Yamaha Tyros 3 Service Manual
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Page 71
71 Tyros3 Scale: 85/100 Pattern side2NA-WM24250 L L to PNLS-CN202 to PITCHBEND to MODULATION
Page 72
72 Tyros3 MKH-D Circuit Board EMKS-FD Circuit Board Component side LCL Circuit Board Component side M M to EMKS-FD-CN5to MK61L-CN1 to EMKS-FD-CN6 to DM-CN206 not installed not installed A B C D E DIRECT ACCESS to DM-CN3 EMKS-FD: WE62240 LCL: 2NA-WM24270 MKH-D: 2NAKZ-WD78540 2
Page 73
73 Tyros3 Component side EMKS-FD Circuit Board Pattern side LCL Circuit Board Pattern side to MKH-D-CN3 to MKH-D-CN1 to LCR-CN201 to PNL-CN2 to TFT LCD Panel 7.5inch VGA M Mto PC SENSOR FG EMKS-FD: WE62240 LCL: 2NA-WM24270 MKH-D: 2NAKZ-WD78540 2
Page 74
![Page 74
74 Tyros3
MKH-D Circuit Board
LCR Circuit Board
Component side
to DM-CN5
to CK-CN92
TAB
[] F
G H I J EXIT
N
N
LCR: 2NA-WM24270
MKH-D: 2NAKZ-WD78540
2](http://img.usermanuals.tech/thumb/83/102400/w300_d_1511265180-yamaha-tyros-3-service-manual_d-73.png "Page 74
74 Tyros3
MKH-D Circuit Board
LCR Circuit Board
Component side
to DM-CN5
to CK-CN92
TAB
[] F
G H I J EXIT
N
N
LCR: 2NA-WM24270
MKH-D: 2NAKZ-WD78540
2")
74 Tyros3 MKH-D Circuit Board LCR Circuit Board Component side to DM-CN5 to CK-CN92 TAB [] F G H I J EXIT N N LCR: 2NA-WM24270 MKH-D: 2NAKZ-WD78540 2
Page 75
75 Tyros3 LCR Circuit Board Pattern side Pattern side to LCL-CN4 to TFT LCD Panel 7.5inch VGA LCR: 2NA-WM24270 MKH-D: 2NAKZ-WD78540 2 N N
Page 76
76 Tyros3 MK61L Circuit Board Component side O O N.C. O OP P P P to MKH-D-CN4 2NAKZ-WD80020 3
Page 77
77 Tyros3 MK61L Circuit Board Pattern side Q Q 2NAKZ-WD80020 3 Q QR R R R
Page 78
Tyros3 78 TEST PROGRAM 1 Measurement Conditions 1-1: Measuring Instruments • Low-frequency oscillator • Frequency counter, which can detect hundredth value or more • Level meter (JIS-C curve) • Oscilloscope 1-2: Jig • Stereo PHONE jack cable (33 Ω or 30 Ω load) • Monaural PHONE jack cable (10 k Ω load), 2 pcs. used simultaneously • Mini DIN 8-pin cable (470 Ω load) • MIDI cable, 2 pcs. used simultaneously • Video cable (75 Ω coaxial) • Mini D-Sub15 pin RGB cable • USB cable (type AB) • Color CRT...
Page 79
![Page 79
79 Tyros3
Start-up screen (normal state) Start-up screen (when an error is detected)
“SwErr”
(A panel switch is being pressed. Displays up to two codes for panel switch held down in four fi gures in hexadecimal notation.)
“[DIMM] : No Device”
(No DIMM is installed.)
“[HDD] : No Device”
(No HDD is installed.)
2-1: How to carry out tests
1) When the test program is started,
“TEST” will be displayed.
2) To increase test item number: Press the [TEMPO+] button or turn the [DATA ENTRY] dial clockwise. (Fig....](http://img.usermanuals.tech/thumb/83/102400/w300_d_1511265180-yamaha-tyros-3-service-manual_d-78.png "Page 79
79 Tyros3
Start-up screen (normal state) Start-up screen (when an error is detected)
“SwErr”
(A panel switch is being pressed. Displays up to two codes for panel switch held down in four fi gures in hexadecimal notation.)
“[DIMM] : No Device”
(No DIMM is installed.)
“[HDD] : No Device”
(No HDD is installed.)
2-1: How to carry out tests
1) When the test program is started,
“TEST” will be displayed.
2) To increase test item number: Press the [TEMPO+] button or turn the [DATA ENTRY] dial clockwise. (Fig....")
79 Tyros3 Start-up screen (normal state) Start-up screen (when an error is detected) “SwErr” (A panel switch is being pressed. Displays up to two codes for panel switch held down in four fi gures in hexadecimal notation.) “[DIMM] : No Device” (No DIMM is installed.) “[HDD] : No Device” (No HDD is installed.) 2-1: How to carry out tests 1) When the test program is started, “TEST” will be displayed. 2) To increase test item number: Press the [TEMPO+] button or turn the [DATA ENTRY] dial clockwise. (Fig....
Page 80
Tyros3 80 Number Check item Displayed MessageAutomatic check 1 Version indication Version X 2 Simplifi ed check of ROM ROM Check1 O 3 Simplifi ed check of RAM RAM Check1 O 4 Simplifi ed check of Backup Flash ROM BACKUP ROM Check1 O 5 Simplifi ed check of Wave ROM Wave ROM Check1 O 6 Simplifi ed check of Wave RAM (SDRAM) Wave RAM(SDRAM) Check1 O 7 Simplifi ed check of Wave RAM (DIMM) Wave RAM(DIMM) Check1 O 8 Simplifi ed check of Effect RAM Effect RAM Check1 O 9 Sound check of Tone Generator 1 TG 1 Check X 10...