Sharp CD-XP120W Service Manual page 24

CD-XP120W
A
SWITCH B PWB-A6
SW1
OPEN/
CLOSE
SW2
DISC
SW3
UP
B
T/T UP/DOWN
MOTOR PWB-A7
+
M
–
M3
T/T UP/DOWN
MOTOR
CD LOADING
MOTOR PWB-A6
C
+
M
–
M1
CD LOADING
MOTOR
CD MOTOR PWB-C
D
NM802
M
SPINDLE
MOTOR
NM801
M
SLED
MOTOR
SW4
PICKUP IN
FO+
TR+
E
TR–
FO–
ACTUATOR
GH6C605B3A1
1/2VCC
+
–
C
+
–
F
F
+
–
B
+
– A
+
–
E
GND
MON
LD
VCC
PICKUP UNIT
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
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CD SERVO PWB-A2
CNS401 BI401
M_GND
1 1 1
LOAD SW
2 2 2
DISC_SW
3 3 3
UP_SW
4 4
4
CNP401
1
2
BI402A
M+
1 1
M–
2
2
ROTATE+
3 3
ROTATE-
4 4
CNS402 CNP402
1
2
BI402B
R919
68
R401
1K
CNP405 BI405
CNS405
+
SP+
SP+
6 6
7
SP– SP-
–
5 5 6
SL+ SL+
+
4 4 5
SL– SL–
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+
3 3 4
FO–
FO–
4 4
5
GND
GND
5 5 6
PD
PD
6 6
7
VR
VR R405
7 7 8
100
LD
LD
8 8 9
CNS406 BI406
C C
1
1 1
2
F F
2 2
3
B B
3 3 4
A A
4 4 5
E E R403
5 5 6
10
1/2V VREF
6 6
7
+5V +5V
7 7 8
R404
CNS407 BI407
33
2 3
Figure 24 SCHEMATIC DIAGRAM (7/10)
R418
1.5K
Q402
KSC3203 Y
R419
3.3K
Q403
KSA1271 Y
D402
1N4004
6.3V
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 18 17
IC404
MM1469XH
FOCUS/TRACKING/
SPIN/SLED DRIVER
R416
270K
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 7 8
LASER
DRIVER
Q401
KSA1015 GR
C404
R406
47/10
4.7
R407
39K
C402
47/10
R415
C411
910
100P
4
– 24 –
CD SIGNAL
LOAD+
LOAD–
ROTATE
R421
R434
R437
22K
1.5K
3.3K
Q409
KSC1815 GR
Q408
KSC3203 Y
R438
Q407
2.7K
KSA1271 Y
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
5V
R492
12K
16 15
R428
1.5K
C425
R429
0.1
4.7K
R427
18K
R420
C418
62K
180P R433
100K
C414 C420
C423
330P
0.022 0.0022
R432
390K
C410
R436
82P 150K
9 10 11 12 13 14 15 16
R490
C415
4.7M
0.0056
C419
0.0056
5 6
R493
7.5K
C451
120P(CH)