Monitor Performance - Teac V-66C Service Manual

V-66C
5-2 MONITOR PERFORMANCE
Deck setting:
REC-PAUSE mode
DOLBY NR IN/OUT sw.: OUT
INPUT sw.: LINE
ITEM SETTING
INPUT SIGNAL
ADJUST
(or CHECK)
MEASURING
POINT: RESULT
REMARKS
6. Min. input level
RECORD
cont.: Max.
INPUT sw.:
MIC
INPUT sw.:
LINE
MIC:
400 Hz/-67 dB
(346 mV)
LINE IN:
400 Hz/-19dB
(86.9 mV)
Check
Check
OUTPUT:
-3.5 dB ±3 dB
(367 to 731 mV)
OUTPUT:
-3.5 dB ±3 dB
(367 to 731 mV)
MIC min. input
level
LINE min.
input level
7. Specified LINE
input level
LINE IN:
400 Hz/-9 dB
(275 mV)
RECORD cont.
(L/R)
TP1/TP2
387.5 mV (-6 dB)
Specified setting
of RECORD
cont.
LINE IN:
400 Hz/—9 dB
(275 mV)
Check
OUTPUT:
-3.5 dB ±1 dB
(461 to 581 mV)
IMPORTANT: Do not change the setting of the RECORD controls after establishing their setting as above.
8. Headphone
output level
Connection: Fig. 5-7
LINE IN:
400 Hz/-9 dB
(275 mV)
Check
PHONES:
-17 dB ±3 dB
(77.5 to 155 mV)
8 ohm load
9. PEAK LEVEL
DISPLAY
LINE IN:
400 Hz/-9 dB
(275 mV)
Check
PEAK LEVEL
DISPLAY
0 dB ±1 dB
AC Voltmeter
Fig. 5-7 Test setup for headphone check
MTT-5072 (METAL)
i_i_i-1-1-1-1-1
40 63 125 400 4k 6,3k 10k 14k (Hz)
Fig. 5-8 Overall frequency response
10