Rowe BC-1200, Field Service Manual And Parts Catalog

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Section 4: Troubleshooting
25238802 4-21
CK TRANSPORT VF
Symptom:
The transport flipper cell voltage is not within limits (0 to 2.00 volts).
Corrective Action:
1. Check the Brown wire and connectors in the transport harness for an open/short back to the CCC (P4 Pin 7).
2. Check the VF cell for proper voltages and switching
(refer to Section 3) .
3. Replace the transport interconnect board.
4. Replace the transport.
5. Replace the CCC.
CK TRANSPORT VT
Symptom:
The transport transmissive cell voltage cannot be adjusted into the range of from 0.50 to 3.60 volts DC.
Corrective Action:
1. Check the White wire and connectors in the transport for an open/short back to the CCC (P4 Pin 10).
2. Clean the transmissive cell and the LED below it.
3. Replace the transport transmissive cell and/or the transmissive/reflective LED.
4. Replace the transport.
5. Replace the CCC.
CK TRANSPORT VR
Symptom:
The transport reflective cell voltage is not within limits (0.20 to 4.90 volts).
Corrective Action:
1. Check the Orange wire and connectors in the transport harness for an open short back to the CCC (P4 Pin 13).
2. Clean the reflective cell and LED.
3. Replace the transport reflective cell and/or the transmissive/reflective LED.
4. Replace the transport.
5. Replace the CCC.