LG 32LB3RS, Manual

Page: 19 / 37

- 19 -
2-3. In case of occur strange screen into specific model
(1) In case of doesn’t display the OSD
1) Symptom
- LED is White.
- The minute discharge work continuously
2) Check following
1. Cable insert well.
Yes
Yes
No
1. Replace FIL8668/8662 IC(IC800).
No
1. Replace VSC B/D.
1. Replace cable.
1. Replace LCD module.
Is the LVDS
cable normal?
Is the LVDS cable
connected well?
Yes
No
No
Is the VSC
Board normal?
Is the LCD
module normal?
No
Is IC800’s
operation
normal?
Yes
(2) In case of doen’t work normally at specific input mode.
1) Symptom
-> The screen doen’t work normally at specific input mode.
(RF, AV, Component, RGB, HDMI)
2) Check following
- Check the all input mode of all input display normally.
- Check the PIP and Double Window if it display normally.(Re-Check it Swap)
3) In case of unusual situation from RF mode
1. Cable insert well.
Yes
Yes
No
1. Replace Tuner.
No
1. Replace the IC611.
1. Replace the IC800.
Is the Tuner
cable normal?
Is the Tuner cable
connected well?
Is the
input voltage, IIC
communication and CVBS
output normal?
Is the
input voltage, IIC
communication and HV
sync normal?
Is the
input voltage, IIC
communication and HV
sync normal?
Yes
No
No
No
Is the IC611
normal?
Is the IC800
normal?
Yes
Yes