Main Assy (2/3) - Pioneer VSX-D814-K Service Manual

1

3.4 MAIN ASSY (2/3)

A
A
2/3
MAIN ASSY
(XWK3123)
INFRA
INFLA
INCA
B INSRA
A 1/3
INSLA
INSWA
INSBA
INFRB
INFLB
C
A 1/3
VLDT
A 3/3
VLCK
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
F
A A
2/3
18
1
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
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
Rated power: 1/10W unless otherwise noted.
Tolerance: (J) ± 5% unless otherwise noted.
2.CAPACITORS
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
2
3
R304
R303
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
C317
100p
C318
100p
GNDU
C380
R316
100
10/50
GNDA
GNDU
2 CH E-VOL
(SB CH)
V+7
C316
0.01
GNDA
GNDA
VSX-D814-K
3
4
A 3/3
(FR)
MVRATT
100
10/50
(FL)
V5R6 C321
100
28
(C)
R307
27
100
26
R306 (SR)
25
100
24
(SL)
R305
23
100
22
(SW)
R308
21
100
20 V+7
19
18
17
C322
16
15
CH
C341
CH
V-7
GNDA
10/50
4
10/50
10/50
GNDA
10/50
C342
10/50
C361
GNDA
V-12
C362
Q361
E
R371
B
4.7K
C
2SC3326
GNDA
R382
2.2k