Light Control Rheostat: Inspection
- INSPECT LIGHT CONTROL RHEOSTAT
- Inspect the light control rheostat.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition 7 (T) - 1 (E) Always 10 +/- 2 kΩ 3 (RV) - 1 (E) Knob turned fully upward 10 +/- 2 kΩ 3 (RV) - 1 (E) Knob turned fully downward Below 50 Ω 3 (RV) - 1 (E) Knob turned from fully upward to fully downward 10 +/- 2 kΩ → Below 50 Ω If the result is not as specified, replace the rheostat.
- Inspect the TAIL cancel switch.
HINT:
The TAIL cancel switch is built into the light control rheostat.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition 7 (T) - 5 (TC) Knob turned fully upward (TAIL cancel condition) 10 kΩ or higher 7 (T) - 5 (TC) Knob not turned fully upward Below 1 Ω If the result is not as specified, replace the rheostat.
- Inspect the light control rheostat.