Key Backlight Trouble - LG KG270 Service Manual

4. TROUBLE SHOOTING

4.8. Key backlight Trouble

TEST POINT
D203 D200
Q200.PIN3
R204
D20 4
D201
R203
Q200.PIN2
D205
D202
CIRCUIT DIAGRAM
VBAT
KEY BACKLIGHT
(10V,K,X5R) (10V,K,X5R)
R222 1K
2SC5585
KEY_BACKLIGHT
Q200
R223
10K
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