Table of Contents
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1. General Features
No.
Symptom
1
No screen
2
Dark screen
2. PC Mode
No.
Symptom
1
Screen noise
2
Screen position error
3
Color beat noise
3. TV and external input
No.
Symptom
1
No sound
- Speaker
- Earphone
2
Video color beat noise
4 . DVD Mode
No.
Symptom
1
When the KEY of DVD is not working:
2
When the LOGO screen can't display:
3
When you can't insert the DVD title:
When you can't see the screen:
4
TROUBLESHOOTING
Cause
Input error of inverter connector
P704 connector
being slipped out
Cracked components and
soldering at tuner board
1) Defective LCD lamp
2) Defective inverter
3) Input error of inverter connector
Cause
Clock or phase being
not able to be adjusted.
Screen position error
horizontally or vertically
Soldering D-SUB Jack of JA202
and IC202.
Cause
Defective Reset IC of IC604.
Defective MSP3411 of IC601.
Defective B+(8V,5V) of IC603.
Earphone shield case being touched.
Soldering IC301 and IC510.
Check Point
1) Bend the pin legs of P1 connector -> recheck them
2) Check and repair F804.
1) Check and fix P704 connector
2) Check and fix the components at P704 LCD module
and at main board.
3) Check Pin21.
Check and repair tuner board and main board
1) Replace the inverter
2) Replace the LCD lamp
2) Check the connector input.
Check Point
1) Resettig is needed according to the video card of each
PC.
2) Horizontal noise : adjust phase until no horizontal
noise occurres.
3) Vertical noise : adjust clock in menu until no vertical
noise occurres.
1) Play the Auto Configure in Menu.
2) Adjust horizontal and vertical position until the screen
displayes normally.
Recheck adn repair JA202,IC202
Check Point
1) Check volume and speaker.
- Sound comes out only when being inputted into Audio
L/R.
2) Check after replacing IC604.
3) Replace IC601.
4) Check and replace B+ of IC603.
Check the mould of shield and SJ209, Replace shield case.
Re-soldering
Check Point
1)Check the P801.
2)Check the 28PFFC cable.
3)Check the 8P power cable.
If you can't operate it after check the above status,
replace the DVD DECK.
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