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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
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Very clear copy of the philips service manual. Fast delivery. Thank you very much
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Excellent manual, detailed, very useful! Exactly what I needed, I'd recommend it to all who need it. Although images are scanned easily readable and explicit. A valuable tool product at a price more than modest, take it with confidence and you will not regret it!
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Clear and complete service manual. Easy now to restore my old Kenwood KD-1500.
Thanks a lot.
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Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
DV MECHANICAL ADJUSTMENT MANUAL VII
2. 1) 2)
3)
CUE/REV Check Play back the tracking alignment tape (XH 2-1) (Ref. No. J-5). Establish the CUE mode. Confirm that the pitches between the peaks of the RF waveform are equally spaced. Also confirm that the RF waveform amplitude at entrance side (B) and exit side (C) is 50% or more respectively, when taking the amplitude (A) in the CUE or REV mode as 100%. Establish the REV mode. Confirm that the pitches between the peaks of the RF waveform are equally spaced. Also confirm that the RF waveform amplitude at entrance side (B) and exit side (C) is 50% or more respectively.
3. 1) 2)
3)
4)
Rise-up Check Play back the tracking alignment tape (XH 2-1) (Ref. No. J-5). Change the modes from CUE mode to FWD. Confirm that the RF waveform rises up within two seconds when the mode is changed from CUE mode to FWD. Change the modes from REV mode (two seconds or more of REV and to the FWD within five seconds) to FWD. Confirm that the RF waveform rises up within two seconds when the mode is changed from REV mode to FWD. Change the modes from STOP mode to FWD. Confirm that the RF waveform rises up within two seconds when the mode is changed from STOP mode to FWD.
B
C
A=100%
400 µsec B = 50% or more C = 50% or more
Fig. 4-13
� 52 �
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