Teac AD-RW900 Service Manual page 14

Cd recorder/reverse cassette deck
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5-3-3 Mechanical performance
Deck settings:
Mode: REC/PLAY
DOLBY NR Switch: OFF
PITCH CONTROL: Center
SOURCE Switch: LINE
REC LEVEL Control: Specified position (Item 2)
ITEM
項 目
Min. LINE input level
Connection: Fig. 5-2.
1.
ライン最小
REC LEVEL: Max.
Mode: REC-PAUSE
入力レベル
Specified LINE input
level
Connection: Fig. 5-2.
2.
ライン規定
Mode: REC-PAUSE
入力レベル
Bias osc frequency
Connection: Fig. 5-1.
バイアス発振
TAPE: MTT-5513
3.
Mode: REC-PAUSE
周波数
Connection: Fig. 5-2.
Record bias
4.
TAPE: MTT-5513
録音バイアス
MPX filter MPX
Connection: Fig. 5-2.
5.
フィルター
TAPE: MTT-5513
Connection: Fig. 5-2.
TAPE: MTT-5513
Record level
6.
録音レベル
TAPE: MTT-5563
Connection: Fig. 5-2.
Total harmonic dis-
TAPE: MTT-5513
tortion
7.
総合歪率
Connection: Fig. 5-2.
Overall frequency
TAPE: MTT-5513
response
8.
録再周波数特性
Connection: Fig. 5-2.
Overall S/N ratio
9.
TAPE: MTT-5513
総合S/N比
SETTING
INPUT SIGNAL
設 定
入力信号
400Hz/-19dB
(87mV)
400Hz/-8.2dB
(300mV)
No signal
250Hz/10kHz
-34dB (15mV)
MTT-5563
19kHz/-12dB
(195mV)
400Hz/-8.2dB
(300mV)
400Hz/-12dB
MTT-5563
(195mV)
250Hz-12.5kHz
MTT-5563
-34dB (15mV)
No signal
MTT-5563
TEAC recording test tapes:
MTT-5513 : For NORMAL
MEASURING POINTS,
ADJUSTMENTS
調整ヶ所
測定ヶ所・調整値
LINE OUT: -8.2±3dB
Check
(210mV-420mV)
LINE OUT: -8.2dB
REC LEVEL
(300mV)
J102 Pin 1 for BAIS
L301
OSC : 85±3kHz
LINE OUT:
Nearly equal level at
NORMAL:
both frequencies
VR152/VR252
両 周 波 数 の 録 再
出 力 が 同 レ ベ ル
(±0.5dB)
L155/L255
30dB min.
LINE OUT: -7.5±1dB
VR151/VR251
(270mV-330mV)
LINE OUT: -7.5±1dB
Check
(270mV-330mV)
Check
NORMAL: 2.0% or less
Check
Check
NORMAL: 46dB min.
- 14 -
TEAC AD-RW900/900E
REMARKS
RESULT
備 考
After adjusting, do
not move
(Specific position)
調整後は動かさな
いこと(規定位置)
Ratio of ref. level to
signal
基準出力レベルに
対する比
Ratio of ref. level to
noise
基準出力レベルと
ノイズの比

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