Sony NW-MS9 Service Manual ▷ View online
27
NW-MS9
• 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
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
28
NW-MS9
IC5600
HY62UF16201ALLF-85I
IC5800
SN74LV139APWR
36
38
30 29 28 27 26 25
35
32 31
33
34
ADDRESS
BUFFER
ADDRESS
BUFFER
37
39
40
ADDRESS
BUFFER
BLOCK
DECODER
DATA I/O
BUFFER
ROW
DECODER
COLUMN
DECODER
23
24
22
20
41
42
21
19
18
17
16
15
14
13
PRE DECODER
SENSE
WRITE DRIVER
MEMORY ARRAY
128k x 16
43
44
45
46
47
48
1
2 3
4
5
6 7
8
9
10
11 12
BLE
I/O8
I/O9
VSS
VCC
I/O14
I/O15
NC
OE
BHE
I/O10
I/O11
A12
A9
A14
NC
NC
A5
A3
A0
A8
NC
I/O13
I/O12
I/O
3
A15
A16
A7
A6
A4
A1
I/O1
A10
A13
A2
CE
I/O5
I/O4
WE
A11
NC
I/O0
I/O2
VCC
VSS
I/O6
I/O7
NC
8
15
16
10
14 13 12 11
G
A
B
Y0 Y1 Y2 Y3
9
6
7
4
5
2
3
1
G
A
B
Y0 Y1 Y2 Y3
VCC
2G (ENABLE)
2Y0
2Y1
2Y2
2Y3
2A
2B
1Y0
1Y1
1Y2
1Y3
1A
1B
GND
1G (ENABLE)
SELECT DATA OUTPUTS
SELECT DATA OUTPUTS
IC6000
XC62GR3312MR
+
–
–
3
OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2
5
CURRENT
LIMIT
VSS
VIN
CE
NC
VOUT
IC6002
CXK2000EN-T2
3
DI
4
DO
1
2
7
6
5
8
VREF
ADD
BUFFERS
DATA
REGISTER
16
16
R/W AMPS
&
AUTO ERASE
EEPROM
16384BIT
1024 X 16
GND
RESET
VCC
INSTRUCTION
REGISTER
DECODER
VPP SW
INSTRUCTION
DECODE
CONTROL
&
CLOCK
GENERATION
VPP
GENERATOR
CS
SK
RDY/BUSY
29
NW-MS9
IC9001
XC6368A281MR
+
–
–
1
2
3
+
–
–
VREF WITH
SOFT START,
CE
RAMP WAVE
GENERATOR,
OSC
PWM/PFM
CONTROLLER
PHASE
COMPENSATION
BUFFER,
DRIVER
5
4
VOUT
VDD
CE
GND
EXT
ERROR
AMP
PWM
COMPARATOR
IC9004
XC6365A183MR
PWM/PFM
CONTROLER
PHASE
COMPENSATION
VREF WITH
SOFT START,
CE
RAMP WAVE
GENERATOR,
OSC
+
–
+
–
–
1
2
5
4
3
EXT/
VDD
GND
FB
CE
BUFFER,
DRIVER
PWM
COMPARATOR
ERROR AMP
IC9005
MPC18A41FCR2
42
43
44
PWM
POWER
SWITCH1
STEP-UP
PRE DRIVER
STEP-UP
DC/DC
CONVERTER
+
–
–
+
–
+
–
+
–
41
40
39
38
37
36
35
34
33
32
VC
VG
VC
VC
VC
VC
VLG
XRST
(INT)
(INT)
45
46
47
48
49
50
51
BANDGAP
REFERENCE
SYSTEM
CONTROL
31
30 29
28
27
VG
VB
VC
PWM
START-UP
STEP-UP
PRE DRIVER
VG
VG
VB
VC
26
24
23
25
22
21
20
19
13 14
12
11
10
9
8
7
6
1
2 3 4 5
52
53
54
55
56
VB
VC
VG
VG
VB VC
18
17
16
15
FFCLR
POWER
SWITCH2
VSTB
VC
VB
PGND2
PGND2
L2
VLGG
VLGG1
VLGG
GND
VRMC
VSTB
VLGON
XWK1
XWK2
XWK3
XWK4
L1
RF1
INM1
DTC2
RF2
DTC1
INM2
PWM1
EXTSW
VG
LG
PGND2
L2
NC
VIF
VA
VAFB
VDFB
VIFFB
GND
VC
VCO
VC
VCOUT
L1
NC
PGND1
PGND1
NC
VD
VC2
XRST
CRST
RSTREF
VREF
VB
GND
CLKSEL
VAIFON
FFCLR
SLEEP
CLK
30
NW-MS9
IC9006
XC62HR1902MR
+
–
–
3
OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2
5
CURRENT
LIMIT
NC
VIN
CE
VSS
VOUT
IC3200
TA2131FL (EL)
– SUB Board –
IC3100
AK4352VT-E2
SERIAL
INPUT
INTERFACE
CLOCK DIVIDER
15
VCML
14
AOUTL
13
11
LPF
12
10
VDD
VREF
VCMR
AOUTR
9
VSS
CKS
16
2
3
4
6
5
7
8
XPD
BLCK
DEM
DIF1
DIF0
SDATA
LRCK
MCLK
1
LPF
∆ Σ
MODULATOR
∆ Σ
MODULATOR
8X
INTERPOLATOR
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
V REF
MT
SW
BST
SW
BEEP
19
20
21
22
23
24
18
17
16
15
14
13
PW
SW
SW
12
11
10
8
7
BST1
9
BST2
6
5
4
3
2
1
BST
AGC
PW
B
PW
A
ADD
MT TC
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2
OUTA
PWR
GND
OUTB
DET
A
GC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
BST SW
MT SW
PW SW
Click on the first or last page to see other NW-MS9 service manuals if exist.