Sanyo EM-CD2900UK Service Manual page 7

COMPONENT COMPONENT COMPONENT
COMPONENT COMPONENT
HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE
HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE
TRAMSFORMER TRAMSFORMER TRAMSFORMER
TRAMSFORMER TRAMSFORMER
HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE
CAPACITOR CAPACITOR
CAPACITOR CAPACITOR CAPACITOR
Including bleeder Including bleeder Including bleeder
Including bleeder Including bleeder
resistor resistor
resistor resistor resistor
HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE
HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE HIGH ‑ VOLTAGE
DIODE DIODE DIODE
DIODE DIODE
FUSE DIODE FUSE DIODE
FUSE DIODE FUSE DIODE FUSE DIODE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE CHECKOUT PROCEDURE
1) Measure the resistance:
With an ohm meter on Rx1 scale.
a. Primary winding;
b. Filament winding;
c. Secondary winding;
2) Measure the resistance:
With an ohm meter on highest scale.
a. Primary winding to ground;
b. Filament winding to ground;
Measure the resistance: Across two
terminals with an ohm meter on highest
scale.
Measure the resistance: Across two
terminals with an ohm meter on highest
scale.
Figure 8
Measure the resistance: Across two
terminals with an ohm meter on highest
scale.
Figure 9
Normal reading:
a. Approximately 1.0 ohms.
b. Less than 1 ohm.
c. Approximately 60 ohms.
Normal reading:
a. Infinite ohms.
b. Infinite ohms.
Note:Remove varnish of measured
Figure 6
point.
Normal reading:
Momentarily indicates several
ohms, and gradually returns to
10 meg‑ohms.
Abnormal reading:
Indicates continuity or 10
meg‑ohms from the beginning.
Figure 7
Normal reading:
Indicates over 10 meg‑ohms in
one direction(forward direc‑
tion)and infinite ohms in the
reverse direction,using meter
which is provided with a 9 volts
battery.
NOTE
Some digital meter may show over
even in a forward direction be‑
cause low measuring voltage of
meter does not allow the meter to
pass through the high voltage
diode.
Abnormal reading:
Indicates continuity or infinite
ohms in both directions.
Normal reading:
Indicates infinite ohms in both
directions.
Abnormal reading:
Indicates continuity in both
directions or continuity in one
one direction and infinite ohm
in reversed direction.
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RESULT RESULT RESULT
RESULT RESULT