Sony STR-DA4300ES Service Manual page 114

STR-DA4300ES
IC2223 SM5921AF-G
64 63 62
VDD
1
WCKI
2
BCKI 3
INPUT
DATA
DIA 4
INTERFACE
DIB 5
DIC 6
DID 7
SEQUENCER
BLOCK
XCS 8
SCLK 9
MCU
INTERFACE
SI 10
SIO
11
TEST2 12
TEST3 13
DMUTEN 14
RSTN 15
VSS 16
IC2230 TK11150CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1 2
114
61 60 59 58 57 56 55 54 53 52 51 50 49
ARITHMETIC
OPERATION BLOCK
ADDRESS
CONTROLLER
SDRAM
INTERFACE
OUTPUT
DATA
INTERFACE
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
4
3
IC2227 TC7WH157FU (TE12R)
48 VSS
47 DQ4
46 DQ5
45 DQ6
44 DQ7
43 WEN
GND 4
42 CASN
41 RASN
40 CSN
39 BA
38 A10
37 A0
36 A1
35 A2
34 A3
33 VDD
– TUNER Board –
IC8004 TK11133CSCL-G
IC8007 TK11150CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1 2
8
11 7
11 6
EN G
A 1 A Y 5
B 2 B Y
3
Y
4
–
+
3
VCC
ST
SELECT
Y