Sharp CD-C612 Service Manual page 19

R57 1K
R58 1K
R59 1K
R61 1K
R62 1K
R63
1K
R51
3.3M
R50
680
C39
0.047
C40
0.047
R52
27K
R53
1.2K
P
C56
0.022
C57
0.001
+B
+B
D92
1SS133
R47
10K
5 6 7 8 9 10 11 12 13 14
15
CNS12
P27 12-D
OM DISPLAY PWB
7
C46
R60
C38
100P
1K
0.01
(CH)
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
µ-COM
SUB-CODE
INTERFACE
DEF1
1
TA1
2
PDO 2KX8
3
RAM
IC2
VVSS
4
LC78622N
ISET
5
VCO
ERROR
CLOCK
COERECT
OSC
FLAG
CONTROL
CONTROL
VVDD
6
FR
7
VSS
8
EFMO
SLICE
9 SYNC-DETECT
LEVEL EFM DEMODULATE
EFMIN
10
CONTROL
TEST2
11
CLV+
CLV
12
SERVO/SIGNAL
DIGITAL
CLV-
13 CONTROL
SERVO
V/P
14
HLF
EXTERNAL
15
SERVO
OUTPUT
TES COMMAND
16
17 18 19 20 21 22 23 24 25 26 27 28
PIN27
TRY SPEED
HIGH
LOW
R82 R80
390 820
R81
R83
820
390
2 3
Q51
1
KRC102 M
R84
SWITCHING
2.2K
DRIVER
8 9
Figure 19 SCHEMATIC DIAGRAM (2/10)
49
NC EFLG
48
SBSY
47
NC
XVSS 46
XIN R93
45
220
X-TAL
XOUT
44
GENERATOR
XVDD 43
MUTER
42
NC
C72
RVDD 41
10/50
RCHO
40
4FS
R72
DIGITAL
RVSS 39
2.7K
FILTER
C71
R71
LVSS
38
10/50
1BIT
2.7K
LCHO
DAC
37
LVDD
36
MUTEL(NC)
R55
35
100
C43
34
PCCL
DIGITAL
330/6.3
OUT
TEST4 33
R65 L61
1K 0.82µH
C51
C50
100/16
0.022
29 30 31 32
+B
+B
+B
+B
D91
1SS133
CNP10 CNS10
SOL+
1 1
SOL–
2 2
M+
3 M+ 3
M–
4 M– 4
5 GND(D) 5
6 OPEN CLOSE 6
CD_D_NO
7 7
DISC NO.
8 8
GND(D)
9 MECHA UP 9
10 GND(D) 10
10
– 19 –
CD-C612
CD SERVO PWB-B
CD SIGNAL
+B
X1
16.93MHz
CNP11
R-CH
1
A_GND
2
CD_RCH
L-CH
3
D-GND
4
A_GND
+7V
5
+12V
6
CD_LCH
VOLTAGE
REGULATOR +B
R66
220
R64
22
C75
0.001
+B
SOLM2
SOLENOID
BIM5
1
M3
2
TURNTABLE
+
3
M UP/DOWN/
4 LOADING
–
MOTOR
5
6
SW1
OPEN CLOSE
SENSOR PWB-D
SW2
MECHA
UP CNS5
SW3
1 1
DISC
2 2
NUMBER
11 12