Main Assy (2/3) - Pioneer VSX-D714-K Service Manual

1

3.4 MAIN ASSY (2/3)

QQ
3 7 63 1515 0
A
A
2/3
MAIN ASSY
(XWK3120)
INFRA
INFLA
INCA
B INSRA
A 1/3
INSLA
INSWA
INSBA
INFRB
INFLB
C
A 1/3
VLDT
A 3/3
VLCK
TE
L 13942296513
TO 5.1 INPUT ASSY
CN105
52044-0845
AG
1
C
2
3
-12V
D 4
SW
+12V 5
6
SL
7
AG
8
SR
GNDA
E
www
F
A A
2/3
18
1
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2
INFRA 43
INFLA 44
INCA
45
INSRA 46
INSLA 47
INSWA
48
INSBA
49
INFRB
50
INFLB
51
INCB
52
INSRB
53
INSLB
54
INSWB
55
INSBB
56
GNDA
(SB)
V+7
V+12
V-12
IC109
BD3812F-TBB
C315
0.01
GNDA
V-7
NOTE
1.RESISTORS
x ao
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
y
Rated power: 1/10W unless otherwise noted.
Tolerance: (J) ± 5% unless otherwise noted.
. 2.CAPACITORS i
Unit: p-pF or µF unless otherwise noted.
Ratings: Capacity(µF)/Voltage(V) unless otherwise noted.
Rated Voltage: 50V expect for electrolytic capacitors.
JA:CEJA
: AUDIO SIGNAL FLOW
VSX-D714-K
2
http://www.xiaoyu163.com
3
8
R304
100
R303
100
42
41 40 39 38 37 36 35 34 33 32 31 30 29
GND
COUT
GND
6 CH E-VOL
SROUT
GND
IC108
SLOUT
BD3813KS_TBB
GND
SWOUT
GND
SBOUT
VCC
GND
VEE
VDD
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CH
C317
100p
C318
100p
CH
GNDU
Q Q
3 6 7
C380
R316
100
10/50
R381
B
4.7K
2SC3326
GNDA
GNDU
2 CH E-VOL
(SB CH)
V+7
C316
0.01
GNDA
GNDA
u163
3
4
2 9 9 4
A 3/3
(FR)
MVRATT
10/50
(FL)
V5R6 C321
28
(C)
R307
27
100
26
R306 (SR)
25
100
24
(SL)
R305
23
100
22
(SW)
R308
21
100
V+7
20
19
18
17
C322
10/50
16
15
C341
10/50
V-7
GNDA
1 3 1 5 0 5 8 2 9
Q386
E
C361
C
C362
10/50
m
co
.
4
2 8
9 9
GNDA
9 4 2 8 9 9
10/50
C342
10/50
GNDA
V-12
Q361
E
R371
B
4.7K
C
2SC3326
GNDA
R382
2.2k