Yamaha PORTATONE PSR-530 Service Manual page 15

PSR-530
14 014: Output R
Connect the level meter (with a JIS-C filter) to the [PHONES] jack. (30 Q load)
Set the [MASTER VOLUME] at maximum.
Check output level (1 kHz).
PHONES L: Less than -78 dBm
PHONES R: -30 dBm ±2 dB
15 015: Output L
Connect the level meter (with a JIS-C filter) to the [PHONES] jack. (30 Q load)
Set the [MASTER VOLUME] control at maximum.
Check output level (1 kHz).
PHONES L: -30 dBm ± 2 dB
PHONES R: Less than -78 dBm
19 019: Noise
Connect the level meter (with a JIS-C filter) to the [PHONES] jack. (300 load)
Set the [MASTER VOLUME] control at maximum.
Check D/A converter noise.
PHONES L/R: Less than -80 dBm
20
020: SW Chk Check switches and LEDs on the panel.
Press the switch which is displayed on the LCD. A pre-assigned note is output when
depressing the switch. (With some switches, the corresponding LED will light up).
Also check the dial by turning it; the LCD displays OK.
21 021: PLED Check that all panel LEDs are lit up.
28 028: LCD On Check that all LCD dots are on. The LCD becomes black.
29 029: LCD Off Check that all LCD dots are off. The LCD becomes white.
31 031: PD1 Chk Check that C3 note is output when pushing the pedal and C4 is output when releasing
the pedal, and the LCD displays OK.
33 033: PB Chk Check that C3 note is output when rotating the [PITCH BEND] wheel to minimum and
C4 is output when rotating it to maximum, and the LCD displays OK.
37 037: MIDI Chk After connecting the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable, execute
the test. Check that C4 note is output and the test result appears on the LCD.
38 038: Host Chk For factory test use only.
40 040: Battery Chk Remove the AC adapter and put the batteries into the battery box.
Check the LCD displays OK.
^41
041: Rom Chk2 Checks the PROGRAM ROM.
^42
042: Ram Chk2 Checks all RAMs which are connected to CPU.
^43
043: WRom Chk2 Checks WAVE ROM.
ms
045: MC Chk2 Insert the music cartridge into the cartridge slot.
Checks the music cartridge connector.
me
046: Back Up2 Performs the RAM back up check..
47
047: Factory
All RAMs are initialized and set to the factory preset data when executing this test.
48
048: Exit
Exit from the test program when executing this test.
Note: 0 dBm =0.775 V
^ NOTE: The above tests Nos. 41-46, require approximately 25 minutes to conduct.
If the time is not available to perform the tests, exit the program by pressing the [TEMPOA] button.
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