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Manual was destroyed and this purchase made it possible to recover my manual . It was easy to down load and smooth to use thanks .
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Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
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Great price, Quick delivery, the document was very usefull A+++++++++++++++
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Thank´s for your help, I already recived these manual from you
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Thank you for your manual It has the basic things to and i use the Oszi for Longer Time.
THX
2-4. VIDEO SYSTEM CHECKS For the video system checks, follow the checking procedures given below as a rule. The color bar video signal supplied from the pattern generator is used as the video input signal for the video system adjustment of the recording mode. Check that the signal satisfies the specified value designated in the �Check of input signal� (Fig. 6-2-2) Unless otherwise specified, set the switches to the following positions. � � INPUT SELECT switch ........................................... LINE 1 TAPE SPEED switch ..................... SP (Remote commander)
2-4-2. SYNC AGC Check (MA-335 Board) Mode E-E Signal Measurement point Measuring instrument Specified value Color bar IC201 pin #� Oscilloscope A=2.10 ± 0.10Vp-p
[Check Method] 1) Check that the Video signal level (A) satisfies the specified value.
White (100%)
[Checking Sequence] 1) X�tal OSC Check 2) SYNC AGC Check 3) Recording Y Level Check 4) Recording Chroma Level Check 5) Playback Level Check 2-4-1. X�tal OSC Check (MA-335 Board) Mode Playback Signal Measurement point Measuring instrument Specified value Alignment tape: SP Color bar portion IC201 pin %§ Oscilloscope and Frequency counter 3,579,545 ± 70Hz
A
H
Fig. 6-2-6.
2-4-3. Recording Y Level Check (MA-335 Board) Mode E-E (SP) Signal Measurement point Measuring instrument Specified value No-signal IC201 pin !� Oscilloscope A=290 ± 70mVp-p
Note: A frequency counter should be connected through a buffer amplifier (oscilloscope, etc.) having a high impedance and a low capacitance. [Check Method] 1) Check that the oscillation frequency satisfies the specified value and that the oscillation voltage is 500 ± 200mVp-p.
[Check Method] 1) Check that the recording RF signal satisfies the specified value.
500 ± 200mVp-p
A
3,579,545 ± 70Hz
Fig. 6-2-5.
Fig. 6-2-8.
6-4
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