Yamaha YSP-1 Service Manual

Also see for YSP-1: Product catalog Brochure Owner's manual Owner's manual Owner's manual

Contents

YSP-129YSP-1HARD FLOWThis sub-menu is used to check operation of the flow portof the hardware. “OK” appears when the check result issatisfactory and “NG” when it is not.5. RS-232CThis menu is used to check transmission of the dataand the flow port of the hardware.With the power turned off, short between pins No.2(RxD) and No.3 (TxD), and between pins No.7 (RTS)and No.8 (CTS) of the RS-232C terminal. (Be sure toturn off the power when shorting the pins.)Start DIAG and select the menu.There are two sub-menu items.TxD/RxD DATAThe sub-menu is used to check transmission of the testdata. “OK” appears when the data is transmitted properlyand “NG” when it is not.In this mode, NULL command transmission is continuedafter the test command is transmitted.RxDRTS CTSTxD1 2 36 7 8 94 54. MANUAL TESTThe noise generator with a built-in DSP outputs the testnoise through the channels specified by the sub-menu.The noise frequency for LFE is 35 to 250 Hz. Other thanthat, the center frequency is 800Hz.TEST ALL TEST FRONT L TEST CENTERTEST FRONT R TEST SURROUND RNoise is output from all channels. Noise is output from the FRONT L channel. Noise is output from the CENTERchannel.Noise is output from the FRONT R channel.TEST SURROUND LNoise is output from the SURROUND Lchannel.Noise is output from the SURROUND Rchannel.TEST LFENoise is output from the SUBWOOFER channel.