Panasonic Inverter NN-A574SBBTQ Service Manual page 16

HEAT SINK
RECTIFIER BRIDGE
CHOKE COIL
SAND BAR RESISTOR
CURRENT TRANSFORMER
PRESET VOLUME
(DO NOT ADJUST)
CONTROL BOARD
WITH CUSTOM IC
PHOTOCOUPLER
figure 16 Inverter circuit board layout
10.6 Inverter power supply unit
Warning
Do not attempt to make any measurements in the high
voltage circuit of the inverter or magnetron.
See troubleshooting of the inverter circuit and magne-
tron on <$elemtextto determine if the inverter power
supply is still functioning.
DANGER HIGH VOLTAGE AND
TEMPERATURE (HOT/LIVE) HEAT SINK
HIGH VOLTAGE TRANSFORMER
CN 701
CN 702
HIGH VOLTAGE REMAINS IN
CAPACITORS
16
FILM CAPACITORS
HIGH VOLTAGE
DIODES
HIGH VOLTAGE
CAPACITORS