Sony MDS-JA50ES Service Manual page 57

IC204 L88MS33T-TL
START UP REFERENCE
CIRCUIT VOLTAGE
1
VIN
IC205 TC74LCX244FS (EL)
IC210 TC74VHCT244F (EL)
20 19 18 17
1 2 3 4
IC207 MSM9404AGS-BK
64 63 62 61
60
1
DO
2
SEL
3
SRDT
SWDT 4
ATT/
5 MODE
SCK
6
XLAT
7
INIT
8
NC
9
VDD
10
NC
11
RBPH
SAMPLE RATE DET
STA
12
&
FRS
13
RESAMPLE POINTER
FRM
14
GENERATOR
15
SLAVE
TEST5
16 OUTPUT I/F
(PISO)
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
ERROR
AMP
ON/OFF
PROTECTOR
CONTROL
2 3
STB GND
16 15 14 13
5 6 7 8
59 58 57 56 55 54 53 52 51 50 49
INPUT I/F
(SIPO) IIR/FIR
FILTER
CONTROL
(RAM/ROM/
ATT & DEMP &
ACC)
1Fsi to 8Fsi
FILTER BLOCK
SRC &
DECIMATION
LOW PASS
FILTER BLOCK
FLAME OUTPUT
COUNTER
I/F
(PISO)
CURRENT
LIMITER
4 5
CN VOUT
12 11
9 10
48 TB3
47 FS2
FS1
46
DEMP
45
44 TEST3
43 DAOL
42 DAOR
41 NC
VDD
40
39
NC
38 ABCKO
37 ALRKO
36 MAO1
35
MAO0
34
TB4
33 TB5
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