Sharp GX-CD30 Service Manual page 19

DIGITAL GND
NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
7
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K
B
E
A
F
+B
C847
0.01
+B
IC802
LC78622E
64 63 62
SERVO/SIGNAL
CONTOL
DEFI
1
2
TA1
3
PDO
R858
C841
680
0.047
4 VVSS
C842
0.047
5
ISET
R857
27K
6
VVDD
7
FR
R856
1.2K
VSS
8
EFMO
9
SLICE LEVEL
EFMIN
CONTROL
10
11 TEST2
CLV+
12
CLV–
DIGITAL SERVO
13
V/P
14
HFL
15
SERVO
COMMAND
TES
16
17 18
+B
+B
330/10
Q804
2SD468 C
+B
7.4V
4.9V
R877
5.5V
220
C889
R878
10/16
100
+B
SERVO 7.4V
C887
0.022
AUDIO GND
L-CH
R-CH
8
Figure 19 SCHEMATIC DIAGRAM (2/5)
manuals search engine
R801
1K
C802 C801
47/10 0.01
R860
1K
61 60 59 58 57 56 55 54 53 52 51 50 49
EFLG
48
U-COM SBSY
SUB-CODE 47
INTERFACE
XVSS 46
XIN
45
X-TAL
GENERATOR 44
2K x 8BIT
XOUT
RAM
43
XVDD
42
MUTER
ERROR
VCO CLOCK
CORRECT RVDD 41
FLAG
OSC CONTROL
CONTROL
40
RCHO
RVSS 39
1BIT
DAC
LVSS 38
SYNC-DETECT
LCHO
EFM DEMODULATE
37
LVDD
36
MUTEL
NC 35
CLV NC
34
TEST4
33
DIGITAL
OUT
EXTERNAL
OUTPUT
19 20 21 22 23 24 25 26 27 28 29 30 31 32
+B
L801
0.82µH
100/10
FOCUS/TRACKING/SPIN
SLIDE DRIVER
IC804
BA5920FP
3.5V
1 +
3.5V
2
–
2.5V
3
+B
4
2.5V
– +
5
6
0V
C846
0V 7
0V
0V
8
– +
2.5V
9
2.5V
10
+B F+
3.8V
–
11
F–
3.2V
CONSTANT
+
12
VOLTAGE
0V 13 +
–
REGULATOR
14
6.7V
9
– 19 –
GX-CD30/30C/130/130C
K K
5 5 5
E E
4 4 4
A A
3 3 3
B B
2 2 2
F F
1 1 1
TR–
1
1 1
TR+
2
2 2
FO+
3 3 3
FO–
4 4 4
GND
5 5 5
PD
+B
6 6 6
VR
7 7 7
LD
8 8 8
CNS801
FO+
FO–
TR–
TR+
XL801
16.93MHz
+B
+B
R874
100
C870
C868 R876
10/16 0.0022
10K
C869
R875
0.0022
10K
R873
C867
10/16 100
C890
100/10
R880
100
C873
C843
0.01
TR+
TR–
FO–
FO+
SP+
0V
28
+
SP–
3.5V
– 27
SL+
3.5V
26
2.5V SL–
25
+–
PU-IN
2.5V
24
2.5V
23
+B
VCC
7.4V
22
+
– 0V
VCC
7.4V
21
+ –
20 2.5V
2.7V
19
3.8V
–
18
3.2V
+ 17
2.9V
16
2.9V
15
+B
10 11
PICKUP UNIT
1/16
LD
MON
K
E
A
B
F
C
LT0H30M1
TR–
TR+
TR+
FO+
FO+
FO–
GND
FO–
PD
VR TR–
LD
ACTUATOR
M701
SPIN MOTOR
+
6 6 6
M
5 5 5 –
4 4 4
+
3 3 3
M
2
2 2 –
1 1 M702
1
SLIDE MOTOR
SW702
PICKUP IN
CD MOTOR
PWB-E
12