GOODMANS TX5000
Instrukcja Serwisowa

4-6. AUDIO CIRCUIT (HI-FI)
A. TROUBLESHOOTING OF EE MODE.

No sound in the EE mode

Is +5V supplied to the pin 8, y of IC251? YES

NO

Check the Power circuit.

Is +5V supplied to the pin I of IC251? YES

NO

Is signal input into the in !, @ of IC251 in TV mode? YES

NO Check the PIF circuit.

Is signal output at the pin E, e of IC251? YES

NO

Are the clock and data supplied to the pin %, ^ of IC251? YES

Check the JK601 (RCA JACK) or JK602 (SCART JACK) adjacent circuit.

Check the SYSCON

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