Sony BVU-950 - Page 66

[Equipment Required]
«Dual Trace Oscilloscope.
*OC Voltmeter.
* Alignment Tape: RR2-1SD (Parts No. 8-960-037-02) —SP tape —
- Alignment Tape: RR5-1SD (Parts No. 8-960-037-80)—SP tape—
SECTION 10
SERVO SYSTEM ALIGNMENT
TIME VIDEO AUDIO NR TIME CODE
5
|
color
bars
—
3 | Gated sweep (B/W) lkHz, OdB —_—
3
Gated
sweep
(color)
10kHz,
—10dB
a
lkHz,
~20d
—
sore = OFF —_—
Pulse & bar (color)
3 | (MOD 12.57 and inverted 27) |2KH® —20dB —
10kHz, —20dB —_—
15kHz, —20dB —
2 Pulse & bar (B/W) lkHz, —20d8 ON _—
(MOD 12.5T and inverted 2T) 15kHz, —20d8 —
2
Monoscope
(color)
——
——
2 Pseudo color bars —— OFF TIME CODE
¢ When initiating Servo System Alignment for SV-Board and OT-Board, RV202 of the DT-21 Board
should be adjusted by section 88-7, Switching Position Adjustment (1).
When replacing DT-21 Board, this adjustment has to be done
«for the reel servo adjustment, refer to Section 6 Link and Drive System Alignment and Section
7 Torque System Alignment
RV502/SV-113 (R-7)
6-3-2 Supply Tension Detector Operating Point Adjustment
RV503/SV-113 (S-7) 643 Takeup Tension Detector Operating Point Adjustment
RV1/OR-53 7-41. S Reel Motor Current Sensitive Adjustment
RV2/DR-53 7-42. T Reel Motor Current Sensitive Adjustment
¢For the switching position adjustment refer to Section 8 Tape Run Alignment
RV202/DT-21(A-6) 887. Switching Position Adjustment (1)
¢ Extend the SV-113 Board with the EX-128 Board
¢ Extend the OT-21 Board with the EX-127 Board
°REF VIDEO IN connector: Color-bar
«When performing 10-6. DT Servo Adjustment, Set the adjust RVs described below.
RV101/DT-21(E-2)
RV102/DT-21(E-2)
RV301/OT-21(H-5) |
RV302/DT-21(G-5)
RV303/DT-21(G-5)
RV304/0T-21(E-5)
RV305/DT-21(G1)
RV306/DT-21(G-4) |
wccccccncces Clockwise
p eeecccecoees Center clicked position
RV401
/DT-21(F-3)--r-esseeereee
Counterclockwise
7-5