DOWNLOAD Sharp XL-UR250H (serv.man3) Service Manual ↓ Size: 16.95 MB | Pages: 118 in PDF or view online for FREE

Model
XL-UR250H (serv.man3)
Pages
118
Size
16.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
xl-ur250h-sm3.pdf
Date
PREV: Sharp XL-UR250H (serv.man2) Service Manual

Sharp XL-UR250H (serv.man3) Service Manual ▷ View online

XL-UR250H
4 – 4
7
8
9
10
11
12
Figure 4: CD BLOCK DIAGRAM (2/2)
XL-UR250H
5 – 1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Waveforms Of Servo Circuit
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
IC1
FOO
TRO
1
9
10
2
9
13
DMO
FOO
9
13
FOO
DMO
TEI
RFO
FOO
9
6
89
9
FOO
6
TEI
9
FOO
DMO
LPFO
TMAX
13
76
74
67
66
65
BCKI
AIN
LRCKI
89
RFO
7
8
6
1
4
5
1
6
1
4
1
6
1
9
10
11
5
XL-UR250H
5 – 2
IC3
IC3
IC3
IC3
IC3
IC1
IC3
IC3
IC3
TXD1
USB_REQ
D +
D -
RESET
88
87
89
1
80
79
71
92
93
RXD1
12
14
15
18
17
16
IC7
IC7
9
10
22
IC7
12
23
21
13
19
20
AIN
BCKI
LRCKI
SDTO
LRCK
SCLK
XL-UR250H
5 – 3
[2] IC Voltage
PIN VOLTAGE
PIN VOLTAGE
PIN VOLTAGE
PIN VOLTAGE
PIN VOLTAGE
PIN
VOLTAGE
1
3.2
51
3.3
1
-26.9
55
-29.0
1
3.3
1
0.0
2
3.2
52
3.1
2
-26.9
56
-29.4
2
3.3
2
0.0
3
0.0
53
3.3
3
-26.9
57
-27.0
3
1.8
3
1.7
4
0.0
54
3.3
4
-26.9
58
-2.0
4
0.0
4
1.7
5
0.0
55
3.1
5
3.2
59
-27.0
5
0.0
5
3.3
0
.
0
6
0
.
7
2
-
0
6
9
.
0
6
2
.
3
6
5
3
.
1
6
7
.
1
7
0
.
7
2
-
1
6
2
.
2
7
2
.
3
7
5
0
.
0
7
8
0.0
58
3.2
8
1.6
62
-27.0
PIN VOLTAGE
8
1.7
9
0.0
59
3.2
9
0.0
63
-27.0
1
5.6
9
0.0
10
1.6
60
3.2
10
0.0
64
-27.0
2
0.6
10
3.3
0
.
0
1
1
9
.
3
3
3
.
3
1
1
3
.
3
1
6
0
.
1
1
1
3
.
3
2
1
5
.
1
2
1
2
.
3
2
6
4
.
2
2
1
6
.
1
3
1
E
G
A
T
L
O
V
N
I
P
5
.
1
3
1
0
.
0
3
6
5
.
1
3
1
14
0.0
64
0.0
14
0.0
1
21.0
PIN VOLTAGE
14
1.7
15
1.6
65
0.0
15
-14.0
2
-21.0
1
5.1
15
0.0
16
3.2
66
3.2
16
-28.7
3
9.7
2
0.0
16
0.0
17
3.2
67
3.1
17
-28.9
4
-9.7
3
18.0
18
1.3
68
0.0
18
-28.8
5
-44.0
4
0.0
19
0.0
69
0.0
19
-28.4
6
-44.0
5
17.2
PIN
VOLTAGE
20
3.2
70
3.2
20
-28.3
7
0.0
6
10.0
1
5.1
21
0.0
71
3.3
21
-28.3
8
0.0
7
8.5
2
0.0
0
.
5
3
0
.
0
9
6
.
5
2
-
2
2
1
.
3
2
7
0
.
0
2
2
0
.
0
4
0
.
0
0
1
6
.
0
1
-
3
2
7
.
0
3
7
0
.
0
3
2
24
0.0
74
3.2
24
-29.6
11
0.0
PIN VOLTAGE
5
5.0
25
0.0
75
3.2
25
-29.3
12
0.0
1
4.6
6
5.0
26
0.0
76
3.2
26
-29.3
13
0.0
2
4.6
7
5.0
27
0.0
77
0.0
27
-27.0
14
0.0
3
4.7
8
9.6
28
3.3
78
0.0
28
-29.3
15
0.0
4
4.7
29
3.3
79
0.0
29
-19.1
16
0.0
5
4.7
30
3.3
80
0.0
30
-19.1
17
0.0
6
4.7
31
3.3
81
3.2
31
-21.6
18
0.0
7
4.7
32
3.3
82
3.2
32
-22.2
19
0.0
8
4.7
6
.
4
9
0
.
7
2
-
3
3
3
.
3
3
8
3
.
3
3
3
7
.
4
0
1
3
.
9
2
-
4
3
3
.
3
4
8
0
.
0
4
3
35
3.3
85
3.3
35
-27.0
PIN VOLTAGE
11
4.6
36
3.3
86
3.2
36
-15.0
1
17.9
12
4.7
37
3.3
87
0.0
37
-17.4
2
0.0
13
4.7
38
0.0
88
0.0
38
-26.9
3
5.2
14
4.7
7
.
4
5
1
9
.
6
2
-
9
3
0
.
0
9
8
0
.
0
9
3
0
.
0
6
1
3
.
9
2
-
0
4
0
.
0
0
9
0
.
0
0
4
41
0.0
91
3.3
41
-24.5
PIN VOLTAGE
17
0.0
42
0.0
92
0.0
42
-26.9
1
5.1
18
4.7
43
0.0
93
3.3
43
-26.9
2
0.0
19
4.7
44
1.1
94
3.3
44
-24.5
3
3.3
20
0.0
0
.
0
1
2
0
.
7
2
-
5
4
3
.
3
5
9
2
.
1
5
4
0
.
0
2
2
0
.
7
2
-
6
4
0
.
0
6
9
0
.
0
6
4
47
3.2
97
0.7
47
-27.0
PIN VOLTAGE
23
4.7
48
0.0
98
3.3
48
-26.8
1
0.0
24
9.3
49
0.0
99
3.2
49
-27.0
2
0.0
25
0.0
50
0.0
100
0.0
50
-27.0
3
0.0
26
4.7
7
.
4
7
2
6
.
4
2
-
1
5
7
.
4
8
2
3
.
3
2
5
53
-29.0
54
-29.4
IC702
IC901
3
0
7
C
I
1
0
7
C
I
IC705
IC851
IC601
IC852
IC853
IC854
ICT21
IC602
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