AIWA FRCD2500 U S EZ S
Manual de Servicio

ELECTRICAL ADJUSTMENT-3/3 (CD SECTION)

< CD SECTION >

CD C.B

2

VR2

VR1

RF C17 IC2 3

1 1
test point VREF

JW35

2

TSO

1. RF Adjustment Test point: RF (IC2 1PIN) and VREF (IC2 3PIN) 1) Connect the oscilloscope to the test points. 2) Turn on power switch. 3) Load test disc (TDC-782) and play the second track. 4) Adjust VR1 so that RF waveform is maximum. 5) Turn off power switch.

2. EF Balance Adjustment Test point: TSO (IC2 35PIN) and VREF (IC2 3PIN) 1) Connect an oscilloscope to the test points. 2) Turn on power switch. 3) Load test disc (TCD-782) and play. 4) Press skip button so that EF waveform appears. 5) Adjust VR2 so that EF waveform is symmetrical. 6) Turn off power switch.

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