Hitachi 46W500 Training page 39

SIGNAL PWB
U301 Main Tuner 18
U302 Sub Tuner
18
7
UD2002
Digital Module
5
Front Control PWB
Aux 5 Video V3V
V5
Aux 5 S-Y V3Y
S5
Aux 5 S-C V3C
S-5 Det.
See Component Signal Path for
Component 1 Y Pr/Pb and 480i Y Cr/Cb
IV04
V1
9
Y Pr/Pb Select
Component 1 Y
Aux 2 Video
V2
No Pr Plug = Composite
Pr
Aux 3 Video
V3
Aux 3 S-Y
S3
Aux 3 S-C
S-3 Det.
Aux 4 Video
V4
Aux 4 S-Y
S4
Aux 4 S-C
S-4 Det.
Monitor Out Video
MON
Monitor Out S-Y
OUT
Monitor Out S-C
Must be S-In for S-Out
DP-3X CHASSIS VIDEO SIGNAL PATH - NTSC
SEE DVI and DVD SIGNAL PATH DIAGRAM for DVI and DVD FLOW
PST1
50 63 TV V Out 1
45 60 V6
Y In 1
DM Y
31 3 Y1
C In 1
32 5
C1
DM C
PFT
Y Out 1
SUB OUT
2 22
V4
C Out 1
7 24
Y4
9 26
C4
11 28
S-4
IV01
A/V Select
30 V5
MAIN
OUT
7
S-1
V/Y
15 V3 Out 2
17
Y3
C
19 C3
Out 2
21
S-3
8
V2
10
Y2
12
C2
14
S-2
41 V Out 3
MON
39 Y Out 3
OUT
37
C Out 3
QV23 QV24
53
QV28 QV26
49 3 XV01 2
XV02 2
51 3
QV32 QV30
QV19
QV20
56
QV21 QV22
58
QV18
See Micro.
Sync Path
QV13
See Micro.
Sync Path
QV14
44
QV16 QV17
47
VIDEO LPF
QY01
QY17
Chroma Tilt
QY12
Correction
QY16
C AMP
QY15
TERMINAL PWB
4
V In
IV02
QV25
2Line Y/C
Y Out
15
Separator
13 C Out
QV29
Sub Video/Chroma
IY03 Sub
4
Y2 In
Sub Cr Out
22
19 C2 In
Sub Cb Out
23
2 Y1 In
Sub Y Out 24
16 C1 In
QY29
QY28
QY30
Main Y
4 Y2
2 Y1
19 C2
16 C1
QY02 QY04
93 V In
Y AMP Y LPF
QY09
QY10 XY01
89
Y Out AYO
C LPF
QY13
QY14 XY02
88 C Out ACO
TERMINAL PWB
For PinP Only
Processor
PST2
QY24
26
QY23
27
QY22
29
37
38
40
-6db
IY04
MAIN
Video/Chroma
Processor
Main Cr Out 22
Main Cb Out 23
Main Y Out 24
IY01
3D Y/C
Separator