Magnavox 19MDTR20 Service Manual page 137

Main CBA Top View < TV/VCR Section >
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 REQUIRED.
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
4A 125V
MÊME TYPE DE 4A, 125V.
TO SENSOR CBA
(END-SENSOR)
1-8-23
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F2601) 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.
Sensor CBA Top View
BHF300F01011A
BHF300F01011B
WF18
TP673
DVD-C
WF17
TP672
DVD-Y
J302
B-OUT
VR601
+B ADJ
D613 Cathode
(+B Adjustment)
WF15
PIN 58
OF IC201
WF16
PIN 59
OF IC201
WF5
TP401
V-OUT
TO SENSOR CBA
(START-SENSOR)
1-8-24 BT1000F01012