SPP-S2720
33
33
3
2
5
OVERCURRENT
PROTECT
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMP
SINK
DRIVER
4
1
VOUT
VIN
ON/OFF
VSS
EXT
SOURCE
POWER
SUPPLY
• IC Block Diagrams
– HAND MAIN Board –
IC1
ML7079MBZ020
IC101
S-816A32AMC-BAH-T2
13
+
–
1
2
GSX
NC
AIN – 3
NC 4
5
SG
NC 6
7
VA
NC 8
9
AG
10
NC
11
VFRO
12
NC
NC
DG 14
15
PDN
PCMRI
NC
MCK
TEST0
TEST1
TEST2
TEST3
22
21
20
19
18
17
16
VD
BCLK
SYNC
PCMSO
PCMSI
IS
IR
PCMRO
30
29
28
27
26
25
24
23
A/D
CONVERTER
B. P. F.
PCM
COMPRESSOR
D/A
CONVERTER
L. P. F.
PCM
EXPANDER
TEST
CIRCUIT
VREF
20k
Ω
20k
Ω
ADPCM
Содержание SPP-S2720
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