Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
- 20 -
2-3-2. In the case of doesn't work normally at specific input mode
(1) Symptom
- The screen doesn't work normally at specific input mode (RF, AV, Component, RGB,
HDMI)
(2) Check follow
1) Check the all input model if all input display normally.
2) Check the PIP and Double Window if it display normally.(Re-Check it Swap)
(3) In case of unusual situation from RF mode
Is the Tuner normal?
No
Yes
Yes
Cable inserts well.
Replace Tuner.
Replace IC300.
No
No
No
No
No
Is the IC300
normal?
Replace IC800.
No
No
Is the IC800
normal?
Is the Tuner Cable
connected well?
Is normal
the Input voltage, IIC
Communication and
CVBS output?
Is the
Input voltage, IIC
Communication and HV
sync normal?
Is the
Input voltage, IIC
Communication and HV
sync normal?
Yes
Replace IC300.
No
No
Is the IC300
normal?
Replace IC800.
No
No
Is the IC800
normal?
Is the
Input voltage, IIC
Communication and HV
sync normal?
Is the
Input voltage, IIC
Communication and HV
sync normal?
(4) When set doesn’t display normally at RF , AV mode
Содержание 37HIZ22
Страница 45: ...Jul 2007 Printed in Korea P NO MFL36483001 ...
