Yamaha PSR-VN300 Service Manual - Page 21

PSR-VN300 Test No. LCD display 7 014 : Output R 8 015 : Output L 9 019 : Noise 10 020 : SW Chk 11 028 : LCD On 12 029 : LCD Off 13 031 : PD1 Chk 14 037 : MIDI Chk 15 041 : Rom Chk2 16 042 : Ram Chk2 17 045 : FRomChk2 18 047 : Factory Set 19 048 : TEST Exit 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) Set the [MASTER VOLUME] to the maximum level and check the output level. • PHONES L: -45 dBu or less • PHONES R: -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) Set the [MASTER VOLUME] to the maximum level and check the output level. • PHONES L: -1.5 dBu ± 2 dB • PHONES R: -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) Set the [MASTER VOLUME] to the maximum level and check the noise. • PHONES L and PHONES R: -73 dBu or less 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. Make sure that the entire LCD is lit . Make sure that all the dots are turned off on the LCD. 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. 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. 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. Checks the RAM connected to the CPU bus. Make sure that "Ram OK" is displayed on the LCD. 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. 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. Execute this to leave the test program and change to the play mode. Switch test item list Turn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 SW Name LEFT RIGHT LISTEN & LEARN TIMING WAITING FUNCTION SONG STYLE VOICE TENKEY 1 TENKEY 2 TENKEY 3 TENKEY 4 TENKEY 5 TENKEY 6 TENKEY 7 TENKEY 8 TENKEY 9 TENKEY - LCD Display Left Right Listen Timing Waiting Function Song Style Voice Tenkey 1 Tenkey 2 Tenkey 3 Tenkey 4 Tenkey 5 Tenkey 6 Tenkey 7 Tenkey 8 Tenkey 9 Tenkey - Note Number C1 C#1 D1 D#1 E1 F1 F#1 G1 G#1 A1 A#1 B1 C2 C#2 D2 D#2 E2 F2 F#2 Turn 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 SW Name TENKEY 0 TENKEY + DEMO METRONOME A-B REPEAT REW FF TEMPO/TAP REC PAUSE START/STOP PORTABLE GRAND SOUND EFFECT REVERB ON/OFF SPLIT ON/OFF DUAL ON/OFF HARMONY ON/OFF TOUCH ON/OFF LCD Display Tenkey 0 Tenkey + Demo Metro AB Rep Rew FF Temp/TAP Record Pause StartStp GP SoundEff Reverb Split Dual Harmony Touch Note Number G2 G#2 A2 A#2 B2 C3 C#3 D3 D#3 E3 F3 F#3 G3 G#3 A3 A#3 B3 C4 21