Sharp CD-C602 Service Manual page 17

R45 1K
R46 1K
R47 1K
+B
ML)
8
K
R37
47K
R34
1K
LUG1
1
027
C53
220P
D2
1SS133
+5V
1 2 3 4 5 6 7 8 9 10
TO DISPLAY PWB
P24 4-H
7
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R60
C22
1K
0.01
64 63 62 61 60 59 58 57 55
56
µ-COM
INTERFACE
DEF1
1
TA1
2
R18
3.3M
PDO
2KX8
3
C41 RAM
R58
0.047(ML)
680
VVSS
4
ISET
5
C42
VCO
ERROR
0.047(ML)
CLOCK
COERECT
OSC FLAG
R57
CONTROL CONTROL
27K
VVDD
6
R56
FR
7
1.2K
VSS
SYNC-DETECT
8
EFM DEMODULATE
EFMO
SLICE
9
IC2
LEVEL
EFMIN
10 CONTROL
LC78622N
TEST2
11
SERVO/
CLV+
CLV
12
SIGNAL
DIGITAL
CLV-
SERVO
13
CONTROL
V/P
14
HLF
15
SERVO
TES COMMAND
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
C59 C52
0.022(ML) 100/10
CD-LD M+
+B
IC91
TA7291S
LOADING
MOTOR
1 2 3 4 5 6 7 8 9
DRIVER
R97
2.2K
C91
R98
47/25
10K
C73
100P
+B
11
8 9
Figure 17 SCHEMATIC DIAGRAM (2/9)
MAIN PWB-A1(1/4)
C56
100P
54 53 52 51
50 49
EFLG
48
SBSY
SUB-CODE
47
NC
XVSS 46
XIN
45
X-TAL
XOUT
44
GENERATOR
XVDD
43
MUTER
42
NC
RVDD 41
RCHO
40
RVSS
39
4FS
DIGITAL
FILTER
LVSS
38
LCHO
37
LVDD
36
MUTEL
C43
35
NC
100/10
34
N.C.
33
TEST4
EXTERNAL
DIGITAL
OUTPUT
OUT
TEST3
32
+12V
R82
100
L2
27µH
L1
0.82µH
+B
C51
0.022
D_GND
R93
4.7
Q91
KTA1271 Y
11.84V
SOLENOID
0V
SWITCHING
DRIVER
Q93
KRC102 M R96
11.82V
10K
3 11.82V
0V
2
R95
2.2K
1 0V
R94
56
R91
R92
10K
10K
10
– 17 –
CD-C602,CP-C602
CD SIGNAL
+B
NC
C71
330P
C68
10/50
CD_R
12
R74 R76
C70
4.7K
1K
220P
CD A GND
C69
C67
R75
220P CD_L
10/50
1K
13
R73
4.7K
C58
220P
+12V DRIVER
+B
14
C72
100P
+B
D81
+5V (µCOM)
1SS133
+4.3V
15
D_GND
C74
100P
+5V (SERVO)
+B
16
AUDIO GND
TRAY
MOTOR PWB-C
CNP4 CNS4
BIM5
SOLM2
SOL
1 1 1
SOLENOID
2 2
GND(M) 2
+
3 3 3
M+
M
–
4 4 4
M–
5 OPEN CLOSE 5 5
6 GND(D) 6 6
7 DISC NO. 7
8 8
GND(D)
9 9
MECHA UP
1 1
10 10
GND(D)
2 2
SW2
MECHA
CNS5
UP
11
TO MAIN/
POWER
SECTION
P18 1-E
TO MAIN/
POWER
SECTION
P18 1-F
M3
TURNTABLE
UP/DOWN/
LOADING MOTOR
SW1
OPEN/CLOSE
SW3
DISC NUMBER
12