Main Digital Assy (4/8) - Pioneer SC-LX90 Service Manual

5
R223
R226
Z2COAX
O
R229
5/8
O
5/8
OUT
1394SPDIF
HDMISPDIF
O
2/8
HRMUTE
V+5D
V+3DR
V-5D
1 3 5 7 9
2 4 6 8 10
GNDD
/8,3/8,6/8
V
3/3
CN8008
5
6
C226 stby
V+5DR6
L205
C227 0.01 YB
QTL1013
1 16
D3 VCC
2 15
D2 D4
R222
3 14
D1 D5
R221
4 13
D0 D6
100
5 12
Y D7
6 11
W A
7 10
XST B
8 9
GND C
V+5DR7
IC205 SN74HC151PW
C229 stby
L206
C230 0.01 YB
QTL1013
1 16
D3 VCC
2 15
D2 D4
R225
3 14
D1 D5
R224
4 13
D0 D6
100
5 12
Y D7
6 11
W A
7 10
XST B
8 9
GND C
V+5DR8
IC206 SN74HC151PW
C232 stby
L207
C233 0.01 YB
QTL1013
1 16
D3 VCC
2 15
D2 D4
R228
3 14
D1 D5
R227
4 13
D0 D6
100
5 12
Y D7
6 11
W A
7 10
XST B
8 9
GND C
IC207 SN74HC151PW
R271 22
R272 22
R273 22
64 63
R251 22
1
RX5
C251 stby
2
TEST
R252 22
3
RX6
R253 220
4
PDN
R254 22
5
RX7
C254 0.1/16 YB
6
DVDD
C253 470p YB
7
VIN
100
EDFD 8
DAUX
R255
9
DVSS
R256 100
DIMK 10
MCKO1
C255 0.1/16 YB
11
MCKO2
C256 470p YB
12
OVDD
13
OVSS
R257 47
DIBK 14
BICK
R258 47
DIFD
15
SDTO
R259 47
DILK 16
LRCK
V+3DD
V+3DD5
17 18
L209
QTL1013
R261
R260
V+5D
QTL1013
DIR
11 13 15 17
12 14 16
CN201
CKS1761
6
22
22
V+5DR
SEL1A
SEL1B
SEL1C
R234
100k
TRXPOW
22
22
SEL2A
SEL2B
SEL2C
V+3DX
22
22
SEL3A
SEL3B
KU/CA :
SEL3C
AWX8721 ONLY
V+3DD1
R274
62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
FILT
47
XTL1
46
XTL0
45
PSEL
44
IIC
43
BVSS
IC208
42
DVSS
AK4115VQ
41
DVDD
40
CSN
MAIN DIR
39
CCLK
38
CDTI
37
CDTO
36
INT1
35
INT0
34
ELRCK
33
EMCK
19 20 21 22 23 24 25 26 27 28 29 30 31 32
47
47
V+5D1
X201
24.576MHz
L210
IC214
(1/4)
14
R284
3 2
1
7 150
V+3DD
(2/4)
IC214 L214 QTL1013
14
R291
6 5
4
7 R289 150 stby
TC74VHC125FTS1
SC-09TX
7
MAIN DIGITAL ASSY
O
3/8
V+5D
IC212
AAT4618IGV-0.5-1
1 5
2
3 4
V+3DD
IC211
NJM2885DL1-33
OUT IN
3 1
2
IC303
NJM2872BF33
5 1
VOUT VIN
GND CONT
2 3
NB
4
CONT
V+3DD
0
XTL0
C262 470p YB
C263 0.1/16 YB
DICS
DICK
R266 DIDI
220 DIDO
R265 100 UNLK
R264 100
EDLK
R263 47
EDMK
R262 100
EDBK
V+3DD2
KU/CA :
AWX8721
ONLY
ASS7072
OSCON
ZXTL0
XPDN
GNDD
7
8
A
B
C
ZXTL0
TRXPOW
SEL1A
SEL1B
SEL1C
SEL2A
SEL2B
SEL2C
O
1/8
SEL3A
SEL3B
SEL3C
XPDN
XTL0
D
DICS
DICK
DIDI
DIDO
O
1/8,2/8
UNLK
O
1/8
OSCON
V+5DD
EDLK
EDBK
EDMK
EDFD
O
4/8
E
DIFD
DILK
DIBK
DIMK
O
5/8
MCLK
F
O
3/8
41
8