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I BOUGHT A PAIR OF INFINITY VINTAGE SPEAKERS THAT REQUIRED TO BE REPAIRED AND THE ELECTRONIC TECHNICIAN ASKED ME FOR THE SERVICE MANUAL.
I TRIED TO GET IT AT THE MANUFACTURER'S SITE WITH NO SUCCESS, SO I STARTED TO LOOK FOR IT IN THE WEB FOR A LONG TIME, UNTIL I FOUND THE SERVICE MANUAL IN THIS EXCELLENT SITE "OWNER'S MANUAL.COM".
NOW I HAVE MY SPEAKERS WORKING AND ENJOYING THE MUSIC I LIKE.
THANKS TO "OWNER`S MANUAL.COM" I RECOMMEND THIS SITE TO EVERYONE.
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Very quick response. Very good and accurate print quality of the scanned document.
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The service manual was very usable and clear enough to see the individual values of all of the components (unlike some of the service manuals I have gotten in the past from web sites similar to this one). The price was right and the information was greatly appreciated. It helped me with an otherwise very difficult repair. It was much needed and appreciated. A faster turn around on my order would be nice, but I understand the constraints on your staff's time. Thank you for your service.
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Excellent manual. Helped me out with disassembling and troubleshooting my projector.
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thanks you are the best.Very good detail, Quick service response. A useful service manual with all details.
MODELS: LT-2220 / LT-2240 / LT-3020 / LT-3040 / LT-3050
3-A (P*)
3-A (P*) YES Is the signal below available at pins 5, 6 of J711 (control signals of IC701 and IC710 and IC100 ) and 10 of J711 (control signals of IC710) and 28, 31 of IC300 (control signals of TU1A0) ? 5, 6 of J711, 3Vp-p NO IC300 (and peripheral circuits) are out of order.(PWB-MAIN)
v
28, 31 of IC300 10 of J711 YES
3Vdc
Is sound signal outputted correctly at the pins 10, 12 ,8 of J710 connector? ? It checks that a certain signal is outputting in the voltage range of 1V. YES IC701 and IC710 and IC711 and IC712 (and peripheral circuits) are out of order. (PWB-MAIN)
NO
IC100 (and peripheral circuits) are out of order.(PWB- SET(SUB))
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