Sharp QT-CD111H Service Manual page 13

R871
C850
4.7K
49
0.1
C845
4.7/50
48 NC
TBC 47
FSC 46
45
GND
44
SLI
R838
C834
33K
0.033
C833
R836
R837
0.001
47K
47K
R833
SLC
43
5.6K
42
FS–
C830 C832
R834
27P
2P R832
1K
(CH) (CH)
56K
FSM 41
C831
R835 0.0027
CV+
40
470
39
CV–
LOF
38
HFL
37
TES
36
C822
OFF 35
220P
34
33
31 32
D802
R810
82K 1N4148
C851
0.022
C821
1/50
R877
+B
220
7.4V
N
O. VOLTAGE
R878
5 2V
100
6 0V
7 0.1V
8 2.2V
9 0V
0 2.5V
1 0V
ZD801
2 2.5V
MTZJ5.6B
3 0V
4
0V
5
0V
6
4.1V
7
4.1V C887
8
5V 0.022
9
0V
0 2.7V
1 2.4V
2 0V
3 0V
4 0V
7 6 5 4 3 2 1
P14 1 - E
TO MAIN SECTION
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
7
All manuals and user guides at all-guides.com
+B
R860
C847
1K
+B 0.01
64 63 62 61 60 59 58 57 56 55 54
1
R858 C841
2
680
0.047
48
1 DEFI
3 PDO
2 47
TAI
C842
4
VVss
0.047
5 ISET
IC802
R857
27K
6 VVDD
LC78623D
FR
7
R856 1.2K
Vss
8 SERVO/SIGNAL CONTROL
9
EMFO
10
EMFIN
TEST2
11
15 HFL
34
12 CLV+
16 TES 33
13
CLV–
14
V/P–
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
+B
L801
0.82µH
+B
+B
3.5V
1 VO1-
+B
3.5V
2 VO1+ VO4–
2.5V
3
VIN1
VO4+
4 VIN1'
0V
5 NC
0V
6 NC
BIAS IN
C846
0V
7 MUTE
330/10
29
GND
0V
8
VIN2'
2.5V
9
VIN2
2.5V
10
VO2+
+3.8V
Q804
11
S8050D
4.8V
VO2-
-3.2V
+B
VO3–
12
GND
0V
5.5V 13
OP IN +
OP IN -
14 OP OUT
C889
10/16
L802
0.68µH
8 9
Figure 13 SCHEMATIC DIAGRAM (2/4)
+B
F
E
B
A
K
+B
R801
1K
C801
0.01
+B
53 52 51 50 49
48
47
XL801
EFLG XVSS 16.93MHz
46
SBSY
XIN
45
44
XOUT
+B
XVDD 43
MUTER 42
+B C868
R874
C870
RVDD 41
10/16
100
0.0022
RCHO 40
39
RVSS
C867
38
LVSS
10/16
NC
37
LCHO
TEST4
C869
R873
0.0022
36 100
LVDD
C890
35
MUTEL
100/10
34
33
R880
100
C843 C873
100/10 0.01
TR+
TR–
FO–
FO+
0V
GND 28
3.5V
27
3.5V
26
2.5V
25
VIN4
24
VIN4'
2.5V
23
+B
7.4V
VCC 22
30
+B
21
VCC
7.4V
VIN3' 20
2.7V
19
VIN3
3.8V
18
VO3+
3.2V
17
16
15
+B
10
– 13 –
QT-CD111H/110H
LD
LD
PD
1
VR
MON
K
K
5 5 5
E E
4 4 4
A A
3 3 3
B
2 2 2
F
1 1 1
B
F
C
TR–
1 1 1
TR+
TR+
2 2 2
FO+
FO+
3 3 3
FO–
FO–
4 4 4
GND
TR+
5 5 5
PD
6 6 6 FO+
VR
7 7 7
LD
8 8 8
FO–
TR–
TR–
PICKUP UNIT
SP+
6 6 6 M701
M
SPINDLE
SP–
5 5 5 MOTOR
SL+
4 4 4
M
M702
SL– SLED
3 3 3
MOTOR
PU-IN
2 2 2
SW702
1 1 1
PICKUP IN
CD MOTOR PWB-B
11 12