Magnavox MWR20V6, Service Manual

Page: 26 / 83

1-11-2
Servo Block Diagram
E9A80BLSV
SENSOR CBA SENSOR CBA
CONTR
OL
HEAD
CL504
CN502
CN504
AC HEAD ASSEMBLY
C-FG C-CONT D-PFG ST-S T-REEL C-F/R CTL(+) REC- SAF-SW PG-DELAY END-S
IC501 (SERVO CONTROL)
65
74
CTL
76
CTL(-)
75
33 67
88 81
3
32
84
22
LM-FWD/REV
26
D-CONT
34
(DECK ASSEMBLY)
END-S
T-REEL T-REEL
ST-S
ST-S
Q504
Q503
Q506
SW-POINT
AL+5V
VR501
TP506
TP505
END-S TP507
SW511
REC SW
LD-SW
87
AL+12V
AL+5V
AL+5V
SW512
AL+18V P-ON+5V(1)
MODE-SW
AL+5V
D555 S-LED
5
C
TL(+)
6
C
TL(-)
1
AL+12V(1)
2
P-ON+5V(1)
3
C-FG
4
C-F/R
5
C-CONT
6
GND
7
LM-FWD/REV
8
D-CONT
9
D-PFG
10
GND
11
AL+12V
12
AL+18V
TP513
CTL
AL+12V(1)
MAIN CBA
CAPSTAN MOTOR
CYLINDER ASSEMBLY
DRUM MOTOR
PG SENSOR
M
M
LOADING MOTOR
M
CAPSTAN MOTOR
MOTOR DRIVE CIRCUIT