Hitachi 43FWX20B, Service Manual

Page: 138 / 164

138
DP23/23G/24
V1 S3
59
17 19
V3 S4
15 10 12
MON
OU
T
41 39 37
V5 S5
22 24 26
Front Control
P
W
B
IV01
2Line Y/C
Separa
to
r
V4
8
U301
Main
Tuner
U302
Sub Tun
e
r
63 60
P
ST1
23 19
SIGN
A
L
PWB
Aux 1 S-Y Au
x
1 S-C
Component 1 Video
Aux 2 S-Y Au
x
2 S-C
Au
x 3 Video
Aux 5 S-Y V3Y Aux 5
S-C V3C
A
ux
5 Video V3V
Au
x 4 Video Mo
nitor Out S-Y
Monitor
Out S-C
Monitor
Out Video
V Out
1
Y In
1
C In 1
V I
n
Y
Out
C O
u
t
V Out
3
C Out 3
Y Out
3
C
Out 2
V/Y
Out 2
C Out 1
Y Out
1
SUB OU
T
IZ0
1
Sub Video
C
hroma
Y2 I
n
C2 In
19
4
Sub Cr
O
u
t
Sub Cb
O
u
t
Sub
Y Out
P
ST1
Q
V09
QX1
6
QX2
8
QX1
5
QX2
7
IZ02
MAIN
Video
/C
h
ro
m
a
Pr
o
cessor
Y2
C2
19
4
Main C
r
O
u
t
Main C
b
O
u
t
Ma
in Y Out
Q
X95
-6db
Chroma Ti
lt
Correctio
n
IW01
3D Y/C
Separat
o
r
V I
n
QW01
83 84 88
QW04
QW02
VID
EO LPF
Y LPF
Y AMP
QW09
XW01
QW10
QW12
C
LPF
C AMP
QW13
XW02
QW14
QW15
QX1
3
QX1
4
MAIN
OU
T
MON
OU
T
IX01
A/V Selec
t
7 5 4
Q
Z10
Q
Z09
Q
Z08
TE
R
MINAL PWB
58 56 51 49 53 47 44
2 7 9
PFT
13 15
4
For PinP
Only
18 18
Q
V10
XV0
1
18
9
Q
V01
Q
V02
Q
V04
Q
V05
Q
V06
Q
V08
XV0
2
3
1
2
Y1
QX2
6
C Out
A
C
O
Y Out A
Y
O
16
C1
Q
Z04
SUB V
ideo/Chroma
Proce
ssor
Y1 I
n
C1 In
16
2
Q
Z05
23 24 22
V3 Y3
C3
V2 Y2
C2
V4 Y4
C4
V6
TV
DP
-23 23G Chassis
Vi
d
eo NTSC
TERM
INAL PWB
23 22 24
Q
Z03
Q
Z02
P
ST2
26 24 23
Q
Z01
See Component
Signal Path
V2
30
Aux 2 Video
(Component Y)
V5
IX02
Y Pr/Pb Select
See Component
Signal Path for
Component
1
Vi
deo 480i Y Cr/Cb
S-3 Det.
7
Pr
S-
1
Pr No Input
for Composite
S-
3
S-4 Det.
S-
2
14
21 28
11
S-
4
S-5 Det.
QX1
2
See
NTSC
Sync Pat
h
PiP Video= Sub Video