UX-P7R
Tape Recorder Section
Measurement Standar Adjustingd
Items Measurement method
conditions Values positions
ConfirmationTest tape 1 Playback the test tape VTT703L (8kHz)MaximumAdjust the head
of head angle: VTT703L (8kHz) 2 With the recording & playback mechanism,outputazimuth screw
Measurement output adjust the head azimuth screw so that theonly when the
terminal forward and reverse output levels becomehead has been
: Speaker terminal maximum. After adjustment, lock the headchanged.
Speaker R azimuth at least by half turn.
(Load resistance: 3 In either case 4 ), this adjustment should be
: Headphone terminal performed in both the forward and reverse
directions with the head azimuth screw.
ConfirmationTest tapeAdjust VR37 so that the frequency counterTape speedVR37
of tape speed: VT712 (3kHz)reading becomes 2,940~3,090Hz when of deck
Measurement outputplaying back the test tape VT712 (3kHz) with: 2,940 ~
terminalplayback and recording mechanism after 3,090Hz
: Headphone terminalending forward winding of the tape.
Reference Values for Confirmation Items
Measurement Standar Adjustingd
Items Measurement method
conditions Values positions
Difference Test tapeWhen the test tape VT712 (3kHz) has been6.0Hz or Head azimuth
: VT712 (3kHz)
between theplayed back with the recording and plalessyback screw
Measurement output
forward andmechanism at the beginning of forward
reverse speedterminalwinding, the frequency counter reading of the
: Speaker terminaldifference between both of the mechanism
Speaker Rshould be 6.0Hz or less.
(Load resistance: 4 )
Measurement output
terminal
: Headphone
Wow & flutter Test tapeWhen the test tape VT712 (3kHz) has been0.25% or
: VT712 (3kHz) played back with the recording and plalessyback
Measurement outputmechanism at the beginning of forward (WRMS)
terminalwinding, the frequency counter reading of
: Headphone terminalwow & flutter should be 0.25% or less
(WRMS).
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ACEC
JVC
