Magnavox 19MF301B Service Manual download pdf (Page 33)

8-2 FL11.0ATR

Check Q211, Q212, P-ON-H1 line and their periphery

circuit, and service it if defective.

PANEL+24V is not output.

FLOW CHART NO.6

Is approximately

+24V voltage supplied to the emitter

of Q211?

Ye s

See FLOW CHART No.5 <P-ON+24V is not output.>

Replace IC202.

Is approximately +

4V voltage supplied to Pin(2) of

IC202?

Ye s

Check Q202, Q203, D201, P-ON-H1

line and their

peripher

y circuit, and service it if def

ective.

PANEL+13V is not output.

FLOW CHART NO.7

Is approximately +17V voltage supplied to Pin(1) of

IC202?

Ye s

Check C631, D631, D668

and their periphery circuit,

and service it if defec

tive.

+11V(AMP+11V) is not output.

FLOW CHART NO.8

Is approximately +11V voltage supplied to the

cathode of D670?

Check C695, D670, D671, D672 and their periphery

circuit, and service it if defective.

Ye s

Check if there is

any leak or short-circuit on

the loaded circuit, and ser

vice it if defective.

P-ON+24V is not output.

FLOW CHART NO.5

Is approximately +24V voltage supplied to the

cathode of D632?

Check C632, D632, D633 and their periphery

circuit, and service it if defective.

Ye s

Check if there is any leak or short-circuit on

the loaded circuit, and service it if de

fective.

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Magnavox 19MF301B Service Manual Page 33

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