Panasonic AG-MD830E - Reel Drive Block Diagram

REEL DRIVE BLOCK DIAGRAM
P2901
P2702
Ill...
S-REEL YM
,. [
1
1
,.
DC-DC
Ill...
P2901
P2702
T-REEL YM
3 3
,.
S REEL RSF
T REEL RSF
S
REEL FT
TREELFT
VREF
TQV
~~~~~~"----------------1-~~-t-+-+----~~--t-t----O+5V
f-='-f-----_----~rrY"'---_v_o 12V
CHANGE
S-REELFB
T-REEL FB
S REEL FO
TREEL FO
SF PHOTO
+5V
TO
~
SOLENOID
SF PHOTO
~
~
SR PHOTO
IC2706 (1/2)
8 ,..
.~
...
P2501 P2701
,. [
"11
11 11
SERVO
...
P2501
P2701
"11 8
8
SF PHOTO
SR PHOTO
IC2705 (AMP)
r
~----t-:i8
10
IC2703 (AMP)
6 (112)
SUPPLY FWD SENSOR
r------,
I
!D~ !
I tG\ :
I ~'" ~:
L ______ .J
r-------,
I
5V
! 0 -() 1
I tG\ I
: ~'" m:
L ______ .J
SUPPLY REV SENSOR
- ----- -----
14
13
QR2701
r::-.!.2...,
I.--'VVIr-~:£.:Jkl r _ h 5
IC2704 (1/2)
24
+5V
+5V
24 20
23 19 15
r-1 RIPPLE Il TORQUE
L CANCELLER CONTROL
~~~ ~~~ k1
I DIFFERENTIAL AMP DIFFERENTIAL AMP I-< ~ r-
• • .=-- -......r
POSITION SIONAL I
TORQUE DIRECTIONJ
CONTROL
I
IC2701 f3
+5V
I
IC2702
(T REEL DRIVE)
20 23
PRDCESS
5 8 7 8 9 10
+5V
19 14
+
12
16
l
TORQUE I
CONTROL
~~~ ~~ ~ k1 r:~L
I DIFFERENTIAL AMP DIFFERENTIAL AMP 1--<" ~ r-H~~---+------'
15
• • .=-- 'T
.1 I ~ U TORQUE DIRECTION I
POSITION SIONAL L CONTROL
PROCESS
L- ______________ --J-*
I
13 2
5 6 7 8 9 10
12 '- _____ -+-1.:..1 -,
,
,IP
11
VFO+
VFG-
IC2705 (AMP)
/. FO-
2..-/ +1-:
5
,....."""-----"--
L- ____________ ~~--~
~ _ FO+
(1/2) """ f-
4
,.--'w,----
I
Q2701 (REO)
+5V
I
1-
,
I
I
.I..
Ml
M2
M3
VFO+
VFO-
IC2705 (AMP)
1/+7
FO-
(1~6
FO+
I