Dell D1626HT - UltraScan 1600HS - 21" CRT Display Посібник з експлуатації - Сторінка 23
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5-2. FRAME SCHEMATIC DIAGRAM
CONNECTOR PANEL
5
4
3
2
1
10
9
8
7
6
15
14
13
12
CN511
CN505
CN506
11P
4P
8P
WHT
WHT
WHT
:S-MICRO
:S-MICRO
GND
H.DY
1
2
V.DY C
3
V.DY H
4
NC
V.DY
5
H.DY C
D
6
H.DY C
V.DY
7
NC
8
NC
µ-COM,
FASTEN
9
H.DY H
DEFLECTION
10
H.DY H
CN520
CN508
CN512
CN501
CN901
ROTATION+
6
2
ROTATION+
6P
9P
9P
9P
5P
ROTATION
WHT
WHT
WHT
YEL
ROTATION-
ROTATION-
WHT
5
1
:S-MICRO
:VH
:S-MICRO
:S-MICRO
:S-MICRO
H STAT+
4
CN509
H.STA
H STAT-
3
2P
WHT
V STAT-
2
:S-MICRO
V.STA
V STAT+
1
CN5001
CN5002
9P
6P
LCC-LT(+)
WHT
LCC-LT
1
WHT
:S-MICRO
:S-MICRO
2
LCC-LT(-)
LCC-LB
3
LCC-LB(+)
CN5003
V.STAT,H.STAT,
LCC-LB(-)
4
10P
L
LCC,GEO,
WHT
LCC-RT
5
LCC-RT(+)
(USER CONTROL)
:S-MICRO
MAGNETIC SENSOR
6
LCC-RT(-)
LCC-RB
7
LCC-RB(+)
8
LCC-RB(-)
LCC-NS
9
LCC-NS(+)
CN5004
4P
10
LCC-NS(-)
WHT
:VH
1
R IN 1
2
R GND 1
CN401
G IN 1
3
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
5
NC
GND
3
3
GND
:S-MICRO
6
B IN 2
GND
4
4
GND
RCV
7
B GND 2
KG
5
5
KG
KG
6
6
KG
GND
GND
7
7
1
CLP
GND
8
8
GND
BKGP
A
11
2
KR
9
9
KR
3
C.BLK
KR
KR
10
10
4
GREEN
CN403
8P
VIDEO AMP,
GND
11
11
GND
5
GND
WHT-L
RGB OUT
G1
12
12
G1
:S-MICRO
6
INPUT SW
GND
13
13
GND
7
GND
HEATER +
14
14
HEATER +
8
VIDEO
1
ASC_SW
HSTAT
2
OSD_SEL
3
MOSI
CN407
4
CLK
7P
WHT-L
5
DAC_SEL
HSTAT
:S-MICRO
6
HFBP
7
VRET
CN405
CN406
9P
1KV
1
2P
WHT-L
WHT
:S-MICRO
2
NC
:VH
CN671
CN502
11P
11P
WHT
WHT
:S-MICRO
:S-MICRO
HCENT H
1
1
H CENT H
FBT
HCENT N
H CENT N
2
2
CN507
CN503
HCENT L
3
3
H CENT L
2P
7P
WHT
+200V
4
4
+200V
WHT
:VH
:S-MICRO
+200V
+200V
5
5
NC
6
6
NC
+80V
7
7
+80V
GND
8
8
GND
+15V
9
9
+15V
G
GND
10
10
GND
-15V
11
11
-15V
(POWER SUPPLY)
CN673
CN504
5P
5P
WHT
WHT
:S-MICRO
:S-MICRO
DGC
1
1
DGUS SW
CN514
CN510
3P
3P
POWER
2
2
POWER SW
WHT
WHT
HTR_SW
HEATER SW
:S-MICRO
:S-MICRO
3
3
STBY 8V
4
4
STBY+8V
GND
5
5
GND
CN603
WHT
:VH
FASTEN
(CRT SHIELD)
CN801
11P
WHT
DGC
:S-MICRO L
H
H
G2
KB
KR
G4
KG
G1
GM
HV
FV1
FV2
CN672
9P
WHT
CN891
:S-MICRO
3P
CN605
WHT
3P
:VH
POWER SW
AC L OUT
1
1
AC L OUT
NC
NC
2
2
AC L IN
3
3
AC L IN
J
(POWER SW)
CN610
10P
B-TO-B
GND
1
1
GND
GND
2
2
GND
DRIVE
3
3
DRIVE
I SENCE
4
4
I SENCE
CN7501
VCC
5
5
VCC
10P
B-TO-B
V SENCE
6
6
V SENCE
L SENCE
L SENCE
7
7
AC SENCE
8
8
AC SENCE
GA
CN604
OVP
9
9
OVP
4P
3P
LVP
(POWER SENSOR)
WHT
LVP
10
10
:VH
AC INLET
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 symbol
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
!∞
HV Protector
D Board
Q660, Q661, D916, D935,
Transistor
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
¡
sont critiques pour la sécurité. Ne les
)
*
Circuit
Terminal name
Collector
Emitter
Base
Collector
Base
Emitter
Cathode
Anode
Cathode
(NC)
Anode
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