Dell P992 Service Manual page 35

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— D BOARD —
1
2
A
B
C
D
E
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.
3
4
5
6
• D BOARD
7
SEMICONDUCTOR
LOCATION
IC
D505
D506
D507
IC401
D-4
D510
IC501
C-1
D516
IC601
B-2
D517
IC603
A-3
D520
IC604
C-1
D521
IC605
C-2
D601
IC607
A-2
D602
IC608
A-1
D603
IC610
B-2
D604
IC611
A-5
D605
IC701
B-1
D606
IC702
B-1
D607
IC703
A-1
D608
IC902
C-6
D609
IC1603
C-3
D610
D611
D612
TRANSISTOR
D613
D614
*
D615
D616
1
Q501
C-2
1
D617
Q502
C-1
D618
1
Q503
C-1
D619
Q504
E-1
-
D620
Q505
E-3
-
D621
Q506
D-3
-
D622
1
Q507
E-4
D623
Q510
D-3
-
D624
Q511
D-2
-
D625
Q512
D-2
-
D626
Q513
D-1
-
D627
Q514
D-1
-
D628
Q515
E-1
-
D629
Q601
A-3
-
D630
1
Q602
A-5
D631
Q603
A-5
-
D632
Q605
A-3
-
D633
1
Q606
A-2
D634
1
Q607
C-2
D635
Q608
B-6
-
D636
Q609
A-2
-
D639
Q701
D-4
-
D701
Q702
D-4
-
D702
Q703
D-5
-
D703
Q704
D-5
-
D902
Q705
D-5
-
D906
Q706
E-6
-
D907
1
Q707
E-6
1
D909
Q708
D-4
D910
Q901
C-5
-
D911
Q902
C-6
-
D912
Q905
D-6
-
1
D914
Q906
D-6
D917
1
Q907
D-6
D918
D919
D920
DIODE
D923
*
D401
D-4
-
VARIABLE
D405
C-4
-
RESISTOR
D501
E-1
-
D502
E-3
-
D503
D-3
-
RV901
D504
E-4
-
*
: Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 4-7)
D-2
-
E-4
-
E-2
-
E-2
-
D-3
-
E-2
-
E-2
-
E-2
-
A-5
-
A-5
-
3
A-5
A-5
-
A-5
-
A-5
-
3
A-2
A-2
-
A-4
-
A-2
-
A-3
-
A-3
-
A-3
-
B-4
-
A-2
-
A-2
-
A-2
-
B-4
-
C-3
-
B-2
-
B-3
-
B-2
-
A-5
-
3
A-5
B-5
-
B-6
-
A-3
-
B-6
-
3
A-2
A-2
-
B-3
-
A-3
-
3
A-3
3
A-3
C-2
-
3
A-3
C-2
-
D-4
-
D-4
-
D-5
-
D-5
-
3
C-5
C-5
-
C-6
-
D-6
-
E-6
-
E-6
-
D-5
-
D-5
-
3
D-6
3
D-6
3
D-6
3
D-6
E-6

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