Power Supply Block Of 50F X, Y Drive And 50F Scan A, B, C And D Assys - Pioneer PRO-110FD Service Manual

5

4.8 POWER SUPPLY BLOCK of 50F X, Y DRIVE and 50F SCAN A, B, C and D ASSYS

50F Y DRIVE ASSY
Logic
Pre
SUS-B
drive
FET
Pre
SUS-G
drive
FET
Pre
SUS-U
drive
IGBT
Pre
SUS-D
drive
IGBT
Pre
HMSK
drive
FET
Pre
LMSK
drive
FET
Pre
YPRST
drive
FET
Pre
SNOFS
drive
FET
YKOFS Pre
1 drive
FET
YKOFS Pre
2 drive
FET
Pre
YKOFS
drive
3
FET
Pre
YKOFS
drive
4
FET
Pre
RST-D
drive
FET
Pre
SOFT-G
drive
FET
Scan
Logic
IC5V
50F SCAN A, B, C, D ASSYS
5
6
to
ADDRESS ASSY
3.3V 3.3V 5.1V
Reg.IC
9V
12V
9V
Reg.IC
6.5V
5.0V 5V
Reg.IC
16.5V
VSUS
from
VF1
15V
POWER
VF2
DC/DC Conv.
SUPPLY
VF3
IC5V
IC5V
DC/DC Conv.
VH
DC/DC
Conv.
VYPRST
Reg.
VSNOFS
Reg.
VYKOFS
12
Reg.
VYKOFS
3
Reg.
VYKOFS
4
Reg.
VH
Scan IC
6
7
50F X DRIVE ASSY
Logic
Pre
SUS-B
drive
FET
Pre
SUS-G
drive
FET
Pre
SUS-U
drive
IGBT
Pre
SUS-D
drive
IGBT
Pre
XPRST
drive
FET
Pre
XSOFT-G
drive
FET
Pre
XKOFS1
drive
FET
Pre
XKOFS2
drive
FET
Note:
VYPRST, VSNOFS, VYKOFS12, VYKOFS3, VYKOFS4
VXKOFS1 and VXKOFS2 voltages are electrical volume controls.
PDP-5010FD
7
8
to
ADDRESS ASSY
3.3V 3.3V 5.1V
Reg.IC
5.0V
9.0V 9V 12V
Reg.IC
5.0V 5V 6.5V
Reg.IC
16.5V
VSUS
from
VF
DC/DC
POWER
Conv.
SUPPLY
VPOFS
VXKOFS1
VXKOFS1
Reg.
VXKOFS2
VXKOFS2
Reg.
8
A
B
C
D
E
F
31