Read Sony NW-MS7 (serv.man3) Service Manual online
– 3 –
– 4 –
NW-MS7
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
R743
JC768
R723
R732
R504
R513
Q504
R511
Q508
R519
R518
R503
R718
R754
JC707
R724
R372
R736
R101
R109
R553
R708
R551
R757
R727
Q705
Q715
R554
Q302
Q802
Q601
IC710
Q803
D807
Q804
Q303
Q305
R818
R816
R809
R808
R819
R811
R821
R820
R826
R406
R815
R814
R817
R404
R810
R813
R812
R812
R552
R201 R209
JC757
JC769
JC758
R705
R703
R301
R747
R719
R720
R748
JC702
R713
R749
R739
R715
R742
R721
R912
R744
C757
R913
R910
R725
R737
R737
R704
R722
R734
R999
JC808
JC806
R733
R741
R735
JC703
JC711
C779
C720
C780
C749
C724
C751
C711
C753
C370
C308
FB501
C723
C767
C903
C504
D511
D510
C771
C765
C773
C752
C750
C745
C303
C209
C109
11
15
IC301
20
10
1
5
C551
C728
C802
C801
C800
C406
C409
Q507
Q506
C408
C807
Q801
C810
C803
C407
C405
C410
C402
C404
C401
C806
C808
C403
C700
C716
C717
C772
C774
CN501
C712
C770
C746
C721
C732
C729
IC702
*
*
*
IC706
IC703
C761
C102
C503
C726
L707
C550
C302
D802
D801
C104
C304
L301
C204
C202
X704
X702
1
5
10
12
36
37
40
45
48
35
30
25
IC704
IC701
13
15
15
20
24
CN706
CN703
1
4
8
5
3
1
2
4
5
10
1
1
4
3
2
5
CN701
IC505
IC504
1
5
2
6
10
9
20
16
15
19
24
23
1
RECHARGEABLE
BATTERY
(LITHIUM-ION)
DC IN 3.7V
5
7
1
4
IC503
8
5
1
2
5
6
9
10
15
16
19
20
D503
C
E
B
D
S
B E
C
C
C
B
E
B
E
B
G
S
D
G
C
B
E
C
C
C
B
E
Q910
Q911
C
C
B
B
E
E
B
E
E
B
C
B
E
1
2
2
5
3
4
B
E
C
C
E
B
B
E
C
S
G
D
EJECT
MECHANISM
BLOCK
1-675-321-
HP
BOARD
CN705
2
CN
BOARD
CN901
1
04
MAIN BOARD (COMPONENT SIDE)
12
(12)
2. PRINTED WIRING BOARD — MAIN BOARD —
(Page 37)
(Page 37)
surface
•
Note for replacing the parts of the main board:
IC702 and IC705 should be replaced at the same time.
IC702 and IC705 should be replaced at the same time.
•
Main board is six-layer printed board.
However, the patterns of layers 2 to 5 have not been
included in this diagrams.
However, the patterns of layers 2 to 5 have not been
included in this diagrams.
*
Replacement of IC701, 702 and 703 on
main board requires a special tool.
•
Lead Layouts
Comon note on Printed Wiring Boards:
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Lead layout of conventional IC CSP (chip size package)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Comon note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 5.5 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground in
playback mode.
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: ANALOG
J
: DIGITAL
*
Replacement of IC701, 702 and 703 on
main board requires a special tool.
• The voltages and Waveform of CSP (chip size package)
cannot be measured, because its lead layout is different
from that of conventional IC.
from that of conventional IC.
• (
) : Page of service manual
((
)) : Page of service manual supplement-2
• (
) : Page of service manual
Ref. No.
Location
D503
D-7
D510
D-10
D511
E-10
D801
D-13
D802
E-12
D807
E-13
IC301
B-8
IC503
E-7
IC504
E-7
IC505
E-9
IC701
E-4
IC702
C-4
IC703
C-6
IC704
E-3
IC706
B-4
IC710
C-12
• Semiconductor Location
Ref. No.
Location
Q302
B-11
Q303
B-11
Q305
B-11
Q504
D-9
Q506
D-10
Q507
D-11
Q508
E-9
Q601
C-12
Q705
B-12
Q715
B-12
Q801
D-13
Q802
C-13
Q803
C-13
Q804
E-12
Q910
B-3
Q911
B-3
– 5 –
– 6 –
NW-MS7
• Refer to page 3 for Comon note on Printed Wiring Board.
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
x
C741
S802
S801
CN702
IC705
4
1
S
G
D
B
E
C
3
4
2
1
25
30
35
40
48
45
24
IC708
20
15
10
1
5
1
IC506
3
2
5
4
E
B
C
5
1
S804
MENU
S701
(EJECT)
S805
S805
S803
S804
S806
HOLD
S802
S801
S803
DISPLAY
10
15
20
22
5
8
R517 R520
R523
R525
R803
R502
D501
D506
Q503
D505
IC502
D703
D704
R740
R709
R758
R512
R911
R802
R807
R801
R806
R804
Q505
R805
R516
R505
Q501
R501
D512
X701
R510
C512
D507
JC790
JC759
C718
JC754
JC721
JC720
JC791
R902
R509
R506
C742
C902
D504
R526
R508
C508
C505
C804
R514
C702
R515
JC805
R729
R521
Q511
Q512
IC508
L703
C511
D509
C703
C502
Q502
C507
L502
C510
C501
C706
C747
C731
C743
R746
R782
RB701
RB702
RB703
R783
R780
R781
JC809
R550
R707
C758
C901
C707
R701
R700
R712
Q711
Q701
R756
R717
R731
R710
R706
D702
D701
Q708
C762
R714
R716
JC742
R726
R771
IC707
IC714
R772
R745
C756
C705
X706
C704
C737
IC712
IC711
L708
C730
L702
C714
C778
IC713
C736
C710
C735
FB701
C715
C759
C754
C755
C766
D508
IC507
D502
Q510
FB502
C701
C509
L501
TP501
TP502
C513
C506
C764
C910
L701
C713
C748
L705
Q509
Q709
S
G
G
S
Q713
S
D
G
Q703
E
C
OFF ON
B
C
B
E
D
4
5
3
2
1
1
2
4
3
1
2 3
1
2 3
6
5 4
6
5 4
G
S
D
D
D910
Q702
LCD701
LIQUID
CRYSTAL
DISPLAY
PANEL
LCD
BACK
LIGHT
UNIT
G
S
1
1
2
3
4
5
4
5
1
1
2
3
2
3
5
4
2
3
2
3
5
4
G
S
D
S
D
G
E
C
B
D
MAIN BOARD (CONDUCTOR SIDE)
1-675-321-
12
(12)
VOLUME
04
1
2
4
3
Ref. No.
Location
D501
C-10
D502
C-7
D504
E-6
D505
D-7
D506
D-7
D507
C-8
D508
C-6
D509
C-9
D512
D-7
D701
D-2
D702
C-2
D703
D-2
D704
E-3
D910
B-9
IC502
D-7
IC506
D-11
IC507
C-7
IC508
C-11
IC705
B-12
IC707
D-2
• Semiconductor Location
Ref. No.
Location
IC708
D-5
IC711
C-3
IC712
C-3
IC713
C-3
IC714
E-2
Q501
E-7
Q502
E-7
Q503
D-7
Q505
E-10
Q509
B-9
Q510
D-7
Q511
C-10
Q512
C-9
Q701
B-2
Q702
D-2
Q703
B-6
Q708
E-2
Q709
B-8
Q711
C-2
Q713
B-7
