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
SPINDLE
MOTOR
NM801
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
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
CNP405 BI405
CNS405
+
M SP+ SP+
6 6 7
SP– SP-
–
6
5 5
SL+ SL+
+
4 4 5
M 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
8
7 7
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
5 5 6
1/2V VREF
6 6
7
+5V +5V
7 8
7
CNS407
BI407
2
Figure 22 SCHEMATIC DIAGRAM (7/10)
1K
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24
FOCUS/TRACKING/
R405
SPIN/SLED DRIVER
100
R403
10
R404
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2
LASER
DRIVER
Q401
KSA1015 GR
C404
R406
47/10
4.7
R407
39K
C402
47/10
3 4
– 22 –
CD SIGNAL
R418 R421
1.5K 22K
Q402
KSC3203 Y
R419
3.3K
Q407
Q403 KSA1271 Y
KSA1271 Y
D402 D403
1N4004
1N4004
R423 1.8K
R424 12K
R425 5.6K
R426 18K
Q404
HSB562-C
6.3V 5V
IC404
23 22 21 20 19 18 17 16 15
R428
1.5K
R429
4.7K
IC404
R427
MM1469XH
18K
FB402
R420
C418
62K
R416
180P
270K
C414
330P
R432
390K
C410
82P
IC402
AN22000A
HEAD AMP.
3 4 5 6 7 8 9 10 11 12 13 14 15 16
C415
0.0056
0.0056
R415
C411
910
100P
5
LOAD+
LOAD–
ROTATE
R434
R437
1.5K
3.3K
Q409
KSC1815 GR
Q408
KSC3203 Y
R438
2.7K
Q410
KSA1271 Y
O/C SW
LOAD_SW
DISC_SW
PICK_IN
FB401
R492
12K
C425
0.1
R433
100K C420
C423
0.022 0.0022
R436
150K
R493
7.5K
C451
120P(CH)
R490
4.7M
C419
6