LG 60PY2D, Руководство по обслуживанию

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5-2. In case of does’t display the screen into specific mode
(1) Symptom
Ø
The screen does not become the display from specific input mode
(2) Check following
Ø
Check the all input mode should become normality display.
Ø
Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become
normality display from the PIP mode or DW mode. (Re-Check it Swap)
Check the VPC3230(IC201) if the main picture is abnormal, and
Check the VPX3226(IC301) if the sub picture is abnormal.
(3) In case of becomes unusual display from RF mode
(4) In the case of becomes unusual display from AV mode
Is the Tuner normal?
Is the CXA2069Q
(IC301) normal?
Is the Tuner Cable|
connected correctly?
Connect the Cable correctly.
Yes
No
No
Yes
Is the VPC3230 or
VPX3226 normal?
Replace the Tuner
No
Is the Input voltage, IIC Communication
and CVBS output normal?
Yes
Is the Input voltage, IIC
Communication and HV sync
normal?
No
Replace the IC
No
Is the Input voltage, IIC
Communication and HV sync
normal?
No
Replace the IC
No
Is the CXA2069Q
normal?
Yes
Yes
Is the VPC3230 or
VPX3226 normal?
Is the Scaler normal?
Is the Input voltage, IIC
Communication and HV sync
normal?
No
Replace the IC
No
Is the Input voltage, IIC
Communication and HV sync
normal?
Is the Input voltage, IIC
Communication and HV
sync normal?
No
No
Replace the IC
Replace the IC
No
No