Main Drive And 50Y Sub Drive Assys (Pdp-5016Hd) - Pioneer PDP-5016HD Service Manual

1
3.12 50Y MAIN DRIVE and 50Y SUB DRIVE ASSYS (PDP-5016HD)
QQ
3 7 63 1515 0
A
B
C
TE
L 13942296513
D
E
www
F
64
1
http://www.xiaoyu163.com
2
+5V VSUS
PSUS
MASK
BLOCK
Y9
Y8
VH
VH DC/DC
CONV.
Vprst
Vprst Reg.
+5V VSUS +16.5V
PSUS
MASK
BLOCK
+5V VSUS +16.5V
MASK
PSUS
BLOCK
VH
IC5V
IC5V
x ao
y
. i
Photo Coupler
BLOCK
Y2
PDP-5016HD
2
http://www.xiaoyu163.com
3
8
+16.5V
50Y SUB DRIVE ASSY
Vprst
VSUS
+RESET
BLOCK
VOFS
VOFS
DC/DC
CONV.
VSUS
+5V
+6.5V
REGULATOR
Q Q
3 6 7 1 3
+16.5V
+5V +16.5V
Y4
RESONANCE
BLOCK
DK MOD.
(IC2107)
+16.5V
SOFT-D
BLOCK
+16.5V
IC5V
IC5V/VF
u163
DC/DC
VF
CONV.
.
Scan Signal
50Y MAIN DRIVE ASSY
3
4
2 9 9 4 2 8
Y12
VOFS
60V
OFFSET
BLOCK
+16.5V
1 5 0 5 8 2 9 9 4
+5V
LOGIC
BLOCK
Y1
m
co
Y5
5V
60V
4
9 9
2 8 9 9