38
CFD-F17CP
IC304, 305 BA5417
STANDBY
T.S.D.
BS
FILTER
PRE GND2
PRE GND1
NF2
IN2
IN1
NF1
FIL
TER
STBY
POWER GND
BS1
OUT1
VCC
OUT2
10
3 4 5
6
BS
BS2
2
NC
1
8
9
7
11 12
13
14 15
+
–
+
–
A0
A1
A2
GND
VCC
WP
SCL
SDA
1K BIT EEPROM ARRAY
ADDRESS
DECODER
HIGH VOLTAGE
OCCURENCE CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
DATA
REGISTER
SLAVE • WORD
ADDRESS
REGISTER
CONTROL CIRCUIT
7
6
5
8
1
2
3
4
7BIT
8BIT
7BIT
START
STOP
ACK
IC802 BR24L01AF-WE2
1
2
3
6
9
10
11
12
8
7
4
5
22
TAPE
TAPE
TAPE
BUF AMP
A1
BUF AMP
A2
NAB
AMP1
NAB
AMP2
23
24
15
14
13
21
20
17
16
RADIO
BUF AMP
B1
BUF AMP
B2
MUTE
MUTE
ON
ON
ON
7dB
26dB
26dB
MONITOR
AMP
LOGIC
18
19
MUTE
7dB
MONITOR
AMP
LINE
TAPE
RADIO
LINE
ALC2
ALC1
DET
REC
AMP1
REC
AMP2
2.1
REF
AMP
MIC
AMP1
VCC
R.LO
LINE
R.LINE
TAPE
R.RAD
MIC
L.LO
REC
L.LINE
MIC I/EX
L.RAD
AGC
L.PO
L.NF
L.RO
L.IN
REF
GND
R.IN
R.RO
R.NF
R.PO
MIC.NF
—TC Board —
IC301 TA2068N