ADJUSTMENTS
TAPE ALIGNMENT CHART
StepItemReference Value Test Tape Adjust PointTest PointNoteFIG.
Line Out L/R Confirm Wow & Flut-
3,015~3,025HzMTT-111N RV601FIG.1
Channelter is within 0.35%
Confirm Tape Speed
Normal
Line Out L/R of end position after
Tape Speed 3,000~3,010HzMTT-111N RV601FIG.1
1Channeladjustment at tape
Adjustment
start position
Shorted Confirm High speed
High5,820~6,180HzMTT-111N - - - - - -TP601, after normal speed FIG.1
TP602adjustment
Maximum Level Line Out L/R
2Azimuth AdjustmentMTT-114N Head ScrewFIG.2,3,4
Phase:Within90°Channel
Recording Bias Oscilla-Adjust with frequency
TP603,GND
3tor Frequency Adjust-80 KHz?0.5MTT-5511L603counter connected.FIG.1
ment
Adjust with Frequency
Counter Connected
Test Tape : MTT-111N(3kHz)Frequency Counter
MTT-5511(Blank)
Set
Output Level
Measurement Point
ForwardReverse
SideSide
FIG. 1 : Tape Speed & Record Bias Oscillator FIG. 2 : Tape Azimuth Adjust Location
Frequency Adjust Circuit(Record/Playback Head)
Test Tape
MTT-114N
(10kHz)
L-CHL-CHOscilloscope
Peak
VH
withinSet
1 dB
within
1 dB
R-CHOutput Level
PeakMeasurement Point
Screw
AngleOutput Level
Screen Pattern
L-CHR-CHScrew AngleIn Phase 45 90 135 180
PeakPeak
GoodWrong
FIG. 3 : Tape Azimuth Adjust Head Screw & WaveformFIG. 4 : Tape Azimuth Adjust Circuit & Waveform
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