Hitachi P50H401/DW3-U Service Manual page 126

TROUBLESHOOTING THE 50AE1 PANEL
3.2.2 Power Supply Diagram
Y-SUS B.
Y-SUS
EVEN SW
Y-SCAN
EVEN SW
Y-SUS
ODD SW
Y-SCAN
ODD SW
POS/NEG
RESET SW
Vcc 5V
Vs 85V
Va 65V
Vw
DC/DC
CONVERTER
YFVE Vy VE
18V 18V 17V
DC/DC
CONVERTER
AC100
10A
~240V
CN1
5/3.3V
PFCgo
control
Vsago
Vcego
PSU B.
S
D
R
U
S
D
R
D
ADM1 ADM2 ADM3 ADM4
ABUSL
Vcc 5V
Va 65V
CN32
Vxwgo
D/A
CPUgo
PDPgo
MPU
Vcc 5V
Vpr2 3.3V
CN6
380V
PFC
Service
SW
PFCgo
V
pr2 3.3V
V
pr1 5V
Vsago
ADM6 ADM7 ADM8 ADM9 ADM10
ADM5
CNR2
ABUSC ABUSR
Vcc 5V
Va 65V
Vra
Vrs
Vrw
RST
Vrst
LOGIC B.
63V
Va
Vsago
5V
Vcc
CN89
Vcego
85V
Vs
CN64
Vra
124
X
B
X-SUS B.
U
S
X-SUS
U
EVEN SW
X-SCAN
EVEN SW
X-SUS
ODD SW
X
B
X-SCAN
U
ODD SW
S
D
POS/NEG
RESET SW
CN26
CN26
CN22 Vcc 5V
Vs 85V
Va 65V
X Vxx VE
FVE
18V 20V 17V
DC/DC
CONVERTER
Vcc 5V
Vs
85V
CN23