Dell D1626HT - UltraScan 1600HS - 21" CRT Display Manual de serviço - Página 28
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D1626HT
(3) Schematic Diagram of A Board
0.01 B:CHIP
47 16V
0.01 B:CHIP
47 16V
CN402
0.01 B:CHIP
7P
WHT-L
47 16V
:S-MICRO
CONNECTOR
R IN 2
1
R
RANEL
R101
82
R GND 2
2
:RN
G IN 2
3
G
R201
82
G GND 2
4
:RN
NC
5
B IN 2
6
B
R301
82
B GND 2
7
:RN
CN401
6P
5
4
3
2
1
WHT-L
:S-MICRO
10
9
8
7
6
HD15
R IN 1
15 14 13 12 11
1
R
R103
TO D BOARD
75
R GND 1
2
:RN
CN511
G IN 1
3
G
R203
75
G GND 1
4
:RN
B IN 1
5
B
R303
75
B GND 1
6
:RN
0.01 B:CHIP
VD
HD
B
G
R
0.01 B:CHIP
5BNC
0.01 B:CHIP
CN403
8P
WHT-L
:S-MICRO
CLP
1
LOWB_DET
2
C.BLK
3
GREEN
4
GND
5
INPUT SW
6
GND
7
VIDEO
8
TO D BARD
CN506
CN407
7P
WHT-L
:S-MICRO
ASC_SW
1
OSD_SEL
2
MOSI
3
CLK
4
DAC_SEL
5
• A BOARD WAVEFORMS
HFBP
6
VRET
7
1
6
TO D BARD
CN503
C436
47p
R429
CH:CHIP
100
:CHIP
C440
47p
CH:CHIP
R431
3.0 Vp-p (H)
37.0 Vp-p (H)
100
:CHIP
C438
2
7
47p
CH:CHIP
R430
100
:CHIP
C455
47p
CH:CHIP
R441
100
:CHIP
C442
47p
CH:CHIP
35.0 Vp-p (H)
35.0 Vp-p (H)
R432
100
:CHIP
C444
3
8
47p
CH:CHIP
R433
100
:CHIP
3.0 Vp-p (H)
35.0 Vp-p (H)
4
9
35.0 Vp-p (H)
37.0 Vp-p (H)
A
5
(VIDEO AMP,RGB OUT)
3.0 Vp-p (H)
IC401
IC402
5V
C412
+5V
+12V
C101
M52348FP RGB PRE-AMP
M52722P RGB DRIVE
0.01
B:CHIP
STBY+5V
+12V
C102
C402
C305
47
R339
0.01
25V
10k
B:CHIP
C201
C306
:CHIP
B_VCC1
OSDBLK
B_VCC2
0.01
OSD CONT
R338
C202
D101
B:CHIP
8.2k
B_VCC1
1SS226-TE85L
B_OUT
B_IN2
B_OUT
B_IN
D201
B_VCC2
C301
C307
R328
C319
1SS226-TE85L
G_VCC1
0.1
1M
47
B_DRV
GND
B_HOLD
C302
25V
:CHIP
25V
C205
R138
R105
B:CHIP
NC
0.01
8.2k
47
NC
C321
NC
:CHIP
B:CHIP
R238
NC
C206
0.01
NC
8.2k
0.01
B:CHIP
NC
C105
G_IN2
B:CHIP
NC
R205
Q202
0.01
NC
C330
NC
47
2SC3545
B:CHIP
5V
0.01
NC
:CHIP
R_VCC1
BUFFER
B:CHIP
NC
G_VCC2
B_OSD
R239
OSDB_DRV
C221
R_IN2
C207
10k
B_GND1
R305
0.01
G_OUT
0.1
:CHIP
B_GND2
47
R401
B:CHIP
25V
G_VCC1
:CHIP
0 :CHIP
H_IN2
R243
B:CHIP
C230
G_OUT
GND
560
0.01
G_IN
D301
:CHIP
B:CHIP
G_VCC2
R228
1SS226-TE85L
V_IN2
1M
G_DRV
R_VCC2
G_HOLD
:CHIP
R402
G_OSD
D102
0
C121
OSDG_DRV
GND
1PS226-115
R_OUT
:CHIP
0.01
G_GND1
R106
G_GND2
C106
C107
B:CHIP
33
C401
B_IN1
0.01
0.1
R_VCC1
:CHIP
GND
R_OUT
10
B:CHIP
25V
B:CHIP
R_IN
R206
GND
R_VCC2
33
R142
G.SYNC
R128
R_DRV
:CHIP
8.2k
1M
R_HOLD
G_IN1
:CHIP
R139
NC
R306
VCC
10k
NC
:CHIP
NC
33
D202
NC
NC
:CHIP
1PS226-115
NC
C130
NC
0.01
NC
C103
GND
C403
B:CHIP
NC
HS.OUT
47
OSDR_DRV
C104
R242
R342
25V
R_OSD
47 25V
8.2k
8.2k
R403
R_IN1
R473
NC
470k
VS.OUT
10k
R_GND1
C203
:CHIP
:CHIP
R_GND2
D302
H_IN1
MAIN CONT
C204
1PS226-115
GND
BLK
47 25V
CLP
R404
C410
BRT
V_IN1
470k
SW
C303
0.01
:CHIP
B:CHIP
C304
47 25V
C472
R477
R417
22
22k
:CHIP
:CHIP
UDZ-TE-17-5.1B
R422
100
:CHIP
R424
100
Q404
:CHIP
DTC124EKA
C404
ASC SW
R406
R425
10
1k :CHIP
C429
47
10p
C491
:CHIP
CH:CHIP
R434
0.01
4.7k :CHIP
B:CHIP
R412
R411
R409
1.5k
R426
C431
4.7k
1k
:CHIP
100
0.01
:CHIP
R407
:CHIP
:CHIP
B:CHIP
D403
Q405
47k
Q401
C407 C408
2SB709A
:CHIP
R423
MA111
2SB709A
10 0.01
47k
BUFFER
R427
B:CHIP
G SYNC
:CHIP
100
Q403
R408
:CHIP
2SB709A
100k
C405
R410
:CHIP
10p CH:CHIP
G SYNC
1k
C435
:CHIP
Q402
0.01
2SC2412
B:CHIP
G SYNC
R446
100
:CHIP
C416
47
5V
L401
25V
100µH
STBY+5V
R435
C446
IC404
IC410
1M
0.1
LSC4380DW2EL
M62352GP-75ED
:CHIP
25V
B:CHIP
OSD
D/A CONVERTER
R436
5.6k
:CHIP
VSSA
VSS
Vss
GND
R438
1.5k
R439
AO3
AO2
:CHIP
1.5k
VCO
R
:CHIP
C409
AO4
AO1
R_CUTOFF
C448
22p
0.1
CH:CHIP
RP
G
AO5
MOSI
G_CUTOFF
25V
C450
B:CHIP
22p
B_CUTOFF
AO6
CLK
CH:CHIP
VDDA
B
C447
R_DRV
AO7
LD
0.1 25V B:CHIP
HFLB
FBKG
G_DRV
AO8
MISO
C451 C452
AO9
AO12
10 0.01
B_DRV
SS
INT
B:CHIP
AO10
AO11
BRT
MOSI
VFLB
VDD
Vcc
CLK
VDD
C466
C467
NC
NC
10
0.01
B:CHIP
NC
NC
+5V
NC
NC
NC
NC
NC
NC
PWM0
PWM1
C458
IC403
10
12V
FA4111
50V
C312
0.1
RGB OUT
R475
25V
10k
R314
B:CHIP
R122
C322
:CHIP
270
120
0.1
:CHIP
:CHIP
25V
1
2
4
3
5
6
R123
B:CHIP
R315
120
270
:CHIP
:CHIP
R313
C415
R327
22
1
2
3
4
5
6
7
8
9 10 11 12 13 14
47
270
:CHIP
100V
:CHIP
Q301
+80V
R135
2SA1738
330
R332
R304
C482
C308
BUFFER
R222
C459
2.2
:CHIP
R316
270
100
0.1
120
47
:CHIP
:CHIP
:CHIP
22
:CHIP
+200V
:CHIP
100V
FB301
R341
R302
C483
R320
R223
100
100
C489
0.1
100k
:CHIP
120
R310
:CHIP
:CHIP
0.1
:CHIP
:CHIP
:CHIP
C222
0
25V
C315
R235
R311
0.1
:CHIP
B:CHIP
0.22
R321
330
2.2k
25V
12V
250V
100k
:CHIP
:CHIP
B:CHIP
R317
R241
R204
:CHIP
3.9k
100
100
R202
R118
R112
:CHIP
:CHIP
:CHIP
100
2.2k
39
C208
:CHIP
:CHIP
:RN-CP
D305
D304
2.2
C311
R322
R318
R312
L301
1SS376
1SS376
4700p
120
2.2k
47
R141
0.15µH
B:CHIP
:CHIP
:CHIP
:RN-CP
100
:ALI
C488
:CHIP
47
R323
C310
C309
D306
25V
120
1000p
33p
R319
1SS376
:CHIP
CH:CHIP
CH:CHIP
R104
R102
22
R335
12V
100
100
:CHIP
D307
330
12V
:CHIP
:CHIP
R220
1SS376
C108
:CHIP
100k
:CHIP
2.2
R210
C212
R443
0
R214
0.1
470
R211
C215
D206
C122
:CHIP
270
25V
:CHIP
0.22
R221
B:CHIP
1SS376
2.2k
0.1
:CHIP
250V
100k
:CHIP
25V
R444
:CHIP
B:CHIP
R215
2.2k
270
:CHIP
R219
FB201
D207
12V
:CHIP
22
0
D205
R227
:CHIP
1SS376
L202
:CHIP
270
0.27µH
1SS376
R421
:CHIP
180k
R213
:CHIP
R232
22
R119
R216
270
:CHIP
22
47
:CHIP
:CHIP
L201
D204
:CHIP
0.15µH
1SS376
Q201
:ALI
2SA1738
R217
BUFFER
3.9k
12V
:CHIP
C453
47k
0.01
C211
R114
B:CHIP
4700p
270
B:CHIP
:CHIP
C112
0.1
R120
25V
L102
100k
D402
R115
B:CHIP
0.15µH
:CHIP
270
:CHIP
R111
C115
FB101
D106
R121
R127
2.2k
0.22
0
100k
270
1SS376
:CHIP
250V
:CHIP
:CHIP
:CHIP
R113
R132
22
R116
270
:CHIP
L101
D105
R413
47
:CHIP
D107
0.15µH
1SS376
12V
4.7k
:CHIP
1SS376
:ALI
Q101
:CHIP
2SA1738
+200V
R334
100k :CHIP
R117
BUFFER
R330
R416
R110
3.9k
100k :CHIP
R333
R336
100k :CHIP
0
:CHIP
1k
D104
1k
R329
B_CUTOFF
:CHIP
1M :RN-CP
R337
:CHIP
1SS376
:CHIP
100k :CHIP
C111
Q306
4700p
R367
2SA10910
B:CHIP
C320
D401
1M :CHIP
BUFFER
2.2
MA111
D103
200V
MA111
12V
R325
R331
D303
D203
56k
4
2.2k
Q305
MA111
MA111
:RN-CP
2
:CHIP
2SC4015
1
B CUT OFF
12V
3
C414
R415
AMP
33p
4.7k
11
CH:CHIP
:CHIP
R326
R308
R340
IC409(1/4)
100k
120k
R234
100k :CHIP
2.2M
LM324M-FL63
:CHIP
:CHIP
R230
:CHIP
B CUT OFF
100k :CHIP
R233
R236
100k :CHIP
R229
AMP
1k
R309
G_CUTOFF
1M :RN-CP
R237
:CHIP
270k
100k :CHIP
C434
:CHIP
Q206
12V
0.001
R267
2SA1091O
500V
1M :CHIP
C220
2.2
BUFFER
:B
C317
0.01
200V
R470
B:CHIP
4.7k
:CHIP
12V
R225
R231
56k
2.2k
Q205
:RN-CP
6
:CHIP
C487
C486
2SC4015
7
10
0.01
R CUT OFF
12V
5
B:CHIP
CONT
R226
IC409(2/4)
R208
R240
100k
R134
100k :CHIP
R471
120k
2.2M
LM324M-FL63
:CHIP
R130
6.8k
G2
:CHIP
:CHIP
G CUT OFF
+200V
100k :CHIP
R133
R136
100k :CHIP
:CHIP
R129
AMP
1k
R_CUTOFF
R209
1M :RN-CP
R137
:CHIP
270k
100k :CHIP
Q106
:CHIP
R167
C120
2SA1091O
1M :CHIP
C217
2.2
BUFFER
0.01
200V
B:CHIP
12V
R125
R131
56k
2.2k
Q105
OSD_CONT
:RN-CP
9
:CHIP
2SC4015
8
CONT
R CUT OFF
12V
10
CONT
IC409(3/4)
LM324M-FL63
R126
R108
R140
R CUT OFF
100k
120k
2.2M
:CHIP
:CHIP
AMP
:CHIP
Q408
15V
DTA124EKA
C127
R109
Q409
0.01
270k
SW
:CHIP
2SC2412K
B:CHIP
SW
D409
D405
D406
R451
MA111
MA111
MA111
100
15V
:CHIP
Q407
C420
C421
R452
2SC2412K
47
10
4.7k
LOWB DET
:CHIP
R447
470
R450
:CHIP
18k
:CHIP
R448
R449
2.2k
10k
:CHIP
:CHIP
D1626HT
D1626HT
C
BLOCK
(GND)
(GND)
FOCUS2
TO D BOARD
R324
22 1/2W :SURGE
FOCUS1
T902(FBT)
R224
CN1
CN2
22 1/2W :SURGE
8P
8P
R124
22 1/2W :SURGE
1
KB
KB
1
SG301
2
GND
GND
2
0
RCV
3
KG
KG
3
4
GND
GND
4
SK401
C419
1000p
5
KR
KR
5
H
500V
FV
G1
6
GND
GND
6
FGND
H1
1
3
7
HEATER +
HEATER +
7
4
H2
8
GND
GND
8
FC
13
5
FB402
KB
TO D BOARD
KR
1.1UF
GND
KG
6
T902(FBT)
GND
11
7
7
KR
10 9
8
GND
KG
G2
KB
8
9
SG201
SG101
SG403
D404
SG402
1SS376
R418
C417
220k
10000p
1/2W
2kV
F
(G2)
(G2)
G2
CN405
9P
C484
WHT-L
C485
1000p
R478
:S-MICRO
10
FB406
500V
1
+200V
250V
1.1UH
B
:FPRD
1
+200V
+80V
2
NC
3
+80V
IC406
C460
R479
FB405
TA7812S
PS401
1000p
1
4
GND
1A
1.1UH
12V REG
R461
500V
:FPRD
B
12V
100k
+15V
5
O
+12V
I
6
STBY+8V
G
C464
C465
C461
R480
7
GND
10
10
0.01
1
B:CHIP
:FPRD
8
NC
IC408
TA78L05S
9
HEATER+
5VREG
5V
TO G BOARD
O
+5V
I
CN672
C469
G
10
C468
C463
10
0.01
B:CHIP
CN406
2P
C471
1000p
WHT
FB403
1.1UH
500V
:VH
B
1KV
1KV
1
2
N.C.
R457
R459
R458
TO D BOARD
R456
10M
10M
2.2M
47k
1W
1W
1W
CN507
:CHIP
:RN
:RN
:RN
C479
C478
470p
4700p
:CHIP
2kV
12V
F
12V
Q410
C457
0.01
2SC4686A
R442
D408
B:CHIP
G2 CONT
2.2k
MA111
:RN-CP
R464
R462
2.2k
47k
13
:CHIP
R466
C454
:CHIP
14
10k
100
:RN-CP
25V
12
R428
1k
IC409(4/4)
C424
12V
:CHIP
LM324M-FL63
0.1
R454
C481
R463
D407
25V
10k
0.01
120k
G2 CONT
B:CHIP
:CHIP
MA111
B:CHIP
:CHIP
R419
33k
Q406
:RN-CP
DTA124EKA
R420
G2 CONT
47k
R453
:RN-CP
10k
:CHIP
B-SS9030<NH.>-A..
• A BOARD VOLTAGE LIST
Ref.
Pin No. Voltage [V]
Ref.
IC402
1
1.1
3
2.8
V901
Q106
4
3.7
PICTURE
9
1.1
TUBE
12
2.8
Q201
13
3.8
14
1.1
G2
G4
G1
GM
17
2.8
HV
Q205
18
3.9
23
1.1
TO D BOARD
FBT
25
3.3
26
0.7
Q206
27
2.4
28
1.2
Q301
35
4.4
37
2.7
40
4.4
Q305
42
2.7
49
4.4
51
2.7
52
2.1
Q306
IC403
1
3.4
2
2.8
Q401
3
53.6
5
52.7
6
2.9
7
3.4
Q406
8
9.8
10
9.8
Q410
11
3.5
12
2.9
13
52.3
SK401
Q101
B
2.8
E
3.5
Q105
B
7.3
C
112.6
Pin No. Voltage [V]
E
6.8
B
112.6
E
113.3
B
2.7
E
3.5
B
7.4
C
109.9
E
6.8
B
109.9
E
110.4
B
2.7
E
3.4
B
7.4
C
113.1
E
6.8
B
113.1
E
113.7
B
3.6
C
0.7
E
4.3
B
7.9
E
9.0
B
9.7
C
484.0
E
9.1
KR
87.0
KG
87.0
KB
87.0
G2
474.0
H2
6.5