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5
W-860R
2-2-3 Playback performance
再生系
Deck settings:
TEAC test tapes:
Mode: PLAY
MTT-150C : For Dolby level calibration
DOLBY NR Switch: OFF
MTT-25702 : For playback frequency response check NORMAL tape
MTT-5513 : For S/N check NORMAL tape
ITEM
項 目
SETTING
設 定
INPUT SIGNAL
入力信号
ADJUSTMENTS
調整個所
MEASURING
POINTS, RESULT
測定個所・調整値
REMARKS
備 考
1. Head
azimuth
adjustment
アジマス調整
Connection:Fig. 2-4
Check and adjust in
FWD, REV
respectively
FWD、REVそれ
ぞれ調整・確認
MTT-150C
Check
LINE OUT:
Phase: within 45°
位相: 45°
以内
(Fig. 2-5)
2. DOLBY level
ドルビー
レベル
Connection:Fig. 2-2
FWD PLAY
MTT-150C
R11/R21
TP1/TP2:
−6dB
REC/PLAY
Ⅰ
Ⅰ
3. Playback
output level
再生出力
レベル
Connection:Fig. 2-3
FWD/REV PLAY
MTT-150C
Check
LINE OUT:
−4.5±1dB
Ref. output level
基準出力レベル
4. Meter level
メーター
レベル
MTT-150C
Check
LEVEL METER:
∂
mark±1dot
5. PHONES
output level
PHONES
出力レベル
MTT-150C
Check
PHONES:
−19±3dB
8Ωload
8Ω負荷
6. Playback
frequency
response
再生周波数
特性
Connection:Fig. 2-3
MTT-25702
Check
7. Playback
S/N ratio
再生S/N比
Connection:Fig. 2-3
MTT-5513
Playback the
leader tape portion
リーダーテープ
部を再生
Check
46dB min.
Ratio of ref.
level to noise
基準出力レベル
とノイズの比
MTT-25702
(12.5kHz)
Azimuth screws
アジマス調整
ねじ
LINE OUT:
Maximum output
level at L & R-ch
Lch、Rchとも出
力最大
R12/R22
REC/PLAY
Ⅱ
Ⅱ
FWD azimuth
REV azimuth
250
1k
12.5k (Hz)
+
4dB
– 4dB
Содержание W-860R
Страница 8: ...3 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW 1 W 860R 8...
Страница 13: ...13 W 860R MAIN PCB TR PCB REC AMP PCB...
Страница 14: ...14 W 860R CONTROL PCB KEY PCB MIC PCB VR PCB SELECTOR SW PCB PHONE PCB SLIDE PCB TRANS A PCB TRANS B PCB...
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