LG Electronics 32LS679C-ZC Contents of LCD TV Standard Repair Process Detail Technical Manual

Contents of LCD TV Standard Repair Process Detail Technical Manual

No.	Error symptom	Content	Page	Remarks
1		Check LCD back light with naked eye	A1
2	A. Video error_ No video/Normal	LED driver B+ 24V measuring method	A2
3	audio	Check White Balance value	A3
4		Power Board voltage measuring method	A4
6	A. Video error_ No video/Video	TUNER input signal strength checking method	A5
7	lag/stop	LCD-TV Version checking method	A6
9		LCD TV connection diagram	A7
10	A. Video error_Color error	Check Link Cable (LVDS) reconnection	A8
		condition	A9
11		Adjustment Test pattern - ADJ Key	A10
12		LCD TV connection diagram	A8
13	A. Video error_Vertical/Horizontal bar,	Check Link Cable (LVDS) reconnection	A8
	residual image, light spot	condition	A9
14		Adjustment Test pattern - ADJ Key	A10
15		Exchange T-Con Board (1)	A-1/5
16		Exchange T-Con Board (2)	A-2/5
	<Appendix>
17		Exchange LED driver Board (PSU)	A-3/5	55” : driver board
	Defected Type caused by T-Con/
				Other : PSU
	Inverter/ Module
18		Exchange Module itself (1)	A-4/5
19		Exchange Module itself (2)	A-5/5

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