Sharp CD-BK260V Service Manual page 31

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