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7) OSD Button Board
Connector
Location
Pin
Pin Name
Functional Description
1 NC
No
Connection
2 KEY1
Key
1
Output
(Volume up, Channel down & Channel up)
3 KEY2
Key
2
Output
(Volume down, Power)
4 5V
Vcc
5V
5 GND
Ground
6 NC
N/C
CN 3 :
7 NC
N/C
8) Program Button Board
Connector
Location
Pin
Pin Name
Functional Description
1
Q1
Key Output (Program)
2
Q2
Key Output (CARDIO)
3
Q3
Key Output (MANUAL)
4
Q4
Key Output (USER)
CN 4 :
5
B4
Key Scan Signal
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 ...