LG 32LW5700 Manual page 63

Contents of LCD TV Standard Repair
No. Error symptom
1
2
A. Video error_ No video/Normal audio
3
4
5
A. Video error_ No video/Video lag/stop
6
7
8
A. Video error_Color error
9
10
11
A. Video error_Vertical/Horizontal bar, residual
12
image, light spot
13
14
<Appendix>
Defected Type caused by T-Con/ Inverter/
15
Module
16
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Only for training and service purposes
Process
Content
Check LCD back light with naked eye
LED driver B+ 24V measuring method
Check White Balance value
Power Board voltage measuring method
TUNER input signal strength checking method
LCD-TV Version checking method
LCD TV connection diagram
Tuner Checking Part
Check Link Cable (LVDS) reconnection condition
Adjustment Test pattern - ADJ Key
LCD TV connection diagram
Check Link Cable (LVDS) reconnection condition
Adjustment Test pattern - ADJ Key
Exchange LED driver Board (PSU)
Exchange Module itself (1)
Exchange Module itself (2)
Continue to the next page
Detail Technical Manual
Page
A1
A2
A3
A4
A6
A7
A8
A9
A10-1/2/3
A12
A8
A10
A12
A-1/3
A-2/3
A-3/3
Remarks
A2-1 : LED
A2-2 : ALEF,IOP
A4-1:LED/ A4-2 :ALEF
A4-3 :IOP
A10-1 : LED
A10-2:Full LED
A10-3 : IOP
A10-1 : LED
A10-2:Full LED
A10-3 : IOP
55" : driver board
Other : PSU
LGE Internal Use Only