LG KG270 Service Manual - Page 64
START, Change PCB, R222=2.8V, R222=0.7V, Check component, R222 and Q200, Replace component, Check
View all LG KG270 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 64 highlights
4. TROUBLE SHOOTING Checking Flow START R222=2.8V Check Voltage Level Of R222 YES R222=0.7V Check Voltage Level Of R222 and Q200.PIN2 NO Change PCB Replace component NG NO Check component R222 and Q200 LD200~LD205 R216~R221 YES Check LED component YES NO Replace component Change PCB - 65 -
4. TROUBLE SHOOTING
- 65 -
START
Check Voltage Level
Of R222
NO
Change PCB
YES
YES
R222=2.8V
Check Voltage Level
Of R222 and Q200.PIN2
R222=0.7V
Check component
R222 and Q200
Replace component
NO
NG
Check LED
component
LD200~LD205
R216~R221
NO
Replace component
Change PCB
YES
Checking Flow