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Document is original service document of sharp. I had a problem with the door contacts. Fuses where blown. With the manual in a few minuts is was clear what the problem was.
Manual was of great help.
With kind regards,
The scan is clear and well readable with very few weaker spots, usually on black background with white letters, but with enough zoom those spots can be read.
Printout is clear, the manual is complete and has all pages scanned.
I would give 5 stars, except that it is not in color, and the schematic and PCB pages are scanned on multiple pages. The document is locked (except printing) so the pages can not be extracted to compose them together for printing on the large plotter
It is worth the price tag.
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
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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SERVO SYSTEM Adjustment
VIDEO SYSTEM ADJUSTMENT
RF Switching Position Adjustment (RP-230 Board) Purpose: Adjust the interval between A ch and B ch of tape playback output. Improve the interchangeability with other tapes and sets. When it is out of order, the interval appears on the screen, the screen is disturbed. Mode Signal Measurement Point PB Alignment tape SP mode color bar CH1: VIDEO LINE OUT CH2: Pin 2 of CN261 (RP230 board) (RF SWP) Oscilloscope 6.5 Â± 0.5 H (416 Â± 32 Âµsec)
Adjust the video system in the following sequence as a rule. The color video signal supplied from the pattern generator is used as a video input signal for video system adjustment in the recording mode. Make sure that sync. and color burst signals meet requirements specified at set up of adjustment shown in Fig. 7-2-1. [Adjustment Sequence] 2-4-1. Playback Y Signal Level Check 2-4-2. Recording Chroma Level Check 2-4-3. Sync. AGC Check 2-4-4. Xâtal Oscillation Frequency Check 2-4-1. Playback Y Signal Level Check (MA-315 Board)
Measuring Instrument Specified Value
Purpose: Confirm that the playback Y signal level is correct. Mode Signal Measurement point Measurement equipment Specified value PB Alignment tape SP color bar Pin #â¢ IC201 Oscilloscope 2.10 Â± 0.18 Vp-p
Adjusting Method: 1) Connect RP-230 board Pin 5 of CN261 to the GND for about 1 secont to activate the RF switching position adjustment mode. 2) Check appear âA Pâ on FL display. 3) Using the channel + and â buttons, adjust to 416 Â± 32 Âµsec (6.5 Â± 0.5 H). 4) Press the pause button.
Confirmation Method: 1) Confirm that the play Y level is 2.10 Â± 0.18 Vp-p.
CH1 CH2 Approx. 5 Vp-p V enargement Vertical sync. signal Approx. 1 Vp-p
2.10 Â± 0.18 Vp-p
6.5 Â± 0.5 H (416 Â± 32 Âµsec)