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vA
|
REC-PAUSE mode
MONITOR sw.:
SOURCE
NR SYSTEM sw.:
OUT
INPUT sw.:
LINE
5-2 MONITOR PERFORMANCE
OUTPUT cont.:
Specified position (item 3)
10
SETTING
INPUT SIGNAL
MIC:
400 Hz/—67 dB
.
{346 pV)
RECORD
cont.:
Max
INPUT
sw.:
MIC
8. Min. input level
INPUT sw.:
LINE
LINE
IN:
400 Hz/—19 dB
{86.9 mv)
LINE IN:
9, LINE specified input
level
400 Hz/—93 dB
(275 mV)
LINE IN:
400 Hz/-—S dB
(275 mV)
ADJUST
(or CHECK)
RECORD
cont.
{L./R)
Check
MEASURING
POINT:
RESULT
OUTPUT:
—5 dB 33 dB
{308 mV to 615 mV)
MIC min. input
OUTPUT:
~—5 dB +3 dB
;
(308 mV to 615 mV}
input level
:
Specified sat-
OUTPUT:
ting of RE-
DOLBY TP (TP1/TP2}:
—2.5dB
+0.5dB
(548 mV to 615 mV}
IMPORTANT:
Do not changes the setting of the RECORD
or OUTPUT
controls,
after establishing their setting as above.
10. PEAK LEVEL
meter
11. "TEST IN"
INPUT sw.:
TEST
LINE
IN:
400 Hz/--9 dB
{275 mV}
LINE
IN:
400 Hz/~—29 dB
(27.5 mV)
Deck settings:
MONITOR sw.:
TAPE
NR SYSTEM sw.:
OUT
INPUT sw.:
LINE
SPEED sw.:
STANDARD
ADJUST/PRE-SET sw.: PRE-SET
OUTPUT cont.:
5-3 RECORDING
PERFORMANCE
RECORD cont. (L/R):
SETTING
12, BIAS trap
Record-pause mode
BIAS, EQ:
METAL
Tape:
METAL
13. Record bias
BIAS, EQ: Co(CrO,)
Tape:
MTT-5061
BiAc
CA.
NABMAL
Tape:
MTT-501
INPUT SIGNAL
LINE IN:
No signal
LINE IN:
400Hz & 10 kHz
alternately /—42 dB
(6.15 mV}
LINE
IN:
400 Hz & 10 kHz
alternately /~42 dB
(6.15 mV)
LINE IN:
AGO
hie
&
40
bhit=
alternately/~42 dB
(6.15 mV}
Specified position (item 3)
Specified position {item 9)
ADJUST
(or CHECK)
L104/L204
R15/R25
R14/R24
RI3/R2Z3
PEAK
LEVEL meter:
0 dB +1 dB
PEAK
LEVEL meter:
0 dB +2 dB
TEAC test tapes:
MTT-5061: For record test with Co(Cr0 5)
MTT-501:
For record test with NORMAL
METAL:
For record test with METAL
MEASURING
POINT:
RESULT
BIAS TRAP TP
(TP3/TP4):
Min. reading
OUTPUT:
Nearly equal level
at both frequencies
OUTPUT:
Nearly equal level
at both frequencies
OUTPUT:
Nearly equal level
at both frequencies
MEASURING
POINT:
ADJUST
RESULT
LINE
(N:
400 Hz/--12 dB
{195 mv)
OUTPUT:
~8 dB (308 mv}
BIAS, EQ:
METAL
Tape: METAL
R16/R26
14,
Record level
SPEED: STANDARD and
|
HIGH
LINE IN
OUTPUT:
:
Required signal /
:
;
Tape:
METAL
'
LINE IN:
IAS,
EQ:
'
:
:
Frequency
sete rico
|
Required signal /
ae
R18/R28
—42 dB (6.15 mV}
response
LINE
IN:
Required signal /
—42 dB (6.15
mV}
BIAS, EQ:
NORMAL
Tape:
MTT-501
OUTPUT:
Fig. 5-11
LINE tN:
400 Hz/—12 dB
{195 mV)
OUTPUT:
2% or less distortion
16. Total harmonic
distortion
Same as above, but with
STANDARD
tape only
LINE iN:
SPEED:
STANDARD and
"
a e
4
49 dB min. (HI)
Tape:
METAL
:
no signal
LINE
IN:
17. Signal-to-noise
1 kHz/—9 dB
OUTPUT:
Ratio
of
-
.
BIAS, EQ:
Co(Cro;)}
;
Ratio of spec
ratio
Tape: roe
sf 2
{275 mV)
48 dB min, (STD)
ified output of
LINE IN;
+5 dB to noise
1 kHz/—9 dB
OUTPUT:
BIAS, EQ:
NORMAL
Tape: a
ees ss
(275 mv)
45 dB min. (STD)
t
46 dB min. {H})
no signal
* Connection is same as in Fig. 5-1, but engage 1-kHz filter.
18. Erase efficiency
LINE IN:
BIAS, EQ: METAL
oan
OUTPUT:
Ref. output
Tape:
METAL
;
:
:
evel:
p
ih
65 dB min. ratio
+5 dB (1.38V)
no signal
@ Connection:
Fig. 5-1, but engage 1-kHz fiiter,
@ Record a 1-kHz signal. Push REC MUTE button for several seconds.
Rewind
and play the tape. Find the difference between the 1-kHz portion and
the
"no-signal'' portion.
19. REC MUTE
function
LINE IN:
BIAS, EQ: Co(CrO3)
oc
OUTPUT:
Ref. output
Tape:
MTT-S06!
il
65 dB min. ratio
+5 dB (1.38 V)
no signal
@ Connection:
Fig. 5-1, but do not connect LINE
filter.
IN (R), and engage 1-kHz
20. Channel separation
LINE
IN:
Lh
1 kHz/-9 dB
(275 mV).
R-ch
No signal
BIAS; EQ:
Co(CrO3)
Tape:
MTT-5061
OUTPUT:
35 dB min. ratio
11
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