Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
RR 3200 CD / RR 3500 CD
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
RR 3200 CD / RR 3500 CD
GRUNDIG Service
GRUNDIG Service
3 - 11
3 - 12
GLEICHSPANNUNGEN BEI "PLAY" GEGEN MASSE (GND) GEMESSEN.
DC-VOLTAGES MEASURED AGAINST MINUS TERMINAL (GND) ON "PLAY".
DISPLAY / CONTROL
BOARD
PIN
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PIN
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PIN
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
V
-
0
3.4
3.7
3.5
3.4
3.8
3.8
3.7
2.6
2.5
2.5
3.7
3.7
3.7
3.4
3.7
3.7
3.7
3.7
3.7
3.7
3.7
3.7
V
-
3.7
2.5
2.6
3.3
3.7
4.2
0
3.8
3.7
3.7
7.4
0
-
0
4.8
V
-
0
0
0
5
0
3.8
0
4.7
0
0
1
2.5
2.5
2.5
5
2.5
2.5
2.5
3.9
2.6
2.5
0
0
V
-
-
-
-
2.5
4.5
0
3.2
1.7
6
0.1
-
7.4
1.7
1.7
1.7
VOLTAGES IC101 LA9210
IC101 LA9210
SERVO SIGNAL
PROCESSOR
PIN
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PIN
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PIN
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
V
2.5
2
2.5
3.7
5
-
0
0
5
1.3
-
-
-
-
0
5
5
-
-
-
1.6
3.3
0
5
V
2.1
2.5
5
0
-
4.8
5
5
5
5
0
5
-
5
-
-
V
0
0
-
0.2
0.1
0.1
0.1
-
0.1
0
-
0
-
5
0
0
5.4
5.4
2.5
2.5
2.5
2.5
2.5
2.5
V
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
-
2.5
VOLTAGES IC105 LC708031A
IC105 LC708031A
SYSTEM CONTROL
MICROPROCESSOR
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIN
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
V
-
2.1
2.1
2.5
0
2.4
2.4
2.6
-
0.6
0
0
0
2.7
4.7
0
V
4.3
1.7
5
0
4.9
0
0
5
0
0
0
0
0
0
1
1
V
2.5
2
1.3
2.5
1
2.5
2.5
1.6
2.5
0
2.5
0.1
0
0.1
2.5
0.2
V
2.5
1.5
0
0
0
5
5
0
0
2
2.5
0
0
0
2
1.9
VOLTAGES IC102 LC7861NE
IC102 LC7861NE
DIGITAL SIGNAL PROCESSOR
PIN 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
7.7
0
3.9
0
0
3.4 3.7 3.7 3.7 3.7 3.6
0
0
3.8 3.7 3.7
PIN 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
7.7
0
3.8
0
0
3.6 3.7 3.7 3.7
0
0
0
0
4.2 3.7 3.7
VOLTAGES
IC103 LA6531
VOLTAGES
IC104 LA6531
V
-
5
0
5
0
0.5
0
0
-
2.1
PIN
11
12
13
14
15
16
17
18
19
20
PIN
1
2
3
4
5
6
7
8
9
10
V
2.1
3.7
4.9
4.9
2.5
1.6
0
2.5
0
5
VOLTAGES
IC106 LC7881MF
CNS108
7.8V
3.9V
3.9V
3.9V
3.9V
3.9
3.9
12.5V
8.0V
0.3V
0V
0V
0.3V
0V
0V
1.5V
1.5V
8.0V
5.0V
5.0V
-0.3V
5.0V
4.9V
0V
3.7V
3.7V
3.2V
4.9V
4.9V
6.3V
7.0V
1.8V
CD
(RR 3200 CD / RR 3500 CD)
T
o Laser Head Board
CS1
Page 3-13
T
o Laser Head BD.
CS2
Page 3-13
T
o CD Motor BD.
CS3
Page 3-13
To CNS102
Page 3-4 (RR 3500 CD)
Page 3-8 (RR 3200 CD)
From CNP107
Page 3-4 (RR 3500 CD)
Page 3-8 (RR 3200 CD)
From CNP108
Page 3-3 (RR 3500 CD)
Page 3-7 (RR 3200 CD)
