Ic Block Diagrams - Sony STR-K650P Service Manual

3-16. IC Block Diagrams

IC1101 LC89056W-E (DIGITAL BOARD)
XSEL
MODE0
MODE1
DGND
DVDD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
IC501 STK350-230 (MAIN BOARD)
TR1
INPUT 1
TR2
NF 2
3
4
-VEOUT 5
+VEOUT 6
R4
TR5
7
V
SS
GND
8
D1 D2 R5
V 9
CC
R9
TR8
36 35 34
CE 37
CL 38
MICROCOMPUTER
INTERFACE
39
40
MODE
SELECT
41
42
43
44
45
46
47
SYSTEM
48
RESET
1 2 3
TR3 R1
TR4
R2
R6
TR7
TR6
R3
D4 D3
R8 R7
33 32 31 30 29 28 27 26 25
C BIT PA/PB
DETECT DETECT
SAMPLING
FREQUENCY
LOCK
CLOCK
DETECT
DATA
TIMING
DEMODULATOR
PLL
INPUT
CIRCUIT
4 5 6 7 8 9 10
IC701, IC702 µPC2581V-S (MAIN BOARD)
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
2 3 4 5 6
1
IC101 MC74ACT08N (DISPLAY BOARD)
1A
1
1B
2
1Y 3
2A 4
2B
5
6
2Y
GND
7
STR-K650P
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
PRE
DRIVE
DRIVE
7 8 9 10 11 12 13 14 15
VCC
14
13 4B
4A
12
11
4Y
10
3B
9 3A
3Y
8
23