Yamaha TF5 Service Manual page 150

TF5/TF3/TF1
7-9. CH NAME
The example of a screen of the product test.
7-9-1. CH_NAME_1 (CH1-CH8)
[Contents]
Inspect the channel name display of CH1-CH8 by checking
the test pattern displayed on it.
[Procedure]
<GUI>
CH NAME(CH01-08) diag result.
FAIL
Four kinds of test patterns mentioned later turn a [TOUCH
AND TURN] knob. Check whether they are displayed as
specifi cation.
If a check is completed, the judgment of [FAIL] or [PASS]
will be performed.
<TEST PATTERN>
Pattern 1 : All dots on
Pattern 2 : All dots off
Pattern 3 : Checkerd + Out frame 1dot
Pattern 4 : L + Slanting line
150
PASS
7-9-2. CH_NAME_2 (CH9-CH16)
7-9-3. CH_NAME_3 (CH17-CH24)
7-9-4. CH_NAME_4 (CH25-CH32)
[Contents]
Although the target of the inspection replaces CH9-16,
CH17-24 or CH25-32, the contents are the same as that of
"7-9-1. CH_NAME_1".
"7-9-3. CH_NAME_3" function is for TF5 and TF3.
"7-9-4. CH_NAME_4" function is for TF5 only.
7-10. SWITCH
The example of a screen of the product test.
7-10-1. SW_PNL
[Contents]
Inspect the switches on the PNL circuit board.
It judges by detecting operation of the target switches.
[Procedure]
<GUI>
Operate switches on sheet PNL.
ABORT
Popup dialog as shown in the above fi gure is displayed on
the screen. Operate the switches which have been the targets
of the inspection.
LED built in the target switch turns on. If operation is
detected, LED will turn off.
If operation of all the switches is detected, popup dialog will
be closed automatically.
When popup dialog does not close in spite of having operated
it, push the [ABORT] button. Close the popup dialog.