VR501
SW-P
WF2
TP502
RF-SW
TP501
CTL
TP507
S-INH
WF5
TP301
C-PB
TP506
END-S
WF1
TP751
V-OUT
1-10-79
BHC400F01017-A
Main CBA Top View
BHB300F01011-A
BHB300F01011-B
Sensor CBA Top View
1-10-80
1-10-81
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN
THE POWER
SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED
.
ALSO , IN ORDER TO HAVE THE ABILITY TO INCREASE
THE INPUT
SLOWLY , WHEN TROUBLESHOOTING THIS TYPE
POWER SUPPLY
CIRCUIT , A VARIABLE ISOLATION TRANSFORMER IS REQ
UIRED.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION
FOR CONTINUED PROTECTION AGAINST
FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
CAUTION !
Fixed voltage (or Auto voltage selectable ) power
supply circuit is used in this unit.
If Main Fuse (F001) is blown, check to see that all components
in the power supply
circuit are not defective before you connect the AC
plug to the AC power supply.
Otherwise it may cause some components in the power
supply circuit to fail.
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