Sync Demodulator Status Leds - Teledyne T300 Operation Manual

Troubleshooting and Service

12.1.4.2. SYNC DEMODULATOR STATUS LEDS

LED FUNCTION
M/R Sensor Status
D1
(Flashes slowly)
Segment Sensor
Status
D2
(Flashes quickly)
264
Two LEDs located on the Sync/Demod Board and are there to make it obvious that the
GFC Wheel is spinning and the synchronization signals are present:
Table 12-3: Sync/Demod Board Status Failure Indications
FAULT STATUS
LED is stuck
ON or OFF
LED is stuck
ON or OFF
Figure 12-4: Sync/Demod Board Status LED Locations
Teledyne API – Model T300/T300M CO Analyzer
INDICATED FAILURE(S)
GFC Wheel is not turning
M/R Sensor on Opto-Pickup Board failed
Sync/Demod Board failed
JP 4 Connector/Wiring faulty
Failed/Faulty +5 VDC Power Supply (PS1)
GFC Wheel is not turning
Segment Sensor on Opto-Pickup Board failed
Sync/Demod Board failed
JP 4 Connector/Wiring faulty
Failed/Faulty +5 VDC Power Supply (PS1)
06864B DCN6314