Sharp XL-520W Service Manual page 23

CD LID SWITCH PWB-A7
SW701
CD EJECT
4
R783 1K
R782 1K
R781 1K
R780 1K
R779 1K
R778 1K
R777 10K
R776 1K
R775 1K
R774 1K
R773 1K
R772 1K
R771 1K
R770 1K
R769 220
R768 220
R767 1K
R766 1K
R765 1K
+B
+B
+B
R821
18K
C824
R822
0.056
330
(ML)
C825
0.039
(ML)
5
FEL2
14 VR803
100K(B)
FEL1
13
R825
FHLD 470K
+B
12
C826
1/50
FEI
11
C827
R827
470P
FEO 150K
10
R828
2.7K
FEN
9
+B
R837
2.7K
FEP
8
DFIN
7
SBAD
6
RFRP
5
2VRO C831 C847
4
100P
0.056
+B
(ML)
VRO
+B
3
RFI
2
C828
C832
0.056
47/16
RFO (ML)
1
C829
C833
8
3.9P
220/10
JACK PWB-B4
C830
47P
+B
R829
C834
470
0.056(ML)
R838
12K
TP801
3 2 1
• The numbers 1 to 17
7
M 12V
D GND
VCL
VCE
VDI
CL
DO
CE
DI
VSM
+B
CD STB
SRS1
SRS2
BUS3
BUS2
BUS1
BUS0
µ-CON5V
PU IN
BIAS
B-CAN
REC
MOT
SOL
P.F
RUN PLS
CAM-SW
R-MUTE
BUCK
CCE
CD RES
DATA
SD
STEREO
CD+B
P CONT
A 12V
P MUTE
+B
D718
IN4004S
+B +B
C864
0.022(ML)
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
2VREF
41
R832 FOCUS
42 SEL
15K TRACKING
43 FCSI
SERVO
CONTROL
44 FKIC
R833
8.2K 45 FEL2
46 FEL1
47 FEI
SERVO
48 TESH
STATUS
49 TEOF
50 SBAD
51 RFRP
C841
VREF
52
0.0047
53 RFI
16K RAM
C842
54 GNDA
0.0033
55 DTSC2
C843
56 MONIT
0.0033
57 DTSC1
+B R841
58 VDDA CORRECT
1K
59 PDCNT
60 PDO
R842
61 TMAX
10K
R844
62 LPFN
220K
R843
AUDIO OUT
LPFO
47K 63
R845
64 VCOF
2.2M
R846
C848
65 66 67 68 69 70 71 72 73 74
33K
0.01
IC802
C849
TC9284BF
0.01
L802
1 3 3 3
0.82µH
2 2 2 2
3 1 1 1
C852
0.0022
(ML)
are waveform numbers shown in page 30.
8
Figure 23 SCHEMATIC DIAGRAM (4/4)
CD SIGNAL
+B
+B
+B
D801
IN4004S
REGULATOR
Q861
2SD468C
R866
82
R867
10
C861
10/16
PU IN
+B
+B
CLCK
24
C856
SUBD 23
270P
SUBSYC 22
RST 21
PFCK 20
BUCK 19
CCE 18
BUS3
17
BUS2
16
BUS1 15
BUS0 14
R881
GNDD
13
220
VDDD
12
+B
SBOK
11
TEST5 10
9
TEST4
TEST3 8
GNDA 7
6
LO
5
LO
+B
VDA 4
RO 3
RO 2
GNDA 1
75 76 77 78 79 80
IC802: SERVO/
SIGNAL CONTROL
+B
C854
C865
18P
0.022
(CH)
(ML)
X801
16.9344MHz
C855
15P(CH)
9 10
– 23 –
+B
+B
SWITCHING
C887
0.022
R905
10K
C885
C886
0.0022 0.0022
R904
2
390
1
R887 R888
1.8K 1.8K
3
C883
C884 C902
10/16 10/16
3.3/25
R885 R886
4.7K
4.7K
7 6 5 4 3 2 1
7 6 5 4 3 2 1
7 6 5 4 3 2 1
TAPE MECHANISM
PWB-C
C850
0.022
CD SERVO PWB-A2
11
XL-520W/CP-520
CNS603
M 12V
1
D GND
2
VCL
3
VCE
4
VDI
5
CL
6
DO
7
CE
8
DI
9
10
M GND
20
+B S+6.2V
19
A GND
18
R-CH
17
L-CH
16
P MUTE
15
A 12V
+B
14
P CONT
13
CD+B
12
R-MUTE
11
FM ST
10
SD
9
REC
8
B-CAN
7
BIAS
6
5
4
3
SRS1
2
SRS2
1
CNS602
+B
+B
R908
47K
1
D903
1SS133
2 3
Q906
KRA102M
R907
10K
Q905
R906
2SB562C
1.5K
D902 2
1SS133
1
C903
100/25 3
R902
56K
R901
1.5K
2
1
D901
1SS133 3
C901
0.001
BI901
CNW901
CNP901
SW902
CAM
FW901
SW901
PH901
RECORD
PREVENTION
+ –
M
SOL901
SOLENOID
M901
12