Power Supply Block Of 60F X, Y Drive And 60F Scan A, B, C And D Assys - Pioneer PRO-141FD Service Manual

1

4.8 POWER SUPPLY BLOCK of 60F X, Y DRIVE and 60F SCAN A, B, C and D ASSYS

A
60F Y DRIVE ASSY
Logic
Pre
SUS-B
drive
IGBT
Pre
SUS-G
drive
IGBT
Pre
SUS-U
drive
IGBT
B
Pre
SUS-D
drive
IGBT
Pre
HMSK
drive
FET
Pre
LMSK
drive
FET
Pre
YPRST
drive
FET
Pre
SNOFS
drive
C
FET
YKOFS Pre
drive
1
FET
YKOFS Pre
drive
2
FET
Pre
YKOFS
drive
3
FET
Pre
YKOFS
drive
4
FET
D
Pre
RST-D
drive
FET
Pre
SOFT-G
drive
FET
Scan
Logic
60F SCAN A, B, C and D ASSYS
E
F
34
1
2
to ADDRESS ASSY
5.0V
Vadr
5.0V 5V
Reg.IC
17V
VSUS
VC_U 15V
VC_S
DC/DC
Conv.
VC_P IC5V
IC5V DC/DC
Conv.
VH
DC/DC
Conv.
VYPRST
Reg.
VSNOFS
Reg.
VYKOFS
12
Reg.
VYKOFS
3
Reg.
VYKOFS
4
Reg.
IC5V VH
Scan IC
PRO-141FD
2
3
60F X DRIVE ASSY
Logic
from POWER
SUPPLY
UNT
Pre
SUS-B
drive
IGBT
Pre
SUS-G
drive
IGBT
Pre
SUS-U
drive
IGBT
Pre
SUS-D
drive
IGBT
XPRST
FET
XSOFT-D
FET
Pre
XKOFS1
drive
FET
Pre
XKOFS2
drive
FET
Note:
VYPRST, VSNOFS, VYKOFS12, VYKOFS3, VYKOFS4
VXKOFS1 and VXKOFS2 voltages are electrical volume controls.
3
4
to ADDRESS ASSY
5.0V
from POWER
SUPPLY
UNT
Vadr
5.0V 5V 6.5V
Reg.IC
17V
VSUS
VPU
DC/DC
Conv.
VPOFS
VKOFS1 XKOFS1
Reg.
VKOFS2 XKOFS2
Reg.
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