Panasonic DMR-EH80VEG Service Manual page 125

23.3. SYSTEM CONTROL, SERVO & TIMER BLOCK DIAGRAM
HALL
LOADING
MOTOR
M
CYLINDER
MOTOR
COILS
CONTROL
HEAD
MODE
SW
S1532
IC0201
(CAPSTAN MOTOR DRIVE)
CAPSTAN
MOTOR
COILS
A1
15
A2 MOTOR DIFFERENTIAL
16
DRIVE AMPLIFIRE
A3
17
22 H3-
HALL 23 H3+
24 H1-
POSITION
DEF
SIGNAL
AMP
PROCESS
HALL 25 H1+
26 H2-
27 H2+
VH+
HALL
21
POWER
IC2501
(LOADING MOTOR & CYLINDER MOTOR DRIVE)
+
P1531 OUT 1
2 AMP
1
-
P1531 OUT 2
4 AMP
2
M1
22
M2
23
M3
25
MOTOR
PRE-DRIVE
DRIVE
COM
20
PG
COIL
PG+
15
DIFFERENTIAL FG/PG
PG- AMPLIFIRE COMPOSER
16
PG OUT
17
P4002
5
P4002
6
1 SW1
2 SW2
3 SW3
4 SW4
5
+5V
Q1501 D1501 Q1502 S1531
TAKE-UP SENSOR SUPPLY SAFETY
LED TAB SW
PHOTO PHOTO
SENSOR SENSOR
125
VM P0201
19
TORQUE TL TL P0201
9
CONTROL AMP
EC P0201
EC
10
AMP
TORQUE
ED/S P0201
DIRECTION 11
SELECT
CAPSTAN
P0201
FG
HEAD
F IN
5
CONTROL
PRE-DRIVE
LOGIC
R IN
6
+ + +
MOTOR
DRIVE DIFFERENTIAL
SELECTOR
SIGNAL AMPLIFIRE
GENERATOR
-
VCC 19 +5V
DIFFERENTIAL
14
AMPLIFIRE
18
+5V
IC1511 IC1512
(T-REEL SENSOR) (S-REEL SENSOR)
2 1 2 1
4 3 4 3
DMR-EH80VEG / DMR-EH80VEB
IC6001
(SYSTEM CONTROL/SERVO/TIM
X SW
+15.5V
P2571
2
TL2502
CAP TL
P2571
11 CURRENT LIMIT H
5
P2571
76 CAP ET
6
P2571
74 CAP R/F
7
TL2015
CAP FG
86 FG. AMP. OUT
P2571
87 FG. AMP. IN
3
84 LOADING H
83 UNLOADING H
91 O PEF
N
96 CTL AMP REF
77 CYL ET
90 PFG
94 CTL HEAD(-)
95 CTL HEAD(+)
TW2002
PB CTL
82 EX.FF/REW L
97 PB CTL OUT
SW1 33 POSITION SW1
SW2 32 POSITION SW2
SW3 31 POSITION SW3
SW4 30 POSITION SW4
8 T.PHOTO
7 S.PHOTO
27 SAFETY TAB L
TL24
79 S.REEL
TL23
80 T.REEL
69