Grundig RR 630 CD Serviceanleitung Seite 16

Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
CD-Teil / CD Part
0.0V
3.44V 4.0V
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3
4
5
6
36 35 34 33 32 31 30 29 28 27 26 25
37
38
39
IC701 CXA2542Q
40
RF SERVO AMPLIFIER
41 AT CD PLAY / PAUSE / STOP CONDITIONS
PIN PLAY
42
NO. V-OUT
43
16 1.27
44
17 5.08
40 0.012
45
41 2.56
46
43 2.55
47
46 2.54
48 2.51
48
1 2 3
3 - 7
RR 630 CD / RR 660 CD
5.11V
7.2V
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6.4V
IC702 KA9285D
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15
IC BLOCK DIAGRAM
to Page 3 - 23
24
IC BLOCK DIAGRAM
to Page 3 - 24
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22
21
20
PAUSE STOP
19
V-OUT V-OUT
18
1.27 1.27
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5.08 5.07
0.066 0.061
16
2.54 2.54
15
2.55 2.54
14
2.54 2.54
2.61 2.61
13
4 5 6 7 8 9 10 11 12
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
FUNCTION BOARD
CN303 Page 3 - 15/17
AF PART
2
CN210
1
Page 3 - 14
IC 702 KA9258D 3 2 1
4 CH MOTOR DRIVER
AT CD PLAY CONDITION
PIN NO. V-OUT
1 3.34
0.0V 2 3.18
3 2.36
4 2.55
5 6.65
6 5.10
7 1.11
5.1V
8 0.00
9 0.64
10 0.64
11 3.61
12 3.60
13 0.00
14 7.12
15 0.00
16 1.71
17 3.45
18 3.47
19 2.62
20 2.53
21 7.37
22 7.16
23 2.54
24 2.54
25 2.53
26 3.76
27 3.00
28 0.00
1
2
3 IC703 CXP401
4
4 BIT MICROPROCESSOR
5
6 AT CD PLAY & PAUSE CONDITIONS
7
PIN NO. PLAY V-OUT PAUSE V-OUT
8
9 7
10
29
11
12 43
13
44
14
15 71
16
72
17
18 89
19
97
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101
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102
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104
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110
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4.3V 0.9V
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2.37V
4.16V
1.5V
4.3V
IC BLOCK DIAGRAM
to Page 3 - 23
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5.10 5.09 76
75
5.04 5.06
74
0.00 0.00 73
72
5.09 5.09
71
0.00 0.00 70
69
5.09 5.09
68
3.57 3.57 67
66
5.07 5.07
65
0.00 0.00
64
63
5.09 5.09
62
2.42 2.42
61
60
2.57 2.57
59
5.07 5.07
58
57
RR 630 CD / RR 660 CD
KEY BOARD
CN601 Page 3 - 19/20
1 2 3 4 5 6 7 8 9 10
3.5V
4.3V
KEY BOARD
CN605
Page 3 - 19/20
2.87V
0.0V
0.0V
6
5
KEY BOARD
4
3
CN602
2
Page 3 - 19/20
1
CD DOOR SWITCH
GRUNDIG Service