SportsArt Fitness S770 Operating instructions

S770 Electronic Repair Manual

S770 Electronic Repair Manual Contents
1-1-1. Full Unit Picture - S770
1-2-1. Overlay - S770
1-3-1. Component Placement - S770 Display
1-3-2. Component Placement - S770 Lower Body
1-4-1. Block Diagram of Electronic Components - S770
1-5-1. Cable Connections - S770 Display Board
1-5-2. Cable Connections - S770 Drive Board
1-6-1. LED Indicators - S770 Display Board
1-6-2. LED Indicators - S770 Drive Board
1-7-1. Electronic Specification Chart – S770
2-1-1. Electronic Malfunction Troubleshooting Chart - S770
3-1-1. No Start Up – Alternator - S770
3-2-1. No Start Up (Battery) - S770
3-3-1. No Step Value - S770
3-4-1. No Resistance - S770
3-5-1. Resistance is Too Strong - S770
3-6-1. Wireless (Telemetry) Heart Rate Malfunction - S770
3-7-1. Contact Heart Rate (HTR) Malfunction - S770
3-8-1. Key Malfunction - S770 Soft Keys
3-8-2. Key Malfunction - S770 Key Switches
3-8-3. Key Malfunction - S770 Handle Keys
3-9-1. No Fan Operation - S770
3-10-1. Battery Does Not Recharge – S770
3-11-1. Other – Basic Parameter Setting: KPH/MPH, total distance, total time, display board IC

1-1. Full Unit Picture - S770
1-1-1

1-2. Overlay - S770
1-2-1
1-2-1

1-3. Component Placement - S770 Display
1-3-1
HR receiver (telemetry
heart rate)
HTR board
(contact heart
rate)
Display board
Cardio board
Fan

1-3. Component Placement - S770 Lower Body
1-3-2
Electro-magnet
Drive board
Flywheel
Battery
Optic sensor
Alternator
CSAFE board

1-4. Block Diagram of Electronic Components
1-4-1
Display
Board
Drive
Board
Electro-magnet
Optic sensor
Battery
HTR board
Key pad
Sensor – L
Sensor – R
Alternator
Fan
Keys on handle
HR receiver brd
Cardio/USB brd
Battery charger
CSAFE board

1-5. Cable Connections - S770 Display Board
1-5-1
Connects to telemetry heart rate receiver
Connects to fan
Connects to cardio board
Connects to drive board
Connects to HTR board
Connects to keys on handle
Cardio (USB)
Connects to case board
Connects to CSAFE board
Connects to display board

1-5. Cable Connections - S770 Drive Board
1-5-2
Connects to display board
Connects to battery
Connects to electro-magnet
Connects to alternator and battery charger
Connects to optic
sensor

1-6. LED Indicators - S770 Display Board
1-6-1
Power LED 2
Lit indicates there is
incoming power supply.
CSAFE LED
Flashing indicates
there is CSAFE signal
transmission.
Main program IC