Pioneer PDP-4280HD

PDP-4280HD
30
1
2
3
4
1234
C
D
F
A
B
E
4.7 42 Y DRIVE, 42 SCAN A and B ASSYS
Scan IC
IC2901
Scan IC
IC2902
Scan IC
IC2903
Scan IC
IC2904
Scan IC
IC2905
Scan IC
IC2906
Scan IC
IC2801
Scan IC
IC2802
Scan IC
IC2803
Scan IC
IC2804
Scan IC
IC2805
Scan IC
IC2806
PSUS
Scan Signal
Scan Signal
PSUS
VH
IC5V
SA1
SB1
VH
IC5V
VH IC5V
VH IC5V
VH
IC5V
VH IC5V
VH IC5V
VH
IC5V
VH IC5V
VH IC5V
VH
IC5V
VH IC5V
Y 1
Y 3
PSUS
PSUS
Scan Signal
VH
IC5V
IC5V
VADR
Y 5
Y 6
VADR+5V
Y 7
VADR+5V
+16.5V
IC5V/VF
DC/DC
CONV.
IC5V VF_P
+16.5V
15V
DC/DC
CONV.
VF_S VF_U
+5V
LOGIC
BLOCK
Drive Signal
VSUS
VYPRST
VSNOFS
VKNOFS2
VKNOFS3
VKNOFS4
VKNOFS1
MAIN
DC/DC
CONV.
VH
VH
IC5V
Y 2
Photo Coupler
BLOCK
+16.5V
+5V
VSUS
+6.5V
Y 4
REGULATOR
VSUS
SUS
BLOCK
VSUS
SUS
BLOCK
VSUS
SUS
BLOCK
SUS
PreDrive
+16.5V
VF_S
H-MSK
VF_S
L-MSK
+16.5
KNOFS1
KNOFS3
BLOCK
VKOFS1
VKOFS3
RESONANCE
BLOCK
VF_U +16.5V
Drive Signal
VF_P
PREST
BLOCK
VYPRST
RST-D
BLOCK
+16.5V
+16.5
KNOFS4
SOFT-G
BLOCK
VF_S
VKNOFS4
+16.5
SNOFS
KNOFS2
BLOCK
VSNOFS
VKNOFS2
VF_S
Drive Signal
SUSOUT
MSK-S
Gate Signal
42 Y DRIVE ASSY
42 SCAN B ASSY
(HIGH SIDE)
42 SCAN A ASSY
(LOW SIDE)