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let's say first that i do not need to have a credit for my opinion, i am a retired sparkie and i voluteerd to fix an electronic device for a local "Youthgroup",as no diagram was present i checked the "net" and gambled on this site and paying some fee via PayPall, i was gladly surprised that the manual arrived as was stated, GOOD SHOW, and best wishes, John
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I had been looking for a Manual for my CS2150 for quite a while -- in fact I had just about given up. I saw this site and decided to download the Manual. When I Received it by Email I was really pleased with what I got, with the result that My Kenwood 'Scope is now 100% repaired and working well. As an AV Serviceman, you need a good 'scope, and thanks to this site, and the Service Manual, I have been able to repair it. The Manual was a copy of the Factory Original and the copy was very clear, especially in the area of the Circuit Schematics, where You really need to be sure of what You are looking at.
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I recently purchased a manual for a Samsung DLP tv to help with a trouble shooting problem I was having. Every tv repair shop wanted close to $400.00 for the fix, but after I found Owner-Manuals.com I hit pay dirt. The manual they had for me to purchase and download was a complete service manual for the exact tv I needed. It was complete with wiring diagrams, schematics, and even part numbers. If your the fix it yourself type I highly recommend trying to find any manual here before paying someone else to fix whatever problem your having.
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Once again, excellent price and manual delivered in a timely manner and as advertised!
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Outstanding quality manual. This is the exact documentation I needed to service my AKAI GX-210D. This is a PERFECT COPY of the service manual for my machine. Outstanding service. Thank-you!
CD-4900M/DPF-J9030
CIRCUIT DESCRIPTION
2. Test mode
INPUT KEY Insert the AC plug to the wall outlet with pressing the SKIPDOWN key. Insert the AC plug to the wall outlet with pressing the REPEAT key PLAY/PAUSE STOP UP DOWN RANDOM PROCEDURE INITIAL CONDITION � Disc No.1 moves to the center. � Clear the memory of the SRAM. � Door opens. � Set the switch of TIMER ON PLAY to ON. CIRCUIT ADJUSTMENT � Open the door and load the disc to the Disc No.1. � Close the door. The unit changes to test mode05 after clamping the disc. Change the mode 05(tracking-on) and 03(tracking-off) alternately by the PLAY key. Stop the function. The pickup travels outwards. The pickup travels inwards. Shows the result of self-adjustment. 07 EF/FB à ñ ó ñ 08 TG/FG ñ ñ ó ñ 09 FE/RF ñ ñ ó ñ 10 TE/VC ì ñ REPEAT CONFIRM (TIMER PLAY SW) OPERATION A/B Insert the AC plug to the wall outlet with pressing the UP key. Insert the AC plug to the wall outlet with pressing the RANDOM key. PLAY/PAUSE STOP Mode changes alternately by the RANDOM key. Playback PGM signal of the Track No.7,13,23,30,34 and 41 in the order. And release the test mode. Release the test mode. Check the switch position. Change the mechanism A and B. CHECK THE MECHANISM JAMMING. Clamp the Disc No1,2,100,50,200 and 199 in the order. THE MECHANISM TEST MODE. Display shows Niagara until pressing any keys. DISPLAY MECHA. INITIAL INITIAL OK!! INITIAL NG TIMER NG TEST ON
05 XX:XX
03 XX:XX
00 MOTOR FORWARD MOTOR REVERSE 07 XXX:XXX 08 XXX:XXX 09 XXX:XXX 10 XXX:XXX NG: blinking
TIMER ON , TIMER OFF
Change the mode 05(tracking-on) and 03(tracking-off) alternately by the PLAY key. Stop the function. Shows the result of self-adjustment. 07 EF/FB à ñ ó ñ 08 TG/FG ñ ñ ó ñ 09 FE/RF ñ ñ ó ñ 10 TE/VC ì ñ Mode changes alternately by the STOP key. Arm Motor Load operation. Arm Motor Unload operation. Rotary Motor Clockwise turning. Rotary Motor Counterclockwise turning. Playback PGM signal of the Track No.7,13,23,30,34 and 41 in the order.And release the test mode. Release the test mode. Change the mechanism A and B.
05 XX:XX
03X:XX
07 XXX:XXX 08 XXX:XXX 09 XXX:XXX 10 XXX:XXX NG: blinking MOTOR LOAD MOTOR UNLOAD MOTOR CW MOTOR CCW
UP DOWN RANDOM DISPLAY REPEAT CONFIRM OPERATION A/B
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