Integra DLV-100, Руководство по обслуживанию

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TROUBLESHOOTING
1. Operation check
A certain degree of diagnosis can be carried out by examining the equipment operation in the state of ordinary
usage.
Prior to the removal of the top cover, check the points shown below.
• Is the POWER indicator lit in orange when in standby?
No • The POWER cord is not correctly inserted.
• A connector (POPA, POPB, POSW) is pulled out.
• The POWER unit is defective.
• The MAIN PWB, SUB PWB, or the membrane switch is defective.
Yes
• Is the POWER indicator lit in green when POWER is ON?
No • The lamp’s life has expired. (The STATUS indicator is lit.)
• The connector (POSW) is pulled out.
• The optical engine is defective.
Yes
• Is the STATUS indicator flashing?
Yes • The lamp fails to light. (Flash in a 12-second cycle. ON for 6 seconds and OFF for
6 seconds)
• The lamp is broken. (Flash in a 12-second cycle. ON for 6 seconds and OFF for 6
seconds)
• Connector (PODB or DC) is pulled out. (Flash in a 12-second cycle. ON for 6 sec-
onds and OFF for 6 seconds)
• Connector (POFA or POFB) is pulled out. (Flash in an 8-second cycle. ON for 4
seconds and OFF for 4 seconds)
• The fan stops due to failure or intrusion of foreign substance. (Flash in an 8-second
cycle. ON for 4 seconds and OFF for 4 seconds)
• Deviation from the range of normal operating ambient temperature conditions. (Flash
in a 4-second cycle. ON for 2 seconds and OFF for 2 seconds)
• The connector (POLA) is pulled out. (Flash in a 4-second cycle. ON for 2 seconds
and OFF for 2 seconds)
• The lamp house is dislodged. (Flash in a 1-second cycle. ON for 0.5 seconds and
OFF for 0.5 seconds)
• The connector (POLB) is pulled out. (Flash in a 1-second cycle. ON for 0.5 seconds
and OFF for 0.5 seconds)
• The POWER unit or peripheral circuits of the CPU are defective.
No
• Is the STATUS indicator lit?
Yes • Lamp timer has reached 1000 hours.
No
• CPU’s peripheral circuit malfunction. Breakage of programs and data.
DLV-100