- 7 -
Measur the voltage : Between test points
TP-1, TP-2, TP-3 and ground or between
TP-4 and Tp-5(See figure 16 on page 27).
CAUTION:
For your safety, proceed with the test only
after removing the wire leads from the pri-
mary winding of high voltage transformer.
NOTE
- Proceed with the check of the step-down
transformer, to see if any one of the
measured values is different from the
specified values.
COMPONENT
CONTROL
CIRCUIT BOARD
CHECKOUT PROCEDURE
RESULT
WARNING:
When removing the cabinet, you must disconnect
the power supply cord from the wall oulet for your
safety. Only the checkout procedure below needs
the power supply on. TAKE GREAT CARE to avoid
possible electrical shock.
For your safety, proceed with the test only
after removing the wire leads from the pri-
mary winding of the high voltage transformer
Lower
Primary
Winding
Primary
Winding
Upper
Test
point
TP-1 TP-2 TP-3
TP-4/
TP-5
Voltage
-5V -12V -30V 2.6V
DC DC DC AC
Содержание EM-C2001SD
Страница 18: ... 17 ...
Страница 20: ... 19 ...
Страница 22: ... 21 ...
Страница 23: ... 22 Door Parts ...
Страница 24: ... 23 ...
Страница 25: ... 24 ...
Страница 26: ... 25 9 OVERALL CIRCUIT DIAGRAM ...
Страница 27: ... 26 ...
Страница 28: ... 27 Printed in JAPAN Sep 99 CONTROL CIRCUIT BOARD Figure 16 ...