Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
4 - 4
GRUNDIG Service-Technik
4 - 4
GRUNDIG Service-Technik
Netzteil / Power Supply (MSM1)
Ansicht von der Bestückungsseite / View of Component Side
2
3
4
5
1
1.3V
1.7V
1.3V
9.2V
0.3V
0.1V
1.7V
COLD GND
HOT GND
VOLTAGES ARE MEASURED IN RECORD MODE
MSM1(SPH)_9310
N.A. 9318
to Pos 7210
Pin 4
to Pos 7210
Pin 5
.. OSCILLOGRAMS
to Trafo
to Trafo
to Trafo
2108 A 5
2107 B 4
2105 A 4
2103 B 3
2101 A 3
1101 B 2
3127 F 7
3126 G 7
3125 F 8
3124 E 1
3123 D 3
3122 C 3
6110 A 6
5103 A 4
3132 E 6
3131 E 7
3130 D 7
3129 C 7
6116 D 7
6115 F 7
6114 D 7
6113 A 6
6112 B 6
6111 A 6
7105 D 2
2117 H 7
2116 C 8
2115 F 5
2114 F 6
2113 B 8
2112 B 7
3104 C 3
3103 C 3
3102 B 3
2121 I 7
2119 G 8
2118 E 1
3121 E 1
3120 F 2
3119 C 6
3112 B 6
3109 A 6
3106 A 5
4
5
1
6
7
8
2
3
G
F
E
J
D
C
B
A
I
H
G
F
E
J
D
C
B
A
I
H
4
5
1
6
7
8
2
3
1N4148
6116
1N5062
6111
1N5062
61
12
1N5062
61
10
1N5062
61
13
1N4148
6115
1N5062
61
14
2121
100n
21
17
100n
2115
220n
21
16
10n/400V
100n
2108
470p
2105
470p
2107
470p
2103
100n
2101
470p
21
13
21
19
1n
2118
1n8
31
12
33k
3131
4E7
3132
100E
470E
3104
3130
47k
3127
33E
31
19
33k
3125
220E
3129
47k
3E3
3109
3M9
3103
3M9
3102
2M2
3106
3126
10k
3120
220E
3124
3k3
3121
3k3
3122
270k
3123
680k
1101
T2A
2
1
AC
230V
7105
SPH4690
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
G
D
S
VSt
V2B
impulse
VGA
ref.
starting
primary
current
Vu
amplifier
typ. 3V
VG min
voltage
protection
regulating
low voltage
& overload
generator
Vref
VG max
comparator
reproducer
supply
monitor
voltage
VGE
VR
output stage
detector
transit
current
limit
zero
and
logic
stop
CAUTION : LETHAL POTENTIALS AT PRIMARY
DO NOT OPERATE WITHOUT CASE
ISOLATION TRANSFORMER WHEN SERVICING
HOT CIRCUIT , BE CAREFUL AND USE AN
21
12
68u/385V
21
14
47u/25V
5103
2x47m
Netzteil / Power Supply (MSM1)
Primärseite mit SPH4690 / Primary Side with SPH4690
31
03
1
03
3
85
60
82
03
1
70
5
91
0.
2
M S
M 1
1
1
A
B
A
B
1
234
5
1
234
5
11
01
A
5
21
01
A
4
21
03
A
4
21
05
B
5
21
07
B
4
21
12 A
4
21
13 A
2
21
14 B
3
21
15 B
4
21
16 A
3
21
18
B
4
21
19
A
3
21
20
A
3
21
21
B
3
22
01
B
2
22
06
A
1
22
07
A
1
22
09
A
1
22
10
A
1
22
11
A
1
2
214
B
2
2
215
B
2
2
217
B
3
3
102
A
5
3
103
A
5
31
06
B
5
31
09
B
5
31
12
B
5
31
19
B
5
31
20
B
4
31
22
B
4
31
23
A
4
31
24
B
3
31
25
B
3
31
26
B
3
31
28 B
3
31
29 A
3
31
30 A
3
31
31 B
4
31
32 B
4
32
02
B
1
32
03
B
1
32
04
B
1
32
05
B
2
32
06
B
3
32
08
B
3
32
09
A
2
32
10
B
1
51
03
A
5
51
14
A
2
5
204
A
1
5
207
B
2
5
209
B
1
5
210
B
1
6
110
A
4
61
12
B
4
61
13
B
4
61
14
A
3
61
15
B
3
61
16
B
4
62
03
A
2
62
04
A
2
62
06
A
2
62
09
B
2
62
10
B
2
71
10
B
4
71
35
B
3
72
10
B
3
72
53
B
2
90
01
B
4
90
04
B
2
90
05
B
2
90
06
A
1
90
07
B
2
90
08
A
3
S
M
11
1 B
1
8203 170 5912.
1
T 2
A
MSM1
2 2 0 6
22
09
62
04
2
1
1
3
21
12
6 1 1 4
2
1
0
3
31
03
31
04
2 2 0 7
3 2 0 2
5
2
0
3
5 2 0 4
90
06
3 2 0 3
32
04
32
09
3 2 1 0
5
2
0
7
62
01
62
03
62
06
9 0 0 3
62
10
62
09
2 2 0 4
2 2 1 0
22
11
2 2 1 2
32
01
2
2
0
1
51
14
71
10
90
08
71
35
71
05
31
21
3 1 2 5
3 1 2 7
3 1 2 9
3 1 3 0
61
11
61
12
61
13
21
14
21
15
2 1 1 6
2 1 1 9
2 1 2 0
3 1 2 3
3 1 2 0
21
01
31
02
5 1 0 3
6
110
1
1 1 0 1
SM1 1 1
5
2
0
9
52
10
9 0 0 4
9 0 0 5
2
2
1
4
72
53
90
07
72
10
22
17
3 2 0 6
3 2 0 7
32
08
2
2
1
5
3 2 0 5
6 1 1 5
61
16
90
01
90
09
31
26
31
28
31
31
31
32
31
24
2 1 1 7
21
21
31
22
2 1
0 7
21
08
2 1 1 8
31
06
31
09
31
12
31
19
2 1
0 5
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