Recording Performance - Tascam 202MKV Service Manual

Double auto reverse cassette deck
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2-4 Recording performance 録音系
Deck settings:
Mode:
REC/PLAY
DOLBY NR Switch:
OFF
REC LEVEL Control:
Specified position (Item 8)
SETTING
ITEM
項 目
8. Specified
LINE input
Connection:Fig. 2-3
level
Mode: REC
ライン規定
入力レベル
9. Bias osc
Connection:Fig. 2-2
frequency
TAPE: MTT-5513
バイアス発振
Mode: REC
周波数
Connection:Fig. 2-2
10. Step up coil
TAPE: MTT-5572
ステップ
Mode: REC
アップコイル
Connection:Fig. 2-3
11. Record bias
TAPE: MTT-5513
録音バイアス
12. MPX filter
Connection:Fig. 2-3
MPX
Mode: REC
フィルター
Connection:Fig. 2-3
13. Record
TAPE: MTT-5513
level
録音レベル
TAPE: MTT-5563
14. Total har-
Connection:Fig. 2-3
monic
TAPE: MTT-5513
distortion
総合歪率
15. Overall
Connection:Fig. 2-3
frequency
TAPE: MTT-5513
response
録再周波数
特性
16. Overall S/N
Connection:Fig. 2-3
TAPE: MTT-5513
ratio
総合S/N比
INPUT SIGNAL
設 定
入力信号
LINE IN:
400Hz/−9dB
LINE IN:
No signal
無信号
LINE IN:
No signal
無信号
LINE IN:
250Hz/10kHz
−42dB
LINE IN:
19kHz/−12dB
LINE IN:
400Hz/−12dB
LINE IN:
400Hz/−12dB
MTT-5563
LINE IN:
40Hz–12.5kHz
MTT-5563
−42dB
LINE IN:
No signal
MTT-5563
無信号
TEAC recording test tapes:
MTT-5513:
For NORMAL
MTT-5563:
For CrO2
MTT-5572:
For META
MEASURING
ADJUSTMENTS
POINTS, RESULT
調整個所
測定個所・調整値
LINE OUT:
REC LEVEL
−4.5dB
P303 Pin 2:
L301
100kHz
P310 Pin 1:
L401
100kHz
TP3/TP4:
Min. DC voltage
L103/L203
DC
W39/W40:
L503/L603
Min. DC voltage
DC
LINE OUT:
R14/R24
Nearly equal level
at both frequencies
両周波数の録再出力が
R52/R62
同レベル(±0.5dB)
L101/L201
30dB min.
R13/R23
LINE OUT:
−7.5dB
R51/R61
LINE OUT:
Check
−7.5±1dB
NORMAL: 2.0% or less
Check
CrO
2
Check
NORMAL : 45dB min.
Check
CrO
2
−7−
TASCAM 202MKV
REMARKS
備 考
After adjusting, do
not move
(Specific position)
調整後は動かさない
こと(規定位置)
2 2
REC/PLAY
1 1
REC/PLAY
2 2
REC/PLAY
電圧最小
1 1
REC/PLAY
電圧最小
2 2
REC/PLAY
1 1
REC/PLAY
Ratio of ref.
level to signal
基準出力レベルに
対する比
2 2
REC/PLAY
1 1
REC/PLAY
: 2.5% or less
Ratio of ref.
level to noise
: 46dB min.
基準出力レベルと
ノイズの比

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