Figure - Sharp CD-DP2500W Service Manual

CD SIGNAL
8
7
C23
R12
0.047
680
PD01
1
R79
R13
1.5M
680
PD02
C24
2
2.2/50
VVSS
3
PLL
C21 C81
VCEC
0.1 0.022
C22
4
100P PCKIST
R11
12K
VVDD
5
R14
FR
R10 R80
6
27K 1M
1.2K
HFL
7
C20
SLCIST
8
0.1
R15
SLICE
SLCO
R8 9
LEVEL
330 CONTROL
10K
EFMIN
10
C17
C27
11
JITTV
0047
C42 0.1
DEFECT
JITTC
68P
12 CONTROL
BH
13
PH(RFENV)
14
FE
SW A/D
15
TE
16
VREF
17
ADAVDD
18
C29
+
C82
C28
0.022
0.022
47/10
-
ADAVSS
19
C41
PHREF
100/6.3
20
2
BHREF
21
TBLO
S/H
22
TDO
23
R44
FDO
1K 24
25 26
R35
1
1K
13
R38
270
6
+
+B
NG M+
NG M-
R21
470
C47 D21
100/6.3 DS1SS133
PDO
SPN)
+B
• The numbers 1 to 13 are waveform numbers shown in page 43.
7
3
C71 100P
C72 0.01
C73 100P
R94
C74 100P
10K
C75 100P
R95 C76 100P
10K
C77 100P
C78 100P
+B
+B
C80
0.022
EFMO
VDD5V
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
GENERAL
IC2
LC78641E
SERVO/SIGNAL
CONTROL
FRAME SYNC
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
JITER
SW
AUTO
SERVO
ADJUST
PROCESSEROR
GENERAL
D/A
ERROR
AUDIO
CORRECT
OUT
FSX
27 28 29 30 31 32 33 34 35 36 37 38 39
R39
470
C30
0.022
C31
100/6.3
+B
R16
10K
+B
R22
470
D22
DS1SS133
2 3
Q2
1
KRC102 M
8 9
Figure 21 SCHEMATIC DIAGRAM (2/13)
R71 1K
R72 1K
R73 1K
R74 1K
R75 1K
R76 1K
R77 1K
R78 1K
L62
2.2µH
C44
0.022
COMMAND
INTERFACE
C45
100/6.3
SBCK
64
SUBCODE PW
63
DECODE
CRC
62 SBSY
12
61 SFSY
60 16M
11
59 DATA
10
58 DATACK
57 LRSY
ASDFIN
56
ASDACK
55
ASLRCK
54
XVSS
53
R20
52
XOUT 220 C35
8.2P
XL1
16.9344MHz
XIN
51
C36
+B
XVDD
C34 10P
50
0.022
+B
RVDD
49
RCHO
48
R82
C40
RVSS
47 2.2K
0.0015
LVSS
46
C43
LCHO
0.0015
45
R81
LVDD C39
44
2.2K
+B
10/16
43 MUTER
C56
42 MUTEL
330/6.3
41 EMPH
40
TEST
+B +B
R87
120
9
CONSTANT VOLTAGE
L61
0.82µH
Q1
KTC3203 Y
+B
ZD61
DZ3.9BSB
10
– 21 –
CD-DP2500W/DK2500W
DRF
RES
WRQ
INT
DO
DI
CL
CE
+B
DIGITAL OUT PWB-A5
1 2 3
C98
0.022
C99
100/10
L99
2.2µH
BI99
1 2 3
CNS99
1 2 3
R-CH
1
AGND
2
P24 5 - H
L-CH
3 CNS401
DGND
TO MAIN PWB
4
+5V
5
+B
CNP11
C83
0.022
1
2
3
CNP5
+B
+B
INT
1
CDINT
WRQ
2
WRQ
DRF
3 DRF
CE
4 CE
DO P29 9 - A
5 DO
+B
CNS701
DI
6 DI
TO DISPLAY PWB
CL
CLK
7
RES
CD RES
8
9
CLAMP SW
10
GND
CNP12
CNS4
BI4
SW1
O/C
OPEN/
1 1 1
CLOSE
2 2 2
SW2
GND(D)
CLAMP
3 3 3
DISC_NO
4 4 4
M+ NUMBER
+
5 5 5
M
M-
6
6 6
- UP/DOWN
LOADING
CNP4
CD LOADING
MOTOR PWB-F
11
SW3
DISC
M3
T/T
12