Sony KDL-32EX425 / KDL-46EX525 (serv.man2) Service Manual ▷ View online
33
KDL-32EX425/46EX525
KDL-32EX425/46EX525
HMS3
HMS3
1 | 2
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| 11
| 12
| 13
| 14
| 15
| 16
| 17
| 18
| 19
| 20
| 21
| 22
| 23
| 24
| 25
| 26
|
27 | 28 |
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
—
1 | 2
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| 11
| 12
| 13
| 14
| 15
| 16
| 17
| 18
| 19
| 20
| 21
| 22
| 23
| 24
| 25
| 26
|
27 | 28 |
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
—
R100
R101
R102
R103
R105
R106
R107
R108
R109
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R129
R130
R131
C102
C104
C108
D100
SE100
HFM001
> E P G W <
1 - 8 8 3 - 7 5 5 - 2 1
A - 1 7 9 2 - 5 1 1 - A
R 1
C1
B1
E1
C2
B2
E2
1
3
Q100
VDR100
R104
R110
R125
R126
R127
R128R132
R134
R135
R136
R137
R138
C100
C101
C103 C105
C106
C107
C109
C110
C111
JL100
JL103
D101
CN10
0
IC101
IC10
0
C1
B1
E1
C2
B2
E2
1
3
[MOTION SENSOR]
[MOTION SENSOR]
COMPONENT SIDE
CONDUCTOR SIDE
34
KDL-32EX425/46EX525
KDL-32EX425/46EX525
*
Items marked with an asterisk are not stocked since they
are seldom required for routine service. Expect some delay
when ordering these components.
when ordering these components.
RESISTORS
• All resistors are in ohms
• F : nonfl ammable
• All variable and adjustable resistors
• All resistors are in ohms
• F : nonfl ammable
• All variable and adjustable resistors
have characteristic curve B, unless
otherwise noted.
otherwise noted.
REF. NO.
PART NO.
DESCRIPTION
VALUES
When ordering parts by reference
number, please include the board name.
REF. NO.
PART NO.
DESCRIPTION
VALUES
NOTE: The components identifi ed by shading
and
and
!
mark are critical for safety. Replace only
with part number specifi ed.
NOTE: The components identifi ed by a red outline and a mark
contain confi dential information. Specifi c instructions must be
adhered to whenever these components are repaired and/or
replaced.
See Appendix A: Encryption Key Components in the back of this
manual.
contain confi dential information. Specifi c instructions must be
adhered to whenever these components are repaired and/or
replaced.
See Appendix A: Encryption Key Components in the back of this
manual.
BATV
The parts on this page belong to the
following model only: KDL-32EX425
SECTION 2: ELECTRICAL PARTS LIST
C1409
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1410
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1411
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C1412
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1413
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1414
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1415
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1416
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1417
1-162-918-11
CERAMIC CHIP
18pF
5%
50V
C1418
1-164-856-81
CERAMIC CHIP
18pF
5%
50V
C1419
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1420
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1421
1-164-878-11
CERAMIC CHIP
150pF
5%
50V
C1422
1-114-807-11
CERAMIC CHIP
0.015
μF 10% 25V
C1423
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1424
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1425
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1426
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1427
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1428
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1429
1-164-874-11
CERAMIC CHIP
100pF
5%
50V
C1431
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1432
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1436
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1440
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1442
1-162-919-11
CERAMIC CHIP
22pF
5%
50V
C1443
1-164-858-11
CERAMIC CHIP
22pF
5%
50V
C1445
1-216-864-11
SHORT CHIP
C1447
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1449
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1450
1-162-923-11
CERAMIC CHIP
47pF
5%
50V
C1551
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1553
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1608
1-164-852-11
CERAMIC CHIP
12pF
5%
50V
C1611
1-164-868-11
CERAMIC CHIP
56pF
5%
50V
BATV
A-1811-203-B
BATV BOARD, COMPLETE
(KDL-32EX425
ONLY)
AFTER REPLACING THE MAIN BOARD OR THE LCD PANEL,
YOU MUST UPDATE THE SOFTWARE TO THE LATEST VERSION.
*
4-194-050-11 COVER
CAPACITOR
C1139
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1140
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1151
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1158
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1179
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1182
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1201
1-162-923-11
CERAMIC CHIP
47pF
5%
50V
C1203
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1204
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1205
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1206
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1207
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1208
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1209
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1214
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1215
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1216
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1220
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1400
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1402
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1403
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1404
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1406
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C1407
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1408
1-114-869-11
CERAMIC CHIP
2.2
μF 10% 6.3V
35
KDL-32EX425/46EX525
KDL-32EX425/46EX525
REF. NO.
PART NO.
DESCRIPTION
VALUES
REF. NO.
PART NO.
DESCRIPTION
VALUES
C1614
1-164-868-11
CERAMIC CHIP
56pF
5%
50V
C1615
1-164-852-11
CERAMIC CHIP
12pF
5%
50V
C1621
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1639
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1640
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C1650
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1651
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1653
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1654
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1655
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1656
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1657
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1658
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1659
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1660
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1661
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1662
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1663
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1664
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1665
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1666
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1668
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1669
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1671
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1672
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1707
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1708
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C1801
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1802
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1803
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1804
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1808
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1809
1-164-854-11
CERAMIC CHIP
15pF
5%
50V
C1812
1-164-866-11
CERAMIC CHIP
47pF
5%
50V
C1814
1-164-852-11
CERAMIC CHIP
12pF
5%
50V
C1817
1-164-866-11
CERAMIC CHIP
47pF
5%
50V
C1819
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C1820
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C1821
1-114-869-11
CERAMIC CHIP
2.2
μF 10% 6.3V
C1902
1-114-331-11
CERAMIC CHIP
4.7
μF 10% 10V
C1903
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C1905
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C1906
1-114-331-11
CERAMIC CHIP
4.7
μF 10% 10V
C1916
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C2013
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2014
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2019
1-114-869-11
CERAMIC CHIP
2.2
μF 10% 6.3V
C2020
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C2022
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C2400
1-164-874-11
CERAMIC CHIP
100pF
5%
50V
C2401
1-164-845-11
CERAMIC CHIP
5pF
0.25pF 50V
C2406
1-114-807-11
CERAMIC CHIP
0.015
μF 10% 25V
C2407
1-164-878-11
CERAMIC CHIP
150pF
5%
50V
C2408
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2409
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2410
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2411
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2412
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C2414
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C2416
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C2513
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C2517
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C2527
1-164-874-11
CERAMIC CHIP
100pF
5%
50V
C2528
1-164-874-11
CERAMIC CHIP
100pF
5%
50V
C2708
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C2709
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C2722
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C4000
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4001
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4002
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4003
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4008
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4009
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4010
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4011
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4027
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C4030
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C4031
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C4032 1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C4033
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C4034
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C4039
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C4041
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C4043
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4044
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4045
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4046
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4500
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4501
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
*
C4503
1-116-720-11
CERAMIC CHIP
10
μF 20% 6.3V
BATV
The parts on this page belong to the
following model only: KDL-32EX425
36
KDL-32EX425/46EX525
KDL-32EX425/46EX525
REF. NO.
PART NO.
DESCRIPTION
VALUES
REF. NO.
PART NO.
DESCRIPTION
VALUES
C4504
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4522
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C4593
1-114-807-11
CERAMIC CHIP
0.015
μF 10% 25V
C4594
1-114-807-11
CERAMIC CHIP
0.015
μF 10% 25V
C4601
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C4602
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
*
C4606
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
*
C4608
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
C4611
1-114-329-11
CERAMIC CHIP
0.47
μF 10% 50V
C4612
1-114-329-11
CERAMIC CHIP
0.47
μF 10% 50V
C4613
1-114-329-11
CERAMIC CHIP
0.47
μF 10% 50V
C4614
1-114-329-11
CERAMIC CHIP
0.47
μF 10% 50V
C5008
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C5011
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C5019
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C5021
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5023
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C5036
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C5037
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C5201
1-114-472-91
CERAMIC CHIP
0.001
μF 10% 2KV
C5252
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C5262
1-164-852-11
CERAMIC CHIP
12pF
5%
50V
C5263
1-164-852-11
CERAMIC CHIP
12pF
5%
50V
C5265
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C5267
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C5515
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5518
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5520
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5521
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C5522
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5524
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5534
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5536
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C5548
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C5553
1-114-130-11
CERAMIC CHIP
1
μF 10% 6.3V
C6004
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
* C6007 1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
*
C6008
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
C6009
1-114-813-11
CERAMIC CHIP
1
μF 10% 16V
C6010
1-114-331-11
CERAMIC CHIP
4.7
μF 10% 10V
C6011
1-114-802-11
CERAMIC CHIP
0.0033
μF 10% 50V
C6012
1-114-325-11
CERAMIC CHIP
0.1
μF 10% 25V
C6014
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6015
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6016
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6020
1-114-813-11
CERAMIC CHIP
1
μF 10% 16V
C6021
1-114-802-11
CERAMIC CHIP
0.0033
μF 10% 50V
*
C6022
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
*
C6023
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
C6024
1-114-325-11
CERAMIC CHIP
0.1
μF 10% 25V
C6025
1-116-080-11
CERAMIC CHIP
22
μF 10% 10V
C6026
1-116-080-11
CERAMIC CHIP
22
μF 10% 10V
C6028
1-112-064-11
CERAMIC CHIP
2.2
μF 10% 10V
*
C6031
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
*
C6032
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
C6033
1-114-325-11
CERAMIC CHIP
0.1
μF 10% 25V
C6034
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6035
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
*
C6041
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
*
C6042
1-116-716-11
CERAMIC CHIP
10
μF 10% 16V
C6043
1-114-325-11
CERAMIC CHIP
0.1
μF 10% 25V
C6044
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6045
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6055
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6059
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6060
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C6062
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C6063
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6067
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6069
1-112-777-11
CERAMIC CHIP
0.01
μF 10% 25V
C6071
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6072
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C6077
1-100-909-11
CERAMIC CHIP
10
μF 10% 6.3V
C6079
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6080
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6083
1-114-332-11
CERAMIC CHIP
22
μF 10% 6.3V
C6084
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C6101
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C6102
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C6103
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C6104
1-114-331-11
CERAMIC CHIP
4.7
μF 10% 10V
C6111
1-100-905-11
CERAMIC CHIP
0.001
μF 10% 50V
C7015
1-164-845-11
CERAMIC CHIP
5pF
0.25pF 50V
C7017
1-100-916-11
CERAMIC CHIP
0.1
μF 10% 16V
C7018
1-116-151-11
CERAMIC CHIP
0.001
μF 2% 50V
C7019
1-116-151-11
CERAMIC CHIP
0.001
μF 2% 50V
C7021
1-164-874-11
CERAMIC CHIP
100pF
5%
50V
C7024
1-112-780-11
CERAMIC CHIP
0.47
μF 10% 16V
C7026
1-112-780-11
CERAMIC CHIP
0.47
μF 10% 16V
C7027
1-112-780-11
CERAMIC CHIP
0.47
μF 10% 16V
BATV
The parts on this page belong to the
following model only: KDL-32EX425
Click on the first or last page to see other KDL-32EX425 / KDL-46EX525 (serv.man2) service manuals if exist.