Oscilloscope
Distortion Analyzer
OscillatorAC voltmeter
1kHz Filter
S2
S1
LL
AD-600
RR
LINE INLINE OUT
Fig. 3-2 Basic test setup
3-2-1 Mechanical performance ;�%
MEASURING POINTS,
ITEMSETTINGTEST TAPEADJUSTMENTS
RESULT
Å�yÄ�?yÃ�?Ã�Ã�?Ã�Ä�TÂt
Ât~Ä�T?
1. Wow and flutterPITCH CONTROL: Center
MTT-111NCheck0.19% or less (WRMS)
ë�~�ĺż?FWD and REV play
PITCH CONTROL: CenterCONTROL PCB
MTT-111N3,000? 20Hz
FWD playR652
2. Tape speed
�?�S
REV playMTT-111NCheck3,000? 75Hz
3. Pitch control variablePITCH CONTROL ? :
range2,640Hz or lower
MTT-111NCheck
�ż�Ż��é?çPITCH CONTROL ´ :
D!�3,360Hz or higher
Frequency Counter
Wow & Flutter Meter
L
AD-600
R
LINE OUT
Fig. 3-3
? 6? |