LG 47LM6700 Service Manual page 49

Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom
1
2
A. Video error_ No video/Normal audio
3
4
6
A. Video error_ No video/Video lag/stop
7
9
10
A. Video error_Color error
11
12
13
A. Video error_Vertical/Horizontal bar,
14
residual image, light spot
15
16
17
<Appendix>
Defected Type caused by T-Con/ Inverter/
18
Module
19
20
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Only for training and service purposes
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 T-Con Board (1)
Exchange T-Con Board (2)
Exchange LED driver Board (PSU)
Exchange Module itself (1)
Exchange Module itself (2)
Page Remarks
A1
A2
A3
A4
A6
A7
A8
A9
A10 A10 : 32/37/42/47/55
A11 A11 : 32 AUO
A12
A8
A10 A10 : 32/37/42/47/55
A11 A11 : 32 AUO
A12
A-1/5
A-2/5
55" : driver board
A-3/5
Other : PSU
A-4/5
A-5/5
LGE Internal Use Only