Sony NW-MS70D Service Manual page 19

• IC BLOCK DIAGRAM
IC301 NJM2776RB2 (TE2)
V + 2
1 O
OUT1
2
IN1 3
STANDBY 4
BIAS
REG
V + 1
5
IC731 RS5C348A-E2
32 kHz
32KOUT 1
OUTPUT
CONTROL
SCLK
2
SO 3
I/O
CONTROL
SI 4
VSS 5
GND
10
9 OUT2
8 IN2
STANDBY
7
VREF
6
ALARM W REGISTER
COMPARATOR
(WEEK, MIN, HOUR)
W
ALARM D REGISTER
COMPARATOR
(MIN, HOUR)
D
TIMER COUNTER
SEC, MIN, HOUR, WEEK,
DIV
DAY, MONTH, YEAR
ADDRESS ADDRESS
DECODER
REGISTER
SHIFT
INTERRUPT
REGISTER CONTROL
VOLTAGE
DETECT
VDD
10 VDD
9 OSCIN
DIVIDER
OSC
CORRECTION
8 OSCOUT
OSC
DETECT
7 CE
6 INTR
NW-MS70D
19