SUPRA SVT29Z
Manual de Servicio

B. TROUBLESHOOTING OF Hi-Fi REC AND PB

No Hi-Fi sound in the playback mode

Is the FM ENVE supplied to the pin 3of IC251? YES

NO

Check the Preamp module.

Is A. SW pulse input to the pin 0 of IC251? YES

NO

Check the SYSCON.

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

NO

Is ±5V supplied to the pin 8 y I of IC251? YES

NO

Check the power circuit.

Is the signal out to the pin E e of IC251? YES

NO

Change the IC251

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

FLOW CHART

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