Magnavox 19MF301B Service Manual download pdf (Page 45)

8-14 FL11.0BTR

Check SP861,SP862 and their periphery circuit,

and service it if defective.

Are the audio(L/R) signals inputted to Pin(1, 9)

of IC801?

Ye s

Audio is not outputted normally.(PC Audio input)

FLOW CHART NO.5

Are the audio(L/R) signals inputted to Pin(1, 12)

of IC771?

Check the line between Pin(1, 12) of IC771 and input

terminal(JK711), and service it if defective.

Are the audio(L/R) signals outputte

d to Pin(4, 6)

of IC801?

Check IC801 an

d their periphery circuit, and

service it if defective.

Ye s

Are the audio(L/R) signals inputted to Pin(6, 8) of

CN301?

Replace Digital Main CBA Unit.

Check the line between Pin(1, 7) of IC803 and

Pin(1, 9) of IC801, and service it if defective.

Are the audio(L/R) signals inputted to Pin(3, 5)

of IC803?

Ye s

Check the line between Pin(6, 8

) of CN301 and

Pin(3, 5) of IC803, and service it if defective.

Are the audio(L/R) si

gnals outputted to Pin(1, 7)

of IC803?

Ye s

Replace IC803

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 136 137

No comments

Magnavox 19MF301B Service Manual Page 45