3
1.1 System Block Diagram
1) AC 220V/230V INPUT
U
V
W
Oil Pump Motor
A/D
PCB
Motor
Controller
(Inverter)
Drive
Motor
Lift/
Power Supply
PCB
Lift Motor
AC
220V/230V
Line
Filter
Transformer
LCD Power
Supply PCB
MPU PCB
(Main
Processing
Unit)
LCD Screen
LCD Lamp Inverter PCB
OSD Button PCB for Channel/Volume/Power-on
Touch -Sensitive
Key PCB (L/R)
Speed/Incline/
Start/Enter
Membrane Overlay Key
Emergency
Switch
CHR PCB
Wireless HR
PCB
Video & Audio Input
(Coaxial, RCA)
Back-Light
Audio Interface
Headphone Jack
Power ON/OFF
Switch
Circuit
Breaker
Summary of Contents for M990T
Page 56: ...55 4 1 Cable Connection Block Diagram 1 MPU PCB LCD Type ...
Page 57: ...56 2 MPU PCB DOT Type ...
Page 58: ...57 3 A D BOARD ...
Page 59: ...58 4 Lift Power BOARD 4 1 Supply Voltage 220 230VAC ...
Page 60: ...59 4 2 Supply Voltage 100 120VAC USA Japan ...
Page 87: ...86 A 1 M990T ...
Page 90: ...89 B 1 MAIN BODY_FRONT A ...
Page 91: ...90 B 2 MAIN BODY_FRONT B ...
Page 93: ...92 C 1 MAIN BODY_REAR ...
Page 95: ...94 D 1 OVERLAY BEZEL ASSEMBLY ...
Page 98: ...97 E 1 CONSOLE ASSEMBLY ...
Page 101: ...100 F 1 BOLT A ...
Page 102: ...101 F 2 BOLT B ...
Page 103: ...102 F 3 BOLT C ...
Page 104: ...103 F 4 WASHER NUT ...