Teac W-860R - Page 7

17. Erase
efficiency
WAR
. REC MUTE
function
REC MUTE
SOR
Connection:Fig. 2-3
TAPE: MTT-5572
ikHz B.P-F in
Anes
|
LINE IN:
ikHz/+ 1dB
MEASURING
_ (RESULT
eae
65dB min.
| W-860R
REMARKS |
—
Ratio of the 1kHz
recorded portion to the
erased portion.
RKBEMS & BEB
Olt
Connection:Fig. 2-3
TAPE: MTT-5572
1kHz B.P.F in
LINE IN:
1kHz/+ 1dB
55dB min.
Ratio of the 1kHz
recorded portion to the
"REC MUTE" portion.
ERE BB & "REC
MUTE" #3. Ht
. Channel
separation
FryAaypu
IND—Yay
. Adjacent
track
crosstalk
Kiv7
JOAK-F
Connection:Fig. 2-3
TAPE: MTT-5563
1kHz B.P.F in
LINE IN:
Leh 1kH2/
—9dB
Rch No signal
Mies
35dB min.
Ratio of Lch (1kHz) to
Rch (no signal).
Leh (1kHz) ¢ Rch (#648
F) Ok
Connection:Fig. 2-3
TAPE: MTT-5572
Distortion Analyzer
Oscillator
LINE IN
Oscilloscope
LINE IN:
Lch No signal
Rch 125Hz/
—9dB
LINE OUT
Fig. 2-3
40dB min.
Oscilloscope
1kHz Filter
AC voltmeter
Invert tape and play Rch
track. Check leakage
level against the output
reference of previously
recorded portion.
T-TREE CRE
LAERFORchHALS
WOK
0°(in phase) 45° g0° 135° 180°(out of phase)
(fal i248) (4248)
AC voltmeter OP) OY ©
LINE OUT
Fig. 2-4 Fig. 2-5