Sharp CD-BK260V Service Manual page 31

OPENNMP3O
DISC-NO
R94
IC2
10K
LC78636E
R95
SERVO/SIGNAL 10K
R68
1K
CONTROL
+B
8
7
C23 EFMO 80 79 78 77 76 75
R12
.047
680
PD01
1
GENERAL
R79 1.5M
R13
680
PD02
2
VVSS
3
C21 C81 0.022
FRAME SYNC
0.1
DEFECT,PROTECT
PCKIST
4
EFM DECODE
R11
+B VVDD
12K
5
CLV
R14 FR
R80
CONTROL
6
1.2K
1M
HFL
7
R15
SLCIST
8
10K
SLCO
9
EFMIN
10
JITTV
C27
JITER
11
0.1
JITTC DEFECT
SW
12
CONTROL
BH
13
PH(RFENV)
14
AUTO
FE
ADJUST
15
TE
16
VREF
17
+B
ADAVDD
18
+
C28
47/10 –
ADAVSS
19
PHREF
C29
20
0.022
BHREF
21
TBLO GENERAL
22 S/H
TDO
23
FDO
24
R35
SPDO 25 26 SLDO 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1K
4
R38
R39
270
470
R37
1.5K 6
+B
R21 R22
470 470
3
2
KRC102 S
1
• The numbers 1 to 12 are waveform numbers shown in page 44.
7
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C71 100P(CH)
R71 1K
C72 0.01 R72 1K
C73 100P (CH) R73 1K
3
C75
100P(CH)
R75 100
C76 100P (C H) R76 1K
C77 100P (C H)
R77 1K
C78 100P (C H) R78 1K
C80 0.1
L62
VDD5V
74 73 72 71 70 69 68 67 66 65
COMMAND
INTERFACE
SBCK
IC2
64
PW
63
LC78636E
SBSY
62
SFSY
61
16M
60
DATA
59
DATACK
58
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
52
XOUT
XIN
51
XVDD
50
RVDD
49
RCHO
48
RVSS
47
LVSS
46
LCHO
45
LVDD
44
MUTER
43
AUDIO
MUTEL
OUT
42
FSX 41
EMPH
TEST
C30
0.022
+B
9
+B
C31
100/10 L61
0.82µH
R16
CONSTANT
10K
VOLTAGE
+B
Z02W3.9Z
+B
Q2
8 9
Figure 31 SCHEMATIC DIAGRAM (10/13)
CD-BK260V/CD-BK2700V/CD-BK280V
CD SIGNAL
+B
2.2µH
C44 0.022
C45 100/10
12 11
10
+B
XL2
16.934 MHz
C85
8P(CH)
R20
220
C86
10P(CH)
+B
C34 0.022
+B
C84
0.047
R118
2.2K
CE1
1/50
+B
C83
0.047
Q4
KTC3203 Y
+B
+B
R97
R58
3.9K
68
C64
47/6.3
ZD61
10
– 31 –
DATA
1
DATACK
2
LRSY
3
+B +5V
4
CNP11
R-CH
TO
6
AGND
MAIN PWB
5
P22 1-B
L-CH
4
CNS601
DGND
3
+5V
+B
2
A10V
+B
1
R-CH
5
6
L-CH
7
+B A10V
8
D_GND
9
CNP12
WRQ
1
DRF
2
TO
CE
DISPLAY PWB
3
DO
P29 9-A
4
DI
CNS701
5
CLK
6
CD RES
7
CLAMP SW
8
GND
9
RAC/NTSC
10
TO MP3
SECTION
RES
P32 1-E
11
OPEN/CLOSE
OPEN/CLOSE
1 1
1
CLAMP
2 2 2
GND(D)
3
3 3
DISC-NO
4
4 4
M+
LD
5
5 5
LD M– +
6 M
6 6
—
CNP4
CNS4
CD LOADING
MOTOR PWB-E
11 12
SW1
SW2
CLAMP
SW3
DISC NO.
M3 T/T
UP DOWN
LOADING