A
B
C
D
1
2
3
4
1
2
3
4
PD-F407
6
3.SCHEMATIC DIAGRAMS
NOTE: The numbers marked with a circle show the number of each
measuring point,which correspond to the number in the service
manual PD-F407(ORDER NO.RRV1877) on page16-17.
J
F
C
F
MOTHER BOARD ASSY
PD-F407RDXJ:PWM2190
PD-F407/WPWXJ:PWM2191
SIGNAL ROUTE
: AUDIO SIGNAL
: FOCUS SERVO LOOP
: TRACKING SERVO LOOP
: CARRIAGE SERVO LOOP
: SPINDLE DRIVE
: LOADING DRIVE
23
16
19
18
53
33
2
23
4
3
7
5
6
8
5.0V
1.7V
1.7V
0.2V
1.6V
1.6V
0V
1.6V
1.6V
0V
1.8V
1.8V
-0.7V
B
CN701
F
CN653
STBL
J
CN351
HLEM32S-1
150 1SS254
J801
POWER SW ASSY
PWZ3623
5
D751
SLR-342VCT31
J811
J801
D20PWW0545E
RSG1030
B
D
C
F