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There are currently no product reviews.
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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.
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Wanting to repair a neighbours tape recorder I needed the necessary information, it makes it easier. Although the service manual is described as "Language : English" To my dismay I found that it is entirely written in German, a language I do not understand. At least I now have the schematics which will help of sorts. I may not use this service again due to the laguage difficulty after all when it states English you do not expect it to be entirely in another language.
HT-DP2500W
(Continued)
s AM/FM Interval (span)
The International Telecommunication Union (ITU) has established that member countries should maintain either a 10 kHz or a 9 kHz interval between broadcasting frequencies of any AM station. The illustration shows the 9 kHz interval zones (regions 1 and 3), and the 10 kHz interval zone (region 2). This product is not equipped with a span selector. However, it will be adjusted to 9 kHz AM interval (50 kHz FM interval) when shipped from the factory. Before using the unit, be sure to set it for the AM tuning interval (span) used in your area. To check the tuning span currently selected:
1 2
ON/STAND-BY
Set the ON/STAND-BY button on the main unit to ON. Press the TUNER (BAND) button until "FM" or "AM" appears in the display. Press the TUNER (BAND) button to select the AM band.
3
q If "AM 531 kHz" is displayed, it means that the radio has been adjusted for a 9 kHz span. If "AM 530 kHz" is displayed, it means that the radio has been adjusted for a 10 kHz span. TUNER (BAND) ENTER To change from a 9 kHz AM (50 kHz FM) interval to a 10 kHz AM (100 kHz FM) interval:
1
ON/ STAND-BY
Press the ON/STAND-BY button on the remote control to enter the stand-by mode. Hold down the TUNER (BAND) button and the ENTER button for at least 4 seconds. Release the buttons when "AM SP 10 kHz" and "FM SP 100 kHz" are displayed alternately.
2
To return to a 9 kHz AM (50 kHz FM) interval:
1 2
[9 kHz � 10 kHz]
Press the ON/STAND-BY button on the remote control to enter the stand-by mode. Hold down the TUNER (BAND) button and the ENTER button for at least 4 seconds. Release the buttons when "AM SP 9 kHz" and "FM SP 50 kHz" are displayed alternately.
(4 seconds)
Caution: q When the unit is left for a few hours after the span has been switched and AC power lead disconnected, it will be automatically returned to a 9 kHz span. If this happens, set the span again. q When the span is switched, any stations that are memorised will be cancelled.
[10 kHz � 9 kHz]
(4 seconds)
�5�
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