Pioneer SX-LX70SW Service Manual page 85

5
A
3/7, 4/7, 5/7
VS+3R3
HDRDY
XHRST
IC401
DDI(HDI)
(1/8)
4D
(2/8)
IC401
TC74LCX244FTS1
DCLK(HCLK)
5D
IC401
DREQ(HREQ)
(3/8)
17D
IC401
(4/8)
3D
DDO(HDO)
IC402
(1/4)
TC74VHC02FTS1
1
HDO
11
10
20
HDI
7
19
10
R417
20
HCLK
5
19
100
10
20
HREQ
3
19
10
DRDY(HRDY)
8D
IC404 (1/4)
TC74VHC08FTS1
14
XDRST(XRESET)
3
10D
IC404
14
(2/4)
POFF 6
18D
RS232C
232TX 14
29D 2
1
7
14
32D 232CT
5
4
7
232RX 14
30D 3
1
7
232TX 14
29XM
9
10
7
232CT 14
32XM
12
IC408
13
7
(4/4)
14
30XM 232RX
6
4
IC409
7
(2/4)
5
6
VS+5HD_1
IC403 (1/4)
TC74VHCT08AFTS1
14
1
3 46M
2
HDMI RDY
R414
7
IC404
14 100k
9
8 (3/4)
48M
XHDMI RST
10
7
C402
YB
0.1/10
20
23M
HDMI/DSP DI
18 2
1
10
20 25M
HDMI/DSP CLK
16 4
1
10
20
41M
HDMI/DSP REQ
14 6
1
14 IC403
4
10
6 24M
(2/4)
20
5
8 12
HDMI/DSP DO
1 7
10
R416
HDMI/DSP SW
100k
(UART1) 42M
2
14
3
L:DSP
7
H:HDMI
20
9
19
IC401
IC402
(5/8)
(3/4)
8
10
14
IC401 9
13
7
(6/8)
IC401
IC402
15
(7/8) (4/4)
11
13
14
IC401 12
17
7
(8/8)
C403
YB
0.1/10
DSP RDY
14
IC403 9
45M
8
(3/4)
10
7
C404 IC403
(4/4)
YB 14
12
0.1/10 11
13
7
1
47M
XDSP RST
2
7
4
DSP POFFINFO 31M
5
7
IC408 (1/4)
TC74VHCT125AFTS1
3
232SW D 54M
IC408
(2/4)
6
IC409
(1/4) TC74VHC125FTS1
2
VS+3R3
IC408
(3/4)
8
232SW XM 22M
11
5
IC409 IC409
(3/4) (4/4)
14 14
8 9 11 12
10 13
7 7
6
7
A
4/7
A
1/7, 2/7, 3/7, 5/7
XM,Sirius
C407
YB IC406
0.1/10
14 TC74VHCT08AFTS1
1
38M XM RDY 3
2
R422
7
IC406
100k 14
4 (2/4)
50M XM DO 6
5
R423
7
100k
34M XXM RST 2
A1
26M XM REQ 3
A2
33M XM POWOFFINFO 4
A3
49M XM DI 5
A4
51M
XM CLK 6
A5
7
A6
8
A7
SIRIUS_TX
9
A8
1
G1
19
G2
14 10
9
SIRIUS_RESET 8
10
IC406
(3/4) 7
IC406
14
12
SIRIUS_RX (4/4)
11
13
7
53M 232SW_M
TC74VHCT125AFTS1
IC405
(1/4)
75M 232TX 14
2
3
IC405 1
7
(2/4)
85M 232CT 14
5
6
4
IC405
7
(3/4)
14
76M 232RX
8
9
10
7
14
11 12
13 IC405
7
(4/4)
HD232TX
HD232CT
HD232RX
SX-LX70SW
7
8
MAIN ASSY
(AWK8028)
Digital Radio uCOM - MAIN uCOM
(1/4)
1XM
MAIN RDY
MAIN DO 99XM
IC407
20
TC74LCX541FTS1
R401
XRESET 10XM
18
B1
1k MAIN REQ 17XM
17
B2
POFF 18XM
16
B3
MAIN DI 98XM
15
B4
14
100XM
MAIN CLK
B5
13
B6
12
B7
11 SIRIUS TX 27XM
B8
SIRIUS RESET
46XM
28XM
SIRIUS RX
Digital Radio uCOM - Sirius
VS+5HD_2
For Download
V+12DL
7
V+12
6 GND
5 V+5
4
(NC)
R419
100
3
CT
R420
2
RX
100
1
TX
R421
100
CN401
RKN1048
A
8
A
B
C
D
E
F
4/7
85