Sharp XL-520H Service Manual page 23

CD LID SWITCH PWB-A7
SW701
CD EJECT
D718
RL104AL
+B
+B
+B
2
R803
0K(B)
R832
15K
825
R833
70K
+B
8.2K
6
C827
470P
R828
2.7K
+B C841
R837
2.7K 0.0047
C842
0.0033
C843
0.0033
+B R841
10K
R842
C831 C847
1K
100P
0.056
+B R844
220K
R843
+B
47K
R845
2.2M
C832
8
47/16
56
R846
C848
33K
0.01
9
C833 C849
P 0.01
220/10
JACK PWB-B4
+B
C834
0.056
1
2
3
TP801
3 2 1
• The numbers 1 to 17
7
CD SIGNAL
M 12V +B
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
CLE
CD+B
P CONT
A 12V +B
P MUTE
D801
RL104AL
REGULATOR
Q861
2SD468C
+B
+B +B
C861
10/16
C864
0.022
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
41 2VREF
42 FOCUS
SEL
TRACKING
43 FCSI
SERVO
CONTROL
44 FKIC
45 FEL2
46 FEL1
47
FEI
SERVO
48 TESH
STATUS
49 TEOF
50 SBAD
51 RFRP
VREF
52
53 RFI
16K RAM
54 GNDA
55 DTSC2
56 MONIT
DTSC1
57
58 VDDA CORRECT
59 PDCNT
60 PDO
TMAX
61
62 LPFN
AUDIO OUT
63 LPFO
64 VCOF
65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
IC802
TC9284BF
C854
L802
3
3 3
0.82µH
2 2 2
X801
1 1 1
C852
0.0022
15P(CH)
are waveform numbers shown in page 28.
8
Figure 23 SCHEMATIC DIAGRAM (4/4)
+B
R866
82
R867
10
PU IN
C887
0.022
+B
C885
0.0022
R887
1.8K
C883
10/16
R885
4.7K
+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
8
TEST3
GNDA 7
LO 6
LO 5
+B
VDA 4
C850
3
RO
0.022
2
RO
GNDA 1
80
IC802: SERVO/
SIGNAL CONTROL
+B
C865
18P
0.022
(CH)
C855
CD SERVO PWB-A2
9 10
– 23 –
XL-520H,520E/CP-520,520E
+B
+B
+B
+B
+B
R908
47K
1
SWITCHING
2
Q906
KRA102M
R907
10K
Q905
2SB562C
D902
1SS133
C903
R905
100/25
10K
R902
56K
C886
0.0022
R904
2
390
1
R888
1.8K
3
D901
1SS133
C884 C902
10/16 3.3/25
R886
4.7K
7 6 5 4 3 2 1
7 6 5 4 3 2 1
7 6 5 4 3 2 1
SW901
PH901
RECORD
PREVENTION
TAPE MECHANISM
PWB-C
11
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
14
P CONT
13
CD+B
12
R-MUTE
11
FM ST
10
SD
9
REC
8
B-CAN
7
BIAS
6
RDS CLE
5
4
3
2
1
CNS602
D903
1SS133
3
R906
1.5K
2
1
3
R901
1.5K
2
1
3
C901
0.001
BI901
CNW901
CNP901
SW902
CAM
FW901
+ –
M
SOL901
SOLENOID
M901
12