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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.
TOSHIBA V 726B
Electrical Adjustments Cont�d
(3) Example of display � In case of 1234 hours.
2
www.u-view.co.uk
� In case of 4 hours.
Scart AV Switching Diagram
� When the Counter Reset button is pressed in the display period, the abnormality display data is initialized and �-� is displayed. The data displayed are as follows: Abnormality generation number
Electrical Adjustments (V-727B Only)
1. ADJUSTMENT PROCEDURES 1-1. Servo Circuit 1-1-1. When IT004 is Replaced When IT004 is replaced, the data in the VTR is required to memorize in the new one. So perform the following procedures.
Abnormal system control modes
1. Press the channel up/down buttons on the VTR simultaneously for more than 5s while the display blinks and the unit is in the power off mode. 2. And then within 2s, press the CANCEL button on the remote controller. 3. After displaying the address at the channel display area and the data at the minute display area, set the address to 12 using the channel up/down buttons on the remote controller. Next, set the data to d2 using the FF/REW buttons on the remote controller. The data goes up using FF button and down using REW button.
Fig. 1-1 Abnormal mechanism positions 4. Set each address and data in the table following the description above. Table 1-1
Address 24 25 26 27 28 0C Data 0A 03 15 0A 5A 7F
Positions 0, 2, 4 exist as mechanism positions. For example, 8 shows a position between 7 and 9 (between playback position and review position). 2-3-4. Cylinder rotation time display (1) Outline All the time for which the cylinder is ON is counted, memorized on EEPROM, and indicated on the display tube. (2) Display method � Press the �CH UP� and �CH DOWN� button on the main unit for more 5 sec. at the same time. � Next, within 2 sec. press the �STOP� button on the remote control. � The cumulative operation time of the cylinder will be displayed for 30 sec. The time unit is an hour.
5. Perform the adjustment described in the item �Playback Phase (PG) Adjustment�. 6. Pull out the power cord plug from the AC outlet once and insert the power cord plug into the AC outlet again. 7. Perform the channel presetting as the IT004 replaced has no channel data.
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