Yamaha AVC-50 AVC-50 OWNERS MANUAL - Page 25

TROU3LESHORING If the AVC-50 fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the AVC-50's power cord and contact your dealer or service center for help il l li ^ A 14. tMr.7irr The amplifier fails to turn on when the POWER switch is pressed. The Remote Control Unit falls to operate the AVC-50 or another unit. No sound. Sound "horn s". . ,i11. All;' ,,,, , ,y, .,,, •Aill, .4.,. ! Al.", ,, r ": 4rr ,r , • '.01., . I lit Power cord is not plugged in or is not completely inserted. Batteries are dead. Remote not aimed properly. Connections faulty. Incorrect output cable connections. Incorrect amplifier operation. Incorrect cable connections. No picture. Enhance controls have no effect. Enhance controls worsen picture. Incorrect cable connections. Wrong video unit selected. Video unit not turned on. El)N,0:---F Switch out. PE,REC Switch in wrong position. SH-IARPNESS or DETAIL controls set too high. Poor source quality. lit AVC-50 111 . ''' ' 1Lit .. 4 C 4 F kg Firmly plug In the power cord. ' '' .t. Ill : '':i 4; li,, Replace batteries Aim Remote at AVC-50 or CD player. Firmly connect Remote cables. Connect cables properly. If the problem persists, the cables may be defective. Set the amplifier controls to the correct input selection. Firmly connect the audio plugs. If the problem persists, the cables may be defective Connect the Video plugs correctly. Select correct video unit. Turn video unit on. Press ON/OFF Switch in. Select correct PB/REC Switch position. Set SHARPNESS AND DETAIL controls to a lower level. Obtain better source material. 25