Sony ICF-DVD57TV Service Manual page 52

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