Dell D1626HT - UltraScan 1600HS - 21" CRT Display Manual de servicio - Página 23
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E SCHEMATIC DIAGRAM
CONNECTOR PANEL
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
CN511
CN505
CN506
CN507
CN503
11P
4P
8P
2P
7P
WHT
WHT
WHT
WHT
WHT
:S-MICRO
:S-MICRO
:VH
:S-MICRO
.DY
1
GND
2
V.DY C
3
V.DY H
4
NC
H.DY C
5
D
6
H.DY C
7
NC
8
NC
µ-COM,
9
H.DY H
DEFLECTION
H.DY H
10
CN520
CN508
CN512
CN501
ROTATION+
CN901
2
6P
9P
9P
9P
5P
WHT
WHT
WHT
WHT
YEL
1
ROTATION-
:S-MICRO
:VH
:S-MICRO
:S-MICRO
:S-MICRO
CN509
2P
WHT
:S-MICRO
FASTEN
(CRT SHIELD)
CN801
11P
WHT
:S-MICRO L
CN5001
CN5002
9P
6P
1
LCC-LT(+)
WHT
WHT
:S-MICRO
:S-MICRO
2
LCC-LT(-)
LCC-LB(+)
3
H
CN5003
V.STAT,H.STAT,
4
LCC-LB(-)
10P
L
LCC,GEO,
WHT
5
LCC-RT(+)
(USER CONTROL)
:S-MICRO
MAGNETIC SENSOR
6
LCC-RT(-)
7
LCC-RB(+)
LCC-RB(-)
8
9
LCC-NS(+)
CN5004
4P
10
LCC-NS(-)
WHT
:VH
– 27 –
All manuals and user guides at all-guides.com
D1626HT
D1626HT
1
R IN 1
2
R GND 1
CN401
3
G IN 1
6P
WHT-L
4
G GND 1
:S-MICRO
G2
GND
5
B IN 1
6
B GND 1
G2
GND
C BLOCK
CN1
CN2
1
R IN 2
14P
14P
2
R GND 2
3
G IN 2
KB
1
1
KB
CN402
4
G GND 2
7P
KB
2
2
KB
WHT-L
GND
5
NC
:S-MICRO
GND
3
3
6
B IN 2
GND
4
4
GND
RCV
7
B GND 2
KG
5
5
KG
KG
6
6
KG
H
GND
7
7
GND
1
CLP
GND
GND
8
8
2
BKGP
A
KR
9
9
KR
3
C.BLK
KR
10
10
KR
CN403
KB
KR
G2
G4
4
GREEN
8P
VIDEO AMP,
GND
11
11
GND
KG
G1
GM
5
GND
HV
WHT-L
RGB OUT
G1
12
12
G1
:S-MICRO
6
INPUT SW
GND
GND
13
13
7
GND
HEATER +
14
14
HEATER +
8
VIDEO
FV1
1
ASC_SW
HSTAT
OSD_SEL
2
FV2
3
MOSI
CN407
4
CLK
7P
WHT-L
5
DAC_SEL
HSTAT
:S-MICRO
6
HFBP
VRET
7
CN405
CN406
9P
1KV
1
2P
WHT-L
WHT
:S-MICRO
2
NC
:VH
CN671
CN502
11P
11P
WHT
WHT
CN672
:S-MICRO
:S-MICRO
9P
WHT
HCENT H
1
1
H CENT H
:S-MICRO
FBT
HCENT N
2
2
H CENT N
CN605
HCENT L
3
3
H CENT L
+200V
+200V
AC L OUT
4
4
+200V
5
5
+200V
NC
6
6
NC
AC L IN
+80V
7
7
+80V
GND
8
8
GND
+15V
+15V
9
9
G
GND
10
10
GND
CN610
-15V
11
11
-15V
(POWER SUPPLY)
B-TO-B
CN673
CN504
5P
5P
WHT
WHT
:S-MICRO
:S-MICRO
DRIVE
DGC
1
1
DGUS SW
CN514
CN510
I SENCE
POWER
POWER SW
3P
3P
2
2
WHT
WHT
HTR_SW
3
3
HEATER SW
:S-MICRO
:S-MICRO
V SENCE
STBY 8V
4
4
STBY+8V
L SENCE
GND
5
5
GND
AC SENCE
CN603
CN604
4P
3P
WHT
WHT
:VH
:VH
DGC
AC INLET
CN891
3P
WHT
3P
:VH
POWER SW
AC L OUT
1
1
NC
2
2
NC
3
3
AC L IN
J
(POWER SW)
10P
GND
1
1
GND
GND
GND
2
2
3
3
DRIVE
4
4
I SENCE
CN7501
VCC
5
5
VCC
10P
B-TO-B
6
6
V SENCE
L SENCE
7
7
8
8
AC SENCE
GA
OVP
9
9
OVP
LVP
10
10
LVP
(POWER SENSOR)
– 28 –
5-3. CIRCUIT BOARDS LOCATION
Note: The components identified by shading and mark
¡
L
are critical for safety. Replace only with part
D
A
number specified.
Note: Les composants identifiés per un tramé et une
marque
G
remplacer que par une pièce portant le numéro
spécifié.
• All voltages are in V.
• Readings are taken with a 10 M digital multimeter.
• Readings are taken with a color-bar signal input.
• Voltage variations may be noted due to normal production
GA
tolerances.
•
*
: Can not be measured.
• Circled numbers are waveform references.
s
•
: B + bus.
H
S
•
: B – bus.
J
Terminal name of semiconductors in silk screen
printed circuit (
5-4. SCHEMATIC DIAGRAMS AND
Device
PRINTED WIRING BOARDS
1
Transistor
Note:
• All capacitors are in µF unless otherwise noted. (pF: µµF)
2
Transistor
Capacitors without voltage indication are all 50 V.
• Indication of resistance, which does not have one for rating
3
Diode
electrical power, is as follows.
Pitch: 5 mm
4
Diode
Rating electrical power 1/4 W (CHIP : 1/10 W)
• All resistors are in ohms.
5
Diode
f
•
: nonflammable resistor.
Ï
•
: fusible resistor.
6
Diode
¢
•
: internal component.
p
•
: panel designation, and adjustment for repair.
7
Diode
• All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
e
8
Diode
•
: earth-ground.
E
•
: earth-chassis.
[
• The components identified by
in this basic schematic diagram
9
Diode
have been carefully factory-selected for each set in order to
satisfy regulations regarding X-ray radiation.
0
Diode
Should replacement be required, replace only with the value
originally used.
!¡
Diode
]
• When replacing components identified by
, make the
necessary adjustments indicated. (See page 18)
Transistor
!™
• When replacing the part in below table, be sure to perform the
(FET)
related adjustment.
Transistor
!£
]
(FET)
Part replaced (
)
Transistor
HV Regulator
D Board
IC901, T902
!¢
(FET)
Circuit Check
• Mounted D board
!∞
Transistor
HV Protector
D Board
Q660, Q661, D916, D935,
Circuit Check
C924, R665, R667, R940,
–
Discrete semiconductot
R980, T902
• Mounted D board
(Chip semiconductors that are not actually used are included.)
G Board
PH680, Q680, Q683, D680,
R680, R685, R686, R687,
R688, R689
• Mounted G board
Beam Current
D Board
IC901, D904, D907, D908,
Protector
R011, R908, R909, R921,
Circuit
R925, R926, R929, R930,
Check
T902
• Mounted D board
– 29 –
D1626HT
¡
sont critiques pour la sécurité. Ne les
*
)
Circuit
Printed symbol
Terminal name
Collector
Base
Emitter
Collector
Base
Emitter
Cathode
Anode
Cathode
Anode
(NC)
Cathode
Anode
(NC)
Common
Anode
Cathode
Common
Anode Cathode
Common
Anode
Anode
Common
Anode Anode
Common
Cathode
Cathode
Common
Cathode
Cathode
Source
Drain
Gate
D
D
G
G
Source
S
S
Drain
Gate
D
D
Source
Drain
G
G
Gate
S
S
Emitter
Collector
Base
Ver.1.4