LG 60PY3RF-TB (CHASSIS:PP7AA) Service Manual ▷ View online
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Is the LVDS cable
normal?
Is the VSC Board
normal?
Is the IC800' operating
normally?
Is the Ctrl Board of
Module normal?
Is the LVDS cable
connected?
Replace the cable.
Replace the VSC B/D
No
No
Yes
Replace the Ctrl Board
No
Yes
Yes
Yes
No
Re-insert the Cable.
No
Replace FIL8668 IC(IC800).
3. In case of strange screen display in specific modes
3-1. In case of no OSD display
(1) Symptom
1) LED is white.
2) The minute discharge is continuously accomplished from the module.
2) The minute discharge is continuously accomplished from the module.
(2) Procedure check
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3-2. In case there is no display on the screen in specific modes
(1) Symptom
1) There is no screen display from a specific input mode
(RF, AV, Component, RGB, DVI).
(2) Procedure check
1) Check the all input modes have normal display.
2) Check the video(main)/ data(sub), video(main)/ video(sub) have normal
2) Check the video(main)/ data(sub), video(main)/ video(sub) have normal
displays from the PIP mode or Double Window mode(re-check it/ swap).
(3) In case of an unusual display in RF mode
Is the Tuner normal?
No
Yes
Yes
Re-insert the cable
Replace the Tuner
Replace the IC611
Is the Tuner Cable
connected?
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
No
Are the Input voltage,
IIC Communication and CVBS
output normal?
No
No
Is the IC611
normal?
Replace the IC800
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
Is the IC800
normal?
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(5) In case of an unusual display in RF , AV mode
(5) In case of an unusual display in Component, RGB mode
(6) In case of an unusual display in HDMI mode
Yes
Replace the IC1200
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
Is the IC1200
normal?
Replace the IC800
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
Is the IC800
normal?
Replace the IC800
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
Is the IC800
normal?
Yes
Replace the IC611
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
Is the IC611
normal?
Replace the IC800
No
Are the Input voltage,
IIC Communication and HV
sync normal?
No
Is the IC800
normal?
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4. In case of no sound
(1) Symptom
1) LED is White
2) Screen display appears but there is no sound.
2) Screen display appears but there is no sound.
(2) Procedure check
No
No
No
All input(mode)
is no sound?
Is there no sound only
for HDMI?
Is there no sound only
for AV?
Replace the
IC401
Replace the IC401
Replace the IC611
Replace the
VSC B/D
Set speaker on in the menu.
Download the EDID data
Check the Speaker Cable.
No
Is the Speaker on?
No
Is the speaker
cable normal?
cable normal?
No
Is the IC401
operating normally?
No
Is there no sound only
for RF?
Check the Tuner IN/OUT
No
No
No
Replace the IC402
No
No
No
Check the signal after
IC611 refer to circuit diagram
Is the output
52nd&53rd of IC611
normal?
Yes
Yes
Yes
Yes
Yes
Yes
Is the
IC401 operating
normally?
Is the
IC402 operating
normally?
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