Teac V-909RX - Monitor Performance

V-909RX/V-707RX/V-707R
INPUT
SIGNAL
ADJUST
(or CHECK)
MEASURING
POINT: RESULT
ITEM PREPARATION/SETTING
METER indication:
OdB
. PEAK PROGRAM
LEVEL METER
FWD play mode MTT-150 R13/R23
OUTPUT:
Fig. 5-3
MTT-356
4.
Frequency
FWD
&
REV
Check
response
play
modes
OUTPUT:
;
;
TAPE
SELEC-
When
the
TAPE
SELECTOR
is
changed
TOR:
MTT-356
(10
kHz)
from
METAL
to
NORMAL,
10
kHz
out-
NORMAL put should be approx. 4 dB higher than
measured in the above step.
OUTPUT: 46 dB min. Ratio of
FWD & REV play modes Fully-erased MTT-
5. Signal-to-noise : The difference spec. output
ratio ee eo es pulk heck between channels is of —5 dB to
P within 4 dB. noise. i
5-2 MONITOR PERFORMANCE
V-707RX settings: V-909RX/V-707R settings:
Record-pause mode Record-pause mode
NR system sw: OUT NR system sw: OUT
OUTPUT cont.: Specified position (item 2) MPX Fil sw: OFF
OUTPUT cont.: Specified position(item 2)
INPUT
SIGNAL
ADJUST MEASURING
(or CHECK) POINT: RESULT
ITEM PREPARATION/SETTING REMARKS
MIC:
400 Hz/—67 dB ae
(346 nV) OUTPUT: eve
6. Min, input level RECORD cont.: Max. Check —5 dB 8 dB
LINE IN: (308 mV to 615 mV)
“LINE min. input
400 Hz/—19 dB
(86.9 mV) leva
Specified setting
ee ay (a wap) «| of RECORD cont.
RECORD cont. ‘ for V-707RX
Dolby TP.3/TP.4: for V-909RX/
LINE IN: 388 mV (—6 dB) V-707R
ig peers 400 Hz/~—9 dB —4
7. aoe ia (436 mV) RECORD Level control position difference between
inpuTleve channels should be % scale or less.
OUTPUT: Aa
Check —5 dB +1 dB
(388 mV to 489 mV)
: IMPORTANT: Do not change the setting of the RECORD control after
establishing the setting as above. ;
LINE IN: sndint
8. PEAK PROGRAM 2 METER indication:
LEVEL METER enue Chee 0 dB 41 dB
LINE IN: PHONES: | The level difference
9. PHONES output | Connection: Fig. 5-2 400 Hz/—9 dB Check —18 dB +3 dB between channels
fevel (436 mV) (69.0 mV to 138 mV)| is within 2 dB.
AC Voltmeter
DECK under TEST
PHONES
Fig. 5-2 Test setup for PHONES check
14 : (PHONES? x77)