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Fully functional usable service manual. Considering the age of the manual and device quality was better than expected
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Thank you very much, I've been very happy to find this manual on "Owner Manual". It's a perfect copy and it has been really useful for my work!
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It took about 24-hours after my payment before I was able to get to the download. Apparently, payment processing is not 100% automated. That is no big deal, just be aware of that going in.
After I got to it, it was in good shape, easy to read, etc. Not some cheap FAX copy looking thing.
Also, this site was the cheapest I found. Another Plus!
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Good price, very legible manual, exactly what I needed -- but had to wait a day to actually get the download of the manual. Would have preferred to download it immediately after payment rather than waiting for someone to "process" my order. I was surprised that I had to wait that long.
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As the only source for this manual it rather rank quite high since it is well scanned and perfectly readable.
2-3.
2-3-1.
SERVO SYSTEM Adjustment
2-4.
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 ± 0.5 H (416 ± 32 µsec)
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. X�tal 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 #� IC201 Oscilloscope 2.10 ± 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 �A P� on FL display. 3) Using the channel + and � buttons, adjust to 416 ± 32 µsec (6.5 ± 0.5 H). 4) Press the pause button.
Confirmation Method: 1) Confirm that the play Y level is 2.10 ± 0.18 Vp-p.
CH1 CH2 Approx. 5 Vp-p V enargement Vertical sync. signal Approx. 1 Vp-p
White (100%)
2.10 ± 0.18 Vp-p
H
Fig. 7-2-4.
CH1
CH2
6.5 ± 0.5 H (416 ± 32 µsec)
Fig. 7-2-3.
7-3
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