PDP-4280HD
31
5
6
7
8
5
6
7
8
C
D
F
A
B
E
4.8 POWER SUPPLY BLOCK of 42 X, Y DRIVE and 42 SCAN A, B ASSYS
5.0V
5.0V
5.0V
6.5V
5.0V
6.5V
16.5V
16.5V
VSUS
VSUS
VF1
VF
VF2
VPOFS
VF3
IC5V
VH
VXKOFS1
VXKOFS2
IC5V
VH
5V
Reg.IC
IC5V
DC/DC Conv.
Scan
Logic
Scan IC
15V
DC/DC Conv.
HMSK
FET
Pre
drive
Logic
5V
Reg.IC
DC/DC
Conv.
SUS-G
FET
Pre
drive
SUS-B
FET
Pre
drive
SUS-U
IGBT
Pre
drive
SUS-D
IGBT
Pre
drive
XPRST
FET
Pre
drive
XSOFT-D
FET
Pre
drive
XKOFS1
FET
Pre
drive
XKOFS2
FET
Pre
drive
VXKOFS1
Reg.
VXKOFS2
Reg.
Logic
SUS-G
FET
Pre
drive
SUS-B
FET
Pre
drive
SUS-U
IGBT
Pre
drive
SUS-D
IGBT
Pre
drive
LMSK
FET
Pre
drive
YPRST
FET
Pre
drive
SNOFS
FET
Pre
drive
YKOFS
1
FET
Pre
drive
YKOFS
2
FET
Pre
drive
YKOFS
3
FET
Pre
drive
YKOFS
4
FET
Pre
drive
RST-D
FET
Pre
drive
VYKOF
S12
Reg.
VYKOF
S3
Reg.
VYKOF
S4
Reg.
DC/DC Conv.
VSNOFS
Reg.
VYPRST
Reg.
SOFT-G
FET
Pre
drive
Note:
VYPRST, VSNOFS, VYKOFS12, VYKOFS3, VYKOFS4
and VXKOFS2 voltages are electrical volume controls.
to 42 ADDRESS ASSY
42 SCAN A, B ASSYS
42 Y DRIVE ASSY
42 X DRIVE ASSY
to 42 ADDRESS ASSY
from
POWER SUPPLY
from
POWER SUPPLY
Summary of Contents for PDP-4280HD
Page 10: ...PDP 4280HD 10 1 2 3 4 1 2 3 4 C D F A B E 2 2 SPECIFICATIONS Dimensions ...
Page 11: ...PDP 4280HD 11 5 6 7 8 5 6 7 8 C D F A B E 2 3 PANEL FACILITIES Front Section ...
Page 12: ...PDP 4280HD 12 1 2 3 4 1 2 3 4 C D F A B E Rear Section ...
Page 13: ...PDP 4280HD 13 5 6 7 8 5 6 7 8 C D F A B E Remote Control Unit ...
Page 19: ...PDP 4280HD 19 5 6 7 8 5 6 7 8 C D F A B E ...
Page 20: ...PDP 4280HD 20 1 2 3 4 1 2 3 4 C D F A B E 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM 1 2 ...
Page 22: ...PDP 4280HD 22 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL WIRING DIAGRAM 2 2 ...
Page 23: ...PDP 4280HD 23 5 6 7 8 5 6 7 8 C D F A B E ...
Page 35: ...PDP 4280HD 35 5 6 7 8 5 6 7 8 C D F A B E ...
Page 168: ...PDP 4280HD 168 1 2 3 4 1 2 3 4 C D F A B E 10 6 PANEL CHASSIS SECTION ...
Page 172: ...PDP 4280HD 172 1 2 3 4 1 2 3 4 C D F A B E 10 8 PDP SERVICE ASSY 428 Exterior Section ...