Sharp XL-40H Service Manual page 29

L803
10µH
+B
L801
10µH
C844
0.0068
R825
82K
C845
100/10
C846
0.1
C847
0.1
C848
R828 R826
39P
1.2K 2.7K
C839
2P
R827
27K
R829
68K
C863
470P
C855
C849
100/10
0.056
+B
B
• The numbers 1 to 17
7
Q861
2SB562 C
5V
6.3V
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
IC804
LA6541D
FOCUS/
TRACKING/
C857
SPIN/SLED
47/16
DRIVER
16 17 18
+B
R823
1K
R824
27K
13
2.2V 12
2.1V
14 11
2.1V
2.2V
15 10
4.3V
2.1V
16 9
2.1V
2.1V
10
17 8
2.5V
2.1V
9
18 7
3.4V
2.1V
6
19 0V
2.1V
20
2.1V 5
2.1V
21 4
2.1V
2.1V
8
22 3
2.1V
1.7V
23 2
2.1V
0V
24 1
5V
2.1V
IC801
TA2109F
SERVO PRE AMP.
are waveform numbers shown in page 19.
8 9
Figure 29 SCHEMATIC DIAGRAM (6/6)
+B
IC804
LA6541D
2
3
23 24 25 26 27
19 20 21 22 28 29 30
C842
47/10
R822
22
R821
150
4.1V
Q801
KTA1266 GR
3.4V
SWITCHING
C843
0.1
+B R80E
82K
R80A
82K
R80B
68K
R80C
82K
R80F
82K
R80G
68K
+B
10
– 29 –
CD PWB-A3
C861
0.001
CD_L
1
A_GND
2
CD_R
L804
3
2.2µH
M_GND
4
M_12V
5
D_GND
6
CD_6R2V
7
+B
(L804/R843
Serial No.
003xxxxx~)
SP+
6 6
SP-
5
5
SP+
4 4
SL-
3 3
PU-IN
2 2
GND
1 1
PICKUP UNIT
TR- TR-
1 1
1
TR+ TR+
2
2 2
PO+ PO+
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
VREF 1/2V
6 6
6
+5V
+5V
7
7 7
11
XL-40H/50H
CFW807
1
1
2 SW801
2
OPEN/CLOSE
OPEN/CLOSE
SWITCH
PWB-A6
1
2
3
TO MAIN PWB
4
CNP605
P25 7-H
5
6
7
CD MOTOR PWB-C
+
SP+ NM802
M
6
SPINDLE
SP-
- MOTOR
5
SP+
+
4
SL- NM801
M
3
SLED
PU-IN
MOTOR
2 -
GND
1
NSW801
PICKUP IN
TR+
PO+
FO-
TR-
ACTUATOR
GH6C605B3A1
1/2VCC
+
-
C
+
-
F
+
-
B
+
A -
+
-
E
GND
MON
LD
VCC
12