Sony STR-DB798 Service Manual

53
STR-DB798
IC1101 LC89056W-E
• IC Block Diagrams
– DIGITAL Board –
38
37
36
23
24
1 2 3 4
5
44
8 9 10
46
17
22
21
20
30
35
252627282932
3334
16
45
13
14
15
47
40
41
48
CL
39XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND DO CSFLAG F0 F1 F2 VF ERR9P BPSYNC ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42DGND
43DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
16 15 14
13 12
11
10
9
1
2
3
4 5
6
7
8
2G
2C3 2C2 2C1 2C0 2Y
VCC 2C3 2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
BBAA
BBAA
1G
1C3 1C2 1C1 1C0 1Y
STROBE
1G
B
SELECT
1C3 1C2 1C1 1C0 OUTPUT
1Y
GND
DATA INPUTS
IC1103 SN74HC153ANS IC1204 TC7WH157FU (TE12R)
SELECT
116
ST
117
A
1
2
3
A
B
Y
5
Y
B
GND
4
VCC
8
Y
EN G
Y

Sony STR-DB798 Specifications

General

Impedance	8 Ω
Supported radio bands	FM
Radio Data System (RDS)	Yes
Channels quantity	7 channels
I/O ports	Output(Component x 1, Optical Digital x 1, Composite x 1, S-Video x 1), Input(Component x 2, Optical Digital x 4, S-Video x 4, Coaxial Digital x 2, Composite x 4)