Sony CFD-F17CP Service Manual page 38

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