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As Always you can find here manuals even of difficult TV scheme which are scan in almost perfect way.clear and fast!!!!!
Great work thanks!
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Incredibly clear!!!! Well done, complete and wonderful. It could not better than this!!!!
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Thank You for fast delivery for the sheme.
Everything allright.
Thanks & best regards Franz
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again you did a very good job. It was fast too. Photocopy are really readable and clear
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Probably it never existed a 1081 official service manual from Commodore, it's look more like a NAPCEC service manual & diagrams compilation of the 1084 series and his variants, like the nap6523, 8cm505, 1084S, 1084P and obviously the 1081. It's more complete than other scans and the quality of the scans also are far superior. It has two circuit diagrams variants of the 1081, mono and stereo versions. It doesn't include a diagram for the Philips CM8500 or CM8501, they look like the 1081 but they are slightly different.
LC-15B2EA
4. Initialization
When the microprocessor (IC2001) or the EEPROM (IC2004) has been replaced or when the EEPROM has been initialized, readjust the each adjustments. 4-1. Connect the pins (81) and (82) of IC2001 (microprocessor) to GND, and turn on the power. 4-2. Select the model name to (B2EA). 4-3. Select the inch size (15). 4-4. LED changes green from red after setting finish and about 15 seconds, initialization is completed, and it becomes adjustment mode.
5. Adjustment
5-1. +B adjustment...Page 1 +B-ADJ Adjust the voltage of the pin (13) of P2002 to 5.00 ±0.02V. Note: Since 5.0V is a reference voltage of all power voltage, adjust it precisely. 5-2. Counter-bias adjustment Vary the "COM BIAS" setting on Page 2 of the adjustment process mode so that the contrast be sharpest (black looks most sinking). 5-3. TAMP adjustment 1) Receive the upper left of 75% white half colour bar signal. 2) See if the �Y� reading on page 2 of the adjusment process mode is somewhere following. If not, make the �PAL TAMP� adjustment to get the �Y� reading in the range of BF thru C9. 3) If the adjustment of �PAL TAMP� is executed, write its adjustment value to the �SECAM TAMP� manually. (Screen of the page 2 of the adjustment processing menu OSD)
0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 C P S R G B G G T T O A E C C C 3 1 A A M M P P M L C U U U A T T T B T M O O O B B F F F 3 4 H L I A A M T F F F R 3 Y 0 0 0 0 0 0 0 0 � 0 B C B S P A M P 1 2 2 2 � 0 7 7 5 0 1 0 E 9 F 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Y Data (White 75%)
5-4. White balance adjustment Adjust �RCUTOFF� and �BCUTOFF� on the page 2 of the adjustment processing so as to obtain the colour of the same level as the standard set. Note: For the adjustment processing of �RCUTOFF� and �BCUTOFF�, adjust them in the indication value range of ... �9, �7, ... �1, +1, ... +7, +9. When it becomes even-numbered value, side favor noise sometimes occurs in the monochrome signal of the specific gradation.
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