PDR-L77
35
A
B
C
D
1
2
3
4
1
2
3
4
4. PCB CONNECTION DIAGRAM
4.1 SERVO MECHANISM, LOADING A and LOADING B ASSYS
D
C
B
NOTE FOR PCB DIAGRAMS :
1. Part numbers in PCB diagrams match those in the schematic
diagrams.
2. A comparison between the main parts of PCB and schematic
diagrams is shown below.
3. The parts mounted on this PCB include all necessary parts for
several destinations.
For further information for respective destinations, be sure to
check with the schematic diagram.
4. View point of PCB diagrams.
Symbol In PCB
Diagrams
Symbol In Schematic
Diagrams
Part Name
B C E
D
D
G
G
S
S
B C E
B
C
E
D
G
S
B
C
E B
C
E
B
C
E
Transistor
Transistor
with resistor
Field effect
transistor
Resistor array
3-terminal
regulator
Capacitor
Connector
P.C.Board
Chip Part
SIDE A
SIDE B
SIDE A
SIDE B
(PNP1471-B)
CN452
A
CN451
A
CN453
A
SERVO
MECHANISM
ASSY
B
LOADING A
ASSY
C
LOADING B
ASSY
D
LOADING B
ASSY
D
LOADING A
ASSY
C
SERVO
MECHANISM
ASSY
B
M
M
M
CARRIAGE
MOTOR
SPINDLE
MOTOR
LOADING
MOTOR
Summary of Contents for PDR-L77
Page 21: ...PDR L77 21 A B C D 5 6 7 8 5 6 7 8 3 5 A CDR SERVO AMP MULTI PLEXER A1 5 A4 5 A3 5 A1 5 1 ...
Page 43: ...PDR L77 43 A B C D 1 2 3 4 1 2 3 4 Q7006 Q7009 Q7051 PWSB ASSY G ANP7337 B SIDE B G ...
Page 45: ...PDR L77 45 A B C D 1 2 3 4 1 2 3 4 SIDE B FLDP ASSY 1 2 H FLDP ASSY 2 2 H ANP7337 B H ...
Page 69: ...69 PDR L77 Anode Connection ...