Sharp CD-C2800 User Manual

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CD-C422/C422C/C2800/C2800C
Figure 25 SCHEMATIC DIAGRAM (4/10)
7
8 9 10 11 12
C53 220P
C69
220P
C70
220P
R75 270
R76 270
R73
2.7K
R74
2.7K
D81
1SS133
IC91
TA7291S
LOADING MOTOR DRIVER
R86 1K
Q93
KRC102 M
C22
0.01
D2
1SS133
R60
1K
R87 1K R88 1K
IC2
LC78623D
SERVO/SIGNAL
CONTROL
R58
680
C41
0.047
C42
0.047
R57
27K
R56
1.2K
C43
100/10
R45
1K
R46
1K
R47
1K
C57 100P C55 100P C54 100P C56 100P
C67
10/16
C68
10/16
R18
3.3M
D91 1SS133
R96
10K
Q91
KTA1271 Y
R98
10K
R95
2.2K
R97
2.2K
C91
47/16
C92 0.022
C95
0.001
L1
27µH
R82
100
C51
0.022
C52
47/16
C59
0.022
R70 1K R71 1K R79 1K R78 1K R77 1K R72 1K
R99 56
R34
1K
C32
27P
C31
0.0027
R35
470
C50
0.1
4
.
7/25
R54
1K
R37
47K
R38
33K
R32
56K
R36
47K
C34
0.033
CNP10
12
10
11
5
6
7
84
9
9
1234
5
6
7
89
19
3
10
2
1
2
1
1
2
3
4
5
6
20
18
6
4
17
16
15
9
8
7
6
5
4
3
2
1
10 10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49505152535455565758596061626364
C
NS702
CNS703
SW3
DISC NO.
SW2
MECHA UP
CNS5
SW1
CLOSE/OPEN
BIM5
CNS10
XL1
16.93MHz
/CS
TEST5
F
X-TAL
GENERATOR
4M
16M
/RES
/CQCK
COIN
SQOUT
RWC
WRQ
FSX
PW
SFSY
SBCK
TEST11
U-COM
INTERFACE
SUB-CODE
EFLG
SBSY
XVSS
XIN
XOUT
XVDD
MUTER
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
MUTEL
TEST4
TEST1
4FS
DIGITAL
FILTER
DOUT TEST3
DIGITAL
OUT
RAM
ERROR COERECT
FLAG CONTROL
VCO CLOCK
OSC CONTROL
SLICE LEVEL
CONTROL
SYNC-DETECT
EFM DEMODULATE
EXTERNAL
OUTPUT
CLV
DIGITAL SERVO
C2F EMPH CONT5 CONT4 CONT3 CONT2 CONT1 VDD FSEQ PCK JP_ JP+ TGL TOFF
DEF1
PDO
VVSS
ISET
VVDD
FR
VSS
EFMO
EFMIN
TEST2
CLV+
CLV–
V/P
HLF
TES
SERVO
COMMAND
1BIT
DAC
2KX8
N
D
TA1
PUIN SL– SL+ DRF
TO DISPLAY PWB
P23 7-9-G
TO MAIN PWB(2/4)
P27 12-E
TO DISPLAY PWB
P23 8-G
CNS702CNS703
TO DISPLAY PWB
P23 9-G
CD_OPEN/CLOSE MECHA_UP/DOWN DISC_NO
32
1
SENSOR PWB-D
M3 T/T
UP/DOWN
LOADING
SOLM2
SOLENOID
LOCK
TO MAIN
PWB (3/4)
P28 2-F
TO MAIN
PWB (2/4)
P27 12-E
TO MAIN
PWB(3/4)
P28 2-D
TO MAIN
PWB(3/4)
P28 2-F
MAIN PWB(2/4)
P26 1-A
MAIN PWB-A1(1/4)
+B
+B
(SERVO)
+5V
D_GND
GND
D_5V (UCOM)
+5V
(DRIVER)
+12V
+4.3V
CD_L
A_GND
GND
CD_R
S_MUTE
SURR
D_GND
CD-LD(M+)
GND(D)
MECHA UP
GND(D)
DISC NO.
OPEN CLOSE
GND(D)
M+
GND(M)
SOL
D_GND
M_GND
MOTOR GND GND
SQOUT COIN DSP_RES WRQ RWC CQCK
CD-LD(M–)
+5V
M
+B
+B
+B
+B
M–
–
+
11
5
CD SIGNAL

Sharp CD-C2800 Specifications

General

Brand	Sharp
Model	CD-C2800
Category	Stereo System
Language	English