Manual Test; Tx Data - Yamaha DSP-AX2700 Service Manual

9. MANUAL TEST

The noise generator with a built-in DSP outputs the
test noise through the channels specified by the sub-
menu.
The noise frequency for LFE is 35 to 80 Hz. Other than
that, the noise frequency is 500 to 2 kHz.
TEST ALL
9.MANUAL TEST
TEST ALL
Noise is output from all channels.
TEST FRONT R
9.MANUAL TEST
TEST FRNT R
Noise is output from the FRONT R channel.
TEST SURROUND BACK L
9.MANUAL TEST
TEST SB L
Noise is output from the SURROUND
BACK L channel.
TEST PRESENCE R
9.MANUAL TEST
TEST PRES R
Noise is output from the PRESENCE R
channel.
10.RS-232C
This menu is used to check transmission of the data
and 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 to
turn off the power when shorting the pins.)
Start DIAG and select the menu.
There are two sub-menu items.

TX DATA

The sub-menu is used to check transmission of the test
data. "OK" appears when the data is transmitted properly
and "NG" when it is not.
In this mode, NULL command transmission is continued
after the test command is transmitted.
TEST FRONT L
9.MANUAL TEST
TEST FRNT L
Noise is output from the FRONT L channel.
TEST SURROUND R
9.MANUAL TEST
TEST SURR R
Noise is output from the SURROUND R
channel.
TEST SURROUND L
9.MANUAL TEST
TEST SURR L
Noise is output from the SURROUND L
channel.
TEST LFE
9.MANUAL TEST
TEST LFE
Noise is output from the SUB
WOOFER channel.
RxD TxD
1 2 3 4 5
6 7 8 9
RTS CTS
10.RS-232C
TX DATA: NG
RX-V2700/DSP-AX2700
TEST CENTER
9.MANUAL TEST
TEST CENTER
Noise is output from the CENTER
channel.
TEST SURROUND BACK R
9.MANUAL TEST
TEST SB R
Noise is output from the SURROUND
BACK R channel.
TEST PRESENCE L
9.MANUAL TEST
TEST PRES L
Noise is output from the PRESENCE L
channel.
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