Sharp XL-30V Service Manual page 27

R837
10K
R836
2.2K
11 10 9 8
C844
0.1
MECHA
12
TEST
13
/RESET
14
XIN
15
XOUT
16
X802
8MHz
AVSS
17 MICROCOMPUTER
VAREF
18
19 TSW1A
20 TSW1B
21 TSW2A
22 TSW2B
R838 23 24 25
33K
R839
2.2K
+B
L801
10µH
+B
C842
0.1
13 GVSW
C838
0.0068
14 VRO
R831 R825
15 FEO
3.3K 82K
16 FEN
+B
C845
17 RFRP
100/10
C846
18 RFIS
0.1
C831
19 RFGO
0.1
C847
20 RFGC
0.1
21 AGCI
R828
R826
R823
10K
1K 22 RFO
100
23 RFN
C848
56P
24 GND
R827 C839
R829
39K 3.3K 1P(CH)
C849 C855
0.056 100/10
+B
7
R848 R832
33
10K
7 6 5 4 3 2 1
ACK
44
DATA
43
42
STB
IC806
41
MPRST
IX0031SJ
40
VDD
CD SERVO
39
38
37
36
35
34
26 27 28 29 30 31 32 33
R861
Q861
2.2K
2SB562 C
3.3V 6.4V
+B
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
+B
R849
820
+B
RFDC 12
TEO 11
10
R824
TEN 10
82K
TEB 9
SEL 8
LDO 7
MDI 6
1.6V
TNI 5
TPI 4
9
FPI 3
FNI 2
VCC 1
IC801
TA2147F
SERVO AMP.
8
Figure 27 SCHEMATIC DIAGRAM (2/9)
R842
R893
10K
33
MPACK
R841 R894
33
10K
MPDATA
R840
R895
10K
33
MPSTB
R896
33
MPRST
+B
+B
1
3
2
C854
C853
0.1
0.1
+B
IC807
KIA7805AP
VOLTAGE
D801
1N4004
REGULATOR
D802
1N4004
+B
+B
+B
3 2
+B
R822
R821
10
150
3.3V
Q801
2SB562C
C843
0.1
+B
R80E 82K
R80A 82K
R80B 56K
R80C 82K
R80F 82K
R80G 56K
+B
+B
C889
0.1
CD PWB-A3
9 10
– 27 –
M_GND P31 8 - H
1 1
M_12V CNP605
2 2
TO MAIN PWB
CD_GND
1 1
CD_8V
P34 1 - D
2 2
V_GND
CNP654
3 3
V_5V TO POWER PWB
4 4
V_5V
C891
P28 1 - B
1 1
0.001
CNP810
2 2
TO VIDEO PWB
V_GND
C890
0.0027
CD MOTOR PWB-C
SP+ SP+
6 6 6
SP-
SP-
5 5 5
SL+ SL+
4 4 4
SL-
SL-
3 3 3
PU-IN PU-IN
2 2 2
GND
GND
1 1 1
TR-
TR-
1 1 1
TR+
TR+
2 2 2
FO+
FO+
3 3 3
FO-
FO-
4 4 4
GND
GND
5 5 5
PD
PD
6 6 6
VR
VR
7 7 7
LD
LD
8 8 8
C
C
1 1
1
F
F
2 2 2
B
B
3 3 3
A
A
4
4 4
E
E
5 5
5
1/2V
VREF
6 6 6
+5V
+5V
7 7 7
PICKUP UNIT
11
XL-30V
+
NM802
M
SPINDLE
-
MOTOR
+
NM801
M
SLED
-
MOTOR
NSW801
PICKUP IN
TR-
TR+
FO+
FO-
ACTUATOR
1/2VCC
+
-
C
+
-
F
+
-
B
+
-
A
+
-
E
MON
GND
LD
VCC
12