
Signal?<br />
Y<br />
N<br />
Y<br />
Y<br />
N<br />
Move<br />
Power problem<br />
Section<br />
Close<br />
Close<br />
Repair/Replace<br />
Local switch B/D<br />
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Only for training and service purposes<br />
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