GE JVM1790SK Service Manual - Page 27

Components, Test Procedures, Results

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Page 27 highlights

COMPONENTS HIGH-VOLTAGE CAPACITOR TEST PROCEDURES 1. Remove wire leads. 2. Measure resistance. (ohm meter scale: Rx1000) (1) Terminal to terminal RESULTS Normal: Momentarily indicates several ohm, and then gradually returns to infinite Ohm-meter Figure 25-a (2) Terminal to case Ohm-meter HIGH-VOLTAGE DIODE Figure 25-b 1. Measure continuity. Forward. (ohm meter scale: Rx1000) Ohm-meter Figure 26-a 1. Measure continuity. Reverse. (ohm meter scale: Rx1000) Ohm-meter Normal: Infinite. Normal:Continuity. Abnormal: Infinite. Normal: Infinite. Abnormal: Continuity. CONVECTION HEATER Figure 26-b 1. Remove wire leads. 2. Measure resistance. (ohm meter scale:Rx1) 7-16 Normal readings Resistance: Approx. 6 to 13 ohm Current: Approx. 13A Abnormal: Infinite or several.

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7-16
COMPONENTS
TEST PROCEDURES
RESULTS
HIGH-VOLTAGE
CAPACITOR
HIGH-VOLTAGE
DIODE
CONVECTION
HEATER
1. Remove wire leads.
2. Measure resistance. (ohm meter scale:
Rx1000)
(1) Terminal to terminal
(2) Terminal to case
1. Measure continuity. Forward.
(ohm meter scale: Rx1000)
1. Measure continuity. Reverse.
(ohm meter scale: Rx1000)
1. Remove wire leads.
2. Measure resistance.
(ohm meter
scale:Rx1)
Normal:
Momentarily indicates several ohm, and
then gradually returns to infinite
Normal: Infinite.
Normal:Continuity.
Abnormal: Infinite.
Normal: Infinite.
Abnormal: Continuity.
Normal readings
Resistance: Approx. 6 to 13 ohm
Current: Approx. 13A
Abnormal: Infinite or several.
Ohm-meter
Figure 25-a
Ohm-meter
Figure 25-b
Ohm-meter
Figure 26-a
Ohm-meter
Figure 26-b