Read Sony ICD-47 Service Manual online
ICD-47
10
10
• IC Block Diagrams
IC101
MC145481SDR2
+
–
–
8
13
1
2
20
0.886 V
REF
H. P. F.
SEQUENCE
AND
CONTROL
SHARED
DAC
DAC
ADC
RECEIVE SHIFT
REGISTER
TRANSMIT SHIFT
REGISTER
VAG REF
RO–
4
PO–
3
PI
6
VDD
5
PO+
DR
9
BCLKR
10
PDI
7
FSR
DT
12 BCLKT
11 MCLK
14 FST
15 VSS
16 MU/A
VAG
19 TI+
18 TI–
17 TG
1
VDD
VSS
CUT OFF
FREQUENCY: 200 Hz
FREQUENCY: 200 Hz
L. P. F.
CUT OFF
FREQUENCY: 3.4 kHz
FREQUENCY: 3.4 kHz
L. P. F.
CUT OFF
FREQUENCY: 3.4 kHz
FREQUENCY: 3.4 kHz
–
+
+
–1
IC102
NJM2076M (TE2)
INVA IN
NON INVB IN
BASE B
BASE A
A OUT
VSS
B OUT
2
VDD
3
1
4
7
6
5
8
POWER
AMP
POWER
AMP
IC106
XC25BS5001MR
3
4
1
2
6
Q1
VDD
CLKIN
CE
Q0
5
VSS
1
2
2
1
4
4
11 BIT PLL
(
×
N)
IC107
AN6123MS-TXL
GM
5
DET
3
IN
4
GND
2
DET
1
VCC
DET
IC501
XC6372C331PR
IC502
XC6372D351PR
NC
VOUT
CE
VSS
LX
2
1
3
4
5
VLX
LIMITER
PWM/PFM
CONTROL
OSC 100kHz
BUFFER
PHASE
COMPARATOR
REFERENCE
VOLTAGE
CHIP
ENABLE
SLOW
START
+
–
VDD
IC503, 506
XC62GR3312MR
+
–
–
3
OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2
5
CURRENT
LIMIT
VSS
VIN
CE
NC
VOUT
IC703
RS5C348A-E2
VDD
VDD
OSCIN
OSCOUT
CE
/INTR
32KOUT
SCLK
SO
SI
VSS
32 kHz
OUTPUT
CONTROL
COMPARATOR
W
COMPARATOR
D
ADDRESS
REGISTER
I/O
CONTROL
ADDRESS
DECODER
DECODER
SHIFT
REGISTER
INTERRUPT
CONTROL
OSC
DETECT
VOLTAGE
DETECT
ALARM W REGISTER
(WEEK, MIN, HOUR)
ALARM D REGISTER
(MIN, HOUR)
DIV
OSC
DIVIDER
CORRECTION
9
10
8
7
6
2
3
4
5
1
TIMER COUNTER
SEC, MIN, HOUR, WEEK,
DAY, MONTH, YEAR
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