Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Model: C575R
Malfunction: Contact heart rate (HTR) malfunction.
Circumstance: Hold HTR contact plates; heart rate value is
incorrect.
Possible causes: 1. HTR wires are disconnected.
2. HTR board is defective.
Troubleshooting: 1. Inspect display wire connections.
2. Inspect the HTR wire on the drive board.
3. Inspect the HTR bridge board and HTR board
indicator LEDs.
4. Inspect the HTR contacts and their wire
connections.
3-4-2
Display
board
HTR board
S
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n
s
o
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R
S
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L
HTR board indicator LEDs
LED
Name
Explanation
LED1
Telemetry
Flashes to indicate incoming telemetry signal.
LED2
HTR contact Lights to indicate hands on contact plates.
LED3
HTR output
Flashes to indicate incoming HTR (contact)
signal.
LED4
Heart rate
signal output
Flashes to indicate heart rate signal output to
the display
Summary of Contents for C575U
Page 1: ...C575U Repair Manual Electronics...
Page 2: ...1 1 Product Picture C575U 1 1 1...
Page 3: ...1 2 Display picture C575U 1 2 1...
Page 4: ...1 3 Component Placement C575U Display 1 3 1 Dispaly Program board Polar board USB board...
Page 8: ...1 5 C575U...
Page 12: ...1 6 Display Board Indicator LEDs C575R U 1 6 1 Power...
Page 24: ...C575 1 2 C575 E875 3 11 1 JP1 JP2 JP3 JP4 JP16 C575R U JP2 JP1 JP3 JP16...