50F Y Drive, 50F Scan A And B Assys - Pioneer PDP-5020FD Service Manual

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4.7 50F Y DRIVE, 50F SCAN A and B ASSYS

50F SCAN A ASSY
(HIGH-SIDE)
VH IC5V
SCAN SIGNAL
SCAN IC
IC2801
PSUS
VH IC5V
SCAN IC
IC2802
VH IC5V
SCAN IC
IC2803
VH IC5V
SCAN IC
IC2804
VH IC5V
SCAN IC
IC2805
VH IC5V
SCAN IC
IC2806
VH IC5V
SCAN IC
IC2807
VH IC5V
SCAN IC
IC2808
VH IC5V
SCAN SIGNAL
SCAN IC
IC2901
VH IC5V
SCAN IC
IC2902
VH IC5V
SCAN IC
IC2903
VH IC5V
SCAN IC
IC2904
VH IC5V
SCAN IC
IC2905
VH IC5V
SCAN IC
IC2906
VH IC5V
SCAN IC
IC2907
VH IC5V
SCAN IC
IC2908
50F SCAN B ASSY
(LOW-SIDE)
5
6
50F Y DRIVE ASSY
PSUS
VH
VH
IC5V
IC5V
VH
VH
PSUS
IC5V
IC5V
PSUS
6
7
VSUS
+17V
SUS
RST-D
BLOCK
BLOCK
VC_P VYPRST
PRST
BLOCK
VC_U +17V
RESONANCE
BLOCK
MSK-S
VC_S VC_S
VSUS
SUS
BLOCK
VC_U
+17V
RESONANCE
BLOCK
VKNOFS1
+17V VKNOFS3
KNOFS1 VSUS
KNOFS3
BLOCK
SUS
BLOCK
IC5V
Photo Coupler
BLOCK
PDP-5020FD
7
8
+5V
+17V VSUS
VADR
REG
+6.5V
Y 2
VC_S
+17V VKNOFS4 VADR
KNOFS4
SOFT-G
BLOCK
VSNOFS
+17V VKNOFS2
VC_S
SNOFS
KNOFS2
Drive
BLOCK
Signal
+17V
+5V
Drive Signal
SUS
PreDrive
Drive Signal
LOGIC
BLOCK
VYPRST
VSNOFS VKNOFS1
VH
Y 1
VSUS MAIN
DC/DC
CONV.
VKNOFS2 VKNOFS4
VKNOFS3
VC_U
+17V
+17V IC5V VC_P
VC_S
15V
IC5V/VF
DC/DC
DC/DC
CONV.
CONV.
Scan Signal VADR
8
A
B
Y 6
C
D
Y 5
E
F
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