Dell D1626HT - UltraScan 1600HS - 21" CRT Display, Service Manual

Page: 24 / 50

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