Eiki LC-NB3E Projector User Manual


 
-38-
Troubleshooting
DGB0-9
3
1
5
22
8
16
18
20
IC5241
AV/PC-RGB-SW
AV/PC
PC: H
AV: L
IC5271
IC5281
IC5291
2
13
12
1
10 11
14
15
ANALOG
RGB
H-SYNC
V-SYNC
IC5211
RGB-AMP.
IC6211
IC6221
IC6241
SYNC DET.
1
5
12
8
IC6251
INVERTER
IC6101
INVERTER
2
3
5
11
13
2
5
7
15
12
10
IC5251
AV/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
H
V
IC4101
RGB
MATRIX
AV/PC
66
55 56
65
29
28
69
68
67
73 74 75
HS_OUT
VS_OUT
HD_HSYNC
HD_VSYNC
AV_HSYNC
AV_VSYNC
IC1101
VIDEO
DECODER
9
13 14
4
21
22
23
43
44
17
18
19
75
S_SW
Y/C
Cr_SW
TP11SC
TP11SY
TP11PR
TP11PB
TP11CV
Cb_SW
IC2101
DIGITAL
COMB
FILTER
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
AV-RGB
IC2161
D/A
IC2181
I/O
BLANK_SW
AV/PC
SYNC_SW
BLKC_DC
C_SWIN
S_SW
7
8
IC1401
DIGITAL
BRIGHTER
CONTROL
DB0-9
DG0-9
DR0-9
DGB0-9
DGA0-9
DRA0-9
5,4 9,1
TPDHS
TPDVS
TPCLK
DCLK
TURBO_1
DBB0-9
DRB0-9
VIDEO/Y
Pb/Cb
Pr/Cr
IC1581
D/A
IC2571
D/A
TP25G1
TP25B1
TP25R1
IC3551
NRS
3
6
IC3581
NRS
3
7
NRS
VCOM
RGT
DWN
B-LCD
PANEL
G-LCD
PANEL
R-LCD
PANEL
4,5,6
8
9,18,19
7
13
11
12
IC531
S&H_G
IC401
DIGITAL
COLOR
UNIFORMITY
CORRECTION
TIMING
CONTROL
6,7 13
IC501
S&H_B
SCL2_5
SDA2_5
IC801
SUB
CPU
79,78
IC561
S&H_R
IC3531
G_LEVEL
SHIFT
IC3561
R/B_LEVEL
SHIFT
22
22
IC301
SCAN
CONVERTER
SYSTEM
CONTROL
323
244
240
133
34
12
10
R
G
B
R
G
B
IC6171
AFC
DET
13
1
16 17
2
13
11
1
5
4
8
12
10
DHS/DVS
TP3551
TP3581
14
|
19
5
|
7
12
13
2
3
2
3
S-VIDEO
15
2
3
AV BOARD MAIN BOARD
K25BB
K25GG
K25RR
K3T
K10T
K3U
K10U
3
7
11
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
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
Video Signal processing diagrams