Sony NW-MS90D Service Manual ▷ View online
NW-MS90D
17
17
5-9. SCHEMATIC DIAGRAM – POWER SECTION –
CN502
CN501
C503
C504
C507
C511
C512
C514
C524
R504
R505
R506
R507
R508
R509
R510
R511
R512
R537
D502
L502
TP504
R516
R517
R518
R519
R520
R535
R536
R513
C513
R515
C508
D501
L501
100
µH
100
µH
Q501
Q502
Q504
Q503
20P
2P
0.1
0.1
1
47
10V
47
10V
47p
10
6.3V
22k
0.5%
0.5%
470k
100k
1M
1M
470k
220k
VDR510
330k
0.5%
0.5%
2.2M
2.2M
RSX101M-30
100k
100k
47k
220k
470k
2.2M
100k
220k
33p
470k
1
RSX101M-30
XP4601-TXE
BUFFER
3LN01S-TL
POWER
SWITCH
XP151A12A2MR
SWITCHING
XP151A13A0MR
SWITCHING REG.
1
5
10
15
20
VCORE
REG CE
VDD CORE
VIO
BATT SENS
BATT+
BATT+
BATT+
VIO
VDD CORE
XPWM
ULOW BATT
NC
GND
BATT-
BATT-
BATT-
GND
GND
GND
VDD
VSS
CE
CE
VOUT
ECO
CE
VDD
FB
VSS
EXT
CE
VDD
FB
VSS
EXT
VOUT
VSS
VDD
NC
IC501
S-80809CNBB-B9N-TF
IC502
XC9105D091MR
XC9105D091MR
IC503
IC504
R1160N121B-TR-FA
BATTERY
(NI-MH)
RECHARGEABLE
DETECT
BATTERY LEVEL
SWITCHING REG.
SWITCHING REG.
+1.2V REG.
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
(Page 11)
NW-MS90D
18
18
5-10. PRINTED WIRING BOARD – POWER SECTION –
: Uses unleaded solder.
12
(12)
1-686-630-
12
(12)
1-686-630-
(SIDE A)
(SIDE B)
POWER BOARD
POWER BOARD
R535
R520
R537
R516
R517
R510
R507
R506
R512
R504
C507
C503
C504
R519
R518
R536
R505
R513
R515
C514
C513
G
S
D
C B E
Q501
E B C
IC501
Q503
G
S
D
Q504
D501
D502
VDR510
IC503
IC504
1
1
3
3
4
4
5
IC502
1
3
4
5
5
1
2
3
4
4
C524
2
20
1
19
CN502
B
MAIN
BOARD
(Page 12)
R511
R508
R509
C508
C511
C512
L502
L501
1
2
CN501
RECHARGEABLE
BATTERY
NI–MH
Q502
BCE
2
3
4
5
A
1
B
C
D
• Semiconductor
Location
Ref. No.
Location
D501
B-2
D502
C-2
IC501
A-2
IC502
B-2
IC503
C-2
IC504
C-2
Q501
A-2
Q502
A-3
Q503
B-2
Q504
B-2
19
NW-MS90D
– 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
20
NW-MS90D
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
SECTION 6
EXPLODED VIEWS
6-1.
CASE SECTION
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories are
given in the last of this parts list.
given in the last of this parts list.
• Abbreviation
KR
: Korean model
HK
: Hong Kong model
JE
: Tourist model
23
24
25
22
22
15
14
13 29
27
not supplied
12
11
10
30
9
8
7
7
6
5
4
3
1
2
18
31
26
21
20
19
16
17
1
3-248-470-11 COVER (HP), PLUG
2
8-912-717-91 RECEIVER MDR-EX051SP1 (EXCEPT US)
2
8-953-218-94 RECEIVER MDR-E838SP (US)
3
3-248-478-02 SLEEVE (HP)
4
3-247-207-01 COVER (VOL)
5
3-247-204-01 KNOB (VOL)
6
3-247-198-01 CASE (U) (US)
6
3-247-198-11 CASE (U) (EXCEPT US)
7
3-247-199-02 SHEET (CASE), ADHESIVE
8
3-247-197-01 CHASSIS (U)
9
X-3383-351-1 PLAY UNIT ASSY
10
3-247-202-01 SHEET (WINDOW), ADHESIVE
11
3-247-200-01 WINDOW
12
3-247-203-02 HOLDER, LCD
13
1-805-082-11 DISPLAY PANEL, LIQUID CRYSTAL
* 14
A-3347-278-A LCD PC BOARD ASSY
15
3-247-195-01 BUMPER, HOLD
16
3-247-206-01 ARM (VOL)
17
3-247-205-01 SPRING (VOL), TORSION
18
1-824-813-11 CABLE, FLEXIBLE FLAT (20 CORE)
19
A-3229-820-A BUTTON (MENU) ASSY
20
3-247-184-01 PROTECTOR (US)
20
3-247-184-11 PROTECTOR (EXCEPT US)
21
3-247-187-01 BUTTON (SOUND)
22
3-225-996-11 SCREW (M1.4) (EG), PRECISION PAN
23
3-245-813-12 CASE (R) (EXCEPT US)
23
3-245-813-31 CASE (R) (US)
24
3-247-192-01 SHEET (MS), ADHESIVE
25
A-3229-821-A BUTTON (MS) ASSY
26
3-252-980-01 SHEET (PMS), ADHESIVE
27
1-805-081-12 ELEMENT, EL
29
3-252-983-01 CUSHION (EL)
30
3-247-211-01 SHAFT (PLAY)
31
3-046-415-21 PIECE (L), EAR (EXCEPT US)
31
4-220-438-21 PIECE (M), EAR (EXCEPT US)
31
4-220-439-21 PIECE (S), EAR (EXCEPT US)
Ver 1.1
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