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y-7000/V-5000
5-3 PLAYBACK
PERFORMANCE
FE
%
Deck settings
TEAC test tapes
Mode
: PLAY
MTT- 150 : for Dolby level calibration
AUTO
MONITOR
SW:
TAPE
MTT- 25702 : for playback frequency response check for NORMAL
DOLBY NR SW
: OUT
MTT- 35702 : for playback frequency response check for METAL and CrO2
MPX FILTER SW
: OUT
MTT-5511 : For S/N check for 120 7 sec (NORMAL)
MTT-5571 : For S/N check for 70 ~ sec (METAL)
MTT- 15000 : For S/N check for DOLBY NR B,C
INPUT SIGNAL
aoe
MEASURING POINT.
REMARKS
ae
(or
CHECK)
RESULT
ae
Heke sig
WSEAS
;
Azimuth
screws
MTT- 25702
of RP
head
OUTPUT
(L/R)
or
s
»
k o ?
s|
Maximum output at L &
MTT-35702
. ater "1
R-ch's,
(10kHz)
Fig.
5-4
L-R&ch#
BAWD
. Playback
4
DOLBY
;
.
;
:
:
i
a e
x
MAIN
PCB
U102
; pinl3/pinl8
:
3
eae pil
Connection
:
:
MTT-
150
R1L/R21
—6dB
(388mV)
LAID yb
OUTPUT
(L/R)
:
. Playback
_
aes
Connection : Fig.
MTT- 150
* eABaV -6X0mV)
mb
Phase : with 45°
Sith : 45° DAA
Connection
:
; ie bad
reguetey
MTT- 25702
OUTPUT
(L//R)
response
Same as above
[ff
_
Check
eee
MTT-35702
Standerd HK
MTT-5511
MTT-5571
OUTPUT
(LYR)
:
Same as above
[fi
Playback: the
Check
S/N
46dB min.
(120u)
leader tape.
474B min.
( 70u)
portion.
.
Y—-¥—F—- TRE
RE
. Playback
OUTPUT (L/R)
SIN ratio
Amount
of variation in S/N with
FB S/N Et
respect to the S/N value when the
MTT — 15000 signal is playd back
wit
DOLBY
NR
OFF.
Same as above
[ali
2
MTT — 15000 % DOLBY NR OFF
DOLBY NR: OFF»B>c
| MTT- 15000
neee
LIED S/ NBIC 3 S/N SEALE
;
DOLBY
NR B : 8.5dB or mote
DOLBY
NR C : 17dB or mor
-2dB (615 mV)
is reference lewL
AME LN VIE — 2dB ( 615 mV)
* Fig. 5-3 ~ Fig. 5-9 ; See page 13.
10
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