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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.
XL-3000W
Make sure that the disc is normal, and set the CD TEST MODE (STEP 1).
Is the measured voltage as specified in circuit diagram? No Yes Is "Er-CD01" displayed"? Yes Move the pickup to most internal circumference side of disc. Turn the power off and reset the CD TEST MODE (STEP 1). Is "PU ERROR " not displayed? Yes Is +5V applied to pin 100 (/RST) of IC802? Yes Does the CD TEST MODE advance from "STEP 2"? Yes No
Check the main unit power supply circuit.
No
Check the pattern between pin 58 (PU_IN) of IC701 and CNW803/CNS803. Check the between CNW803/CNS803 and PU-IN switch.
No
Check the PWB pattern between pin 59 (CD_RES) of IC701 and pin 100 (/RST) of IC802.
No
Is CD Lid switch SW802 ON condition ? Yes
No
Set ON condition the CD Lid switch.
Check the between pattern IC701 and SW802 If OK. Check the main unit power supply circuit. Does the laser come on in CD TEST MODE "STEP 2"? No Yes Does the CD TEST MODE advance from "STEP 3" to "STEP 4"? Yes Does the spindle motor rotate normally when the CD TEST MODE changes from "STEP 4" to "STEP 3"? Yes Is the HF output on pin 38 of IC802 in CD TEST MODE "STEP 5"? Yes Does the sound heard when the optical pickup move to the selected play by the FF /REW key. Yes Check the procedure "NO SOUND" Does the LCD track number and time indicator work properly ? Yes Turn the power off and then back on. Does the unit initialize properly and start playback when PLAY key is pressed? Yes Check the pattern between pin 58 (PU_IN) of IC701 and CNW803/CNS803. Check the between CNW803/ CNS803 and PU-IN switch. Is "Er-CD01 " No displayed ? Yes No Check the procedure in "HF ERROR". Check the pattern between IC701 and LCD701. No Does the sled motor move ? Yes No Check the procedure in "SLED MOTOR OPERATING FAILURE ". No Check the procedure "HF ERROR". No Check the procedure in "SPINDLE MOTOR CLV SERVO FAILURE". Check the procedure in "FOCUS FAILURE". No Check the procedure in "LASER FAILURE".
No
Does the unit play in order in the FF mode? No Yes Does playback continue for 30 seconds after the start of playback ? Yes Normal No
Check the procedure in "TRACK SEARCH FAILURE".
Check the procedure in "SLED SERVO FAILURE".
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