Sharp CD-XP120 Service Manual page 22

CD-XP120
A
SWITCH B PWB-A6
SW1
OPEN/
CLOSE
SW2
DISC
SW3
UP
B
T/T UP/DOWN
MOTOR PWB-A8
+
M
–
M3
T/T UP/DOWN
MOTOR
CD LOADING
MOTOR PWB-A7
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 34.
1
All manuals and user guides at all-guides.com
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 22 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
FB402
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
– 22 –
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
FB401
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)