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Part 4: Troubleshooting
4-6
DGB0-9
3
1
5
22
8
16
18
20
IC5241
AV/PC-RGB-SW
A
V/PC
PC
: H
AV
:
L
IC5271
IC5281
IC5291
2
13
12
1
10 11
14
15
IC8001
DV
I
I/F
DV
I
DIGIT
AL/ANALOG
ANALOG
RGB
H-SYNC
V
-SYNC
IC6241
SYNC DET
.
IC6201
SYNC SW
1
5
12
8
IC6251
INVER
TER
IC6101
INVER
TER
2
11
6
3
9
8
16
5
3
5
11
13
IC5251 A
V/PC
SYNC-SW
5
2
6
3
IC6271 BUFFER
HAFC
IC251
TP52R
TP52B
TP52G
TP201R
TP201B
TP201G
TP205
HSYNC
IC201 A/D
22
40
7
15
TP62H
TP62V
GB00-7
GBE0-7
GG00-7
GGE0-7
GR00-7
GRE0-7
HS
VS
48
|
46
10
|
77
D_BE0-7
D_B00-7
D_GE0-7
D_G00-7
D_RE0-7
D_R00-7
IC8081 BUFFER
2
4
6
16
18
GHS
GVS
80
|
90
PX+-, CLK, D
AT
A
H
V
IC4101 RGB MA
TRIX
A
V/PC
66
55 56
65
29
28
69
68
67
73
74
75
HS_OUT
VS_OUT
HD_HSYNC
HD_VSYNC
A
V_HSYNC
A
V_VSYNC
IC1101 VIDEO
DECODER
9
13 14
4
21
22
23
43
44
17
18
19
7
5
S_SW
Y/C
Cr_SW
TP11SC
TP11SY
TP11PR
TP11PB
TP11CV
Cb_SW
IC2101 DIGIT
AL
COMB FIL
TER
9
7
2
IC5161
C_SWIN
2
5
12
1
3
13
15
14
9,10
4
39
37
35
IC3101
BLANKING
IC3121
IC2131
IC3141
VIDEO_RGB
IC2161
D/A
IC2181
I/O
BLANK_SW
A
V/PC
SYNC_SW
BLKC_DC
C_SWIN
S_SW
7
8
IC1401
DIGIT
AL
BRIGHTER
CONTR
OL
DB0-9
DG0-9
DR0-9
DGB0-9
DGA0-9
DRA0-9
5,4
9,1
TPDHS
TPD
VS
TPCLK
DCLK
TURBO_1
DBB0-9
DRB0-9
VIDEO/Y
Pb/Cb
Pr/Cr
IC1581
D/A
IC2571
D/A
TP25G1
TP25G2
TP25B1
TP25B2
TP25R1
TP25R2
IC3551 NRS
3
6
IC3581 NRS
3
7
NRS
VCOM
RGT
DW
N
B-LCD PANEL
G-LCD PANEL
R-LCD PANEL
4,5,6
8
9,18,19
7
13
11
12
IC531
IC1531
S&H_G
IC401
DIGIT
AL
COLOR
UNIFORMITY
CORRECTION
TIMING
CONTR
OL
6,7
13
IC501
IC1501
S&H_B
SCL2_5
SD
A2_5
IC801 SUB CPU
79,78
IC561
IC1561
S&H_R
IC3531
G_LEVEL
SHIFT
IC3561
R_LEVEL
SHIFT
22
22
IC301 SCAN
CONVER
TER
SYSTEM CONTR
OL
323
244
240
133
34
133
34
12
10
22
1
16
18
20
IC5211
CG1/CG2 RGB-SW
CG1/CG2
CG1/CG2
5
3
8
12
10
R
G
B
R
G
B
IC6171 AFC
DET
16
1
21 22
2
13 11
1
5
4
8
12
10
DHS/D
VS
TP3551
TP3581
14
|
19
5
|
7
12
13
2
3
2
3
S-VIDEO
15
2
3
D
VI BO
ARD
A
V
BO
ARD
MAIN BO
ARD
K25B
K25G
K25R
K3V
K10V
K3W
K10W
K3T
K10T
K3U
K10U
9
|
40
3
|
6
3
|
12
15
16
39
41
51
52
49
50
45
46
35
36
33
34
19
20
R
H
H
Y/C
Y
Y
C
V
V
Pr
Cr
Cb
Cr
Pb
Cb
Y
CV/Y
CV
H
V
G
B
R
R
G
G
B
R
G
B
B
PC
: H
AV
:
L
PC
: H
AV
:
L
S-In:
H
Component-In:
H
VSYNC
HSYNC
ANALOG SYNC
ANALOG RGB
Fig. 4-2 Video Signal processing diagrams
Содержание LV-7355J
Страница 9: ...Part 1 General Information ...
Страница 22: ...Part 2 Repair Information ...
Страница 43: ...Part 3 Adjustment ...
Страница 65: ...Part 4 Troubleshooting ...
Страница 82: ...Part 4 Troubleshooting 4 17 BA7078AF Selector IC6241 CXA2101AQ RGB Matrix IC4101 ...
Страница 83: ...Part 4 Troubleshooting 4 18 CXD2064Q Digital Comb Filter IC2101 L3E01031 Level Shift IC3501 IC3531 IC3561 ...
Страница 85: ...Part 4 Troubleshooting 4 20 ML60851 USB I F IC9801 M62393 D A IC2571 ...
Страница 86: ...Part 4 Troubleshooting 4 21 TB1274AF Video Decoder IC1101 TA1318N AFC Detector IC6171 ...
Страница 87: ...Part 4 Troubleshooting 4 22 FA7612CA PWC Controller IC65A IC671 IC681 STR Z2156 Switching Controller IC631 ...
Страница 88: ...Part 5 Parts Catalog ...
Страница 89: ......
Страница 107: ...Part 6 Electrical Diagrams ...
Страница 117: ......