Teac X-2000R - Page 20

X-2000R
20
SETTING INPUT SIGNAL ADJUST RESULT REMARKS
& £ A Ww fF 5 ae aa a (io i =
Output noise levels when “no-signal’’ recording is
played back (S/N zero reference level corresponds to
—5 dB of noise level)
PAE SRART —-TeBRTT, BELEROMAHE LAU
(S/N IHL Ald — 5aB)
YTT-8053 & YTT-8013
22. Signal to noise ; No signal
SPEED sw:HiGH&LOW | joo.
ig eehinoe TAPE sw:EE&NORMAL | ** 8% | _speeo | TAPE NOISE LEVEL
-
DBX sw: OUT
YTT-8053 | —61dB (690uV) | 56 4B
YTT-8013 | —58dB (975uV) | 53aB |
YTT-8053 | —58dB(975xV) | 53aB |
YTT-8013 | —56 dB (1.23 mV) | 51 dB |
@ Record a 1 kHz signal, rewind and erase a portion of the recording. Playback the tape to compare the output
level from the oriainal 1 kHz recording with the level from the erased portion.
1kH2feS ERBRERLC-MEWK, RKB CHERBIOMUHAHNLULERHME.
e@ Connection is same as in Fig. 3-3, but engage 1 kHz filter. 1kHz B.P.F. #4
@ The worst value should be within spec. HH(ADIREMETSCeL.
@ Specifications should be met even when BIAS FINE is turned down to its minimum setting.
BIAS FINEDEAR)TOULREMETSTL.
23. Erase
efficiency
HER
LINE IN: Each tape and speed
Same as above 1 kHz/—2 dB SF — IERIE
aE (615 mV) 68 dB min. ratio
@ Connection: Fig. 3-3, but do not connect LINE IN (R), and engage 1 kHz filter. 1kHz B,P.FGi
@ Set the deck to record mode. Find the difference between the 1 kHz recorded portion (L ch) and the
“no-signal” portion (R ch). Then change the connection and check reverse portion.
24, Channel LkHz $82 865 (Leh) & S48 38% MH (Roh) O1kH2 HEA LALOR E WE. LREANBATIBEICDUTEFIYI-
separation
FrrRie- LINE IN:
YTT:
ters—vay SPEED aw: HIGH a as Pacey fl ea 50 dB min. ratio
TAPE sw: EE SISK | eZ
Rch: No signal
e@ Record a 125 Hz signal on R channel in forward recording mode. Play the tape in reverse playback mode to
measure output level from & channel and compare it with output level from R channel.
Reh 125Hz@F WDE L, FCOBEMHEBRELAUILETS. KICTOF—DPEREVHEL, LehoR ih cee
NWEDEEHE.~
e Perform the same procedures in reverse recording and forward playback modes. Check also Lch to Reh crosstalk.
REVS, FWDHEOBAIC IW THF IYI. KELCHCOWTOMRITF TT.
LINE IN:
L ch: No signal
R ch: 125H2/—12dB
(195 mV)
25. Adjacent track
crosstalk
boy oRAPAAr—F
YTT-8053
SPEED sw: HIGH
TAPE sw: EE
Check
Frwy
40 dB min. ratio
e@ Connection: Fig. 3-3, but engage 1 kHz filter. 1kHz P.B.FRiA
e Record a 1 kHz signal. Push REC MUTE button for several seconds. (At this time, make sure LED on the
button lights). Rewind and play the tape. Find the difference between the 1 kHz portion and ‘‘rec-mute’’
portion.
1kHz @6kE L, PCREC MUTESMEHL CHESMIEES. CDF -PEBE LRSM? CHASM COWALN
VHEEMETS.
FxrIvyvI
YTT-8053
Correct waveform (£2)
SPEED sw: HIGH
TAPE sw: EE
Incorrect waveform
26. REC MUTE
function
REC MUTERIR
LINE IN:
1 kHz/—2 dB
(615 mV)
LINE IN:
1 kHz Sawtooth
/~12 dB
TAR
YTT-8013
SPEED sw: HIGH
TAPE sw: NORMAL
27,
Phase
shift
R576/R976
Fr—Kev Th
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