Yamaha Portatone PSR-VN300 Service Manual page 21

Test No. LCD display Test descriptions, judging conditions, etc.
Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT]. (33 Ω of load)
7 014 : Output R
Set the [MASTER VOLUME] to the maximum level and check the output level.
• PHONES L: -45 dBu or less
Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT]. (33 Ω of load)
8 015 : Output L
Set the [MASTER VOLUME] to the maximum level and check the output level.
• PHONES L: -1.5 dBu ± 2 dB
Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT]. (33 Ω of load)
9 019 : Noise
Set the [MASTER VOLUME] to the maximum level and check the noise.
• PHONES L and PHONES R: -73 dBu or less
10 020 : SW Chk Checks switches on the panel. Press the switches as shown in the LCD. When the switch is pressed, a sound
is played at the prescribed pitch. (Refer to the Switch test item list.)
Make sure that "SW OK" is displayed on the LCD when all the switches are pressed.
To cancel the operation halfway, use the [lowest key on the keyboard] (white key C1) to return to the selection
display.
11 028 : LCD On Make sure that the entire LCD is lit .
12 029 : LCD Off Make sure that all the dots are turned off on the LCD.
13 031 : PD1 Chk Connect a footswitch (FC-4 or FC-5) to the [SUSTAIN] terminal.
Make sure that C3 is played when the footswitch pedal is pressed and C4 is played when the footswitch pedal
is released.
Make sure that "PD1 OK" is displayed on the LCD when finished.
14 037 : MIDI Chk Connect the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable and then execute the test. Make sure that
C4 is played and "MIDI OK" is displayed on the LCD.
15 041 : Rom Chk2 Checks the ROM connected to the CPU bus.
Make sure that "Rom OK" is displayed on the LCD.
It will take about 10 seconds for the check.
16 042 : Ram Chk2 Checks the RAM connected to the CPU bus.
Make sure that "Ram OK" is displayed on the LCD.
17 045 : FRomChk2 Checks the FROM connected to the CPU bus.
Make sure that "FRom OK" is displayed on the LCD.
It will take about 30 seconds for the check.
18 047 : Factory Set Initializes the entire backup area to reset to the factory default.
"Fact" is displayed on the LCD during the test.
"Fact End" is displayed on the LCD when the test is finished.
19 048 : TEST Exit Execute this to leave the test program and change to the play mode.
Switch test item list
Turn SW Name
1 LEFT
2 RIGHT
3 LISTEN & LEARN
4 TIMING
5 WAITING
6 FUNCTION
7 SONG
8 STYLE
9 VOICE
10 TENKEY 1
11 TENKEY 2
12 TENKEY 3
13 TENKEY 4
14 TENKEY 5
15 TENKEY 6
16 TENKEY 7
17 TENKEY 8
18 TENKEY 9
19 TENKEY –
LCD Display Note Number
Left C1
Right C#1
Listen D1
Timing D#1
Waiting E1
Function F1
Song F#1
Style G1
Voice G#1
Tenkey 1 A1
Tenkey 2 A#1
Tenkey 3 B1
Tenkey 4 C2
Tenkey 5 C#2
Tenkey 6 D2
Tenkey 7 D#2
Tenkey 8 E2
Tenkey 9 F2
Tenkey – F#2
• PHONES R: -1.5 dBu ± 2 dB
• PHONES R: -45 dBu or less
Turn SW Name
20 TENKEY 0
21 TENKEY +
22 DEMO
23 METRONOME
24 A-B REPEAT
25 REW
26 FF
27 TEMPO/TAP
28 REC
29 PAUSE
30 START/STOP
31 PORTABLE GRAND
32 SOUND EFFECT
33 REVERB ON/OFF
34 SPLIT ON/OFF
35 DUAL ON/OFF
36 HARMONY ON/OFF
37 TOUCH ON/OFF
PSR-VN300
LCD Display Note Number
Tenkey 0 G2
Tenkey + G#2
Demo A2
Metro A#2
AB Rep B2
Rew C3
FF C#3
Temp/TAP D3
Record D#3
Pause E3
StartStp F3
GP F#3
SoundEff G3
Reverb G#3
Split A3
Dual A#3
Harmony B3
Touch C4
21