Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GRUNDIG Service-Technik
4 - 7
GRUNDIG Service-Technik
4 - 7
Netzteil / Power Supply (MSM)
Primärseite mit TDA4605-3 / Primary Side with TDA4605-3
8
7
MSM1
1
2
3
5
4
6
MSM2
MSM1,2 (TDA) 9322
AN 9323
HEHI
HELO
Pin 15
Pin 16
to Trafo
3.6V
2.5V
4.3V
5.4V
9.4V
6.3V
1.3V
11.5V
0.4V
1.7V
GNDA
+14A
-28V
+14M1
+8M2
GNDM2
GNDM1
+33V
+5A
HEHI
+5A
HELO
+5V2D
GNDD
GNDA
COLD GND
HOT GND
to Deckelectronic 1914
OSCILLOGRAMS
3209
3E3
9011
5207
10u
0.33u
5204
5207
22u
22u
5210
33u
5203
22u
5209
3211
3E3
3209
4E7
12k
3210
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
470E
3203
390E
3207
3206
1k0
680E
3205
3126
10k
3120
220E
3124
3k3
3121
3k3
3122
270k
3123
680k
220E
3208
221
1
47n
2211
1n
2121
100n
21
17
100n
2115
220n
21
16
10n/400V
100n
2108
470p
2105
470p
2107
470p
2103
100n
2101
470p
21
13
100n
2217
21
19
1n
2118
1n8
221
1
22n
47n
2210
21
12
68u/385V
47u/50V
2201
680u/25V
2204
680u/25V
2206
680u/25V
2207
47u/50V
2209
680u/16V
2214
680u/16V
2215
21
14
47u/25V
22n
2210
SM111 E16
9011 F11
9010 G10
7253 J11
7210 J 8
7135 F 6
7110 E 3
6210 G10
6206 D11
6204 D11
6203 C11
6201 A11
6116 E 7
6115 G 7
6114 E 8
6113 B 7
6112 B 7
6111 B 6
6110 B 6
5210 G13
5209 G13
5207 F11
5204 D12
5203 C12
5114 A 9
5103 B 4
3210 I13
3209 G11
3208 I11
3207 J13
3206 I12
3205 I12
3204 I13
3203 H12
3132 F 7
3131 F 7
3130 D 7
3129 D 7
3127 F 8
3126 H 7
3125 G 8
3124 F 2
3123 D 3
3122 D 3
3121 E 2
3120 G 2
3119 D 6
3112 C 6
3109 A 6
3106 B 5
3104 C 3
3103 D 4
3102 C 4
2217 I12
2215 G11
2214 G11
2212 F12
2211 F12
2209 E11
2207 C11
2206 D11
2204 C11
2201 B11
2121 J 7
2119 H 8
2118 F 2
2117 I 7
2116 D 8
2115 G 6
2114 G 7
2113 C 8
2112 C 7
2108 B 5
2107 C 4
2105 B 4
2103 C 3
2101 B 3
1101 C 2
4
5
1
6
7
8
9
10
11
12
13
14
15
16
2
3
H
G
F
K
E
D
C
B
A
J
I
H
G
F
K
E
D
C
B
A
J
I
4
5
1
6
7
8
9
10
11
12
13
14
15
16
2
3
1N4148
6116
1N5062
6111
1N5062
61
12
1N5062
61
10
1N5062
61
13
BYD73C
6201
MUR410
6203
MUR410
6204
BYD73C
6206
UG06
6115
SB340
6210
1N5062
61
14
BUZ90A
7135
TDA4605-3
7110
1
2
3
4
5
6
7
8
tda4605
VSt
generator
V2B
VGA
ref.
reproducer
comparator
Vu
amplifier
typ. 3V
VG min
voltage
protection
regulating
low voltage
& overload
Vref
impulse
supply
monitor
voltage
VGE
starting
primary
current
VG max
output stage
detector
transit
current
limit
zero
and
logic
stop
VR
1101
T2A
2
1
AC
230V
SM111
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SMPOWERTRANS
5114
10
11
12
13
14
15
16
17
18
3
4
6
7
8
9
7253
TL431
1
2
3
TL
431
7210
CNX82A
1
2
3
4
5
6
CAUTION : LETHAL POTENTIALS AT PRIMARY
DO NOT OPERATE WITHOUT CASE
ISOLATION TRANSFORMER WHEN SERVICING
HOT CIRCUIT , BE CAREFUL AND USE AN
470E
3204
5103
2x47m
