IC805 CAT24WC02WI-1.8-TE13 (MAIN Board (2/2))
1
GND
7BIT
ADDRESS
DECODER
GND
2
GND
3
CONTROL CIRCUIT
HIGH VOLTAGE
GND
4
OCCURENCE CIRCUIT
IC302 PT2257-S (MAIN Board (1/2))
L-IN
L-OUT
8
7
VR 2
VOL AMP 2
VOL AMP 1
REF AMP
VR 1
1
2
R-IN
R-OUT
IC301 TA2068N (TC Board)
AGC
1
L.PO
2
NAB
AMP1
BUF AMP
L.NF
3
A1
REC
AMP1
L.RO
4
26dB
L.IN
5
REF
6
REF
AMP
GND
7
2.1
REC
R.IN
8
AMP2
R.RO
9
26dB
R.NF
10
NAB
AMP2
R.PO
11
BUF AMP
MIC
A2
AMP1
MIC.NF
12
1K BIT EEPROM ARRAY
8BIT
SLAVE • WORD
DATA
ADDRESS
7BIT
REGISTER
REGISTER
START
STOP
ACK
POWER SUPPLY
VOLTAGE DETECTION
VDD
CLK
6
5
VREF
LOGIC
CONTROL
3
4
GND
DATA
LINE
TAPE
RADIO
MONITOR
BUF AMP
MUTE
AMP
B1
ON
7dB
LOGIC
ON
7dB
BUF AMP
B2
MONITOR
MUTE
AMP
RADIO
TAPE
LINE
CFD-S350/S350L
8
VDD
7
GND
6
SCL
SDA
5
L.LIN
24
23
MIC I/EX
22
L.RAD
21
REC
20
L.LO
19
VCC
18
R.LO
17
LINE
16
R.RAD
15
TAPE
14
R.LIN
13
MIC
41