Specifications

RS・’『R575
■MEASUREMENTS AND ADJUSTMENTS
Measu『ement Condition
●Recording・level controll Maximum
●Recording・balance controll Center
●Reverse・mode selector switch;ロ
●Tape−to−tape recording−speed switch;Off
●Dolby NR switch;Off
●ATC switchl Off
●Makesure headsareclean
●Make sure capstan and pressure roIIer are clean
●Judgeable room temperature20±5。C(68±9。F)
Measu『ing inst『umen量
●EVM(Electronic Voltmeter)                      ●ATT(Attenuator)
●Oscilloscope                              ●DC voltmeter
●Digital frequency counter                           ●Resistor(600Ω)
●AF osclllator
NOTE=Before adjustment,be sure to set the AF oscillator output Ievel to OdB(1kHz》:1V
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・Tape speed adjustment(3kHz,一10dB》;Q互CWAT
●OveraII gain adjustment and Overa”frequency response
 Normal reference blank tape;QZZCRA
 CrO2reference blank tapel QZZCRX
 Metal reference blank tapel QZZCRZ
●Adjustment Points
Tope speed
‘DECK”
Tope speed
lDECK2:Highl
Tope speed
⊂DECK21
VR801
       MOTOR RC.B.⊂DECKけ
VR802
VR803
MOTOR RC.B,⊂DECK2》
OPERATION RC.B。
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Notes=
●The test mode terminals on mechanism control P.C.B.
 should be shorted wlth a short clip as shown above
 figure.
●After the adjustment items dlsconnect the short clip.
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