Sharp GX-M10H (serv.man3) Service Manual ▷ View online
GX-M10H
4 – 3
Pin
No.
Voltage (V)
1
0.73
2
3.31
3
0.00
4
3.78
5
1.18
IC801
Pin
No.
Voltage (V)
1
9.92
2
21.63
3
5.17
4
-0.02
5
0.79
6
0.99
7
3.09
8
3.58
IC802
Pin
No.
Voltage (V)
1
4.98
2
0.09
3
0.74
4
0.05
5
1.25
6
5.07
7
5.04
8
3.35
IC803
Pin
No.
Voltage (V)
1
9.94
2
21.53
3
5.02
4
-0.07
5
0.80
6
0.92
7
3.09
8
3.59
IC804
Pin
No.
Voltage (V)
1
5.05
2
0.00
3
5.05
4
NC
5
3.32
IC805
5.05
5.07
4.24
0.00
0.00
1.74
3.16
12.06
0.00
4.24
0.11
2.97
0.68
0.68
0.01
-0.01
0.01
0.74
5.07
4.83
0.00
0.01
0.01
1.79
-0.01
0.00
0.00
B
E
Q552
Voltage (V)
Q553
Voltage (V)
Q554
Voltage (V)
Q591
Voltage (V)
Q593
Voltage (V)
C
TRANSISTOR
TERMINAL
Q492
Voltage (V)
Q493
Voltage (V)
Q494
Voltage (V)
Q551
Voltage (V)
CD / Servo section
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
3.33
19
2.80 m
37
1.14
55
1.67
73
1.65
91
3.10 m
109
3.28
127
0.10 m
2
4.10 m
20
3.34
38
1.14
56
1.67
74
0.82
92
3.34
110
3.33
128
3.33
3
4.00 m
21
3.34
39
1.13
57
1.67
75
0.81
93
3.10 m
111
4.90 m
129
0.10 m
4
3.90 m
22
4.30 m
40
1.14
58
1.67
76
422.70 m
94
1.67
112
4.90 m
130
2.80 m
5
3.90 m
23
3.34
41
1.14
59
1.67
77
2.90 m
95
1.67
113
3.33
131
3.33
6
4.00 m
24
4.40 m
42
1.13
60
1.67
78
3.32
96
1.21
114
3.33
132
4.00 m
7
3.34
25
3.34
43
1.14
61
6.10 m
79
3.33
97
3.34
115
0.43
133
4.00 m
8
1.21
26
3.34
44
1.14
62
3.31
80
3.31
98
3.40 m
116
1.66
134
3.33
9
2.80 m
27
1.42
45
3.34
63
5.90 m
81
3.70 m
99
3.30 m
117
1.56
135
1.67
10
3.33
28
3.34
46
2.90 m
64
3.32
82
3.70 m
100
3.30 m
118
5.50 m
136
1.09
11
3.32
29
3.34
47
1.20
65
1.65
83
3.70 m
101
1.20
119
1.42
137
344.80 m
12
3.32
30
2.91
48
1.67
66
1.73
84
3.80 m
102
3.30 m
120
3.33
138
1.65
13
4.00 m
31
2.55
49
1.67
67
1.58
85
3.80 m
103
3.34
121
1.20
139
4.00 m
14
3.90 m
32
3.34
50
1.67
68
1.79
86
3.90 m
104
3.23
122
3.30 m
140
4.00 m
15
4.00 m
33
396.50 m
51
1.67
69
1.02
87
1.20
105
3.22
123
0.40 m
141
4.00 m
16
3.33
34
3.26
52
3.90 m
70
1.21
88
3.33
106
3.30
124
3.33
142
4.00 m
17
3.33
35
3.34
53
1.67
71
1.19
89
1.53
107
3.21
125
3.33
143
4.00 m
18
3.34
36
2.90 m
54
1.67
72
1.65
90
1.48
108
3.21
126
0.30 m
144
4.00 m
IC1 (MN6627992AB)
GX-M10H
4 – 4
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
3.33
10
4.00 m
19
2.90 m
28
2.70 m
37
3.34
46
2.70 m
2
4.00 m
11
4.00 m
20
4.00 m
29
3.33
38
1.42
47
4.00 m
3
3.33
12
2.80 m
21
4.00 m
30
4.10 m
39
3.33
48
4.00 m
4
4.00 m
13
4.00 m
22
3.90 m
31
3.34
40
433.10 m
49
3.33
5
4.00 m
14
3.34
23
4.00 m
32
4.20 m
41
2.80 m
50
4.10 m
6
2.80 m
15
3.33
24
3.33
33
4.20 m
42
4.00 m
51
4.10 m
7
4.00 m
16
3.33
25
4.00 m
34
3.34
43
3.34
52
2.80 m
8
4.00 m
17
3.32
26
4.00 m
35
3.33
44
4.10 m
53
4.00 m
9
3.33
18
3.32
27
3.34
36
435.60 m
45
4.10 m
54
2.80 m
IC6(EM638165 SDRAM)
Pin
No.
Voltage (V)
1
0.40 m
2
5.26
3
48.30 m
4
0.50 m
5
319.30 m
6
3.29
7
378.60 m
8
4.31
9
5.26
10
3.29
IC5(TPS2561D)
Pin
No.
Voltage (V)
1
3.80 m
2
3.33
3
385.10 m
4
418.20 m
5
437.10 m
6
3.33
7
3.4m
8
3.33
IC3(MF1337S395)
Pin
No.
Voltage (V)
1
2.57
2
2.90
3
2.33
4
2.80 m
5
3.26
6
0.41
7
3.33
8
3.33
IC7(W25Q16BV)
Pin
No.
Voltage (V)
1
0.66
2
0.30 m
3
0.30 m
4
0.30 m
5
3.00 m
6
0.40 m
7
0.40 m
8
3.21
IC4(TS3USB++)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
1.66
15
2.62
2
4.38
16
2.64
3
1.86
17
2.62
4
1.66
18
5.08
5
1.25
19
1.95
6
10.90 m
20
5.08
7
11.00 m
21
1.90 m
8
5.08
22
1.90 m
9
3.30 m
23
1.66
10
3.30 m
24
5.04
11
2.60
25
5.06
12
2.60
26
1.66
13
2.64
27
1.67
14
2.62
28
5.08
IC12 (SA5888)
GX-M10H
5 – 1
CHAPTER 5. FLOWCHART
[1] Troubleshooting
1. When the CD does not function
The CD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens, and
check the playback operation. When this section does not operate even after the above step is taken, check the
following items.
check the playback operation. When this section does not operate even after the above step is taken, check the
following items.
Remove the cabinet and follow the troubleshooting instructions.
"Track skipping and/or no TOC (Table Of Contents) may be caused by build up of dust other foreign matter on the
laser pickup lens. Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned
below."
laser pickup lens. Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned
below."
Turn the power off.
Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.
Do not touch the lens with the bare hand.
2. When a CD cannot be played
2.1. Pressing the CD operation key is accepted, but playback does not occur.
1) Focus-HF system check
2) Tracking system check
3) Spin system check
4) PLL system check
Parts code
1.
CD optical pickup Lens cleaner disc
UDSKA0004AFZZ
HOW TO USE
CAUTION
Cleaning fluid
Cleaner disc
Using the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the
brush on the CD cleaner disc which has the mark next to it.
Place the CD cleaner disc onto the CD disc tray with the brush side down, then
press the play button.
You will hear music for about 20 seconds and the CD player will automatically stop.
If it still play continuously, press the stop button.
1.
2.
3.
The CD lens cleaner should be effective for 30-50 operations, however if the
brushes become worn out earlier then please replace the cleaner disc.
If the CD cleaner brushes become very wet then wipe off any excess fluid with a soft
cloth.
Do not drink the cleaner fluid or allow it contact with the eyes. In the event of this
happening then drink and / or rinse with clean water and seek medical advice.
The CD cleaner disc must not be used on car CD players or on computer CD-ROM
drives.
All rights reserved. Unauthorized duplicating, broadcasting and renting this product
is prohibited by law.
GX-M10H
5 – 2
(1) Focus-HF system check.
Figure 2
Figure 3
48
49
IC1
IC1
1
FOP
TRP
Figure 1
Without inserting a disc, close the CD top cover and try starting
the playback operation.
the playback operation.
2. Does the focus (lens) move up and down ?
(Waveform drawing Figure 1)
(Waveform drawing Figure 1)
1. Is focus servo activated ?
(Waveform drawing Figure 2)
(Waveform drawing Figure 2)
2. Is the HF waveform normal ?
(Waveform drawing Figure 3)
(Waveform drawing Figure 3)
1. Does the pickup move to the PICKUP-IN Switch position ?
Sled motor.
Check the focus peripheral circuit.
Check the laser diode driver Q4 peripheral circuit.
Spindle motor.
If the level is not normal.
Pins 50, 51, 48, 49 (55 ~ 62) on IC1.
Check the laser diode driver Q4 peripheral circuit.
Check the laser diode driver Q4 peripheral circuit.
3. Is the laser lit ?
4. Is the turntable rotating ?
When a disc is loaded, start playback operation.
Although a CD is inserted and the cover is
closed, "NO DISC" is displayed.
closed, "NO DISC" is displayed.
Yes
Yes
Yes
Yes
No
No
No
No
No
No
2
48
138
IC1
IC1
1
FOP
TE
4
67
IC1
RFOUT
7
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