Video And Power Amp Block Diagram - Pioneer VSX-45TX Service Manual

1

3.3 VIDEO AND POWER AMP BLOCK DIAGRAM

A
JA1001
Y
(DVD/LD)
P
B
IN
P
R
Y
(TV/SAT)
P
B
IN
P
R
JA1002
B
C
VIDEO
S VIDEO
CN901
D
(15P)
OSD
13
OSDON
12
FV
5
FV-C
7
FV-Y
6
JA901
(1/2)
VIDEO
VCR1/
DVR
S VIDEO
JA902
E (1/2)
VIDEO
VCR2
S VIDEO
JA903
IN
(1/2)
VIDEO
DVD/
LD
S VIDEO
VIDEO
TV/
F SAT
S VIDEO
20
1
2
IC1002 (1/2)
TK15450M
13
3
14 Y Amp.
1
12
2
IC1003 (2/2)
TK15450M
1
5
15 Cb Amp.
7
2
6
IC1003 (1/2)
3 TK15450M
3
4
Cr Amp.
1
5
2
IC101
TC74HC4053AF
Selector
CN2405
(15P)
OSD
3
OSDON
4
FV-Y
10
FV-C
9
FV
11
D
S
FRONT IN
ASSY
JA1501
FV
5 3
FV-C
6 2
FV-Y
7 1
CN1501 CN3005
(7P) (7P)
IC901
NJM2296M
Composite
Selector
IN1
13
IN2
OUT1
9 1
IN3
OUT2
7
15
IN4 OUT3
5 11
IN5
3
IC931
NJM2296M
Y Selector
IN1
13
IN2 OUT1
9 1
IN3
OUT2
7 15
IN4 OUT3
5
11
IN5
3
IN1
14
IN2 OUT1
16 10
IN3 OUT2
19 8
IN4 OUT3
1 5
IN5
22
IC932
NJM2596M
C Selector
VSX-45TX
2
3
I
COMPONENT ASSY
VSX-45TX
ONLY
W
REGULATOR ASSY
CN2412
4 6 5
(9P)
CN3
4 6 5
(9P)
DISPLAY
ASSY
FV
12 12
FV-C
14 14
FV-Y
13 13
MAIN CONTROL
CN3006 CN501
K
(32P) (32P)
ASSY
IC902
NJM2279M
IN1
12 Multi-Room
Selector
IN2
3
10
IN3
1
IC933
BU4053BCF
OSD Selector
12
14
OSD
13
5
4
OSDON
11
R955
R958
VSX-43TX
ONLY
H
3
4
JA1003
Y
MONITOR OUT
P (COMPONENT
B
VIDEO)
P
R
IC1051
PDC084A
OSD
13
CN1001
7
(9P)
CN2404
3
(9P)
OSDON
CN2413
(19P)
CN502
(19P)
IC501
PD5770A8
µ-COM
VSX-45TX
ONLY
MULTI-ROOM
& SOURCE
MONITOR OUT
JA905
IC903
TC4W53FU
OSD Selector
Q901
7 1
5 6
VSX-43TX
JA904
ONLY
R915 R921
V
VIDEO
Q931
Y
Q932 S VIDEO
C
JA901
(2/2)
V
VIDEO
Y
S VIDEO
C
JA902
(2/2)
V
VIDEO
Y
S VIDEO
C
VIDEO ASSY
4
MONITOR
OUT
VCR2
OUT
VCR1/DVR
OUT