Sharp CD-BK100W Service Manual page 31

R94
+B
10K
R95
10K
C23
R12
047
680
R79
1.5M
C24
2.2/50
+B
C21
0.1
VSS
8
7
1
22
80 79 78 77
R11
12K
1 PD01
2 PD02
R10
VVSS
3
7K
4 PCKIST
VVDD
5
R14
6 FR
1.2K
HFL
7
R80
8 SLCIST
1M
15
SLCO
9
0K
10 EFMIN
11 JITTV
C26
C27
0.047
12 JITTC
0.1
13 BH
SERVO/SIGNAL
PH(RFENV)
14
15 FE
16 TE
17 VREF
ADAVDD
18
19 ADAVSS
PHREF
20
21 BHREF
TBLO
22
23 TDO
FDO
24
R44
1K
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
2 1
6
R22
D22
470
1SS133
Q2
KRC102 M
2 3
D21 1V 0V
R21
1SS133
1 0V
470
• The numbers 1 to 13 are waveform numbers shown in page 41.
7
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3
C71 100P
C72 100P
C73 100P
C74 100P
C75 100P
C76 100P
C77 100P
C78 100P
76 75 74 73 72 71 70 69 68 67 66 65
64
SBCK
63
PW
SBSY 62
61
SFSY
60
16M
59
DATA
58
DATACK
57
LRSY
56
ASDFIN
55
ASDACK
54
ASLRCK
IC2
53
XVSS
LC78641E
52
XOUT
51
XIN
CONTROL
50
XVDD
49
RVDD
48
RCHO
RVSS 47
46
LVSS
45
LCHO
44
LVDD
43
MUTER
42
MUTEL
41
EMPH
9
C31
100/10
C30
0.1
L61
0.82µH
8 9
Figure 31 SCHEMATIC DIAGRAM (12/12)
R71 1K DRF
R72 1K RES
R73 1K WRQ
INT
R74 1K
R75 1K DO
R76 1K DI
R77 1K CL
R78 1K CE
L62
2.2µH
C45
100/10
12
C44
0.1
11
10
+B
R84
10K
C57
30P
R20
220
C40
0.0015
C38
10/16
R82
2.2K
R81
C39
2.2K
10/16
C34
0.022
C56
470/6.3
R19
C83
47
0.022
+B
5V
3.3V Q1
CLAMP SW
KTC3203 Y
4V
R58
220
C64
ZD61
DZ3.9BSB 47/10
+B
10
– 31 –
CD-BK100W/CD-BP90W
R-CH
1
AGND
2
P20 1 - B
L-CH
3
CNS601
DGND
FROM MAIN PWB
4
+5V
5
R83
10K
C43
0.0015
INT
1
WRQ
2
DRF
3
CE
4
DO P29 12 - B
5
CNS702
DI
6
FROM DISPLAY PWB
CLK
7
RES
8
9
GND
10
CD LOADING
MOTOR PWB-G
BI4
O/C
1 1 1
2 2 2
GND(D)
3 3 3
DISC_ON
4 4 4
M+
5 5 5 +
M
M–
6 6 6
–
M3
T/T UP/DOWN
LOADING
11 12
SW1
OPEN
CLOSE
SW2
CLAMP
SW3
DISC
NUMBER