Magnavox 40MF430B - Service Manual download pdf (Page 30)

8-2 FL10.5TR

Check if there is any leak or short-circuit on the loaded

circuit, and service it if defective.

AL+4.3V is not output.

FLOW CHART NO.5

Is approximately +4.3V voltage supplied to the

cathode of D1102?

Ye s

Check C1102, D1102 and their periphery circuit,

and service it if defective.

Check if there is any leak or s

hort-circuit on the loaded

circuit, and service it if defective.

PANEL+24V is not output.

Is approximately +24V voltage supplied to the

cathode of D1721?

Ye s

Check C1725, C1727, D1721 and their periphery

circuit, and service it if defective.

Check if there is any leak or s

hort-circuit on the loaded

circuit, and service it if defective.

P-ON+7.5V is not output.

Is approximately +8V voltage supplied to the

cathode of D662?

Ye s

Check C659, D662 and their periphery circuit, and

service it if defective.

Check D2638, R

2655 and their periphery circuit, and

service it if defective.

TUNER+35V is not output.

FLOW CHART NO.9

Is approximately +38V voltage supplied to the

cathode of D651?

Ye s

Check C652, D651, D652 and their periphery

circuit, and service it if defective.

AL+3.3V is not output.

FLOW CHART NO.6

Is approximately +4.3V voltage supplied to Pin(1) of

IC2631?

Ye s

Replace IC2631.

Check C1102, D1102 and their periphery circuit,

and service it if defective.

FLOW CHART NO.7

FLOW CHART NO.8

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 81 82

Comments to this Manuals

No comments

Magnavox 40MF430B - Service Manual Page 30

Comments to this Manuals

Related products and manuals for LCD TVs Magnavox 40MF430B -