Amp&Primary(2/2), Regulator, Amp Input And Trans1 Assys - Pioneer VSX-915 Service Manual

Audio/video multi-channel receiver
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1
3.9 AMP&PRIMARY(2/2), REGULATOR, AMP INPUT and TRANS1 ASSYS
TO DSP ASSY
XNP3067
CN807
DEC MUTE
15
DSP DI
14
A
DSP DO
13
DSP CK
12
DSP RST
11
DSP SS
10
BUSY
9
DSP HREQ
8
DSP MODE
7
DIR DO
6
DIR CS
5
DIR RST
4
DIR ERR
3
XTLO
2
GNDD
1
SBLO
19
GDAC
18
17
SBRO
B
16
GDAC
15
CO
GDAC
14
SWO
13
GDAC
12
SLO
11
GDAC
10
SRO
9
RCMUT
8
/DVF
FLO
7
GDAC
6
FRO
5
GDAC
4
AINL
3
VCOMG
2
AINR
1
AKP7062
B
1/2
CN806
C
CN805
CN701
AKP7059
GNDD
13
AD+5V
12
GDAC
11
GDAC
10
D+5V
9
D+5V
8
7
DGRTN
6
DGRTN
5
GNDD
4
3
UGRTN
2
B
1/2
1
CN902
D
3
SP-B RY
1
2
R/C RY
2
1
SP-A RY
3
4
HP.SW
4
5
T+12V
GNDT
6
Stby5V
7
GNDU
8
D+5V
9
AC RY
10
AC WUP
11
-VF
12
E
FL AC2
13
FL AC1
14
-12V
15
GAV
16
+12V
17
SWOUT
18
GNDA
19
SBOUT
20
CN802
KM200TA20
F
C
F
2/2
28
1
2
IC806:
D+5V REG.IC
5.6V
GNDD
IC804
NJM78M05FA
5.0V
D812
OUT
IN
1SS133
stby
GDAC
IC803:
D+5V REG.IC
5.0V
NJM78M05FA
OUT
GNDD
R801
IC801:
330/3W
+12V REG.IC
IC801
11.8V
18.5V
NJM78M12FA
IC802:
OUT
IN
OUT
IN
IC802
-11.9V
-18.7V
NJM79M12FA
IC805:
4
T.+12V REG.IC
3
2
1
TG
CN803
KM200TA7
Q801
1
SBOUT
DTA124ES
2
GNDA
3
SWOUT
Q803
4
GNDU
DTA124ES
5
+12V
6
GAV
Q805
7
-12V
DTA124ES
I
CN302
2
3
IC806
NJM78M56FA
OUT
IN
11.1V
IC804:
AD+5V REG IC
IC803
IN
D801
-12V REG.IC
S5688G
D802
S5688G
D803
S5688G
D804
S5688G
F
IC805
NJM78M12FA
OUT
IN
REGULATOR
ASSY
(XWZ3953)
Q802
DTC114ES
Q804
DTC114ES
Q806
DTC114ES
VSX-815-K
3
4
CN808
J43
52045-1545
GNDD
15
XTLO
14
13
DIR ERR
DIR RST
12
DEC MUTE
11
10
DSP DI
9
DSP DO
DSP CK
8
7
DSP RST
DSP SS
6
BUSY
5
DSP HREQ
4
3
DSP MODE
DIR DO
2
1
DIR CS
SBRO
1
GDAC
2
SBLO
3
GDAC
4
CO
5
GDAC
6
SWO
7
GDAC
8
SLO
9
GDAC
10
SRO
11
RCMUT
12
/DVF
FLO
13
GDAC
14
FRO
15
GDAC
16
AINL
17
GDAC
18
AINR
19
AD+5V
20
CN804
KM200TA20
23
1
DREG
22
2
21
3
DREG
20
4
19
5
REG B
18
6
17
7
REG G
16
8
15
9
REG B
14
10
13
FL AC1
11
12
12
FL AC2
11
-VF
13
10
AC WUP
14
9
15
AC RY
8
16
Stby5V
7
17
GNDU
6
18
5
SP-B RY
19
4
R/C RY
20
SP-A RY
3
21
2
22
HP.SW
1
+12V
23
CN801
CN53
52045-2345
52045-2345
C
1/2
4

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