Advertisement
4-2-4 Recording performance
Deck settings :
Mode : REC/PLAY
DOLBY NR Switch : OFF
REC LEVEL Control : Specified position (Item 8)
ITEM
SETTING
8. Specified
LINE input
Connection:Fig. 2-3
level
Mode: REC
9. Bias osc
Connection:Fig. 2-2
frequency
TAPE: MTT-5513
Mode: REC
10. Step up coil
Connection:Fig. 2-2
TAPE: MTT-5572
Mode: REC
11. Record bias
Connection:Fig. 2-3
TAPE: MTT-5513
12. MPX filter
Connection:Fig. 2-3
MPX
Mode: REC
Connection:Fig. 2-3
13. Record
TAPE: MTT-5513
level
TAPE: MTT-5563
14. Total
Connection:Fig. 2-3
harmonic
TAPE: MTT-5513
distortion
15. Overall
Connection:Fig. 2-3
frequency
TAPE: MTT-5513
response
Connection:Fig. 2-3
16. Overall S/N
TAPE: MTT-5513
ratio
INPUT SIGNAL
LINE IN:
400Hz/-9dB
LINE IN:
No signal
LINE IN:
No signal
LINE IN:
250Hz/10kHz
-42dB
LINE IN:
19kHz/-12dB
LINE IN:
400Hz/-12dB
MTT-5572
LINE IN:
MTT-5563
400Hz/-12dB
MTT-5572
LINE IN:
40Hz -12.5kHz
MTT-5563
-42dB
MTT-5572
LINE IN:
No signal
MTT-5563
MTT-5572
MEASURING
ADJUSTMENTS
POINTS, RESULT
LINE OUT:
REC LEVEL
-4.5dB
P303 Pin 2:
L301
100kHz
TP3/TP4:
Min. DC voltage
L103/L203
LINE OUT:
Nearly equal level
at both frequencies
R14/R24
L101/L201
30dB min.
LINE OUT:
R13/R23
-7.5dB
LINE OUT:
Check
-7.5 1dB
NORMAL
Check
C
O
r
2
METAL :3.0% or less
Check
40
NORMAL
Check
C
O
r
2
METAL :46dB min.
8
TEAC recording test tapes :
MTT-5513 : For NORMAL
MTT-5563 : For C
O
r
MTT-5572 : For METAL
REMARKS
After adjusting,
do not move
(Specific position)
Ratio of ref.
level to signal
:2.0% or less
:2.5% or less
+6dB
-6dB
12.5k (Hz)
250
Ratio of ref.
:45dB min.
level to noise
:46dB min.
2
Hide quick links:
Advertisement
