Read Sony CFD-S400 / CFD-S500 Service Manual online
37
CFD-S400/S500
A0
A1
A2
GND
VCC
WP
SCL
SDA
1K BIT EEPROM ARRAY
ADDRESS
DECODER
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
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
IC803 CAT24WC02JI-1.8-TE13 (MAIN Board)
IC301 TA2068N (TC Board)
IC303 BD3870FS-E2 (MAIN Board)
VIN1
VIN2
SEL2
SEL1
A1
A2
B1
B2
C1
C2
FILTER
GND
CAP
TNF1
TNF2
BNF2
BOUT2
BNF1
BOUT1
OUT1
OUT2
SI
SC
VCC
BASS1
f
0
=80Hz
BASS2
f
0
=80Hz
21
20
19
18
17
16
15
14
13
TREBLE2
f
0
=8kHz
22
TREBLE1
f
0
=8kHz
23
SURROUND
24
1
2
3
4
LOGIC
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
5
6
7
8
9
10
11 12
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