Test 41 - Function: Video Out Check (Pal Rgb); Test 42 - Function: Rgb Out Check; Test 43 - Function: Usb To Device/Host Check - Yamaha TYROS4 Service Manual

Tyros4
Test 41
Function: Video Out check (PAL RGB)
Description:
Conducts RGB (PAL) test of the [VIDEO OUT] terminal.
Connect a color CRT monitor that can display in NTSC and
PAL systems to the [VIDEO OUT] terminal with a video
cable (75Ω coaxial).
Check that RGB color bars (red, green and blue) are shown
on the TV.
Displayed Message:
０４１：ＶＩＤＥＯ ＯＵＴ ＰＡＬ ＲＧＢ
Test 42
Function: RGB Out check
Description:
Conducts RGB test of the [RGB OUT] terminal.
Connect a color CRT monitor that can display in RGB to the
[RGB OUT] terminal.
Check that RGB color bars (red, green and blue) are shown
on the RGB monitor.
Displayed Message:
０４２：ＲＧＢ Ｏｕｔ Ｃｈｅｃｋ
90
Selected screen
ＰＡ L
During checking
Selected screen
Test 43
Function: USB to Device/Host check
Description:
Conducts checking of the [USB TO DEVICE] terminal and
[USB TO HOST] terminal simultaneously.
Start checking without connecting a USB cable in a loop.
The sine wave C4 note sound will be produced if the result of
the two tests is OK.
Displayed Message:
０４３：ＵＳＢ ｔｏ Ｄｅｖｉｃｅ／Ｈｏｓｔ Ｃｈｅｃｋ
０４３：ＵＳＢ ｔｏ Ｄｅｖｉｃｅ／Ｈｏｓｔ Ｃｈｅｃｋ
Ｃｏｎｎｅｃｔ Ｄｅｖｉｃｅ−Ｈｏｓｔ（Ｒｅａｒ）
* When the screen appears, connect the [USB TO DEVICE]
terminal on the rear side and [USB TO HOST] terminal with
a USB cable.
Checking [USB TO DEVICE] and [USB TO HOST]
ＲＧＢ
During checking
Selected screen