Pioneer SC-LX90 Service Manual page 183

5
O
(*) MARKS
V+3DU
AWX8721
AWX8722
M
IC102
(S29AL004D70TFI010-K)
A16
1
A15
A15 2
A14
A14 3
A13
A13
4
A12
A12 5
A11
A11 6
A10
A10 7
A9
A9
8
A8
9
NC
10
NC
XWE 11
XWE
12
XRESET
13
NC
C111 stby
14
NC
R153 stby 15
RY/XBY
16
NC
A18 17
A17
A8 18
A7
A7
19
A6
A6 20
A5
A5 21
A4
A4
22
A3
A3 23
A2
A2 24
A1
DFWRITE
0 HREQ2 DEXST1
1
STB
0
SPDIS1 DEXDT1 2
DATA
0
REQ1 DEXCLK1 3
CLOCK
0 RST1 SEL4A
4
SEL4A
0 RFUNLK SEL4B 5
SEL4B
DSDPCM 6
DSDPCM
DSPON 7
DSPON
8
VSS
IC103
DEXST1 1
STB
2
DATA
DEXCLK1
3
CLOCK
XSRC 4
XSRC
DSDDIRECT 5
DSDDIRECT
DDIRECT
6
DDIRECT
XSPDIF 7
XSPDIF
8
VSS
IC104
V+5D V+5DI
D102
RB501V-40
1
3 2 1
V-5D
AS
CN4302
5
6
MAIN DIGITAL ASSY
1/8
SIMUKE1
MODEL R187 R188
SC-09TX/KU - 47k
SC-LX90/OTHER 47k -
AYW7135
A17
48
A16
47 47k
XBYTE
46 R154
VSS
D15
45
DQ15
44 D7
DQ7
43 D14
DQ14
42 D6
DQ6
D13
41
DQ13
40 D5
DQ5
39 D12
DQ12
38 D4
DQ4
37
VCC
36 D11
DQ11
35 D3
DQ3
D10
34
DQ10
33 D2
DQ2
32 D9
DQ9
31 D1
DQ1
D8
30
DQ8
29 D0
DQ0
28 XOE
XOE
27
VSS
26 XCE
XCE
25 A1
A0
C114 0.1/16
YB
DEXOE1
16
VDD
15
OE
14 TRXPOW
TRXPOW
BAUDIO
13
BAUDIO
12 XHDMI
XHDMI
11 XIEEE
XIEEE
10
QS'
9
QS
BU4094BCFV
PORT EXPANDER
C115 0.1/16
YB
16
VDD
15 DEXOE1
OE
SEL1A
14
SEL1A
13 DS232
DS232
12 XON
XON
Z2SP
11
Z2SP
10
QS'
9
QS
BU4094BCFV
V+3DSI
V+3DS
IC118
NJM2872BF-33
L101
1 5
VIN VOUT
QTL1013
3 CONT GND 2
NB
4
V+3DUI V+3DU
IC117 NJM2880U1-33
L102
5 4
VIN VOUT
QTL1013
CONT GND
1 2
NB
3
JP101
ADB7035
GNDD
6
R
CN995
O
2/8
2 4 6 8 10
1 3 5 7 9 11
V+3DS
GNDD
DAC
C116 0.1/16
YB
DEXST1 1
STB VDD
2
DATA OE
DEXCLK1 3
CLOCK SEL3C
SEL1B 4
SEL1B SEL3B
SEL1C 5
SEL1C SEL3A
SEL2A
6
SEL2A SEL2C
SEL2B 7
SEL2B QS'
8
VSS QS
IC105 BU4094BCFV
PORT EXPANDER
C117 0.1/16
YB
DEXST1
1
STB VDD
2
DATA OE
DEXCLK1 3
CLOCK F96K
F48K
4
F48K XTL0
192K 5
192K XZ2PDNAD
ZXTL0 6
ZXTL0 XPDNAD
ATT 7
INPUTATT QS'
8
VSS QS
IC106 BU4094BCFV
PORT EXPANDER
C118 0.1/16
YB
DEXST2 1
STB VDD
DEXDT2 2
DATA OE
DEXCLK2
3
CLOCK XM
XZ2HR 4
XZ2HR XHR
XZ3HR 5
XZ3HR Z3XM
XZ2XM
6
XZ2XM Z4XM
XZ3XM 7
XZ3XM QS'
8
VSS QS
IC107 BU4094BCFV
EXCEPT AWX8721
C142 0.1/16
YB
DEXST2
1
STB VDD
2
DATA OE
DEXCLK2 3
CLOCK XZSPDIF
ROWE 4
ROWE OSCON
MMODE
5
MMODE NC
Z2DIN 6
Z2DIN XZSMUTE
ZDAC 7
ZDAC QS'
8
VSS QS
IC120 BU4094BCFV
SC-09TX
7
V
2/3
CN8005
2 4 6 8
1 3 5 7
V+3DS
XSRC
16
DEXOE1
15 DSDDIRECT
SEL3C
14
13 SEL3B
12 SEL3A
SEL2C
11
10
9
Z2DIN
TRXPOW
16
15 DEXOE1
14 F96K
XTL0
13
12 XZADRST
11 XADRST
10 DEXOED
9
KU/CA : AWX8721
ONLY
16
15 DEXOE2
XM
14
13 XHR
12 Z3XM
Z4XM
11
10
9
ATT
16
15 DEXOE2
14 XZSPDIF
13 OSCON
12
11 XZSMUTE
10 DEXDT21
9
7
8
A
B
O
DSDPCM 4/8
O
2/8,4/8
DDIRECT
O
4/8
XM
ZDAC
O
5/8
Z3XM
O
Z4XM 4/8
O C
5/8
O
5/8,8/8
BAUDIO
O
3/8
SEL1A
SEL1B
SEL1C
SEL2A
O
SEL2B 3/8
SEL2C
SEL3A
SEL3B
SEL3C
D
SEL4A
O
4/8
SEL4B
O
XZADRST 5/8
XADRST
F48K O
6/8,7/8
F96K
192K
O
6/8
XHR
XZ2HR
E
XZ3HR
DEXST2
DEXDT21
O
DEXCLK2 8/8
DEXOE2
DEXOEO
F
O
1/8
37
8