14
CP-X505(EDX35N)
Power can not be turned on
Are
voltage
supplied at pins
(9),(12) and (14) of E800 on
the PWB assembly MAIN in
standby mode?
Are
voltage sup-
plied at pins (2) and (7)
of E800 on the PWB assembly
MAIN in standby
mode?
NO
YES
(9): +6.0V
(12): +4.0V
(14): GND
Does
LAMP (DK03) or
TEMP (DK02) indicator light
or blink?
YES
(2): +15V
(4): GND(for +15V)
(7): +17V
(11): GND(for +17V)
*: Be sure to unplug the power cord before measuring resistance.
Measure
resistance* between
pins (9) and (14), and
between pins (12) and
(14) of E800.
Disconnect TSW
from power unit circuit, and
measure resistance of
TSW.
Open
0Ω
PWB assembly MAIN
Power unit (circuit)
Thermal switch (TSW)
Open
Power unit (circuit)
Fuse on the power unit
(circuit)
NO
Mea-
sure resis-
tance* between pins (2)
and (4), and between pins
(7) and (11) of
E800.
0Ω
PWB assembly MAIN
Power unit (circuit)
Power unit (circuit)
Short
Open
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YES
PWB assembly SW
E808, E941
Open
Lamp door
Re-attach lamp
door
Measure
resistance*
between pins (1) and
(2) of E808 when the
S941 is pushed.
PWB assembly MAIN
0Ω
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