Christie DD1-WU80P, Руководство по обслуживанию

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DWU951 (DD1-WU80P/81P) / DWX951 (DD1-WX80P/81P) / DXG1051 (DD1-X100P/101P)
DWU951/DWX951/DXG1051 Service Manual
020-000674-01 Rev.1 (01-2014) Page 11 / 118
*: Be sure to unplug the power cord before measuring resistance.
(5): +14.3V
(7): GND
NO ¤ 0¥
Replace MAIN PCB.
or
Replace POWER UNIT CIRCUIT1.
Replace POWER UNIT CIRCUIT1.
or
Replace POWER UNIT COOLING.
or
Replace LAMP DOOR RELAY PCB.
œ@ ¥ order)
¤ 0¥
NG (open)
NO
#
¤0¥
Open
Replace POWER UNIT CIRCUIT1.
(1) +16.8V (Normal STBY)
0V (Saving STBY)
(3) GND for (1)
(9) +5.4V
(19) GND
(20) +16.8V
YES
YES
Is
voltage
supplied at pins (5) and
(7) of E800 on the MAIN
PCB?
Power cannot turn on.
Measure
resistance* between
pins (5) and (7) of
E800.
Disconnect
TSW1 (CNTS1)
and TSW2 (CNTS2) from
the LAMP DOOR RELAY
PCB, and measure the
resistance.
Is
voltage
supplied at pins (1)
and (3), (9) and (19), (20)
and (19) of
E800?
Measure
the resistance*
between pins (1) and (3),
(9) and (19), (20) and
(19) of E800.
Replace MAIN PCB.
or
Replace POWER UNIT CIRCUIT1.
?§ #+
?
No sound
Listen
carefully to the
sound from the POWER
UNIT COOLING while re-
plugging the cord
after 30 sec.
YES
NO
Replace MAIN PCB.
or
Replace POWER UNIT CIRCUIT1.
Is
voltage supplied at
pins (9) and (19) of
E800?
Replace POWER UNIT CIRCUIT1.
or
Replace POWER UNIT COOLING.
(9) +5.4V (Normal STBY)
0V (Saving STBY)
(19) GND