Teac V-2RX - Electrical Checks and Adjustments (Cont.); Monitor Performance Checks

Deck settings:
eee
LEVEL cont:
MONITOR sw
5-2
MONITOR
PERFORMANCE
OUTPUT
cont.:
V-2RX/V~4RX
REC/PAUSE mode (V-4RX only)
OFF (depressed)
{V-2RX only): SOURCE
NR SYSTEM sw: OUT
MAX
ITEM SETTING
INPUT SIGNAL
ADJUST
(or CHECK)
MEASURING
POINT:
RESULT
REMARKS
MICROPHONE:
400 Hz/-67 dB
(346 pV)
OUTPUT:
~3.5 dB +3 dB
(367 mV ~ 731 mV)
MICROPHONE
min. input
level
6.
Min,
input
level
RECORD
cont.:
Max.
LINE IN:
400 Hz/-19 dB
(86.9 mv)
OUTPUT:
~3.5 dB +3 dB
LINE min.
input level
LINE IN:
400 Hz/-9 dB
(275 mV)
7. Specified LINE
Specified setting
of RECORD
cont.
RECORD
cont. (L/R)
OUTPUT:
~-3.5 dB (518 mV)
Connection:
Fig.
5-7
400
Hz/-9
dB
revel
(275
mv)
DECK
under TEST
OUTPUT
AC
Voltmeter
Fig. 5-2 Test setup for azimuth check
REC - PLAY head
Fig. 5-3 Azimuth screw location (V-2RX)
REC/PLAY head
azimuth
adjusting
screw
fixed
Fig.
5-4
Azimuth
screw
location
(V-4RX)
input level
IMPORTANT:
Do
not
change
the
setting
of
the
RECORD
contro!
after
establishing
the setting as above.
8.
PEAK
PRO-
LINE
IN:
PEAK
PROGRAM
GRAM
LEVEL
400
Hz/-9
dB
LEVEL
METER:
METER
(275
mV)
O
dB
+1
dB
9.
PHONES
output
LINE
IN:
PHONES:
~-15 dB +3 dB
(97.5 mV ~ 195 mV)
0°
(IN
PHASE)
45°
90°
180°
Fig. 5-5 Confirming phase relationship
TAPE sw: METAL
Tape: MTT-356
V-4RXy 43
| +2
a
a,
1
315
(dB)
—3
4
63k 10k (Hz)
Fig.
5-6
Playback
frequency
response
> AC Voltmeter
DECK under TEST
PHONES
Fig.
5-7
Test
setup
for
PHONES
check