Main Digital Assy (3/8) - Pioneer SC-LX90 Service Manual

1

10.19 MAIN DIGITAL ASSY (3/8)

A
JA201
COAX1
(1/2)
DVD/LD
GNDAD
JA201
COAX2
(2/2)
BD
B
JA202
COAX3
(1/2)
CD
JA202
COAX4
(2/2)
SACD
JA501
AKB7191
COAX OUT
ZONE2 OUT
Gs
C JA203
AKS7006
(TOTX147L)
DIGITAL
OUT 1
1 2
ZONE3
SOURCE
OUT
JA204
AKS7006
(TOTX147L)
DIGITAL
OUT 2
SOURCE
1 2
OUT
GNDD
D
V+5D V+5DX1
L302
ATL7002
JA300
E
AKP7201
1
+5V
2
TR-
3
TR+
4
GND
KU/CA : AWX8721 ONLY
F
O
3/8
40
1
2
R205
AKB7148
47k
C201
8
1
7
1
2 0.01 4
IC201
YB
(1/3)
TC7WU04FU
TC7WU04FU
IC202
(1/3)
C202
4
8
7
1
3
0.01 4
R206
YB
47k
R207
AKB7148 47k
C203
8
1
7
1
4
2 0.01
IC203
YB
(1/3)
TC7WU04FU
TC7WU04FU
IC204
(1/3)
C204
4
8
7
1
3
4
0.01
R208
YB
47k
R504 stby
F501
1
L503
1
DTF1068
2
CTF1661
F502
3 2
PTL1017
R505
stby
3
V+3DR1
C224
L208
0.1/16 YB
QTL1013
3
C225
R326 100
0.1/16 YB
R325 100
R300 100k
EXCEPT
KU/CA :
AWX8721
V+5DX2
C304 YB
0.1/16
R301
stby
R302 stby
C305
0.1/16 YB
GNDD
2
3
V+5DR1
IC201
QTL1013
(3/3)
8 8
R213
2 5
6 3
470 V+5DR2
4 4
IC201
(2/3)
IC202
(2/3) QTL1013
8 8
R214
2 5
6 3
470 V+5DR3
4 4
IC202
(3/3)
IC203
QTL1013
(3/3)
8 8
2 R215 5
6 3
V+5DR4
470
4 4
IC203
(2/3)
IC204
(2/3) QTL1013
8 8
R216
2 5
6 3
470
4 4
IC204
(3/3)
L502
PTL1003
R503
4
C504
75
3 0.1
V+3DR
V+3DR2
L213
C238 stby
QTL1013
C239
IC213
(1/2)
TC7WH125FU
0.01 YB
8
R230 100
6 2
1
R231 22
4
IC213
(2/2)
8
R232 100
3 5
7
R233
4
22
V+3DX1
V+3DX R314
100k
R317
100k
R318
stby
R319
100k
C309
stby
VSS I2S_RATE
VDD LINK_ACTV
COMM_RX_P COMM_TX_EN
COMM_RX_M
VDD COMM_TX_P
VSS VSS
COMM_TX_M
C307
R307 R308
680 0
12p CH
C308
X301
12p CH
ASS7065
45.1584MHz
O
1/8,6/8
SC-09TX
3
4
V+5DR
L201
C217
R217
100
0.01 YB
L202
C218
R218
100
0.01 YB
L203
C219
R219
100
0.01 YB
L204
C220
R220
100
0.01 YB
V+5DR5
L501
QTL1013
R502 5 R501
4 2
1
22 47
3
YB
IC501
TC7SZ125FU
V+5D
IC210
NJM2880U1-33
4 5
VOUT VIN
2 GND CONT 1
NB
R322 100
R321 100
R320 100
R313 100
R298 100k
R315 100k
IC301
BU9450KV
XM/DT
Rev.4AR
R312 100k
R311 100k
R292 100k
SAII_CLK
SAII_EN
R293 0
MUTE
SAII_DATA
R310
I2S_OCLK
VDD
47
VSS
I2CLRCLK
VSS
VDD
I2C_DATA
I2C_CLK
R294 stby
R296 stby
R295 100
R297 100
O
4/8,5/8
O O O
6/8 6/8 6/8
4
O
5/8
COAXOUT
XMPOW
XMOL
XMLINK
XMFS
XMRST
XMANT
XMRX
XMTX
XMLSDT
XMMUTE
XMMK
O
XMLK
2/8
HRMUT
XMBK
XMFD
V+3DR
XMDT4
XMRATE
1
2
GNDD
O
1/8,3/8,6/8