Yamaha Clavinova CVP-405 Service Manual page 73

Test No. LCD display
046 : USB to Device/Host Check Checking [USB TO DEVICE] terminal and [USB TO HOST] terminal simultaneously.
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047 : USB Storage Device Check Tests if USB Storage devices can be used.
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048 : LAN Check
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049 : Keyboard Type Check Determines if the appropriate keyboard is connected. Keyboard type currently
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50 050 : Make Position Check Checks GH3 MakePosition (PingPongPang mode)
51 051 : 1-2Make Check
52 052 : 2-3Make Check
053 : ROM Check2
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054 : RAM Check2
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055 : Flash Check2
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056 : Wave ROM Check2 Test for factory inspection.
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057 : Effect RAM Check2 Test for factory inspection.
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Test descriptions, judging conditions, etc.
There are 2 types of [USB TO DEVICE] terminal; one is terminal located on the panel
and the other is terminal located on the jack unit. Perform this check with each of these
terminals.
1. Press the [START/STOP] button fi rst. "Device-Host1 Check --" will appear on LCD.
2. When USB cable is connected to [USB TO DEVICE] terminal and [USB TO HOST]
terminal, "Device-Host1 Check OK" is displayed on LCD, immediately followed by
"Device-Host2 Check --".
3. Pull USB cable off [USB TO DEVICE] terminal and [USB TO HOST] terminal and
insert the USB fl ash memory to [USB TO DEVICE] terminal.
Confi rm that "USB to Device/Host Check OK" is displayed on LCD and the C4 note
is output.
Perform this check with each of [USB TO DEVICE] terminal.
When USB-FDD unit is used
1. Connect FDD to [USB TO DEVICE] terminal and insert a fl oppy disk.
When no disk is inserted, "NO DISK" will be displayed on LCD. Also, when the fl oppy
disk has not been formatted, "UNFORMAT DISK" is displayed and when the protect
function is applied to it, "PROTECT DISK" is displayed on LCD.
2. Conduct 10-sector read/write test.
3. Read every 100 sectors from 0 sector.
4. Compare with data after sector writing to confi rm agreement.
Use also for testing compatibility with USB Storage devices and testing FDD in the
same package.
Confi rm that "USB Storage Device Check OK" is displayed on LCD.
When USB fl ash memory is used
Insert the USB fl ash memory and press the [START/STOP] button.
Confi rm that "USB Storage Device Check OK" is displayed on LCD.
Checks LAN.
After connecting the [LAN] terminal and the LAN port of the router (BBR-4MG) with a
LAN cable, execute the test. Confi rm that "LAN Check OK" is displayed on LCD.
Remove the LAN cable when the test is over.
connected is displayed.
Determines OK if the LSIs for three keyboards (Lo, Md and Hi) are all identifi ed as the
GH3 Keyboard.
Confi rm that "Keyboard Type Check OK (Lo: GH3 Md: GH3 Hi: GH3)" is displayed
on LCD.
"Note: xxMake 1" -> "Note: xxMake12" -> "Note: xxMake 123" are displayed on LCD
while testing. 0, +4 and +7 notes are output with a velocity of 127 for every three Makes.
For example, if pressing the C key on the keyboard, each note CEG is output.
Releasing the key, sound output sequentially stops.
Checks 1-2Make.
"Note: xx" (Note No.) and "1-2MakeVel: nn" (Make velocity) is displayed while
testing. Sound is output with a velocity calculated by the 1-2Make. The value nn varies
depending on the velocity with which the key is pressed. (nn: 127 max.)
Checks 2-3Make.
"Note: xx" (Note No.) and "2-3MakeVel: nn" (Make velocity) is displayed while
testing. Sound is output with a velocity calculated by the 2-3Make. The value nn varies
depending on the velocity with which the key is pressed. (nn: 127 max.)
Test for factory inspection.
Test for factory inspection.
Test for factory inspection.
CVP-405/CVP-405PE/CVP-405PM
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