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LG KG270 Service Manual page 64

Service manual
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Checking Flow
R222=2.8V
R222=0.7V
LD200~LD205
R216~R221
START
Check Voltage Level
Of R222
YES
Check Voltage Level
Of R222 and Q200.PIN2
YES
Check LED
component
YES
Change PCB
- 65 -
4. TROUBLE SHOOTING
NO
Change PCB
Replace component
NO
Check component
R222 and Q200
NO
Replace component
NG

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Mg160

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