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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.
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Rapid, clear well done as all the scheme I downloaded from this site. Great job very functional and very useful
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Great copy of the manual, has all information required for servicing,
XV-S40BK/XV-S42SL/XV-S45GD XV-S30BK/XV-E100SL
(3) Traverse movement NG 1.Defective traverse driver *Has the voltage come between terminal of CN101 "1" and "2" ? 2.Defective BTL driver (IC201) *Has the motor drive voltage gone out to IC201"17" or "18"? 3.Has the control signal come from servo IC or the microcomputer? *Is it "H" while the terminal of IC201"9"(STBY1) ? *TRSDRV Is the signal input? (IC301 "67") 4.TRVSW is the signal input from microcomputer? (IC401 "46") (4) Focus ON NG * Is FE output ? --- Pattern, IC101 * Is FODRV signal sent ? (R209) --- Pattern, IC301 "115" * Is driving voltage sent ? IC201 "13", "14" --- If NG, pattern, driver, mechanical unit . * Mechanical unit is defective. (5) Tracking ON NG * When the tracking loop cannot be drawn in, TE shape of waves does not settle. * Mechanical unit is defective. Because the self adjustment cannot be normally adjusted, the thing which cannot be normally drawn in is thought. * Periphery of driver (IC201) Constant or IC it self is defective. * Servo IC (IC301) When improperly adjusted due to defective IC. (6) Spindle CLV NG * IC101 -- "35"(RF OUT), "30"(ARF-), "31(ARF+). * Does not the input or the output of driver's spindle signal do the grip? * Has the tracking been turned on? * Spindle motor and driver is defective. * Additionally, "IC101 and IC301" and "Mechanism is defective(jitter)", etc. are thought.
(7) Address read NG * Besides, the undermentioned cause is thought though specific of the cause is difficult because various factors are thought. Mechanism is defective. (jitter) IC301, IC401. The disc is dirty or the wound has adhered. (8) Between layers jump NG (double-layer disc only) Mechanism defective Defect of driver's IC(IC201) Defect of servo control IC(IC301)
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