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PSR-540

16

14

014: Output R

Connect the level meter (with a JIS-C filter) to the [PHONE/AUX OUT] jack. (33
ohm load)
Set the [MASTER VOLUME] at maximum.
Check the output level (1kHz).

Phones L: Less than -60.0 dBm
Phones R: -10 dBm +/- 2 dB

15

015: Output L

Connect the level meter (with a JIS-C filter) to the [PHONE/AUX OUT] jack. (33
ohm load)
Set the [MASTER VOLUME] at maximum.
Check the output level (1kHz).

Phones L: -10 dBm +/- 2 dB
Phones R: Less than -60.0 dBm

19

019: D/A Noise

Connect the level meter (with a JIS-C filter) to the [PHONE/AUX OUT] jack. (33
ohm load)
Set the [MASTER VOLUME] at maximum.

Phones L/R: Less than -80 dBm

20

020: SW, LED Chk

Check the switches on the panel.
Press the switches that are displayed on the LCD.
A pre-assigned note is output when pressing the switch.
The test results appear on the LCD.

21

021: ALL LED On

Check that the LED on the panel is on.

22

022: Red LED On

Check that the red LED on the panel is on.

23

023: Green LED On

Check that the green LED on the panel is on.

28

028: All LCD On

Check that all LCD dots are on.

29

029: All LCD Off

Check that all LCD dots are off. The LCD becomes white

31

031: Pedal1 Chk

Connect the foot switch to the [FOOT SWITCH] jack.
Check that the C3 note is output when starting the test program.
Check that the C4 note is output when pressing the pedal and that the tone is
turned off when releasing the pedal.
The test results appear on the LCD.

37

037: Midi Chk

After connecting the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable, ex-
ecute the test.
Check that the C4 note is output and that the test results appear on the LCD.

38

038: To Host Chk

For factory test use only

40

040: Battery Chk

Checks the voltage of the Battery terminal

41

041: Rom Chk2

Checks the ROM
The test results appear on the LCD.

42

042: Ram Chk2

Checks the RAMs that are connected to the CPU.
The test results appear on the LCD.

43

043: WaveRom Chk2

Checks the WAVE ROMs that are connected to the CPU.
The test results appear on the LCD.

44

044: WaveRam Chk1

Checks all the WAVE RAMs that are connected to the CPU.
The test results appear on the LCD.

46

046: Backup Chk2

Performa the RAM back-up check.
Check that the display reads “NG,” then turn off the power switch.
Enter the test program and perform the RAM back-up checks, then check again.
Check that the LCD displays “OK.”

Note: Do not turn on the power switch by normal mode while standing by, as

the RAM data will be lost.

47

047: Factry Set

All the RAMs are initialized and set to the factory preset date when executing
this test. The results appear on the LCD.

48

048: Test Exit

Exit from the test program after executing this test.

1

001: Version

Displays Rom version
Rom (Program, Wave) versions are displayed alternately on the LCD.

2

002: Rom Chk1

Checks the ROM
The tset results appear on the LCD.

3

003: Ram Chk1

Checks all the RAMs that are connected to the CPU.
The test results appear on the LCD.

4

004: WaveRomChk1

Checks the WAVE ROMs that are connected to the CPU.
The test results appear on the LCD.

7

007: FDD Chk

Insert the floppy disks one by one (2DD and 2HD).
Checks the floppy disk drive unit

9

009: Eff1Ram Chk

Checks the effect RAM1

11

011: TG1 Chk

Outputs the sine wave by changing the channels in sequence from C2 to G4.
After auto-scaling is finished, individual keys can be played. (If playing two or
more keys simultaneously, the first pressed key has priority to make a sound.)

13

013: Pitch Chk

Connect the frequency counter to the [PHONE/AUX OUT] jack.
Set PAN to Center and produce a signal at 440 Hz +/- 0.22.
Check that the correct signal is produced.

1. TEST PROGRAM

A. PREPARATION

1)

PA-6 (AC adapter) is used.

2)

The volume is usually moved to the use position when no volume change is required.

3)

Measuring instruments:

Frequency counter

Level meter (with JIS-C filter)

Note: Use a stereo plug to the [PHONES / AUX OUT] jack at 33 ohms.

4)

Jigs:

Foot switch, MIDI cable, Floppy Disk(2HD, 2DD)

B. HOW TO ENTER THE TEST PROGRAM

AUTO MODE

While pressing the C3#, F3 and G3# keys, turn the [STAND BY/ON] switch to the “ON” position.

MANUAL MODE

While pressing the C2#, F2 and G2# keys, turn the [STAND BY/ON] switch to the “ON” position.

C. PROCEEDING THROUGH THE TEST PROGRAM

AUTO MODE

When the test program is started, the test is automatically executed.

When confirmation is necessary, the test program stops operating and waits for instruction. At this time,

press the [START/STOP] button; the next test is automatically executed.

MANUAL MODE

The LCD will display “TEST” when entering the test program.

To select the program number, use the [BANK +] and [NEXT -] buttons.

To execute the test, press the [START/STOP] button.

To proceed to the next test, press the [START/STOP] button.

D. TEST PROGRAM LIST

TEST.NO

LCD(initial)

Test functions and Judgement Criteria

Содержание Portatone PSR-540

Страница 1: ...IFICATIONS 3 PANEL LAYOUT 4 CIRCUIT BOARD LAYOUT 5 BLOCK DIAGRAM 6 DISASSEMBLY PROCEDURE 7 LSI PIN DESCRIPTION 9 IC BLOCK DIAGRAM 11 CIRCUIT BOARDS 12 TEST PROGRAM INITIALIZE 16 MIDI IMPLEMENTATION CHART 18 PARTS LIST OVERALL CIRCUIT DIAGRAM SERVICE MANUAL PK 001629 ...

Страница 2: ...PSR 540 6 28CA1 8813687 ...

Страница 3: ...ry data bus 123 CMD0 I O Program memory Data bus 40 SMD15 I O Wave memory data bus 124 CMA21 O Program address bus 41 SOE O read signal 125 PDT15 I O SWX access data bus 42 SWE O write signal 126 PDT14 I O SWX access data bus 43 SRAS O RAS signal 127 PDT13 I O SWX access data bus 44 SCAS O CAS signal 128 PDT12 I O SWX access data bus 45 REFRESH O REFRESH signal 129 PDT11 I O SWX access data bus 46...

Страница 4: ... DS3 O 27 NUM3 I 59 VSS8 Ground 28 IFS I Host interface select 60 MON0 O 29 SFORM I Format data 61 MON1 O Motor on 30 INP I Index pulse 62 MON2 O 31 READY I Ready from FDD 63 MON3 O 32 WPRT I Write control signal 64 VSS9 Ground KS0065B XV933A00 LCD DRIVER PIN NO NAME I O FUNCTION PIN NO NAME I O FUNCTION 1 SC29 O 31 Vcc LCD driver circuit 5V 2 SC28 O 32 CL1 I Data shift 3 SC27 O 33 CL2 I Latch clo...

Страница 5: ...0 O 17 S6 O 57 C11 O 18 S5 O 58 C12 O 19 S4 O 59 C13 O 20 S3 O 60 C14 O 21 S2 O 61 C15 O 22 S1 O 62 C16 O 23 Vss Ground 63 S40 O 24 OSC1 I Oscillator 64 S39 O 25 OSC2 O Oscillator 65 S38 O 26 V1 66 S37 O 27 V2 67 S36 O 28 V3 Power supply 68 S35 O 29 V4 69 S34 O 30 V5 70 S33 O 31 CLK1 O Data latch clock 71 S32 O Segment signal output for LCD 32 CLK2 O Data shift clock 72 S31 O driving 33 Vdd Power ...

Страница 6: ...heck again Check that the LCD displays OK Note Do not turn on the power switch by normal mode while standing by as the RAM data will be lost 47 047 Factry Set All the RAMs are initialized and set to the factory preset date when executing this test The results appear on the LCD 48 048 Test Exit Exit from the test program after executing this test 1 001 Version Displays Rom version Rom Program Wave ...

Страница 7: ...henever the power is turned on The data listed below are backed up i e retained in the memory as long as either an AC adaptor is connected or a set of batteries is installed User Song Data Metronome Volume User One Touch Setting Data Touch On Off One Touch Setting Bank Number Touch Sensitivity EZ Chord Data Split Point EZ Chord Bank Number Data Accompaniment Split Point Smart Chord Number Footswit...

Страница 8: ...PSR 540 C1 Note See parts list for details of circuit board component parts ...

Страница 9: ...ote See parts list for details of circuit board component parts WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed ...

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