Main CBA Top View < TV/VCR Section >

 

 

 

 

 

 

 

 

CAUTION ! : For continued protection against risk of fire,

NOTE:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

replace only with same type 4 A, 125V fuse.

 

 

 

 

Because a hot chassis ground is present in the power

 

 

 

 

 

 

 

The voltage for parts in hot circuit is measured using

4A 125V

ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.

hot GND as a common terminal.

 

 

 

 

supply circuit, an isolation transformer must be used.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION !

 

 

Sensor CBA Top View

Also, in order to have the ability to increase the input

 

 

 

 

 

 

 

 

 

 

slowly,when troubleshooting this type power supply

 

 

 

 

 

 

 

 

Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.

 

 

 

 

circuit, a variable isolation transformer is required.

 

 

 

 

 

 

 

TO SENSOR CBA

If Main Fuse (F1601) 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.

 

 

 

 

 

 

 

 

 

 

 

 

(END-SENSOR)

 

BHF300F01011A

 

 

 

 

 

 

 

 

Otherwise it may cause some components in the power supply circuit to fail.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BHF300F01011B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WF9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP1305

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H-OUT

 

VR1601

+B ADJ

WF6

TP1403

ENV.

WF5

TP1401

V-OUT

WF1

TP1402

RF-SW

WF3

TP1202

CTL-AMP-OUT

TO SENSOR CBA (START-SENSOR)

1-11-15

BT1200F01013

Page 53
Image 53
Magnavox MWC24T5 service manual Main CBA Top View TV/VCR Section, BHF300F01011A, BHF300F01011B, 11-15 BT1200F01013