Sony BVU-950 - Page 70

10-6-3. Strain Gage/Loop Gain Adjustment
machine conditions
for adjustment
spec.
adjustment
¢ §201/DT-21(B-1): No. 1,3,4 ON
Play back the alignment tape
RR2-1SD.
*SEARCH STILL mode
“EXT TBC SW: ON
Step 1.
TP18/DM-54B(S-6)
TP209/DT-21(A-5)
TP18
t ' |
TP209 CHA CHB
A(entrance level)=B(exit level)
TRIG: TP 4/0M-548(R-5)
CH-A: @ RV303/DT-21(G-5)
CH-B: @RV304/DT-21(E-5)
Step 2.
CH-A: TP301/DT-21(H-5)
CH-B: TP302/DT-21(H-5)
This portion
The
peak shouid
be
left
»
should
be
flat.
side of switching
position. NG
TP18/DM-54B(S-6) .
ee
switching position
mCheck that it meets the specification of Step 1.
TRIG: TP4/0M-54B(R-5)
CH-A: @ RV301/DT-21(H-5)
CH-B: @ RV302/DT-21(G-5)
“EXT TBC SW: OFF
°Repeat the FWDX3 mode and
REVX1 mode.
Minimize the fluctuate difference of ‘‘B’’
Step 3. Step 3. CH-A: @RV303/DT-21(G-5)
e SEARCH mode TP18/DM-54B(S-6) CH-B: @ RV304/DT-21(E-5)
FWD X 3mode — adjustment
REV X 1 mode — check
A(entrance level)=8(exit level)
The RF envelope should be fiat
Step 4. Step 4.
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