Teac V-870 - Recording Performance; Bias Oscillation Frequency; Record EQ Adjustment; Record Bias Adjustment

tte,
Center position,
> . Center position.
Max
INPUT SIGNAL
AMES
PR
PRE
ADJUST
{or CHECK)
Btls
LINE IN ( LAR) :
400 Hz and 10 kHz
alternately /
ABS /
-42 dB ( 6,15 WV }
LINE IN € LAR} :
10 KHz / -42 dB
{ 6.15 mv }
5-5. RECORDING PERFORMANCE
TR ES FR
Deck settings
MASTER REC LEVEL cont. :
AUTO MONITOR sw. oo: TAPE
NR SYSTEM sw. : OUT
HPX FILTER sw. OUT
BIAS (1/8 } cont. :
LEVEL € L/ R } cont,
ITEM SETTING
SRB Rm
11. Bias ose Connection Fig. 4 -8
frequency Tape MTT-5571
KRIPA Hode REC/ PAUSE
FARE
12, Record E@ nee
BS 0
tae _y | Connection Fig, 5-1
"8. peg Tl Tape: MIT-5971
ty b BIAS cont. Center
LEVEL cont. < Center
14. Record azimuth
BEVLVVA ”
( ¥-970X )
Connection Fig, 5-1
15, Recored bias -2 | TAPE : MIT~S5511.
- WE PA«vyb | BIAS cont. Center
LEVEL cont, : Center
“Connection Fig. 5-1
16. Record level TAPE MIT-S511.
BBVA Connection : Fig. 5-1
TAPE HTT-5571
Connection Fig, 5-1
5 : TAPE MTT-5871
17, Total harmonic
distortion TAPE HTT-5561
hr.
REX Connection ; Fig. 5~1
TAPE HTT-5511
18. Overati Connect ion Fig. 5-1
frequency TAPE MTT~5871
response TAPE MTT-5561
SF Fa a CE TAPE MIT-5511
LINE IN ( L/R) >
400 Hz and 10 kHz
alternately /
Ras /
42 dB ( 6.15 mV )
LINE IN € LAR):
400 Hz / -12 dB
( 195 aV )
LINE IN (¢ LAR ) :
400 Hz / -12 4B
( 195 oV )
) Azimuth screw of
Ut23
R14 / R24
R17 / R27
REC head
BENY KOPY
VARRAY
( Fig. 5-4}
Check
( R17 / R27 )
R15 / R25
R16 / RIG
Check
LINE IN { L/R) :
40 Hz ~ 12.9 KHZ /
-42 dB ( 6.15 nV }
Check
TEAC recording test tapes
MTT-5571 For METAL
MiT-5561 For crd2
HTT~5511 For NORHAL
MEASURING POINT
' REMARKS
RESULT ii #
MEUM - SRE
100 kHz 2k kHz
Set to center position
CYA-MEK ITS
OUTPUT ( L/R )
Equa! output leve! ( record and
playback } between 400HZ and 10 kHz.
400 Hz & 10. KHZ OWBBWAMSELCS
Ace
OUTPUT ( i/R}
Phase between L-ch/R-ch :
o
L- R MOWBEM O° TC
. BOB Fr evABAA
OUTPUT ( L/R }
fqual output level { record and
playback ) between 400Hz and 10 kHz.
400 HZ & 10 KAZ ORBWAMELKS
act
Refer to
Fig. 5-5
OUTPUT { L/R)
Output level ( record and playback }
BBwA
-8 dB ( 300 mY }
OUTPUT ( LAR) oo: .
2.0% or less
2.0% KE
OUTPUT ( L/R) :
2,5 % or less
2.5% XE
OUTPUT ( L/R }
Standard Fig.5-9
13