Sony STR-DB798 Service Manual page 53

• IC Block Diagrams
– DIGITAL Board –
IC1101 LC89056W-E
36 35 34 33
CE 37
CL 38
XSEL 39
MICROCOMPUTER
MODE0 40
INTERFACE
MODE1 41
DGND 42
DVDD 43
DOSEL0 44
DOSEL1 45
CKSEL0 46
CKSEL1 47
XMODE 48
1 2 3
IC1103 SN74HC153ANS
DATA INPUTS
STROBE A
VCC 2G SELECT 2C3 2C2 2C1 2C0
16 15 14 13 12 11
2C3 2C2 2C1 2C0
2G
B B A
B B A
1G
1C3 1C2 1C1 1C0
1 2 3 4 5 6
STROBE B 1C3 1C2 1C1 1C0
1G SELECT
DATA INPUTS
32 31 30 29 28 27 26 25
C BIT
DETECT
SAMPLING
FREQUENCY
LOCK
X' TAL
DETECT
DATA
TIMING
DEMODULATOR
PLL
INPUT
CIRCUIT
4 5 6 7 8 9 10
OUTPUT
2Y
9
10
2Y
A
A
1Y
7
8
OUTPUT GND
1Y
24 AUDIO
PA/PB
DETECT
23 EMPHA
22 XIN
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
11 12
IC1204 TC7WH157FU (TE12R)
EN G
A 1
A
2
B B
Y 3
GND 4
STR-DB798
8
VCC
11 7 ST
11 6 SELECT
5
Y Y
Y
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