Sony STR-DB798 Service Manual page 53

• IC Block Diagrams
– DIGITAL Board –
IC1101 LC89056W-E
36 35 34 33 32
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 2C3 2C2 2C1 2C0
2G SELECT
16 15 14 13 12 11 10
2C3 2C2 2C1 2C0
2G
B B A A
B B A A
1G
1C3 1C2 1C1 1C0
1 2 3 4 5
6
STROBE B 1C3 1C2 1C1 1C0 OUTPUT
1G SELECT
DATA INPUTS
31 30 29 28 27 26 25
C BIT PA/PB
DETECT DETECT
SAMPLING
FREQUENCY
LOCK
X' TAL
DETECT
DATA
TIMING
DEMODULATOR
PLL
INPUT
CIRCUIT
4 5 6 7 8 9 10
OUTPUT
2Y
9
2Y
1Y
7
8
GND
1Y
24 AUDIO
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 Y
2
B B Y
3
Y
GND 4
STR-DB798
8 VCC
11 7 ST
11 6 SELECT
5 Y
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