Read Sony NW-MS77DR Service Manual online
19
NW-MS77DR
– MAIN Board –
IC301 NJM2776RB2 (TE2)
IC731 RS5C348A-E2-FB
1
2
3
4
5
10
9
6
7
V+2
O
OUT1
IN1
STANDBY
V+1
VREF
OUT2
GND
STANDBY
8
IN2
BIAS
REG
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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