SPECIFIC INFORMATIONS GENERAL ADJUSTMENTS
8.SELF DIAGNOSTIC FUNCTION
1)Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly.
2)During diagnosis, the following displays are shown.
SELF CHECK
NO. 23 * * * * * *
POWER : 000
BUS LINE : OK
BUS CONT : OK
BLOCK : UV V1 V2
or | QV01 QV01S |
SYNC |
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Part number of microprocessor (QA01)
Operation number of protection circuit (current limiter) . . . . | “000” is normal. | |||||
BUS line check |
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| “OK” | Normal |
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BUS line ACK (acknowledge) check
“OK” | Normal |
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Display of Location Number . . . . | NG | |
(Display example) |
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“QA02 NG”, “H001 NG”, “Q501 NG” etc. | ||
Note: The indication of failure place is only one place though failure places are plural. When |
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| repair of a failure place finishes, the next failure place is indicated. (The order of priority of | ||||
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| indication is left side.) | ||||
Sync. signal check |
| Green display | Normal | |||||
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| Cyan display | No check | |||||
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| Red display | NG | |||||
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| UV | TV mode |
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| V1 | VIDEO 1 mode |
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| V2 | VIDEO 2 mode |
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*The items marked with are not usable to display in the SELF DIAGNOSTIC FUNCTION for some model.
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