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SERVICE GUIDE
GL-1700X METALLIC EU 220V
17" TFT LCD Monitor
CONTENT
1. Overview -----------------------------------------------------------------page 2
2. Problems Descriptions & Solutions of the problems-------------page 3
3. Disassemble & Assemble-----------------------------------------------page 4
4. Tools------------------------------------------------------------------------page 10
5. Test--------------------------------------------------------------------------page 11
6. Parts List------------------------------------------------------------------page 12
Page 1
1. Overview
Page 2
Verify problems & Proceeding
necessary tests
Analyzing possible
malfunction causes
Deciding & proceeding the
rectification methods
Receiving Defective
Monitor
From Customer
Replacing necessary defective
parts
Return the speaker with proper repacking
to customer
Test the speaker if it
works normally
Function NG
2. Problems Descriptions & Solutions of the problems
No power
Make sure input the right voltage, and check the AC-DC adapter (DC12V 4.2A)
No display
Check the D-sub cable, and make sure connected tightly to both sides.
Try to change inverter & A/D board to see the result (not recommended)
Waves & noise
Check VGA card, the waves and noise might be from VGA card.
Try to change inverter & A/D board to see the result (not recommended)
Wrong colors
Check VGA card, make sure VGA card is not defective.
Try to change A/D board to see the result (not recommended)
Page 3
3. Disassemble & Assemble
Instructions of replacing Inverter & A/D board
Using a screwdriver to loose the 4 screws
After taking off the 4 screws, you can take up the plastic cover
Page 4
You will see the metal cover, please remove the 6 screws, then you will see the Inverter
& A/D board.
If you want to change the Inverter, please take off the 3 screws and disconnected the
cables
Page 5
When you replace a new inverter, make sure connect cables in a right way.
Page 6
If you want to change the A/D board, please take off the 4 screws and disconnected the
cables
When you replace a new A/D board, make sure connect cables in a right way.
Page 7
Page 8
Page 9
4. Tools
Screw drivers, static electricity wreath and gloves
Page 10
5
Test
After repairing and changingrecommend using video pattern generator (ex.Chroma
2316/2326) or display for testing software (ex.Nokia Monitor Test ) to test ,be sure the display's
function is normal.
Connect the LCD Monitor with power cordvideo lineCHROMA signal transmission
line.
Set the test pattern of CHROMA 2316/2326 into: 1. Timing orderly set into 123
456.
Examine 6 test picture ( refer to below 1~6 pictures orderly):
1 4
2 5
3 6
(1) Whether the picture around is evenly full frame ( biased picture NG )
(2) Whether the picture image is tremble ( display unusual NG )
(3) Whether the picture image is glittering ( display unusual NG )
Page 11
(4) Whether the picture color is clear ( the redgreenblue color display unusual
NG )
(5) Whether the picture is disturbed by hetero-color. ( Panel is bad NG )
Any bad condition of the above-mentioned is displayed, press the AUTO key once, after
auto regulating of the function, if it is still unable to be normal, just belong to bad one.
6
Parts List
ITEM NO. DESCRIPTION
2080002101 17” A/D Board
2080003101 Inverter (4 lamps)
15160050101 17” Panel Cable B 100mm D type
15160050102 17” Panel Cable A 260mm D type
15100039101 17” Front Frame (silver painting)
10180038100 12V 4.2V 2.5mm ADAPTOR
Page 12
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