Pioneer VSX-AX4AVi-S Service Manual page 55

5
CONT5V
V+3DD1
C215
0.1/16
14
XIERST
8 9
10
IC206
7
(2/4)
VSX-AX4AVi ONLY
14
9
8
IECLK1 R411 0
10
IC207
7
(3/4)
IECLK2 R412
stby
14 12
11
IEDI1
R413 0
13
IC207
7
(4/4)
IEDI2 R414
SN74AHC08PW
stby
IC105
7
IEDO1 R416 0
(1/4)
2
3
1
14
IEDO2
R417
stby
7 IC105
IEIT1 R418 0
(2/4)
5
6
4
IEIT2 R419
14
stby
HDRDY
14
XHRST
11 12
13
7
IC206
(4/4)
C217 0.1/16
YB
IC208
(1/8)
20
DDI
14 6
1
IC208
10
(2/8)
SN74LV244APW
20
DCLK
16 4
1
10
IC208
(3/8)
20
DREQ
18 2
1
10
IC208
(4/8)
20
DDO
8 12
1
10
IC210
(3/6)
14
10
11
7
20
HDO
11 9
19
10
IC208
(5/8)
IC208
20 (6/8)
HDI
7 13
19
10
IC208
(7/8)
20
HCLK
5 15
19
10
IC208
(8/8)
20
HREQ
3 17
19
10
DRDY
C216
0.1/16
IC207
14
1
(1/4)
3
XDRST
2
7
IC207
14
4
(2/4)
6
POFF
5
7
CONT3V
(F)
: AUDIO SIGNAL ROUTE(F)
(D)
: AUDIO SIGNAL ROUTE(SPDIF)
5
6
YB
XIERST5
IECLK5
MRX
IEDI5
IEDO5
UART2
IEIT5
MTX
14
1
3
HDRDY5
2
IC106
7
(4/4)
XHRST5
DHDI
DHCLK
DHREQ
RDSXM5
14
9
8
DHDO
10
IC106 XMLINK5
7
(1/4)
UART1
XMLSDT5
XMIRQ5
C219
0.1/16
232SW
V+5UM
(6/6)
C130
0.1/16 YB
14
4
6
DRDY5
M232TX
5
7
YB IC106
(2/4)
M232CT
SN74AHCT08PW
M232RX
XDRST5
POFF5
VSX-AX4AVi-S
6
7
DIGITAL MOTHER ASSY
L
3/8
(
VSX-AX4AVi:AWP7038
(
VSX-AX2AV:AWP7043
V+5US
C131
0.1/16 YB
R176
14
8 9
10
100
7
IC107
(1/4)
14
11 12
13
7
IC107
(2/4)
IC210
(4/6)
14
12
13
7 IC210
8
IC107
R171
(5/6)
(3/4)
100
14
SN74LV125APW
2 3
1
7
R177
14
5 6
4
7
IC206
(2/4)
V+5US
IC210 (1/6)
SN74AHC04PW
14
2
1
7
IC107 (4/4)
14
TC74VHCT125AFTS1
6 5
4
7
C132
0.1/16 YB
14
12
11
13
IC105 (3/4)
7
SN74AHCT32PW
R254 0
IC108
20
(4/8)
18 2
1
10
IC108
(8/8)
20
3 17
19
10
R219 100k
V+3DD1
(5/8)
YB IC108
SN74LV244ATPW
20
9 11
19
14
10
6
5
V+5US
7
20
7 13
IC210
19
IC108
10
C128
(6/8)
14
2 3
0.1/16
1
YB
7
IC108 IC206 (1/4)
(1/8) 20 SN74LV125APW
8 12
1
10
20
15 5
IC108
19
10
(2/8)
20
6 14
1 IC108
10
(7/8)
IC108
(3/8)
20
16 4
1
10
GNDU
7
8
)
)
R198 0
D114
1SS355
SRTX
IPTX
14
9
XMSEL
7
SRRX
0
IPRX
D232TX
D232CT
D232RX
232TX
232CT
232RX
L
8
A
L 8/8
L 1/8
B
L 1/8
L 8/8
L 1/8
C
D
E
F
3/8
55