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Yamaha Tyros 1 Service Manual

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Page 11

Tyros / TRS-MS01
11  Lower Case Side
LocationParts No.W.H nameDiscription NotesSource Destination
260 (WA60900) INLET Power supply unit-CN1 INLET-CN3Gray wire is adjusted to Pin 1 mark (mark)
(2P)
270 (WA60890) SW Power supply unit-CN2 AJACK-CN1 Red wire is adjusted to Pin 1 mark (mark)(9P)
280 (V919700) SPL AJACK-CN6 SPOUTL-CN1 Red wire is adjusted to Pin 1 mark (
mark)(2P)
290 (WA60810) HP AJACK-CN8 PHONES-CN4 Red wire is adjusted to Pin 1 mark (mark)
(6P)300 (V926360)VR2 (14P)AJACK-CN5 MICVRSUB-CN6...

Page 12

Tyros / TRS-MS01
12
[270] [150] [160]
[140] [170] [C]
[200]
[560]
[450][400]
[440][200]
[330]
[160][150][420][530]
[430][410]
[820]
PNR
EN
PNLMICVRPNC
Wheel Assy
PNR
LCL
LCR
PNL
MICVRPNC
Wheel Assy
LCD Unit
 Upper Case Side
 LCD Unit Assembly 

Page 13

Tyros / TRS-MS01
13  Upper Case Side
LocationParts No.W.H nameDiscription NotesSource Destination
330 (V928200)
WHEELWHEEL Unit PNL-CN2 Yellow wire is adjusted to Pin 1 mark (mark)(4P)
400 (WA60830) PNLR PNL-CN1 PNR-CN1 Red wire is adjusted to Pin 1 mark (mark)
(12P)410 (WA60840)VR1(14P)MICVR-CN4 MICVRSUB-CN7
420 (WA60820) EN PNR-CN5 EN-CN6 Red wire is adjusted to Pin 1 mark (mark)
(4P)430 (WA60790)POWERPower SW INLET-CN2
440 WA120800 FFC3 PNR-CN4 PNC-CN1 Insulated plate side is a PCB end side
(30P)
450...

Page 14

Tyros / TRS-MS01
14
 DISASSEMBLY PROCEDURE (Tyros)
Electrical Check After Disassembly
The power will not turn on after the unit is seperated into the upper case assembly and the lower case assembly.
Then you can perform electrical check by using two connector assemblies supplied as service parts.
The connection procedure is as follows.
Keyboard Assembly
Upper Case Assembly
Lower Case AssemblyShield cover
CN2
CN4
CN7
CN6
CN2
CN20
CN14 CN7
Power SW
PNRPNL
PNC
DM
HP
VR
AJACK
MICVRSUB
Power Supply...

Page 15

Tyros / TRS-MS01
15
[130][100b]
[140]
[100a][100a]Cover S Cover L
(Fig.1)
[100]: Bonding Screw 3.0X8 MFZN2BL (VP157800)
[130]: Bind Head Tapping Screw-B 3.0X12 MFZN2Y (VE683000)
[140]: Bind Head Tapping Screw-B 3.0X30 MFZN2Y (V7213700)
* If you remove the filament tapes for disassembling, make sure to apply them on the same condition as before they are
removed.
1. Separating the Unit into the Upper Case As-
sembly and the Lower Case Assembly
(Time required: about 9 min)
1-1 Remove the eight (8) screws...

Page 16

Tyros / TRS-MS01
164. The PC Circuit Board
(Time required: about 10 min)
4-1 Separate the unit into the upper case assembly and the
lower case assembly. (See procedure 1)
4-2 Remove the four (4) screws marked [180]. The PC cir-
cuit board can then be removed. (Fig.7)
[120]
[120]
[120]
[120]
[A][A]
[120]
[120][120][130a][130b] [130b][120][130b]Lower Box
[a] [b][c]
[d]
[e]
(Fig.2)
(Fig.4) (Fig.3)
(Fig.5)
[120]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VR138400)
[130]: Bind Head Tapping Screw-B 3.0X12...

Page 17

Tyros / TRS-MS01
17
[580][530c] [530b][530b]
[530d][200a]
[180][530a]
[200a][200a][200a][200a] [200b]
AC Upper FrameShield sheet LREG
PHONES
DM
PC
[540d]
[530d][530b]
[550]
[70]
[530a]
[530f]
[580]
[540e][540c][540a][540b]
[530e]
[165]
Power Supply Unit Inlet Upper Box
A JACK
D JACK
SPOUT L
SPOUT R
MICVRSUB
EMKS-N3.5 FDD Unit
(Fig.7)
(Fig.8)
[180]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250)
[200]: Bind Head Tapping Screw-P 3.0X20 MFZN2 (VT069800)
[530]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y...

Page 18

Tyros / TRS-MS01
18
[530][540]INLET
[580a][580b]
Angle LAngle R
(Fig.9) (Fig.10)
[530]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250)
[540]: Bind Head Tapping Screw-B 3.0X10 MFZN2BL (EP600140)
[580]: Bind Head Screw 3.0X6 MFZN2Y (EG330040)
7. AJACK Circuit Board
(Time required: about 11 min)
7-1 Separate the unit into the upper case assembly and the
lower case assembly. (See procedure 1)
7-2 Remove the AC upper frame. (See procedure 6-3)
7-3 Remove the MIC TRIM knob marked [165]. (Fig.8)
7-4 Remove...

Page 19

Tyros / TRS-MS01
19 15. Keyboard Assembly
* Each octave can be removed individually.
15-1 Separate the unit into the upper case assembly and the
lower case assembly. (See procedure 1)
15-2 Remove the four (4) screws marked [200a] for each
octave. (Fig.7)
However, remove the screw marked [200b] for the
rightmost (C6) key. (Fig.7)
15-3 Push the hook on the keyboard to unlock and lift the
rear of it. (Fig.11)
15-4 Move the keyboard diagonally downward to remove.
(Fig.11)
16. 61L Circuit Board
(Time...

Page 20

Tyros / TRS-MS01
20
[570] Shield Upper Cover
(Fig.14)(Fig.15)
[570]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VR138400)
PNRPNL
[480b][480b] [B]
[C] [A] [A]
[480a][480f]
[480d]
[480c][480a]
[480e]
Power SwitchPNC
Wheel Assembly
MICVR
Shield Cover Stay
Shield Sheet R
GND2 Wire
(Fig.13)
[480]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250)
19. PNL Circuit Board
(Time required: about 12 min)
19-1 Separate the unit into the upper case assembly and the
lower case assembly. (See procedure 1)
19-2 Remove the...
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