Drum Rotation Detection; Pg Phase Detection; Drum Pg Delay; Skew Detection - Sony BVH-2000 Operation And Maintenance Manual

Videocorder
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(5-7-5. CD-17 Board)

6. Drum Rotation Detection

TP12 TTL
FG A
TP13 TTL FG B
IC4M-13

7. Drum PG Delay

DRUM PG
DELAY
12A:
PG
IC26-7
TP15
IC5F-9
TP23
258 : PG PULSE
BV H-2000( U/C) IPS/PM
BVH-2180(U/C)/PS/PM

8. PG Phase Detection

0-
ccw
~
~
PG PHASE DET
"L"--------
328:
REF
IC4C-14 :
PG PHASE REO
IC1C-4:
PG PHASE ACK
PB
328:
REF
20A:
PG PULSE
IC2C-9 :
PB

9. Skew Detection

P8
RF
208: PB H
IC5F-1O:
DELAYED
IC4L-6
5-7-1
l
PHASE GATE
DET
l
PHASE DET
SYNC
I
VIDEO
SYNC
SW
PG
r
Z
~
<l
I.L
>-
I
I-
r
VIDEO
SERVO SYSTEM

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