TEAC W-865R
Manual de Servicio

W-865R

ITEM
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SETTING
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INPUT SIGNAL
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ADJUSTMENTS
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MEASURING RESULT
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REMARKS
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17. Erase efficiency
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Connection:Fig. 2-3 TAPE: MTT-5563 1kHz B.P.F in

LINE IN: 1kHz/�1dB

Check

65dB min.

Ratio of the 1kHz recorded portion to the erased portion.
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18. REC MUTE function
REC MUTE ��

Connection:Fig. 2-3 TAPE: MTT-5563 1kHz B.P.F in

LINE IN: 1kHz/�1dB

Check

55dB min.

Ratio of the 1kHz recorded portion to the "REC MUTE" portion.
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19. Channel separation
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Connection:Fig. 2-3 TAPE: MTT-5563 1kHz B.P.F in

LINE IN: Lch 1kHz/ �9dB Rch No signal �信�

Check

35dB min.

Ratio of Lch (1kHz) to Rch (no signal). Lch (1kHz)�Rch (�信
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20. Adjacent track crosstalk
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LINE IN: Lch No signal Connection:Fig. 2-3 TAPE: MTT-5563 Rch 125Hz/ �9dB
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Check

40dB min.

Invert tape and play Rch track. Check leakage level against the output reference of previously recorded portion.
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Fig. 2-3

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Fig. 2-4 �7�

Fig. 2-5