Sharp XL-505H Service Manual page 22

XL-505H,505E,507E/CP-505,505E,507
A
LED PWB-A4
R704A R702A
120 120
R704B
120
B
1 2
FW701
1 2
C
D720
+B
1SS133
R70C
3.3K
C711
3.3/50
2
3
Q701
KRC102 M 0V
1
4.9V
C710
0.01
+B
D
+B
18 17 16 15 14 13 12 11 10
+
E
+
+ –
19 20 21 22 23 24
+B
R875
10K
F
+
M801
M
SLED
–
M802 M
SPINDLE
SW801
PU-IN
TR+
FO+
G
FO–
TR–
ACTUATOR
C4A
1/2VCC VR1A
C
F
B
A
E
GND
C3A
MON
LD C2A
VCC
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 27.
1
DISPLAY PWB-A3
STOP
/CLEAR
SW714
PRESET
R717
UP
3.9K
SW713
PRESET
R718
DOWN
2.7K
SW712
MEMORY
R719
/SET
1.8K
SW711
REC
R720
/PAUSE
1.8K
SW710
ON/
STAND-BY
SW718
R721 R722
10K 10K
+B
+B
+B
+B
+B D722
1SS133
R70M
100
Q702
ZD701
KTC3199 GR
UZ3.3BSB RX701
+B 5.7V
4.9V R70H
D723
10K
1SS133
0.35V
R70K
C715
120
2 3 1
R70J
100/10
10K
C716
1.1V
C714 47/16
0.34V 470P
Q703 C713
KTC3199 GR 10/16
Q707
KTA1266 GR
10.7V 10.8V
R798 Q706
47K KRC102 M
10V
0V
2
R799
2.2K 1
+B
C871
330/10
9 8 7 6 5 4 3 2 1
+
–
– – + + – – +
T.S.D
+ –
– +
–
STAND
+ – – +
-BY
GND
VCC
25 26 27 28 29 30 31 32 33 34 35 36
CD STB FMSO
TS2O
R873
4.7K
DMEO
FSO
R874
10K
SP+ SP+
6 6 6
SP- SP-
5 5 5
SL+
SL+
4 4 4
+
SL– SL–
3 3 3
PU-IN PU-IN
–
2 2 2
GND GND
1 1 1
TR– TR-
1 1 1
TR+ TR+
2 2 2
FO+
FO+
3
3 3
FO–
FO-
4 4 4
GND
GND
5 5 5
PD PD
6 6 6
VR VR
7 7 7
LD R818
LD
8 8 8
18
R80E
82K
C R80B
1 1 1
82K
F R80A
2 2 2
82K
B
3 3 3
A R80C
4 4 4
82K
E R80F
5 5 5
82K
1/2V
6 6
6
+5V
7 7 7
2
Figure 22 SCHEMATIC DIAGRAM (3/4)
LCD
LCD701
FUNCTION
SW707
R708
BAND
5.6K
SW706
R724 R725
47K 47K
X-BASS/
R709
EQUALIZER
3.9K
SW705
+B
+B R726
+B
R710
VOL UP
1K
2.7K
SW704
10
X701
R711
11
VOL DOWN
1.8K
SW703 12
X702
13
PLAY/
C702
R712
14
CD PAUSE/
(CH)
22P
1.8K
TUNING UP
15
R728 1K
16
R730 1K
SW702
17
R731 1K
18
R732 1K
19
20
R729
21
10K
R713
22
10K
23
+B
24
25
µ-COM VDD
+B
µ-CON+5V
+B
SYS STOP
REMOCON
RESET
Q705
KRA102 M
R70N
Q704
10
0.6V
2SD468 C R709
(Fusible)
1K
+B
3 2
4.8V
11.2V
5V 1
6.3V
R735
R70R
100 47K
R736 47K
ZD702
UZ6.2BSC
R737 47K
R738 47K
R739 47K
+B
P CONT
+B
LED+B
3 M 12V
C704
µ-CON+5V
0.022
3.2V
0V
GND
+B
+B
C811
22/16
R817
15K
C810
0.1
R816
47K
R814
1M
R810
2.2K
R809
C807
100K
(ML)
0.22
Q801
2SA1015 GR
+B
R801
22
C802
100/10
TRACKING
ERROR
BALANCE
R80G
82K
PD
LDO
3 4
– 22 –
1 2 3 4 5 6 7 8 9 15
10 11 12 13 14 16
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
100
1
2
3
COM1
4
COM0
5 VLC3
6 VLC2
7 VLC1
8 VDD
9 OSC2
OSC1
VSS
IC701
XI
IX0189AW
XO
SYSTEM MICROCOMPUTER
MMOD
VREF
AREA
KEY1
KEY2
POWER
VSM
F.P
RUN PLS
CAM SW
VREF+
26 27 28 29 30 31 32 33 34 35 36 47 48 49 40 41 42 43 44
+B
+B
+B
R820
33K
+B
R823
100K
C812
C822
10/16
47/16
24 23 22 21 20 19
DFCT
25
(ML)
FMSO
26
R819
4.7K
FMSM
27
FMSP
28
THLD
29
TS2O
30
R813
TS2N
2.2K
31
C809
R812
TS2P
0.015
18K
32
R811
TS1N
27K
33
TS1P
34
TSO
35
TEL1
36
TEL2
37
TSN
38
R803
22K
39 40 42 43 44
41
TPO
R804
120K
F VR802
100K(B)
B
A
E
LDO
PD
5
1 1
17 18 19 20 21 22 23 24
2 2
75
74
SEG27 73
R787 R788
SEG28
72
47K 47K
SEG29
71
SEG30
70
SEG31
69
N.C
68
N.C
67
N.C
66
N.C
65
SRS1
64
SRS2
63
R781 1K
BUS3
62
R780 1K
BUS2
61
R779 1K
BUS1
60
R778 1K
BUS0
59
R777 10K
CD STB
58
R776 1K
PU-IN
57
R775 1K
LID-SW 56
R774 1K
BIAS
55
R773 1K
B-CAN
54
R772 1K
REC
53
R771 1K
MOT
52
R770 1K
SOL
51
45 46 47 48 49 50
R767 1K
R766 1K
R765 1K
+B
C823
10/16
R821
18K
C824
R822
0.056
330
(ML)
C825
0.039
(ML)
16 15
18 17 VR803
100K(B)
FEL2
14
FEL1
FOCUS
OFFSET
13
R825
FHLD
470K
12
C826
FEI
1/50
11
FEO
10
R827
C827
150K
470P
9
FEN
R828
FEP
2.7K
8
R837
DFIN
2.7K
7
SBAD
6
RFRP
5
2VRO
4
C831
VRO
0.056 (ML)
3
C832
RFI
47/16
2
C828
0.056
RFO
(ML)
1
C833
46 47 48
45
220/10
C830
47P
R829
C834
470
(ML)
IC801 0.056
TA2065F R838
12K
SERVO AMP.
TSO
3 2
6