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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
1-2 CONTROLLING VERSION OF FIRMWARE
The firmware is regularly modified as required to improve the performance. Check to see whether the customer problem can be solved by upgrading the firmware : If it can, do so. <Procedure for checking the version of firmware> 1) Open the tray with power on. 2) While holding down the "ADJ/VOL (+)" key on remote con trol, press the "Zoom" key. 3) The version of firmware will appear at the top left of screen. (The display will disappear in approx. 5 seconds.)
DISC LOADING
BANK30.ROM READ START 015
* 1) 015 will be counted down to 000.
VER XXXX Version No.
1 ATUO
EUR
20 Region Code
Tuner Area
WRITING READ START 000 READ OVER
* 2) WRITING will flash.
<Procedure for rewriting firmware> 1) Turn power on. 2) Place the upgrade CD-R on tray, and press the"OPEN/ CLOSE" or "PLAY" key. 3) Messages will appear at the top left of screen in the order shown below ("MP3 STOP" will appear in the display). 4) When rewrite of the firmware is complete, the system will automatically turn off. 5) Unplug the power cord and then plug it in again. 6) Turn power on, and press the "OPEN/CLOSE" key while "LOADING" is shown in the display to remove the upgrade CD-R (if the CD-R is left in the tray, rewrite of the firmware will restart). 7) Check the version of firmware. Caution: Be sure not to unplug the power cord during the rewrite operation. Note: If the firmware has been changed, etc., we will use Service News, etc. to report on how to obtain new firmware data and create an upgraded disc.
DONE READ START 000 READ OVER
Power will automatically turn off.
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