Read Sharp QT-CD111H (serv.man11) Service Manual online
QT-CD111H/110H
– 13 –
MUTE
L802
0.68
µ
H
CNS803
CNP803
BI803
SW702
PICKUP IN
M702
SLED
MOTOR
M701
SPINDLE
MOTOR
CNS801
BI801
1
CNS802
BI802
R833
5.6K
R835
470
C830
2P
(CH)
C833
0.001
R836
47K
C834
0.033
R832
56K
C831
0.0027
R838
33K
R837
47K
C832
27P
(CH)
R834
1K
C822
220P
IC804
BA5914FP
FOCUS/TRACKING/SPIN/SLIDE DRIVER
C844 330/10
R810
82K
D802
1N4148
R849 100K
C851
0.022
C821
1/50
R827 220K
C846
330/10
Q804
S8050D
R877
220
C889
10/16
ZD801
MTZJ5.6B
R878
100
C887
0.022
R875 10K
R876 10K
R873
100
C890
100/10
C867
10/16
R874
100
C868
10/16
XL801
16.93MHz
R880
100
C843
100/10
C873
0.01
L801
0.82
µ
H
R860
1K
IC802
LC78623D
SERVO/SIGNAL CONTROL
C847
0.01
0.047
C842
27K
R857
1.2K
R856
C841
0.047
0.047
C802 47/16
R801
1K
C801
0.01
C870
0.0022
C869
0.0022
R858
680
C850
0.1
C845
4.7/50
R871
4.7K
6
7
5 4 3 2 1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
5
4
3
2
1
4
3
2
1
5
4
3
2
1
4
3
2
1
5
4
3
2
1
4
3
2
1
31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
1
2
3
3
4
5
5
6
7
8
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
2
1
2
2
3
4
5
5
6
7
8
9
10
11
12
13
14
14
15
16
16
17 18 19 20 21 22 23
24 25 26 27 28 29 30 31 32
15
16
16
33
34
33
34
35
36
37
38
39
41
40
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
47
48
0V
3.5V
3.5V
3.5V
2.5V
2.5V
7.4V
7.4V
0V
0V
2.7V
3.8V
3.2V
3.5V
3.5V
2.5V
0V
0V
0V
0V
0V
2.5V
2.5V
+3.8V
-3.2V
0V
4.8V
7.4V
5.5V
+B
AUDIO GND
POWER GND
DIGITAL GND
DIGITAL +7.4V
L-CH
R-CH
+B
+B
+B
+B
+B
+B
+B
LD
VR
PD
GND
FO–
FO+
TR+
TR–
PD
VR
LD
E
K
C
B
A
F
MON
LD
FO–
FO–
FO+
FO+
TR+
TR+
TR–
TR–
F
B
A
E
K
+B
+B
+B
+B
+B
+B
+B
+B
PU-IN
SL–
SL+
SP–
SP+
FO+
FO–
TR–
TR+
TR+
TR–
FO–
FO+
K
A
B
E
F
DEF
NC
TBC
FSC
FSC
GND
SLI
SLC
FS–
FSM
CV+
CV–
LOF
HFL
LOF
HFL
TES
OFF
JP–
SL+
TEST1
CS
TEST5
4.2M
16M
TST11
RES
CQCK
COIN
RWC
SQOUT
WRQ
FSX
SBCK
EFLG
SFSY
SBSY
PW
XVSS
XIN
XOUT
XVDD
XVDD
MUTER
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
NC
MUTEL
TEST4
TEST3
DOUT
C2F
EMPH
CONT5
CONT4
CONT3
CONT2
CONT1
VDD
FSEQ
PCK
JP–
JP+
TGL
TOFF
TES
HFL
V/P–
CLV–
CLV+
TEST2
EMFIN
EMFO
Vss
FR
VVDD
ISET
VVss
PDO
TAI
DEFI
GND
VO4–
VO4+
VIN4
VIN4'
BIAS IN
VCC
VCC
VIN3'
VIN3
VO3+
VO3–
OP IN +
OP IN -
OP OUT
GND
VO2-
VIN1'
NC
NC
GND
VIN2
VIN2'
VO2+
MUTE
VO1-
VIN1
VO1+
CD MOTOR PWB-B
P14 1 - E
TO MAIN SECTION
PICKUP UNIT
M
M
7
6
5
0
9
8
3
2
1
5
4
8
7
6
1
0
9
4
3
2
N
O. VOLTAGE
2V
0V
0.1V
2.2V
0V
2.5V
0V
2.5V
0V
0V
0V
4.1V
4.1V
5V
0V
2.7V
2.4V
0V
0V
0V
0V
0.1V
2.2V
0V
2.5V
0V
2.5V
0V
0V
0V
4.1V
4.1V
5V
0V
2.7V
2.4V
0V
0V
0V
Figure 13 SCHEMATIC DIAGRAM (2/4)
7
8
9
10
11
12
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
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