Power Amp In, Fan Connection And Fan Drive Assys - Pioneer VSX-56TXi Service Manual

1

3.12 POWER AMP IN, FAN CONNECTION and FAN DRIVE ASSYS

A
B
N
POWER AMP IN ASSY (AWX8468)
C
CN4001
52044-2445
SBR
GNDSBR
(SB)
SBL
GNDSBL
SR
GNDSR
(S)
SL
GNDSL
(C)
C
GNDC
D
FR
GNDFR
(F)
FL
GNDFL
V-15V
DC DET
OL DET
AMUTE
V+5.6V
TEMP
LOFAN
FAN STOP
GNDU
FAN DRV
E
F
N
48
1
2
(C)
Overload DET.
R4001
2SC2412K
10k
Q4001
D4001
(F)
(S)
(SB)
VSX-56TXi
2
3
(F)
: AUDIO SIGNAL ROUTE (FRONT Lch)
(S)
: AUDIO SIGNAL ROUTE (SURROUND Lch)
(SB)
: AUDIO SIGNAL ROUTE (SURROUND BACK Lch)
(C)
: AUDIO SIGNAL ROUTE (CENTER ch)
R4003
47k
R4004
1k
W
CN4401
3
4
CN4002
XKP3069
19
NC
18
SBR
17
GNDSBR
16
SR
15
GNDSR
14
FR
13
GNDFR
(C)
12
C
11
GNDC
10
DC DET
9
OL DET
8
AMUTE
7
NC
6
-VH
5
-VH
4
VHG
3
VHG
2
+VH
1
+VH
CN4004
F.FAN+
3
2 F.FAN-
F.FANSTOP
1
S3B-EH
F.FAN+
F.FAN-
F.FANSTOP
FAN STOP
FANDRV
UG
LOFAN
+VH
VHG
-VH
4001
51048-1000
4