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