Pioneer VSX-1018AH-K, Service Manual

Page: 27 / 187

27
VSX-LX51
5 6 7 8
5 6 7 8
A
B
C
D
E
F
4.8 BLOCK DIAGRAM FOR POWER SUPPLY BLOCK
MAI
N
ASSY
REGULA
T
OR ASSY
PRIMAR
Y ASSY
FU1
T3701 STBY TRA
N
SFORMER
A
TT7040(HYS)
RY
IC3701 N
JM7
8
M56
+5.6
V
AC
T1501
PO
W
ER
TRA
N
SFORMER
A
TS7419(HYS)
IC4004 N
JM7
8
M05
+5
V
IC4005 N
JM7
8
M56
+5.6
V
IC4006 N
JM79M05
-5.6
V
FL PO
W
ER
SUPPL
Y
BLOCK
IC5763 BA17
8
M12
+12
V
IC5751 N
JM7
8
M12
+12
V
IC5752 N
JM79M12
-12
V
V
L SELECT
OR
+
V
H
SUPPL
Y
BLOCK -
V
H
SUPPL
Y
BLOCK
PO
W
ER AMP ASSY
IC4251 PQ1CG3032 +5
V
DC/DC ASSY
HDMI ASSY
DSP ASSY
V
+5AD
V
+13U
N
V
+5D
V
IDEO BLOCK
V
-5.6
V
V
+5.6
V
DISPLA
Y ASSY
IC3001
FL
u-com IC3004 E
V
E
N
T
u-com
LED BLOCK KEY BLOCK
IC101 MAI
N
u-com
MUTE Logic
232C Logic
RDS / Logic
3-5 / 5-3
V
+5.6U
V
+5.6ST
FL A
C
V
-
V
F
FL
DISPLA
Y
PO
W
ER AMP
BLOCK
±
V
L
PREST
A
GE-AMP
ASSY
±
V
H
I
N
TERF
A
CE
ASSY
FR
O
N
T I
N
ASSY
A
UDIO
ASSY
12
V
TRG
232C / IR
V
+12TRG
±7
V
Rough Loc
k
V
+5OPT
V
±7A
IC501 E-
V
OL
V
±12A
LPF PRE Amp
TU
N
ER Module
V
+9T
V
SX model only
+9
V
Rough Loc
k
V
+12T
+5
V
Rough Loc
k
+3
V
Rough
Loc
k
-5
V
Rough Loc
k
-3
V
Rough
Loc
k
V
-3C
V
+3C
V
-5
V
V
+5
V
IC1001 BD9011K
V
+3.3/2.5
V
IC1071 N
JM7
8
M05
+5
V
IC1051
PQ200
WN
A1
+5
V
IC704 BD9107F
V
M
+1
V
IC705 PQ1LAX95M +3.3
V
A/D
comv
.
R
U
S
E
A
V
F
G
C
D
M
B
T