Main Drive And 50X Sub Drive Assys - Pioneer PDP-507XD Service Manual

5
4.7 50X MAIN DRIVE and 50X SUB DRIVE ASSYS
X 8
+60V
DC/DC
+16.5V
X 1
Drive Signal
LOGIC
BLOCK
Drive Signal
5
6
50X SUB DRIVE ASSY
VSUS +16.5V
VF
15V
CONV.
+16.5 +5V
RESONANCE
BLOCK
DK MOD.
(IC1104)
VRN
+16.5V
DC/DC
CONV.
+5V +60V
X 3
6
7
+16.5V +5V VSUS
MASK
BLOCK
+5V
+6.5V
REGULATOR
+16.5V +5V VSUS
X 2
Drive Signal
MASK
BLOCK
PSUS
–RESET
BLOCK
VRN
+16.5V +5V VSUS
MASK
BLOCK
50X MAIN DRIVE ASSY
PDP-507XD
7
8
PSU
X 7
X 6
PSUS
PSUS
51
8
A
B
C
D
E
F