Main Control Assy (3/3) - Pioneer VSX-1015-S Service Manual

1

3.10 MAIN CONTROL ASSY (3/3)

L 3/3
MAIN CONTROL ASSY
(AWX8611)
A
V+12T
CN104
(XKP3071)
V+12T
1
GNDT
2
GNDT
3
(TL)
TL
4
5
TR
(TR)
6
GNDU
7
GNDU
8
RMC
SRIN
9
SRIN
B
10
TXD
11
RXD
SROUT
12
SROUT
I2DT
13
I2C DT
I2CK
14
I2C CK
OSCK
15
OSD CK
OSDT
16
OSD DT
OSCS
17
OSD CS
OSRT
18
OSD RT
19
INH
20
NC
21
V1
22
V2
23
V3
CN105
(XKP3071)
C SY DET 1
SYDET
2
52A
3
52B
C52A
4
C52B
5
FM DET
6
FMDET
GNDT
7
R484 470
T DO
8
R483 470
T CLK
9
R482 470
T DI
10
R481 470
T CE
11
V-12V V-12A
12
V+12V V+12A
13
14
RY A
RYAF
15
RY HP
RYHP
16
RY CS
RYCS
17
RY B
RYBS
18
GNDST
D
L121 R598
19
GNDST
ATL7002 2.7
20
V+5.6ST
21
RY AC
RYAC
22
W UP
ACWP
23
HP SW
HPSW
GNDU
(GNDST)
(MAIN1/3)
E
V+12T
V+12A
V+5AD V+5_6U
F
L 3/3
42
1
2
V+5US
L481
2.2u
RDSSW
Q483
DTC143EUA
L 1/3
RDSCK
GNDT TL
TR
TO MAIN
(1/3)
RDSDT
GNDU
RMC
FMDET
V+5_6U
V+5US
V+5_6ST
D473
1SS355
INH
V+5SM
V1 D474
DAN202K
V2
V3
D475
DAN202K
L476
52A
52B
86A
V+5SM
86B
D522
STBY
TDO
GNDT
TCK R500 R552
TDI STBY
0
D512 R551
TCE
1SS355 100
V+5SM
R499
100
V+5_6ST
Q523
2SA1037K(QRS)
Q524
DTC143EUA
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.
: AUDIO SIGNAL FLOW
: VIDEO SIGNAL FLOW
TO MAIN (1/3)
V-12A
L
C471 C472
0.01 0.01
GA
TO REGULATOR ASSY
2
3
Q482
RDS
2SA1037K(QRS)
ASS7004
4.332MHz
X481
IC481
R488
BU1924FS-TBB
1K
R489
1K
C485
R490
1K
4700p
GNDU
V+5UM
V+5_6ST
V+5UM
C515
2.2/50
2.2
Q511
DTC143EUA
GNDU
V+5US
GNDU
Q522
DTC124EUA
Q521
DTC143EUA
52045-1045
T_RXD (31)
T_BUSY (34)
T_PGM (9)
T_RST (12)
1/3
GNDU
GNDU
GNDA
23 21 19
22 20
GNDST
W
CN2514
VSX-1015-K
3
4
W
CN2525
26 24
4 3 2 1 25
GNDU CN113 V+5US
KP200TA04L
TO REGULATOR
ASSY
OSCK
V+5US
OSCT
PGM
I2CK
I2DT
XRST
R491
OSDT
STBY
GNDU
XRST
ACWP
1WWP
C52A
C52B
L 1/3
Q512
DSPOL
STBY
OSCK
UART
OSDT
R478
STBY
CN501
V+5UM
Vss
1
2
3
NC
4
T_Vdd
5
T_SCLK
6
T_TXD
7
PGM
8
XRST
9
Vss
10
GNDU
17 15 13 11 9 7 5
18 16 14 10 8 6 4
12
TO REGULATOR ASSY
4
22 20 18 16
23 21 19 17
X501
XSS3004
15.7MHZ
V+5UM
DEMU
GNDU
TO MAIN (1/3)
GNDD
GNDU
3 1
2
W
CN2512