LG RE-44NA14T, RL44NA14T, RE49NA14T, RL49NA14T, RE54NA14T Service Manual

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Trouble Shooting

Q110

Main		IC700 #53			700		100

Main

Q701

IC700

IC262

IC262 #97 ?

IC262 #54 ~ #115 IC262 #54 ~ #115 ?

IC265 IC265 #38,41,46 ?

501

IC501 #30, 32, 34 ?

- 27 -

Component1,2

IC600 113

Q114

TU100

Main1 ICX600

ICX600

IC600				ICX600

ICX600 #8 #13?				Q608, 609

ICX600 #1 #3 ?			ICX600

- 28 -

		Main1								Digital
										IC262
IC700 #1, 8, 15, 22 ?							Q100(E) ?
										#67, 70, 72, 73 ?

Main1			Main1
IC700			IC700

JK600

Digital around P260

IC262 #96

Check Digital Board

IC262

- 29 -

Digital Board

P261 #15 ?

Digital Board IC501

#36, 37, 38, 39

Digital Board

Q07, 08

- 30 -

#45

#9, 10 (Control Assy)

Check IC01 #41

Check P107/108

- 31 -

1, 77, 107 IC262 3.3V ?

16

IC501

of C81D, C82F

IC501

D881

D803, 804

IC832,833

- 32 -

at P101

#8, 9

IC2000

at #7,8,9,10

SPA2, SCL2	Pin 27, 28 of IC2000	at #27,28 of IC2000

- 33 -

MONITOR-CVBS-OUTPUT

IC262

SIF TO

IC700

MSP-34XX

MAIN-CVBS

CVBS-2

CXA-2069

MAIN-Y

IC265

CVBS-4

RF IN

RF IN

TUNER & IF

TV

MAIN-C

CVBS-5

YPbPr

YPbPr

RGB

FOR MAIN

7 INPUT

LGDT

YCbCr

1000B

3 OUTPUT

H/V

TUNER & IF

PIP IN

V1

FOR PIP

IC264

IC501

AV -1

VIDEO & AUDIO(R/L)

VSP-9427B

H/V

H/V

CXA-2180

V2

74LS

ExYCbCr

(EU AV4)

Ident

PIP-CVBS

157

DEFLEC-

BLOCK

S2-2

CVBS-5

Y&C

Y2,C2

TION

AV-2

VIDEO & AUDIO(R/L)

V1

Ident

YPbPr

S2-1

H-SYNC

H/V

-

CVBS-8

1080i)

(1080i)

V-SYNC

DIAGRAM

- 34

AV -3

RGB1 RGB2

VIDEO & AUDIO(R/L)

VIN

V4

(480i/p)

Side AV

Ident

S2-4

YPbPr(480i/p)

RGB&FB

RGB&FB

Y&C

YPbPr(VGA )

Y4,C4

(C/G)

(OSD,Caption )

AV-4

VIDEO & AUDIO(R/L)

V3

Ident

Selected

SCART-1-IN

S2-3

(EU AV1)

AUDIO OUTPUT

ANA-IN (SIF)

DACM-L/R

ICX601

MAIN L/R

LM4765T

To Speaker

IC600

COMP-2 R/L

SCART-2-IN

MSP-3411G

COMP-1 R/L

SCART-3-IN

COMP-1

SCART-2-OUT

MONITOR OUTPUT

YPbPr(480i/p,567i)

IC266

YPbPr(480i/p,1080i)

1080i(option)

CXA -2151

TV-OUTPUT

COMP-2

YPbPr(480i/p,567i)

1080i(option)

4 INPUT

H/V(480i/p,1080i)

Audio is use in common with AV-2

L/R -OUT

PC(VGA)

1 OUTPUT

RGB

IC602

VARIABLE AUDIO OUTPUT

(Option)

H/V

KA4558

- 46 -

205

200

411 410

201

105

201 107

430

300	109

108

153

420

510

690

800 200

600

610

174

301	620

310	121

550 503

	350
	231	530
	340
		570
			590
	120
	304	520
			501
	303	540

330

VIEW EXPLODED

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