Sharp DV-RW550U - Page 49

Servo Block Diagram
E9656BLSV
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
1-13-2
SENSOR CBA SENSOR CBA
CONTROL HEAD
CL504
CN502
CN504
ACE 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-SW87
AL+12V
AL+5V
AL+5V
SW512
AL+18V
P-ON+5V(1)
MODE-SW
AL+5V
D555 S-LED
5 CTL(+) 6 CTL(-)
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
MLOADING
MOTOR
M
CAPSTAN MOTOR
MOTOR DRIVE CIRCUIT
WF27
WF28
WF19
WF20
WF21WF22