Test Program; Test Items - Yamaha PORTATONE PSR-530 Service Manual

PSR-530
■ TEST PROGRAM
1. PREPARATION
To check the unit using the test program, the following measuring instruments and jigs will be required:
• Measuring instruments and jigs:
Level meter (with a JIS-C filter)
Frequency counter
IKNotes: Impedance must be IM Q or above.
Use stereo plugs, and connect 30 Q load at [PHONES] jack.
Music cartridge. Foot switch (FC4 or FC5), MIDI cable
2. HOW TO ENTER THE TEST PROGRAM
While depressing the C2#, F2 and G2# keys, turn the [STAND BY/ON] switch on.
3. PROCEEDING THROUGH THE TEST PROGRAM
• The LCD will display "TEST' when entering the test program.
• To select the program number, use [TEMPO A/V] button.
• To execute the test, press the [START/STOP] button.
• The LCD will display "OIC' when the test result is OK.
To proceed to the next test, press the [START/STOP] button again.
• The LCD will display "NG" when the test result is NG.
Press the [DEMO] button to proceed the next test.
While the test NO. 37 "MIDI check" result is NG, turn the [STAND BY/ON] switch off and re-enter the test
program.
4. TEST ITEMS
TEST
NO.
LCD display (Initial) Test Functions and Judgment criteria
1 001: Version Displays version for ROM (MAIN, STYLE, and WAVE).
2
002: Rom Chki Checks the PROGRAM ROM.
3 003; Ram Chki
Checks all RAMs which are connected to CPU.
4
004: WRom Chki Checks WAVE ROM.
6
006: MC Chk 1 Insert the music cartridge into the cartridge slot.
Checks the music cartridge connector.
9
009: Effi Chk Checks Reverb effect Ram.
Check that C3 note is output during this test.
11 oil: TGI Chk Outputs the sine wave by changing the channels in sequence from AO to C6.
When a voice switch is depressed, the tone of the voice will sound. After autoscaling is
finished, individual keys can be played. (If playing two or more keys simultaneously, the
first depressed key has priority to make sound.)
13
013: Pit Chk
Connect the frequency counter to the [PHONES] jack.
Check that the 440.0 ±0.22 Hz signal is output.
Check output level (1 kHz) at this time.
Connect the level meter (with a JIS-C filter) to the [PHONES] jack. (30 Q load)
PHONES L/R : -35 dBm±2 dB
Connect the level meter (with a JIS-C filter) to the [AUX OUT] jacks.
AUX OUT L/R : -24.5 dBm ±2 dB
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