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High quality scan of original Service Manual. Everything´s fine!
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Good scan of the original service manual. All schematics and adjustment procedures are there. It helped me to fix a long lasting problem with the tracking circuitry. The manual also includes the supplementals 1,2 and 3. Included are; electrical schematic's , pcb layout's, mechanical drawing's and exploded views, disassembly manual and maintenance procedures. 236 pages.
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The Service Manual received was helpful. The electronic information is exactly what I needed.
I recomend all of my friends about this technical page.
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High quality scan of service manual. I am satisfied!
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Excellent copies.
I will use "Owner Manual" again a second time.
ELECTRICAL TROUBLESHOOTING GUIDE -11/17 3. Y/C CIRCUIT (3) When the C(Color) signal doesn�t appear on the screen in PB Mode,
Is 5.2VT/5.4VA applied to the IC301 Pins 24, 42, 55, 72, 91. YES Is the Color Rotary signal applied to the IC301 Pin 70? YES Is Color Rotary "H" about 3.4V? YES Does the Color signal appear at the IC301 Pin 25 ? NO Does the X301(4.43MHZ) oscillate? NO Replace the X301. NO Check the Color Rotary level. (Check the R303) NO Check the Color Rotary Circuit. (IC501 pin 99 ) NO Check the line of the 5.2VT/ 5.4VA Line. (Power Circuit)
YES
Does the Color signal appear at the IC301 Pin 21? YES
NO
Check the Color Pass.
Replace the IC301.
Replace the IC301.
-65-
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