Schematic Diagrams And Printed Wiring Boards; Circuit Boards Location - Dell D1626HT Service Manual

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