52
ICF-DVD57TV
IC709
BR24L16FV-WE2
1
2
3
4
5
7
8
A0
A1
A2
GND
Vcc
WP
SCL
SDA
16kbit EEPROM ARRAY
11bit
8bit
ADDRESS
DECODER
SLAVE/ WORD
ADDRESS REGISTER
HIGH–VOLTAGE
GENERATOR
POWER SUPPLY
VOLTAGE DETECTOR
DATA
REGISTER
ST
AR
T
STOP
ACK
CONTROL CIRCUIT
6
11bit
– TU Board –
IC1
TA2149BN
RF GND
3
2
1
IF REQ
AM
MIX
FM RFIN
AM LOW CUT
5
4
MIX OUT
VCC
AM IF IN
8
7
6
FM IF IN
GND
10
9
AGC
QUAD
12
11
R-OUT
L-OUT
FM RFOUT
22
23
24
20
21
17
18
19
15
16
13
14
AM RFIN
RF VCC
FM OSC
ST LED
OSC OUT
AM OSC
IF REQ
LPF1
MPX IN
DET OUT
LPF2
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
1/1 OR
1/16
