Read Sony NW-MS6 Service Manual online
27
NW-MS6
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1001
RV5C348A-E2
1
2
3
4
5
10
9
8
7
6
VDD
OSC IN
OSC OUT
CE
/INTR
32K OUT
SCLK
SO
SI
VSS
ALARM W REGISTER
(WEEK,MIN,HOUR)
ALARM D REGISTER
(MIN,HOUR)
32KHz
OUTPUT
CONTROL
TIME COUNTER
(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)
SHIFT REGISTER
INTERRUPT CONTROL
VOLTAGE
DETECT
DIVIDER
CORRECTION
DIV
OSC
COMPARATOR W
COMPARATOR D
ADDRESS
REGISTER
ADDRESS
DECORDER
OSC
DETECT
I/O
CONTROL
IC5000
MBM29LV400BC-90PBT-SJDE1-4
37
WRITE
CIRCUIT
ERASE
CIRCUIT
RY/BY
BUFFER
LOW VOLTAGE
DETECT CIRCUIT
WRITE/ERASE
PULSE TIMER
PULSE TIMER
ADDRESS LATCH
X
DECOCER
Y
DECOCER
4,194,304
CELL
MATRIX
Y GATE
DATA
LATCH
I/O
BUFFER
CONTROL CIRCUIT
COMMAND
REGISTER
38
39
40
24
23
22
21
41
42
43
20
19
18
44
45
46
47
48
4 5
1 2 3
11 12
8
7
6
9 10
36 35 34 33
32
31
30 29
28 27
26
25
17
STB
STB
CHIP ENABLE/
OUTPUT ENABLE
CIRCUIT
16
15
14
13
A1
A0
A3
A4
A2
A6
A5
V
SS
OE
CE
A7
A17
DQ3
DQ11
DQ10
DQ2
NC
NC
NC
RY/BY
DQ1
DQ9
DQ8
DQ0
A11
A10
A8
A9
DQ4
VCC
DQ12
DQ5
NC
NC
RESET
XWE
DQ7
DQ14
DQ13
DQ6
A13
A12
A14
A15
A16
BYTE
DQ15/A-1
VSS
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