Main Assy (2/3) - Pioneer VSX-515-K Service Manual

1

3.4 MAIN ASSY (2/3)

A
A
2/3
MAIN ASSY
(XWK3154)
INFRA
INFLA
INCA
B INSRA
A 1/3
INSLA
INSWA
INFRB
INFLB
A 1/3 A 3/3
C
VLDT
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
V-12
(SB CH)
2 CH E-VOL
E
A 1/3
GNDA
INSBL
NOTE
1.RESISTORS
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
+ –
Tolerance: (J) 5% unless otherwise noted.
2.CAPACITORS
F
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
A A
2/3
: AUDIO SIGNAL FLOW
18
1
2
INFRA 43
INFLA 44
INCA
45
INSRA 46
INSLA 47
INSWA
48
49
INFRB
50
INFLB
51
INCB
52
INSRB
53
INSLB
54
INSWB
55
INSBB
56
GNDA
(SBL)
C380
R316
100
10/50
V+7
V+12
GNDU
IC109
BD3812F-TBB
V+7
YB
C315
0.01
GNDA
V-7
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
GNDA
YB
V+12
C316
0.01
V+7
GNDA
STBY
V-7
GAV
V-12
VSX-515-K
3
4
(FR)
100
(FL)
V5R6
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
16
15
CH
CH
V-7
GNDA
MVRATT
A
C362
10/50
4
3/3
Q361
2SC5938A
R371
C
4.7K
B
E
V-12
C384
10/50
R382
2.2K