Sony BVW-55 Maintenance Manual page 351

3. S tension regulator gain check
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Before performing this check and adjustment, be
sure to check that the S tension regulator offset
adjustment meets the Specification 1.
(1) While keeping the previous step, push the S
tension regulator arm in the arrow direction
with finger until the left side of the square
hole of the arm contacts with the parallel pin.
(2) While keeping the state of step (1), check the
output level at TP700 meets the specification
2.
Specification 2: _1.00 ± 0.04 V
If not to meet the specification, perform step 4.
4. S tension regulator gain adjustment
(1) While keeping the previous step, adjust RV2
(gain VR) on the SR-65 board to meet the
specification 2.
(2) Perform the S tension regulator gain check
again according to above mentioned step 3. If
not to meet the specification, perform
adjustment again.
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After checks and adjustments are completed, be
sure to set switches S100-1 and S100-2 on the
SV-206 board to OFF.
BVW-55 P2
5-2. S Tension Regulator Offset/Gain Adjustment
Parallel pin
Square hole
RV2(gain VR)
Spec. 2 : _1.00 ±0.04 V
5-9