LG RE-44NA14T User manual

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-27 -
Trouble Shooting
Q110
Main IC700 #53 700 100
IC700
Main Q701
IC262 #97 ? IC262
IC262 #54 ~ #115 ? IC262 #54 ~ #115
IC265
IC265 #38,41,46 ?
IC501 #30, 32, 34 ? 501

-28 -
Component1,2
IC600 113
Q114 TU100
Main1 ICX600
ICX600
IC600 ICX600
ICX600 #8 #13? Q608, 609
ICX600 #1 #3 ? ICX600

-29 -
Main1
IC700 #1, 8, 15, 22 ? Q100(E) ?
Digital
IC262
#67, 70, 72, 73 ?
Main1
IC700 Main1 IC700
JK600
Digital
IC262 #96 around P260
Check Digital Board
IC262

-30 -
Digital Board
P261 #15 ?
Digital Board
Q07, 08
Digital Board IC501
#36, 37, 38, 39

-31 -
Check IC01 #41
#9, 10 (Control Assy) Check P107/108
#45

-32 -
1, 77, 107
16
IC501 of C81D, C82F
D881
IC501
D803, 804
IC832,833
IC262 3.3V ?

-33 -
at P101
#8, 9 at #7,8,9,10
SPA2, SCL2 Pin 27, 28 of IC2000 at #27,28 of IC2000
IC2000

-34 -
RF IN TUNER & IF
FOR MAIN
TUNER & IF
FOR PIP
RF IN
PIP IN
CXA-2069
7 INPUT
3 OUTPUT
AV-1
AV-2
AV-3
AV-4
VIDEO & AUDIO(R/L) VIDEO & AUDIO(R/L)
VIDEO & AUDIO(R/L)
VIDEO & AUDIO(R/L)
IdentIdent IdentIdent IdentIdent IdentIdent
Side AV
Side AV
Y&CY&C Y&CY&C
CXA-2151
4 INPUT
1 OUTPUT
TV V1
V2 S2-2
Y2,C2
V1 S2-1
V4 S2-4
Y4,C4
V3 S2-3
COMP-1
YPbPr(480i/p,567i) 1080i(option)
COMP-1 R/L
YPbPr(480i/p,567i) 1080i(option)
COMP-2
COMP-2 R/L
RGB
H/V
PC(VGA)
VSP
VSP-
-9427B
9427B
MAIN-CVBS
PIP-CVBS
CXA
CXA-
-2180
2180
YPbPr
Audio is use in common with AV-2
YPbPr(480i/p,1080i)
YPbPr
1080i)
YPbPr(480i/p)
YPbPr(VGA
YPbPr(VGA)
)
H/V 74
74LS
LS
157
157
H/V
(1080i)
H/V
H-SYNC
V-SYNC
SCART-1-IN
SCART-2-IN SCART-3-IN
ANA-IN (SIF)
SIF TO MSP-34XX
L/R -OUT
MONITOR-CVBS-OUTPUT
Selected
AUDIO OUTPUT
H/V(480i/p,1080i)
RGB
H/V
DEFLEC-
TION
CVBS-4
CVBS-5
RGB&FB
(OSD,Caption )
RGB1 RGB2
CVBS-8 VIN
MAIN L/R
MAIN L/R
MONITOR OUTPUT
MONITOR OUTPUT
TV
TV-
-OUTPUT
OUTPUT
VARIABLE AUDIO OUTPUT
VARIABLE AUDIO OUTPUT
SCART-2-OUT
DACM-L/R
MSP-
-3411G
LGDT
LGDT
1000B
1000B
YPbPr
MAIN-C
CVBS-2
MAIN-Y CVBS-5
IC700 IC262
IC265
IC264 IC501
IC266
IC600
(480i/p)
IC602
KA4558
KA4558
ICX601
LM4765T
LM4765T To Speaker
YCbCr
ExYCbCr
RGB&FB
(C/G)
(EU AV4)
(EU AV1)
(Option)
BLOCK DIAGRAM

-46 -
EXPLODED VIEW
501
590
530
520
540
503
570
231
350
310
340
200
205
610
300
201
420
410
430
411
302
320
330
301
600
174
620
810
120
303
304
121
550
153
105
109
800
510
108
107
690
201
200