Hitachi 43FWX20B, Service Manual

Page: 141 / 164

141
DP23/23G/24
POWER P
W
B
DP-23 2
3G Chassis
Video Component, OSD & NTSC
V2
CO
MP 2 (Cr/Pr)
COMP 2 (Cb/Pb) COMP 2
(Y
)
IX02
Y/Pb/Pr
Se
lector
MAIN Pr-Out 2
MAI
N
Pb-Out
2
MAIN
Y-Out 2
DVI PR DVI PB
DVI Y
(
G
)
5 7 9
53 55 57
IZ
0
1
SU
B
Vi
deo/Chroma
Y Pr/Pb Switch
Q
Z01
Q
Z02
Q
Z03
IZ
0
2
MAIN
Vi
deo/Chroma
Y Pr/Pb Switch
Main Y O
u
t
Q
Z10
Q
Z09
Q
Z08
U303
FC4
UNI
T
3 4 5
17 18 19
Q30
6
Q30
7
Q30
8
18 16 20
Q40
6
Q40
5
Q40
3
Q40
2
Q40
1
34 35 33
9
10
8
4
5
3
I40
1
RG
B
Pr
o
cessor
Pr 1 I
n
Y 1 In
Pb 1
In
Pr 2 I
n
Y 2 In Pb 2
In
Q40
4
Q41
7
Q41
8
Q41
9
I00
1
Micro
-
pr
o
cessor
OSD R OSD B OSD G
OSD R I
n
OSD B I
n
OSD G In
Analog R
In
Analog B
In
Analog G
I
n
42 43 41
R O
u
t
B
Out
G
Out
QK
0
8
QK
0
7
QK
0
6
Q42
0
Q42
1
Q42
2
Digital
Conv.
U
nit
Dig
R Out
Dig
B Out
D
ig G Out
DE
FLECTION PWB
To
CPT
PWBs
SIGNAL P
W
B
PDG
21 22 20
PP
D
1
4 5 2
PPS1
4 5 2
23 22 24
23 22
24
P
ST1
5 7
4
32 34 33
PF
C
1
P
FC2
38 39 37
P
ST2
24 23
26
PET
SUB Pr-Ou
t 1
SUB Pb-O
u
t 1
SUB Y-Out 1
7
5
3
DVI
INPUT
From
DV
I
INPUT
PWB
DVI D
et
64
12
28
30 29
D-Sync
1/Y3/ G In
Cb/Pb B
In
C
r/Pr R In
Q
X22
Q
X23
Q
X24
6
D-Sync 2 In
28
30 29
Q
X21
Q
X20
Q
X19
6
D-Sync 2 In D-Sync
1/Y3/ G In
Cb/Pb B
In
C
r/Pr R In
MAIN
SU
B
Y O
u
t
Pb
Out
Pr Ou
t
UKD
G
Ma
in Cr/Pr Out
Main Cb/Pb
Out
Sub CrP
r
O
u
t
Sub Cb/P
b
O
u
t
Sub Y
O
u
t
RAINFOR
EST IC
2
NTSC MAIN Y
In
4
S-In
MAIN Y
I
n
2
NTSC MAIN Y
In
4
Sub MAIN Y
I
n
TERMINAL P
W
B
SIGNAL P
W
B
See DVI
Input
Signa
l Diagram
44 42 40 50 48 46
V1
CO
MP 1 (Cr/Pr)
COMP 1 (Cb/Pb) COMP 1
(Y
)
59 61 63