Yamaha Tyros 1 Service Manual
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Page 61
61 Tyros / TRS-MS01 INPUT VOLUME MASTER VOLUMEto LCR-CN7 to MICVRSUB-CN7 to MICVR-CN4 to AJACK-CN5 MICVR Circuit Board MICVRSUB Circuit Board Component Side Component Side Pattern SidePattern Side Note: See parts list for details of circuit board component parts. MICVR: 2NA-V881090 MICVRSUB: 2NA-V895040
Page 62
62Tyros / TRS-MS01 WH BEWH: U, C BE: A, B, G BL: U, C BR: A, B, G I I’AC CORD to MAIN(C)-W18A to MAIN(C)-W19A MAIN(A) Circuit Board Pattern Side CIRCUIT BOARDS (TRS-MS01)
Page 63
63 Tyros / TRS-MS01 I I’ L R TO KEYBOARD to MAIN(B)-W4 MAIN(A) Circuit Board Pattern Side Note: See parts list for details of circuit board component parts.
Page 64
64Tyros / TRS-MS01 BASS to MAIN(A)-CB4 POWER WH BE to MAIN(A)-W18B to MAIN(A)-W19B +—+— 2.2 SPEAKER (MIDRANGE)SPEAKER (TWEETER) to KEYBOARD MAIN(S) Circuit Board MAIN(B) Circuit Board MAIN(C) Circuit Board Pattern Side Pattern Side Pattern Side Note: See parts list for details of circuit board component parts.
Page 65
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Tyros / TRS-MS01
65
TEST PROGRAM
1. Preparation
To check the product, following measuring instruments and jigs are required.
Measuring Instruments: Frequency Conter, Level Meter (with JIS-C filter), Oscillator
Except as otherwise requires, use a stereo plug with a load of
33Ω and measure at the [PHONES] jack.
Jigs: Foot Volume (FC-7), MIDI cable, Floppy Disk (2HD and
2DD), Microphone, Computer, USB cable, TV (Monitor)
2. How to Enter the Test Program
Turn the power on with [C#2], [F2] and [G#2] keys...](http://img.usermanuals.tech/thumb/83/104040/w300_tyros-1-service-manual-1517409781_d-64.png "Page 65
Tyros / TRS-MS01
65
TEST PROGRAM
1. Preparation
To check the product, following measuring instruments and jigs are required.
Measuring Instruments: Frequency Conter, Level Meter (with JIS-C filter), Oscillator
Except as otherwise requires, use a stereo plug with a load of
33Ω and measure at the [PHONES] jack.
Jigs: Foot Volume (FC-7), MIDI cable, Floppy Disk (2HD and
2DD), Microphone, Computer, USB cable, TV (Monitor)
2. How to Enter the Test Program
Turn the power on with [C#2], [F2] and [G#2] keys...")
Tyros / TRS-MS01 65 TEST PROGRAM 1. Preparation To check the product, following measuring instruments and jigs are required. Measuring Instruments: Frequency Conter, Level Meter (with JIS-C filter), Oscillator Except as otherwise requires, use a stereo plug with a load of 33Ω and measure at the [PHONES] jack. Jigs: Foot Volume (FC-7), MIDI cable, Floppy Disk (2HD and 2DD), Microphone, Computer, USB cable, TV (Monitor) 2. How to Enter the Test Program Turn the power on with [C#2], [F2] and [G#2] keys...
Page 66
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Tyros / TRS-MS01
6619 019: Pitch CheckChecks pitch and volume decay.
1) Connect a frequency counter to the [PHONES] jack (either L or R) with a load of 33Ω
and set the [MASTER VOLUME] knob to maximum.
Confirm that the frequency counter shows the level of 441.43
± 0.22[Hz].
2) Connect a level meter to the [PHONES] jack (L, R) with 33Ωand set the [MASTER
VOLUME] knob to minimum.
Confirm that the levels of L and R are -60.0dBm or less.
20 020: Output R CheckChecks the output level of R channel.
1)Connect a...](http://img.usermanuals.tech/thumb/83/104040/w300_tyros-1-service-manual-1517409781_d-65.png "Page 66
Tyros / TRS-MS01
6619 019: Pitch CheckChecks pitch and volume decay.
1) Connect a frequency counter to the [PHONES] jack (either L or R) with a load of 33Ω
and set the [MASTER VOLUME] knob to maximum.
Confirm that the frequency counter shows the level of 441.43
± 0.22[Hz].
2) Connect a level meter to the [PHONES] jack (L, R) with 33Ωand set the [MASTER
VOLUME] knob to minimum.
Confirm that the levels of L and R are -60.0dBm or less.
20 020: Output R CheckChecks the output level of R channel.
1)Connect a...")
Tyros / TRS-MS01 6619 019: Pitch CheckChecks pitch and volume decay. 1) Connect a frequency counter to the [PHONES] jack (either L or R) with a load of 33Ω and set the [MASTER VOLUME] knob to maximum. Confirm that the frequency counter shows the level of 441.43 ± 0.22[Hz]. 2) Connect a level meter to the [PHONES] jack (L, R) with 33Ωand set the [MASTER VOLUME] knob to minimum. Confirm that the levels of L and R are -60.0dBm or less. 20 020: Output R CheckChecks the output level of R channel. 1)Connect a...
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Tyros / TRS-MS01
67 28 028: EQ Low CheckChecks the frequency of EQ LOW.
The sine wave of 65.4Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R,
SUB1, SUB2).
29 029: EQ Mid CheckChecks the frequency of EQ MID.
The sine wave of 523Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R,
SUB1, SUB2).
30 030: EQ High CheckChecks the frequency of EQ HIGH.
The sine wave of 4186Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R,
SUB1, SUB2).
31 031: SP Mute CheckChecks the SP mute.
When this...](http://img.usermanuals.tech/thumb/83/104040/w300_tyros-1-service-manual-1517409781_d-66.png "Page 67
Tyros / TRS-MS01
67 28 028: EQ Low CheckChecks the frequency of EQ LOW.
The sine wave of 65.4Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R,
SUB1, SUB2).
29 029: EQ Mid CheckChecks the frequency of EQ MID.
The sine wave of 523Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R,
SUB1, SUB2).
30 030: EQ High CheckChecks the frequency of EQ HIGH.
The sine wave of 4186Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R,
SUB1, SUB2).
31 031: SP Mute CheckChecks the SP mute.
When this...")
Tyros / TRS-MS01 67 28 028: EQ Low CheckChecks the frequency of EQ LOW. The sine wave of 65.4Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R, SUB1, SUB2). 29 029: EQ Mid CheckChecks the frequency of EQ MID. The sine wave of 523Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R, SUB1, SUB2). 30 030: EQ High CheckChecks the frequency of EQ HIGH. The sine wave of 4186Hz is output from the [LINE OUT] jack (MAIN L/L+R, MAIN R, SUB1, SUB2). 31 031: SP Mute CheckChecks the SP mute. When this...
Page 68
Tyros / TRS-MS01 6835 035: All Panel LED On CheckAll LEDs light up. Confirm that all LEDs on the panel light up. (including MIC SIGNAL and OVER) * Dual color LEDs illuminate orange. 36 036: Red LED On CheckAll of red LEDs light up. Confirm that all of red LEDs on the panel light up. * Dual color LEDs illuminate red. 37 037: Green LED On CheckAll of green LEDs light up. Confirm that all of green LEDs on the panel light up. * Dual color LEDs illuminate green. 38 038: Blue LED On CheckAll of blue LEDs...
Page 69
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Tyros / TRS-MS01
69 53 053: After Touch CheckChecks the after touch.
Confirm that the note of C3 sounds and the LCD shows After Touch Check Start when
any key is depressed.
Confirm that the value on the LCD increases according to the strength of a press.
Confirm that the note of C4 sounds and the LCD shows After Touch OK when the
value reaches 127 (maximum).
* At this test, pressing the leftmost key does not make the system return to the wait state.
Press the [STYLE START/STOP] button to return the wait...](http://img.usermanuals.tech/thumb/83/104040/w300_tyros-1-service-manual-1517409781_d-68.png "Page 69
Tyros / TRS-MS01
69 53 053: After Touch CheckChecks the after touch.
Confirm that the note of C3 sounds and the LCD shows After Touch Check Start when
any key is depressed.
Confirm that the value on the LCD increases according to the strength of a press.
Confirm that the note of C4 sounds and the LCD shows After Touch OK when the
value reaches 127 (maximum).
* At this test, pressing the leftmost key does not make the system return to the wait state.
Press the [STYLE START/STOP] button to return the wait...")
Tyros / TRS-MS01 69 53 053: After Touch CheckChecks the after touch. Confirm that the note of C3 sounds and the LCD shows After Touch Check Start when any key is depressed. Confirm that the value on the LCD increases according to the strength of a press. Confirm that the note of C4 sounds and the LCD shows After Touch OK when the value reaches 127 (maximum). * At this test, pressing the leftmost key does not make the system return to the wait state. Press the [STYLE START/STOP] button to return the wait...
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Tyros / TRS-MS01
7080 080:
VIDEO OUT NTSC RGBChecks VIDEO OUT (NTSC RGB).
Connect the video input jack of a TV set and the [VIDEO OUT] jack of the product, and
execute the test.
Confirm that red, blue and green bars are displayed on the monitor.
81 081:
VIDEO OUT PAL RGBChecks VIDEO OUT (PAL RGB).
Connect the video input jack of a TV set and the [VIDEO OUT] jack of the product, and
execute the test.
Confirm that red, blue and green bars are displayed on the monitor.
84 084: Factory SetFactory Set
The...](http://img.usermanuals.tech/thumb/83/104040/w300_tyros-1-service-manual-1517409781_d-69.png "Page 70
Tyros / TRS-MS01
7080 080:
VIDEO OUT NTSC RGBChecks VIDEO OUT (NTSC RGB).
Connect the video input jack of a TV set and the [VIDEO OUT] jack of the product, and
execute the test.
Confirm that red, blue and green bars are displayed on the monitor.
81 081:
VIDEO OUT PAL RGBChecks VIDEO OUT (PAL RGB).
Connect the video input jack of a TV set and the [VIDEO OUT] jack of the product, and
execute the test.
Confirm that red, blue and green bars are displayed on the monitor.
84 084: Factory SetFactory Set
The...")
Tyros / TRS-MS01 7080 080: VIDEO OUT NTSC RGBChecks VIDEO OUT (NTSC RGB). Connect the video input jack of a TV set and the [VIDEO OUT] jack of the product, and execute the test. Confirm that red, blue and green bars are displayed on the monitor. 81 081: VIDEO OUT PAL RGBChecks VIDEO OUT (PAL RGB). Connect the video input jack of a TV set and the [VIDEO OUT] jack of the product, and execute the test. Confirm that red, blue and green bars are displayed on the monitor. 84 084: Factory SetFactory Set The...