Sony CFD-F10 Service Manual page 37

IC805 BR24L01AF-WE2 (MAIN Board)
A0 1
7BIT
ADDRESS
DECODER
A1 2
A2
3
CONTROL CIRCUIT
HIGH VOLTAGE
GND
4
OCCURENCE CIRCUIT
IC302 PT2257-S (MAIN Board)
VIN2 VOUT2
8 7
VR 2
VOL AMP 2
VOL AMP 1
REF AMP
VR 1
1 2
VIN1 VOUT1
IC301 TA2068N (TC Board)
AGC 1
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
1K BIT EEPROM ARRAY
8BIT
SLAVE • WORD
DATA
ADDRESS
7BIT
REGISTER
REGISTER
START STOP
ACK
POWER SUPPLY
VOLTAGE DETECTION
VCC CLOCK
6 5
VREF
LOGIC
CONTROL
3 4
GND DATA
LINE
24
23
TAPE
RADIO
22
21
MONITOR
BUF AMP
MUTE
AMP
B1
20
7dB
ON
LOGIC
19
ON
7dB
BUF AMP 18
B2
MONITOR
MUTE
AMP
17
RADIO
16
TAPE
15
14
LINE
13
CFD-F10/F10L
8
VCC
7
WP
6 SCL
SDA
5
L.RAD
MIC I/EX
L.LINE
REC
L.LO
VCC
R.LO
LINE
R.LINE
TAPE
R.RAD
MIC
37