Pioneer VSX-LX70 Service Manual page 127

5
L 6/7 L 6/7, 7/7
L 7/7 L 4/7
IC202
1
A16
A15
2
A15
A14
3
A14
A13
4
A13
DQ15/A-1
A12
5
A12
A11
6
A11
A10
7
A10
A9
8
A9
A8
9
NC1
10
NC2
11
XWE
XWE
12
XRESET
13
NC3
14
NC4
15
RY/XBY
16
NC5
17
A18
A17
18
A8
A7
19
A7
A6
20
A6
A5
A5 21
A4
22
A4
A3
23
A3
A2
24
A2
A1
AYW7180-A
FLASH ROM
V+12A
Q106
(2/2)
RT3P22M
Q106
(1/2)
RT3P22M
DEXPOE
C208
IC203
1
DEXPST
STROBE
2
DEXPDT
DATA
3
DEXPCLK
CLOCK
4
ZDACS
Q1
5
XZDARST
Q2
6
XXM
Q3
7
XZXM
Q4
8
Vss
TC4094BFN
PORT EXPANDER
V+5_6ST V+5D
D202
MC2848-11
Q202
2SA1366(EF)
Q201
RT1N241M
GNDU GNDD
5
6
L 3/7, 4/7
L 4/7
L 4/7, 6/7, 7/7
DRDY
XDRST
48
A17
A16
47
XBYTE
46 R244
VSS2
47k
45
D15 DREQ
44
D7
DQ7
43
D14
DQ14
42
D6
DQ6
41
D13 DDI
DQ13
40
D5
DQ5
39
D12
DQ12
38
D4
DQ4
37 DCLK
VCC
36
D11
DQ11
35
D3
DQ3
34
D10
DQ10
33
D2 DDO
DQ2
32
D9
DQ9
31
D1
DQ1
30
D8
DQ8
29
D0
DQ0
28 XOE
XOE
27
VSS1
26
XCE
XCE
25
A1
A0
12VON
Q105
RT1N241M
L 1/7,
3/7 - 7/7
YB
0.1u/16
16
Vdd
15
OE
14
XZSPDIF
Q5
13
XZSMUTE
Q6
12
ZSP
Q7
11
XZDAC
Q8
10
Q's
9
Qs
V+3DM
V+5DIN
IC204
1 5
CONTROL
V+3DM
VIN
2
GND
L201
3 4
N 1/2
NB VOUT
ATL7002-A
NJM2880U1-33
6
7
DIGITAL MOTHER ASSY
L
2/7
(VSX-LX70:AWP7047)
(VSX-LX60:AWP7053)
C127
C222
YB
0.1u/10
14
1
3 2
IC206 (1/4)
7
TC74VHC125FTS1
C221 YB
0.1u/10
TC74LCX244FTS1
20
1
IC205 (1/8)
18 2
10
TC74LCX244FTS1
IC205
(2/8) 20
1
16 4
10
TC74LCX244FTS1
IC205
(3/8)
20
1
14 6
10
TC74LCX244FTS1
IC205
(4/8)
20
1
8 12
10
TC74LCX244FTS1
IC205
(5/8)
20
19
3 17
10
TC74LCX244FTS1
IC205
(6/8)
20
19
5 15
10
TC74LCX244FTS1
IC205
(7/8)
20
19
7 13
10
TC74LCX244FTS1
IC205
20
(8/8)
19
11 9
10
14
4
6 5
(2/4)
IC206
7
TC74VHC125FTS1 GNDU
NOTE
1. RESISTORS
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
Rated Power: 1/16w unless otherwise noted.
Toleranee: (J)5% unless otherwise noted.
2. CAPACITORS
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
3. NM: No Mount
MAIN UCOM
GNDD GNDHD
L 5/7
CN4305
VSX-LX70
7
8
V+5US
0.1u/16
YB
14
9
8
DRDY5
10
7 IC111 (3/4)
TC74VHCT08AFTS1
XDRST5
DHREQ
DHDI
DHCLK
IC105 (4/4)
TC74VHCT08AFTS1
14
12
11
DHDO
13
7
UARTHDMI
14
13
12
7
IC209
(6/6)
TC74VHC04FTS1
14
12
11
HRDY5
13
7
IC111 (4/4)
TC74VHCT08AFTS1
XHRST5
The > mark found on some component parts should be
replaced with same parts (safety regulation authorized)
of identical designation.
L 1/7, 3/7, 7/7
L 1/7
L
8
A
B
C
D
E
F
2/7
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