Dell D1626HT - UltraScan 1600HS - 21" CRT Display Service Manual - Page 24
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D1626HT
— D BOARD (Conductor Side) —
5
4
3
A
B
C
D
E
F
G
• b
b
b
b
b
: Pattern from the side which enables seeing.
• b
b
b
b
b
: Pattern of the rear side.
– 30 –
2
1
D1626HT
• D BOARD SEMICONDUCTOR LOCATION
(d)
IC
D012
G–2
7
-COM,
7
D013
G–2
(
Conductor
)
(
Component
)
DEFLECTION
Side
Side
D014
G–2
7
7
D015
G–2
IC001
F–3
7
D016
G–3
IC002
F–3
D019
F–1
6
IC003
E–2
E–4
7
D020
G–5
IC004
G–3
3
D025
F–5
IC005
F–3
D026
G–3
6
IC006
G–1
G–5
6
D027
G–3
IC007
F–4
D028
G–2
6
IC008
E–2
E–4
D029
G–2
6
IC009
F–3
3
D032
F–3
IC010
F–5
D050
G–1
3
IC011
G–1
G–5
3
D501
B–5
IC013
G–3
D502
B–5
B–1
–
IC502
A–5
A–1
D503
F–5
3
IC505
E–4
D504
E–5
E–1
–
IC701
F–1
F–5
D505
D–4
D–1
–
IC702
G–5
G–1
D506
B–4
B–2
–
IC703
G–4
D507
B–4
B–2
–
IC901
A–2
D508
B–4
B–2
–
D509
E–5
E–1
–
TRANSISTOR
D510
D–4
D–2
–
D511
C–3
C–3
–
(
Conductor
)
(
Component
)
*
Side
Side
D512
C–4
C–2
–
3
2
D513
F–1
Q001
F–5
D514
A–5
A–1
–
Q003
F–1
1
3
2
D515
E–3
Q004
F–4
3
Q005
G–2
1
D516
E–3
D518
A–4
3
Q006
F–4
1
2
D519
C–5
C–1
–
Q007
F–4
D520
B–4
B–2
–
Q501
B–4
1
1
D521
B–2
3
Q502
B–4
3
1
D660
E–2
Q503
B–4
D701
F–5
3
Q504
F–5
1
3
1
D704
F–5
Q505
F–5
3
D705
F–1
Q506
F–5
F–5
–
D706
G–5
3
Q507
B–5
B–1
–
D709
G–5
G–1
–
Q508
D–5
D–1
–
Q509
E–4
1
D713
E–1
E–5
–
D714
E–1
E–5
–
Q510
E–4
1
D715
E–1
E–5
–
Q511
A–4
A–2
–
D718
E–5
3
Q512
E–3
2
2
D720
E–2
E–4
–
Q513
E–3
1
D721
E–1
E–5
–
Q517
E–5
D901
D–2
3
Q522
E–3
E–3
–
3
D902
A–3
Q523
E–3
E–3
–
D903
A–3
A–3
–
Q524
E–3
E–3
–
D904
A–3
3
Q525
E–4
E–2
–
3
D905
A–2
Q526
E–3
E–3
–
3
Q527
E–3
E–3
–
D906
B–2
D907
A–3
3
Q528
E–4
E–2
–
3
2
D908
A–3
Q660
E–2
D909
D–3
3
Q661
F–2
2
D910
C–2
C–4
–
Q701
E–1
E–5
–
3
D911
D–2
Q703
D–1
D–5
–
D913
A–3
3
Q704
D–1
D–5
–
D915
A–3
A–3
–
Q705
E–1
E–5
–
D916
B–3
B–3
–
Q706
E–1
E–5
–
D917
A–2
A–4
–
Q707
E–4
2
D919
A–3
A–3
–
Q708
E–2
E–5
–
3
Q901
D–2
1
D921
G–3
D922
B–2
3
Q902
A–3
2
3
1
D923
A–2
Q904
D–2
D924
F–2
3
Q905
D–2
1
D935
B–3
3
Q908
E–2
E–4
–
3
D1501
F–3
Q909
D–2
D–4
–
D1502
F–3
3
D1503
F–3
3
DIODE
(
Conductor
)
(
Component
)
*
CRYSTAL
Side
Side
D004
G–3
7
(
)
(
)
Conductor
Component
3
Side
Side
D009
G–2
3
X001
F–4
F–2
D010
G–2
*
: Refer to Terminal name of semiconductors in silk
screen printed circuit (see page 29)
NOTE:
The circuit indicated as left contains high voltage of over
600 Vp-p. Care must be paid to prevent an electric shock in
inspection or repairing.
– 31 –
D1626HT
— D BOARD (Component Side) —
1
2
3
A
B
C
D
E
F
G
b
b
b
• b
b
: Pattern from the side which enables seeing.
• b
b
b
b
b
: Pattern of the rear side.
– 32 –
4
5