Yamaha Tyros 1 Service Manual

Tyros / TRS-MS01
21
[30][40][50][60]
[A]
(Fig.16)
(Fig.17) (Fig.18)
[30]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VR138400)
[40]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VR138400)
[50]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VR138400)
[60]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VR138400)
22. MICVR Circuit Board
(Time required: about 10 min)
22-1 Separate the unit into the upper case assembly and the
lower case assembly. (See procedure 1)
22-2 Remove the five (5) screws marked [480d]. (Fig.13)...

Tyros / TRS-MS01
22
Hook
Dust proof foam
(Fig.20) (Fig.21) (Fig.22)
(Fig.23) (Fig.24)
[620b][620b][620a]
(Fig.19)
[620]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)
26 LCD Panel Assembly
(Time required: about 14 min)
26-1 Separate the unit into the upper case assembly and the
lower case assembly. (See procedure 1)
26-2 Remove the shield upper cover. (See procedure 20-2)
26-3 Remove the two (2) screws marked [620a] to unfix the
stay bar from notch. (Fig.19)
26-4 Remove the four (4) screws marked...

Tyros / TRS-MS01
23
[180a] Gear
LCD Lower Case
[180b][180b]
[180] Hinge
Hinge
[180]
LCD Lower Case
[190a] [190b]
[190c]
[A]
LCD
[A]
[B]
[B]
LCLLCR
LCD Upper Case
(Fig.25)
(Fig.26)
(Fig.27)
[180]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)
[190]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250)[180]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)
27. Disassembly of the LCD Panel Assembly
27a. Gear (Time required: about 15 min)
27a-1 Remove the LCD panel Assembly. (See procedure 26)
27a-2...

Tyros / TRS-MS01
24

 DISASSEMBLY PROCEDURE (TRS-MS01)
1. Rear Panel (Time required: about 1 min)
[30]
AMP Assembly
Cover
2. AMP Assembly (Time required: about 3 min)
2-1 Remove the rear panel. (See procedure 1)
L
RTO KEYBOARD
[17] [18][19]
[16]
Rear Panel
(Fig.1)
(Fig.2)
[16]: Bind Head Bonding Screw-B 3x10 MFC2BL (EN335030)
[17]: Bind Head Screw-P 3x12 MFC2BL (EX601360)
[18]: Bind Head Screw 3x8 MFC2BL (ED330086)
[19]: Bind Head Screw-S 4x8 MFC2BL (EK396010)[30]: Bind Head Tapping Screw   4x20 MFZN2BL...

Tyros / TRS-MS01
25 3. MAIN (C) [Power Switch]
(Time required: about 2 min)
[16]
Power Switch
(Fig.3)
4. Front Panel (Time required: about 1 min)
4-1 Lay the unit upside down, insert a thin plate such as a
ruler into the two slits on the bottom, then unclench
slightly the front panel. (Fig4)
* Take great care not to damage the cabinet. Stop
unclenching when a small clearance is formed.
4-2 Pull the front panel forward to remove. (Fig.5)
* The front panel is fixed on the cabinet by six dowels,
so take...

26Tyros / TRS-MS01

 LSI PIN DESCRIPTION
CONTENTS
 HD6417709SF133 (X2081A00) CPU ........................................................................... 27
 HD6417709SHF200 (X2687A00) CPU ......................................................................... 28
 M4A3-64/64-10VC (X2987A00) CPLD ......................................................................... 29
 M66291GP (X2156A00) USB Controller ...................................................................... 29
...

27 Tyros / TRS-MS01
PIN PIN
NO.NAMEI/O FUNCTION
NO.NAMEI/O FUNCTION
1 MD1 I Mode control 105 CKE/PTK5 I/O CK enable / Port K
2 MD2 I 106 RAS3L/PTJ0 I/O RAS address bus / Port J
3 Vcc(RTC) - Power supply +1.8 V 107 PTJ1 I/O Port J
4 XTAL2 O Cry stal oscillator 108 CASL/PTJ2 I/O CAS address bus / Port J
5 EXTAL2 I 109 VssQ - Ground
6 Vss(RTC) - Ground 110 CASU/PTJ3 I/O CAS address bus / Port J
7 NMI I Non-maskable interrupt request 111 VccQ - Power supply +3.3 V
8
IRQ0/IRL0/PTH0I 112 PTJ4 I/O
Port J...

28Tyros / TRS-MS01
PIN PIN
NO.NAMEI/O FUNCTION
NO.NAMEI/O FUNCTION
1 MD1 I
Mode control105 CKE/PTK5 I/O CK enable / Port
2 MD2 I 106RAS3L/PTJ0I/O RAS address bus / Port J
3 Vcc(RTC) - Power supply +1.8 V 107 PTJ1 I/O Port J
4 XTAL2 O Crystal oscillator 108 CASL/PTJ2 I/O CAS address bus / Port J
5 EXTAL2 I 109 VssQ - Ground
6 Vss(RTC) - Ground 110 CASU/PTJ3 I/O CAS address bus / Port J
7 NMI I Non-maskable interrupt request 111 VccQ - Power supply +3.3 V
8
IRQ0/IRL0/PTH0I 112 PTJ4 I/O
Port J...

29 Tyros / TRS-MS01
PIN PIN
NO.NAME I/O FUNCTION
NO.NAME I/O FUNCTION
1 GND Ground 51 GND Ground
2 TDI I Test data in 52 ENABLE Program
3 A1 I/O Data bus block A 53 C1 I/O Data bus block C
4 A3 I/O Data bus block A 54 C3 I/O Data bus block C
5 A5 I/O Data bus block A 55 C5 I/O Data bus block C
6 A7 I/O Data bus block A 56 C7 I/O Data bus block C
7 A9 I/O Data bus block A 57 C9 I/O Data bus block C
8 A11 I/O Data bus block A 58 C11 I/O Data bus block C
9 A13 I/O Data bus block A 59 C13 I/O Data bus block...

30Tyros / TRS-MS01
PIN PIN
NO.NAME I/O FUNCTION
NO.NAME I/O FUNCTION
1 P50/A8 I/O Address bus 33 P10/ANI0 I Port1
2 P51/A9 I/O Address bus 34 AV
REFI Analog reference voltage
3 P52/A10 I/O Address bus 35 AVDDAnalog power supply
4 P53/A11 I/O Address bus 36 RESET I Reset
5 P54/A12 I/O Address bus 37 XT2 Subsystem clock
6 P55/A13 I/O Address bus 38 XT1 I Subsystem clock
7 P56/A14 I/O Address bus 39 IC I Internally connected
8 P57/A15 I/O Address bus 40 X2 Main system clock
9V
SS0 Ground 41 X1 I Main system...