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24212102 Datasheet(PDF) 10 Page - Toshiba Semiconductor |
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24212102 Datasheet(HTML) 10 Page - Toshiba Semiconductor |
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10 / 54 page  – 10 – 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 Part number of microprocessor (QA01) Operation number of protection circuit (current limiter) . . . . “000” is normal. BUS line check “OK” ................... Normal “SCL-GND” or “NG” .......... SCL-GND short circuit “SDA-GND” or “NG” .......... SDA-GND short circuit “SCL-SDA” or “NG” ........... SCL-SDA short circuit BUS line ACK (acknowledge) check “OK” ..................... Normal Display of Location Number . . . . NG (Display example) “QA02 NG”, “H001 NG”, “Q501 NG” etc. Note: The indication of failure place is only one place though failure places are plural. When repair of a failure place finishes, the next failure place is indicated. (The order of priority of indication is left side.) Sync. signal check Green display ..... Normal Cyan display ...... No check Red display ........ NG UV ........... TV mode V1 ........... VIDEO 1 mode V2 ........... VIDEO 2 mode * The items marked with are not usable to display in the SELF DIAGNOSTIC FUNCTION for some model. |
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