Headphone Assy; Power Amp In Assy; Input Connect Assy - Pioneer VSX-55TXi Service Manual

5
IC601 (1/2)
IC681 (1/2)
IC501
NJM4565MD
NJM4565MD
AK4383VT
LPF Amp.
MIX Amp.
2
2
15
1
3
16
3
IC541
2
AK4383VT 15
3
16
FL IC561
3
AK4383VT
SL
2 IC661 (1/2)
11
1
SBL NJM4565MD
3
LPF Amp.
12
C
3
IC621 (1/2)
2
15
1 NJM4565MD
LPF Amp.
16
3
3
6 IC621 (2/2)
IC521
13
7 NJM4565MD
AK4383VT
LPF Amp.
14
5
The details please refer to next page.
MAIN CONTROL
L
ASSY
IC711 (2/2)
CN801
UPC4570G2
5
7
6
IC713 (2/2)
UPC4570G2
5
7
6
IC713 (2/2)
UPC4570G2
5
7
6
IC712
JA113
UPC4570G2
5
7
6
3
1
JA112
2
CD-R REC
MD REC
CN103
2 4 6 1 8
(9P)
CN1404
8 6 4 9 2
(9P)
5
6
MR L
V1/OUT
V2/OUT
CN1408
4 6 8 1 2
(9P)
CN1308
6 4 2 9 8
(9P)
5
6
1
FL
IC641 (1/2)
CN101 CN1802
NJM4565MD
(2/2)(20P) (2/2)(20P)
LPF Amp.
1 SL
OUT1
4
SBL
OUT2
2
CN701
C CN401
(22P)
(22P)
SW
CN702 CN402
(10P) (10P)
Z
POWER
P
AMP IN ASSY
CN4001 CN4003 CN4401
(24P) (24P) (17P) (17P)
FL FL
13 12 5 13
SL SL
7 18 3 15
SBL SBL
3 22 1 17
C
9 16
12
CN4453
8
(10P)
(2/2)
C
10 10
L CD-R/
TAPE1
CN4454
R
OUT
(10P)
(2/2)
AA
MD/
L
TAPE2
R POWER AMP-R
OUT
ASSY
M62429FP
7
IC1541
MR Volume
UPC4570G2
SW Amp.
E

INPUT CONNECT ASSY

A
7.1 CH I/O ASSY
CN1303
SUB WOOFER
CENTER
L
FRONT
R
CN1304
L
SURROUND
R
L
SURROUND
BACK
R
6
7
D 2/2
H 2/2
COAXIAL IN
OPTICAL IN
ASSY
ASSY
CN1801 CN1701
(2/2)(9P) (2/2)(9P)
JA1703
DOUT1
4 6 6
OUT1
JA1704
DOUT2
2 8 8
OUT2
T
1394 ASSY
Refer to "3.1.3 1394
BLOCK DIAGRAM".
POWER AMP-L
ASSY
IC4101
PA9009A
Power Amp.
1
3
FL
IC4201
Y2
4
PA9009A
Power Amp.
1
3
SL
IC4301
Y3
4
PA9009A
Power Amp.
1
3
SBL
Y3
4
IC4451
PA9009A
Power Amp.
1
3
C
Y1
4
POWER AMP-C
AB
ASSY
B 2/2
IC401
CN1405 CN1204
(2/2)(17P) (2/2)(17P)
MRL
1 2 3 3
V1OL
16 16
V2OL
17 17
VSX-55TXi
7
HEADPHONE
Y
ASSY
PHONES
CN1951
2
(3P)
CN3007
2
(3P)
U 2/2
DISPLAY
CN3001
5
(11P)
ASSY
CN2002
7
(11P)
AJ
PRIMARY
CN2004
1
(5P)
ASSY
CN4613
1
(5P)
CN4601
(2P)
CN4611
RY4601
1
L
FRONT
R
RY4602
CN4603
L
(2P)
SURROUND
R
2
CN4612
RY4603
1
L
SURROUND
R BACK
RY4604
CN4602
(2P)
CENTER
1
AD
SP/PS ASSY
V-AUDIO IN ASSY
CN1205
(1/3)
MULTI-ROOM
L
& SOURCE
R
OUT
CN1205
(3/3)
L
VCR1
OUT
R
CN1201
(2/2)
L
VCR2
OUT
R
8
A
B
C
D
E
F
17
8