Main Assy (3/3) - Pioneer VSX-918V-S Service Manual

1

10.3 MAIN ASSY (3/3)

QQ
3 7 63 1515 0
A
CN103
52044-1145
TUNER CE R5001
1
TUNER DI R5002
2
TUNER CLK R5003
3
R5004
TUNER DO 4
STBY
5
GNDT
(L)
TL 6
TL
+9V
7
TR 8
TR
VSM 9
B
10
RDS
11
GNDT
OSD_RST
OSD RST
OSD RT
1
OSD_CS
OSD CS
OSD CS
2
OSD_CLK
OSD CLK
OSD CLK
3
OSD_DT
OSD DT
OSD DT
4
V1
V1
5
V2
V2
6
V3
V3
7
AMUTE
AMUTE
AMUTE
8
SWDET
SWDET
SWDET
9
OSD_ON
OSD_ON
OSD_ON
10
INH
INH
INH
11
SW2
SW2
SW2
12
SW1
SW1 13
SROUT
CN130
SRIN
9604S-13C
C
EXCEPT
SRRX
VSX-918V
SRTX
NC
CN129
9604S-19C
VSX-918V ONLY
TE
L 13942296513
D
E
*2
R9097
R9098
NOTE
1.RESISTORS
www
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
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
F
A 3/3
68
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2
CHASSIS
(RCA Jack)
T_CE
T_DI
T_CLK
T_DO
A 1/3
VT+9
GNDT
A 1/3
R5009
R5005
Q5009
STBY
STBY
STBY
R5016
STBY
V1
GNDT
V2
V3
SW1
RMC
GNDU
STBY
R9094
R9095
R9096
GNDU
VSX-918V
VSX-818V
X 0
0 X
x ao
y
. i
2
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3
ASS7004
4.332MHz
RDS
X5001
IC5001
LC72725KM
C5010
STBY
C5018
STBY
R6002
IC6001 STBY
TC74VHCT125AFTS1
1OE
1 VCC
4OE
2 RX
1A
TX
3 1Y
4A
2OE
4
4Y
3OE
TX
5
2A
RX
6
2Y 3A
7 GND 3Y
GNDU
Q Q
D+5V
3 6 7
Q6001
RT1N241M
D+5V
IC9004
1 16
STROBE VDD
2 15
SERIAL IN OE
3 14
CLK Q5
4 13
Q1 Q6
5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
8 9
VSS
QS
TC4094BFN
MAIN ASSY(3/3)
GNDT
u163
TO POWER PACK ASSY
VSX-918V-K
3
4
2 9 9 4
8
D+5V
TO HDMI SWITCHER
MODULE
VSX-818V
W
CN1001
R5010
47K
GNDU
6 4
7 5 3
D+5V
E2PROM
IC9002
BR24L16FV-W
918 ONLY
1
A0
2
A1
14
3
A2
13
4
GND
12
11
10
9
8
1 3 1 5 0 5 8 2 9
STBY+5V
R9097
*2
V-12
YB
C116 C115
VT+9
D+5V
0.01
D101
STBY
GAV
m
21 19 17 15 13 11 9 7
co
20 18 16 14 10 8 6
12
.
C 2/2
CN816
4
2 8
9 9
2
1
Vcc
WP
SCL
SDA
9 4 2 8 9 9
GNDU
V+12
YB
0.01
SWPR
A 2/3
GNDA
5 3 1
4 2