Playback Performance - Tascam 202MKV Service Manual

Double auto reverse cassette deck
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2-3 Playback performance 再生系
Deck settings:
Mode:
PLAY
DOLBY NR Switch:
OFF
SETTING
ITEM
項 目
Connection:Fig. 2-4
1. Head
Check and adjust in
azimuth
FWD, REV respec-
tively
adjustment
FWD、REV
アジマス調整
調整・確認
2. DOLBY level
Connection:Fig. 2-2
ドルビー
FWD PLAY
レベル
3. Playback
Connection:Fig. 2-3
output level
FWD/REV PLAY
再生出力
レベル
4. Meter level
メーター
レベル
5. PHONES
output level
PHONES
出力レベル
6. Playback
frequency
Connection:Fig. 2-3
response
再生周波数
特性
7. Playback
Connection:Fig. 2-3
S/N ratio
再生S/N比
INPUT SIGNAL
設 定
入力信号
MTT-150C
それぞれ
MTT-25702
(12.5kHz)
MTT-150C
MTT-150C
MTT-150C
MTT-150C
MTT-25702
MTT-5513
Playback the
leader tape portion
リーダーテープ部
を再生
TEAC test tapes:
MTT-150:
For Dolby level calibration
MTT-25702:
For playback frequency response check
NORMAL tape
MTT-5513:
For S/N check NORMAL tape
MEASURING
ADJUSTMENTS
POINTS, RESULT
調整個所
測定個所・調整値
LINE OUT:
Phase: within 45°
Check
位相: 45° 以内
(Fig. 2-5)
LINE OUT:
Azimuth screws
Maximum output
level at L & R-ch
アジマス調整
Lch、Rch
ねじ
最大
R11/R21
W12/W15:
300mV
R12/R22
LINE OUT:
Check
−4.5±1dB
LEVEL METER:
Check
∂ mark±1dot
PHONES:
Check
−13±3dB
Check
Check
46dB min.
−6−
TASCAM 202MKV
REMARKS
備 考
とも出力
1 1
REC/PLAY
2 2
REC/PLAY
Ref. output level
基準出力レベル
32Ωload
32Ω負荷
Ratio of ref.
level to noise
基準出力レベルと
ノイズの比

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