Sony BVU-950 - Page 84

BVU-950/920 Answer Key
Page 3.
13).
14).
15).
16).
17).
18).
How would you quickly check the operation of the keyboard?
Short TP-6 of the SY-102 board to ground with power off then turn
power on. (Hardware check mode).
How does the AV microcomputer of the BC-11 board improve editing
features of the BVU-950?
By controlling the timing of the audio heads to compensate for the
9.6mm space between the audio erase and Record/Playback heads.
How could you check communication between the micro-computers?
By checking TP-5 of the SY-102 board and 1/2 Vd timing against the
timing chart on Page 3-3 in the Training Kit.
What do we use to detect the operation of the reel servos?
S tension detector, T tension detector, Supply and Take-up reel F.
G.'s.
lf you were to divide the operation of the reel servo into modes, what
would they be and what parameters would you control for each
mode? :
Pinch on - control tape tension, Pinch off - control tape tension and
speed.
What is the first operation performed by the reel servo and why is
this done?
0 adjust to cancel errors from the tension detectors.