Sony BVH-2000, Operation And Maintenance Manual

Page: 461 / 505

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12-13. CONFI LEVEL ADJ STMENT
(For BVH-2000/2180 ModeI/BVH-2500)
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Connection: See section 8-4 connection 5.
Distortion Analyzer
Mode of VTR~ See respective steps.
Setting of Switches & Controls;
AUDIO MONI Sel: AUD-I ~AUD-l, 2, 3
AUDIO-l/2/3 REC Cont: push
AUDIO-l/2/3 PB Cont: push
REC INHIBIT Sw: ON -. OFF
TAPE/EE Se1: INPUT -. TAPE
A-3 Sw LINE
\.L .... '-JJLJ .... -...J
LINE
1 kHz/+8 dBm
1.
Perform the same procedures in section 12-12 steps 1 and 2.
Step 2.
With machine still in playback of alignment tape, set AUDIO
MONITOR selector to AUDIO-l and adjust as follows.
MONITOR OUTPUT
=
+8 dBm
Control
Step 3.
Set REC INHIBIT
switch to OFF and TAPE/EE selector to
TAPE. Using ordinary tape, make a recording of +8 dBm at
1 kHz and check and/or adjust as follows.
AUDIO MONITOR OUTPUT
=
+8
±
0.1 dBm
AUDIO-I: RVI06/AU-27
AUDIO-2:
AUDIO-3:
12-14. RECORD AMPLIFIER FREQUENCY
RESPONSE USTME
Connection: See section 8-4 connection 5.
Equipment; Distortion
A n:::lIV7pr
Mode of VTR~ See respective steps.
Setting of Switches
& Controls;
AUDIO-l/2/3 REC Cont: push
AUDIO-l/2/3 PB Cont: push
REC INHIBIT Sw: ON
-e-
OFF
TAPE/EE Sel: INPUT
A-3 SEL Sw (Sl/AE-03): LINE
Signal (AUDIO LINE IN)~
1 kHz/+8 dBm 1 kHz/-2 dBm
10 kHz/-2 dBm
Step 1.
Perform the same procedures
in section 12-12 steps 1 and 2.
Step 2.
Set REC INHIBIT switch to OFF. Using ordinary tape, make a
short recording of -2 dBm at
1
kHz and 10 kHz. Play back the
recording and check the level of 10kHz with reference to 1 kHz
as follows.
AUDIO-l/2/3 OUTPUT: 10 kHz
=
0
±
0.5 dB
reterence to I kHz)
If not, turn the following pots a little and repeat from the
beginning
of step 2.
AUDIO-I: ~ RVI08/AU-27
AUDIO-2:
0
RV208/AU-27
AUDIO-3: RV28/AE-03
12-1
BVH-2000(U/C}/PS/PM, BVH-2180(U/C}/PS/PM
BVH-2500(U/C}/P