Sharp CD-XP160W Service Manual page 24

CD-XP160W
A
LOADING SWITCH PWB-D
SW1
OPEN
CLOSE
SW2
DISC
SW3
UP
B
UP-DOWN MOTOR PWB-A6
+
M3
M
T/T UP/DOWN –
MOTOR
+
M
M4 –
CD LOADING
MOTOR
C
LOADING MOTOR PWB-A7
CD MOTOR PWB-C
D
NM802
SPINDLE
NM801
SLED MOTOR
SW4
PICKUP IN
FO+
TR+
TR–
E
FO–
ACTUATOR
GH6C605B3A1
1/2VCC
+ C
–
+ F
–
B
F +
–
+ A
–
+ E
–
GND
MON
LD
VCC
G
CD PICKUP UNIT (308)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
CD SERVO PWB-A2
CNS401 CNW401
M_GND
1 1 1
LOAD SW
2
2 2
DISC_SW
3
3 3
UP_SW
4 4 4
CNW402A
M+
1 1 1
M–
2 2 2
ROTATE+
R919
3
3
68
ROTATE–
4 4
CNS402 CNP402
1
2
CNW402B
CNP405
CNS405 CNW405
+
SP+
SP+
M
6
6 7
SP– SP–
–
5 6
5
SL+ SL+
+
4 5
4
SL– SL–
M
4
3 3
PU-IN PU-IN
–
2 2 3
2
M_GND
GND
1 1 1
TR– TR–
1 1 1
2
TR+ TR+
2 2 3
FO+ FO+
4
3 3
FO– FO–
4 4 5
GND
GND
5 5 6
PD
PD
6 6 7
VR
VR
8
7 7
LD
LD
8 8 9
CNW406
CNS406
C C
1 1 1
2
F F
2 2 3
B B
4
3 3
A A
4 4 5
E E
R403
6
5 5
10
1/2V VREF
6 6 7
+5V +5V
8
7 7
R404
CNS407 CNW407 33
Q401
KSA1015 GR
2 3
Figure 24 SCHEMATIC DIAGRAM (7/10)
CD SIGNAL
R418
1.5K
Q402
KSC3203 Y
R419
3.3K
Q403
KSA1271 Y
D402
1N4004
+B
+B
1 2 3 4 5 6 7 8 9 10 11 12 13 14
IC404
28 27 26 25 24 23 22 21 20 19
R405
100
R416
270K
+B
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
IC402
AN22000A
HEAD AMP.
1 2 3 4 5 6
R406 C404
4.7
47/16
+B
R407 C405
C402
R415
39K
910
47/10 22/50
4
– 24 –
LOAD+
LOAD–
ROTATE
R421
R434 R437
22K
1.5K 3.3K
Q409
KSC1815 GR
Q407 Q408
KSA1271 Y KSC3203 Y
R438
2.7K
Q410
KSA1271 Y
D403
1N4004
O/C SW
LOAD_SW
DISC_SW
PICK_IN
R423 1.8K
R424 12K
R425 5.6K
R426 18K
Q404
HSB562 C
+B
6.3V 5V
IC404
MM1469XH
FOCUS/TRACKING/
SPIN/SLED DRIVER
18 17 16 15
R428 1.5K
R429 4.7K
R427
18K
+B
C414
C418
330P
180P
R420
R433
62K
100K
C423
C420
R432 0.0022
0.022
390K
R436
150K
7 8 9 10 11 12 13 14 15 16
R490
C419
4.7M
0.0056
C415
0.0056
C411
100P
5
+B
C460
0.022
R449
1K
R492
12K
C425
0.1
R493
7.5K
C451
120P(CH)
6