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V-2RX/V-4RX
LEVEL cont.:
OFF (depressed)
MONITOR sw
(V-2RX only): TAPE
RECORD cont.:
Specified position (item 7)
BIAS FINE cont.
(
;
)
MTT-5072:
For METAL
recorcel test
(V-2RX only): O
(center detent position
MTT-5061:
For Co (CrO,)
record test
5-3
RECORDING PERFORMANCE
output cont.:
MAX
MTT-501:
For NORMAL record test
ADJUST
MEASURING
ITEM
SETTING
INPUT SIGNAL
(or CHECK)
POINT:
RESULT
Li oy
LINE IN:
(V-2RX
TP11/TP21
10.BIAS trap
REC/PLAY - REC/PAUSE
No signal
U104/U204
Min. reading
(V-4RX)
1) Adjust in the order of steps (2) (3) (4).
LINE IN:
C155/C255
OUTPUT:
2) TAPE sw.:
METAL
400 Hz & 6.3 kHz
(V-2RX)
Nearly equal
Tape:
MTT-5072
alternately/-42 dB
| C131/C231
level at both
:
{6.15 mV)
(V-4RX)
frequencies
2
LINE IN:
OUTPUT:
11. Record bias
3) TAPE sw.: Co (CrO,)
400 Hz & 6.3kHz | 243
Nearly equal
.. For L- &
Tape:
MTT-5061
alternately/-42 dB
| © ~ """"
level at both
R-ch
(6.15 mv)
frequencies
LINE IN:
OUTPUT:
4) TAPE sw.:
NORMAL
400 Hz & 6.3 kHz
R12
Nearly equal
.. For L- &
Tape:
MTT-501
alternately/-42 dB
|" """"
level at both
R-ch
(6.15 mV)
frequencies
LINE IN:
TAPE sw.:
METAL.
OUTPUT:
Tape:
| MTT-5072
Noe
R14/R24
-6.5 dB (367 mV) a
fi
LINE IN:
OUTPUT:
12. Record level
TOEE
Ce
400 Hz/-12 dB
Check
-6.5 dB #1.5 dB
ee
(195 mV)
(308 to 436 mv)
2
LINE IN:
OUTPUT:
TAPE sw.: NORMAL
400 Hz/-12 dB
Check
-6.5 dB +1.5 dB
Tape:
MTT-501
(195 mv)
13. Total harmonic
LINE IN:
OUTPUT:
"di torti
Same as 12 above.
400 Hz/-12 dB
Check
1.8% or less with METAL, Co (CrO2)
eee
(195 mV)
2.0% or less with NORMAL
LINE
IN:
TAPE sw.:
METAL
.
i
OUTPUT:
Tape:
MTT-5072
dicta
aol
al
Fig. 5-8
LINE IN:
14. Frequency
TAPE sw.:
Co (CrO,)
s
-
OUTPUT:
response
Tape:
MTT-5061
Se
ew
Check
Fig. 5-9
:
LINE IN:
:
Me owe
belles
Required signal/
Check
ein E18
pens
-42 dB (6.15 mV)
a
If frequency response is out of specification, recheck #11. 'Record bias'.
LINE IN:
400 Hz/-9 dB
TAPE sw.:
METAL
OUTPUT:
Tape:
MTT-5072
(275 ee
Gheck
46 dB min.
no signal
LINE te
eee
'
'
400 Hz/-9 dB
atio of spec-
15. Signal-to-noise
TAPE sw.:
Co (CrO,)
OUTPUT:
gs
ratio
Tape:
MTT-5061
oN
Check
46 dB min.
ieeeu anaes
no signal
.
LINE IN:
400 Hz/-9 dB
TAPE sw.:
NORMAL
OUTPUT:
Tape:
MTT-501
aim
neal
45 dB min.
no signal
(2.
10
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