VSX-74TXVi
68
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3.22 DSP ASSY (2/2)
CLKON
MCLK1
MCLK2
CONT
B
E
C
4
6
8
2
4
3
8
4
5
1
8
7
2
1
3
1
2
3
3
5
2
1
4
2
1
3
Q301
C304
C305
R302
C301
C303
C302
L301
X301
R301
CK68
R303
IC301
IC301
R304
R305
C360
C361
CK50
IC354
R353
C363
C364
CK51
IC355
R352
CK49
R351
R357
C353
C351
C354
CK47
R355
R356
IC352
R354
IC351
IC301
C357
CK48
should be replaced with same parts (safety
regulation authorized) of identical designation.
mark found on some component parts
The
(2/3)
*1
(3/3)
(1/3)
3.3V
5V
520mA:*1
*1
CLKON
H
L
DSP MCK ON/OFF Logic
AWX8600
OFF
ON
AWX8599
ON
OFF
1.25V
(F%)
(F%)
0V
3.3V
OUT
IN
ADJ
OUT
IN
VCC
PVCC
VO
GND
ADJ
OUT
IN
GNDD
100/16
UN5212
GNDD
CH
10p
CH
10p
VSS1171
20MHz
100/16
100/16
YB
CH
0.1
470p
QTL1013
1M
1.5k
22
TC7WHU04FU
TC7WHU04FU
NJM2391DL1-33
YB
0.1
LM1117DT-ADJ
VD3B
1k
YB
0.1
VD1B
0
100/16
100/16
YB
0.1
NJM2391DL1-33
0
0
BA00HC5FP
0
VDD5
VD3A VD3A1
V3B5
TC7WHU04FU
2k
1k
100/16
ACH7256*
VD1A
22
22
VD3B
CLK
M
2/2
1/2
M
CONT