Sharp GX-CD1200W BK Service Manual page 12

GX-CD1200W
A
B
C
D
E
SERIAL NO.
F
PICK-UP UNIT 92LHPC1LASY
BI802/CNS802 QCNWN0027BGZZ
C801 VCQYKA1HM103K
R802 VRD-ST2CD222J
R891 NOT USED
R892 JUMPER
R893 JUMPER
R894 NOT USED
R895 JUMPER
R896 JUMPER
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
SW810
OPEN/CLOSE
SWITCH PWB-C3
+5V
VCC
C3A
LD
MON
C2A
2/1VCC
C4A
R-
TR+ R+
FO+ F+
F-
G
FO-
PD
TR-
VR1A VR
LD
PICK-UP UNIT
+
M
M802
SPINDLE
MOTOR
–
SP+
SP-
+
SL+
M801 M
SLED
SL-
MOTOR –
PU-IN
GND
SW702
PICKUP IN
CD MOTOR PWB-B
To serial
From serial
No.00404990
No.00504991
92LHPC1LXASY
QCNWN0032BGZZ
NOT USED
NOT USED
VRD-ST2CD683J
VRD-ST2CD563J
VRD-ST2CD683J
VRD-ST2CD683J
VRD-ST2CD683J
VRD-ST2CD563J
2
Figure 12 SCHEMATIC DIAGRAM (3/4)
FW802
( ):STOP
Q801
KTA1266 GR
SWITCHING
0.2V(1.5V)
C802
0.022
7 7 7
R896
6 6 6
56K
E
E
5
5 5
A
R895
A
4
4 4
68K
B R893
B
3 3 3
68K
F R892
F
2 2 2
56K
C R891
C
1 1 1
68K
R894
68K
TR+
1
1 1
TR-
2
2 2
FC+
3 3 3
FC-
4 4 4
GND
5 5 5
PD
6 6 6
VR
7 7
7
LD
8
8 8
DM+
6 6 6
DM-
5 5 5
FM+
4
4 4
FM-
3
3 3
SLT+
2
2 2
1
1 1
CD SERVO PWB-C1
3 4
– 12 –
IC801
R802
2.2K
TA2109F
SERVO PRE AMP.
4.3V(5V)
R801
22
C815 C816
C817
47/10 0.022
100/10
3.6V
(4.4V)
2.1V
24
RFN
5V
1
VCC
23
GND
0V
IC801
1.6V
2.1V
(0.3V)
2
FNI
22
RFO
2.1V
3
FPI
8
2.1V
4
TPI
(2.1V)
0V
21
AGCI
2.1V
5
TNI
(2.1V) 0V
RFGC 20
0.18V
6
MDI
(0V)
2.2V
3.6V RFGO
7 19
LDO
(4.4V)
0.1(ML)
2.1V
RFIS
18
3.2V
2.5V
8 (1.1)
SEL
17
(0.3V)
RFRP
2.8V
9
2.1V
TEB
16
VRO
4.3V
10
2VRO
15
FEN
2.1V 2.1V
11
TEN
2.1V
14
FEO
2.1V
2.0V
12 SBAD 13
TEO
(1.1V)
+B
C822
C813
C814
0.047
47/10
0.047
3
TRO
+B
N.C.
30 29 28 27 26 25 24 23 22 21 20
IC803 LA6541D
FOCUS/TRACKING/SPIN/SLED
N.C.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+B
5
+B
C825
47/10
R804
68K
R805
39K
R806
2.7K
C820
0.1
(ML) R807
1K
9
C819
C818
56P
+B
10
C801
0.1
C854
C863
0.0068
47/10
C841
0.047
C834
470P
2
C835
470P
C836
FOO
0.047
(ML)
C837
0.047 (M
C838
0.047(M
C839
C807 0.047(M
0.047
N.C. N.C.
19 18 17 16
5V
6.7V C89
+B 220
5V(5V)
6.8V
(6.8V)
Q802
KTA1271 Y
VOLTAGE
REGULATOR
FMO
DMO
+B
+B
6
C8
47
R
R