Pioneer SC-LX90 Service Manual page 189

5
24 26
23 25
GNDD
DOSD R395
SD
R396
DOFD R397
FD
R398
DDSD
DOBK R403
R404
BCK R405
DDBD
R406
R407
MCK
DDCD 100
DDFD
R383
HDXD
R384
R390
HDSDCLK R478
IEBK R393
HDBK R389
R497
BAMK
R391
O
5/8 8/8
5
6
O
2/8
O
1/8
V+3DD17
L342
C355
C356 stby
QTL1013
0.01 YB
1 16
SEL VCC
0 2 1A 15
ST
3 4A 14 R401 0
1B
SD BD
100
4 4B 13
1Y
0 5 12 R402 100
2A 4Y
6 11 R399 0
2B 3A
FD CD
100 7 10
2Y 3B
8 9 R400 100
GND 3Y
IC342
TC74LCX157FTS1
V+3DD18
L343
C357
C358 0.1/16 YB
QTL1013
470p YB
1 16
SEL VCC
2 15
100 1A
ST
100 3 14 R410 0
4A
1B
WD
BCK
47 4 4B 13
1Y
47 5 12 R411 100
2A 4Y
6 11 0
R408
2B 3A
MCK LRCK
7 10
2Y 3B
8 9 R409 47
GND 3Y
IC343
TC74LCX157FTS1
DSPIN
V+3DD15
C350
0.1/16 YB
L340
C351
QTL1013
(1/4)
IC340
470p YB TC74VHC08FTS1
14
1
R385 100
3
47
2
7
(2/4)
IC340
14
4
R386 47
5
7
IC340 (3/4)
14
9
8 R387 47
10
7
IC340
(4/4)
14
12
R388 47
11
100
13
7
V+3DD16
L341
C352
C353 0.1/16 YB
QTL1013
470p YB
1 16
SEL VCC
100 2 1A 15
ST
100 3 14
4A
1B
XD
BCK
47 4 13
4B
1Y
47 5 12 R392 47
2A 4Y
6 11
2B 3A
MCK LRCK
7 10
2Y 3B
100 8 9 R394 47
GND 3Y
IC341
100
TC74LCX157FTS1
O
5/8
6
O
1/8
CN302
AKM7054
2 4 6 8
1 3 5 7 9
DOBD
BD
DOCD
CD
1
R412 0 2
DOWD 3
R413 47 4
WD
R414 100 5
DOLK 100
R415 6
R416 47 7
LRCK 8
1
R421 0 2
HDSD1 R422 0
3
DSD1L R423 150 4
R424 0 5
HDSD3 R425 0 6
DSD3L
R426 150 7
8
DDBK
1
R433 0 2
HDSD7 R434 0 3
HDSD5 DSD7L R435 150 4
DDXD 5
R436 100 6
HDSD2 DSD3 R437 150 7
DDLK 8
DDMK
DOUT
SC-09TX
7
MAIN DIGITAL ASSY
O
4/8
Q
1/3
CN402
12
10 14 16 18 20 22 24 26
11 13 15 17 19 21 23 25
C373
C374
R467
R468
R469
stby
R470
R471
R472
V+3DD19 V+3DD
C354 stby
L344
C359
C360 0.1/16 YB
QTL1013
470p YB
16
SEL VCC
DSDDIRECT
1A 15
ST
14 R419 0 DOE2D
4A
1B
LRCK E2D
13
4B
1Y
12 R420 100
2A 4Y
DOE1D
11 R417 0
2B BCK 3A
E1D
10
2Y 3B
9 R418 100
GND 3Y
IC344
TC74LCX157FTS1
V+3DD20
L345
C361
C362 stby
QTL1013
16
SEL VCC
1A 15
ST
0
4A 14 R430
1B
DSD1 DSD5
13 R431 0
4B
1Y
12 R432 150
2A 4Y
11 R427 0
2B DSD4 3A
DSD3
10 R428 0
2Y 3B
9 R429 150
GND
3Y
IC345
TC74LCX157FTS1
V+3DD21
L346
C363 0.1/16
C364 YB
QTL1013
470p YB
16
SEL VCC
1A 15
ST
14 R440 100
4A
1B DSD7
13 R441 100 HDSDCLK
4B
1Y
DSDCLK
12 R442 22
2A 4Y
DSD3
11 R438 0
2B 3A
10
LRCK6
2Y 3B
9 R439 150
GND 3Y
IC346
TC74LCX157FTS1
7
8
A
V+5D
0.22/16
470p/50 YB
B
stby
stby
stby
stby
stby
GNDD
C
E2D
E1D
D
SRC
HDSD5
DSD5L
HDSD4
DSD4L
E
DSDCLK
LRCK6
F
O
4/8
43
8