Yamaha PSR-S650, Service Manual

Page: 33 / 70

33
PSR-S650
TEST PROGRAM
* If the test number 52 “Factory Set” is executed, the data already set will be lost.
1 Preparations
1) Use an AC adaptor PA-300C, PA-300B or PA-301.
2) Measuring device: Frequency counter, which can detect thousandth value or more, Level meter (with JIS-C fi lter), Oscilloscope
Note: Use a stereo plug and connect a load resistor of 33 Ω to the [PHONES/OUTPUT] jack for measurement unless
otherwise speci fi ed. Input impedance of the measuring device should be 1 M Ω or more.
3) Jig: Foot switch (FC-4 or FC-5), USB cable, USB storage device
4) Controller settings
MASTER VOLUME : MAX
PEDAL : OFF
Others : Initial setting when the power is turned on
2 Starting up the Test Program
While holding down the keys [C#2], [F2] and [G#2] simultaneously, press the [STANDBY/ON] switch.
F2
C#2 G#2
3 Test procedure
1) When the test program is started, “
TEST
” will be displayed on the LCD.
2) Press the [+/YES] or [–/NO] button to select a test program item.
3) Press the [START/STOP] button to execute the test.
If the result is OK or test item is completed,
press the [START/STOP] button again to return to the item selection display.
Press the [+/YES] or [–/NO] button to select the next test item.
The names of items, for which the test result is OK, are displayed with a preceding “*”.
If the result is NG,
press the [DEMO] button or the lowest key (white key C1) to return to the item selection display.
4 Test Program List (dBu=dBm)
TEST No LCD display Test descriptions, judging conditions, etc.
1 001 Version Displays version of the ROM.
In case of OK:
In case of NG:
“
*** Prog
” “
Err Prog
”
“ *** Wave ” “ Err Wave ” *** : Version
2 002 Memory Chk1 All
Checks the ROM, RAM and Flash ROM connected to the CPU bus.
Make sure that “
Memory All OK ” is displayed on the LCD.
* If the test result is OK, the tests “003 Rom Chk1”, “004 Ram Chk1” , “005 Flash
Rom Chk1” and “006 Wave Rom Chk1” can be skipped.
3 003 Rom Chk1 Checks the ROM connected to the CPU bus.
Make sure that “
Rom OK ” is displayed on the LCD.
4 004 Ram Chk1
Checks the RAM connected to the CPU bus.
Make sure that “
Ram OK
” is displayed on the LCD.
5 005 Flash Rom Chk1
Checks the Flash ROM connected to the CPU bus.
Make sure that “
Flash Rom OK
” is displayed on the LCD.
6 006 Wave Rom Chk1 Checks the Wave ROM connected to the CPU bus.
Make sure that “
Wave Rom OK ” is displayed on the LCD.