Sanyo DC-DV610KR Service Manual page 65

IC BLOCK DIAGRAM & DESCRIPTION
IC550 LE28C1001ATS-90-MPB(Flash Memory)
A16~A0 10~20
CE
OE
WE
A11
A13
A14
A16
A15
A12
IC231 LA1844ML(AM/FM-ZF/MPX)
X-
Address
Decoder
Buffers
&
Latches
30
32
Control Logic
7
1
A9
2
A8 3
4
5
NC
6
WE
7
Vcc 8
NC
9
10
11
12
A7 13
A6
14
A5 15
A4
16
24 23 22 21
ALC
AM
AM
AM
MIX RF.AMP
OSC
BUFF
LEVEL
AM/FM
DET
IF
S-CURVE
BUFF
FM
FM
IF
DET
REG
1 2 3 4
1,048,576 bit
Super Flash
EEPROM
Cell Array
Y-Decoder
I/O Buffers &
Data Latches
29~25,23~21
DQ7~DQ0
32 Pin TSOP Normal
(Top View)
20 19 18 17
AGC
P-DET
AM
AM
DET
IF
COMP
TUNING
DRIVE
GND
5 6 7
- 77 -
Pin Name
A16-A0 Address Inputs
DQ7-DQ0 Data Input/Output
CE Chip Enable
OE Output Enable
WE Write Enable
Vcc Power Supply
Vss Ground
NC No Connection
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16 15 14
PILOT
DECODER
CANCEL
ANTI-BIRDIE
STEREO
SW
VCO FF FF FF
38k
304kHz 19k 19k
2
VCC
8 9 10 11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
Vss
DQ2
DQ1
DQ0
A0
A1
A2
A3
13
PILOT
DET
12