Main Part - Grundig DAVIO 55 T 55-4201 Top Service Manual

GRUNDIG Service
Hauptteil / Main Part
3.3V
R301
15k
C301
10n
SECAM AM
IF
R137
10k
T106
BC858
R143
47k
L/L'
R141
10k
AM_OUT
R144
L/L'
C172
10n
IF
TU101
TUNER
C104
C118
10n
47u/16V
R157
D103
12k
1N4148
R184
100k
HOTEL TV
SCL
SDA
CAB. 2A CAB. 3A
C308
R303
470n
15k
R302
R308
1.8k
1M
BC848
12.5V
R306
4.7R1.5W
C307
220u /25V
8V
10uH
L101
8V
C110
1n
R145
1.5k
D102
R146 BA682
1k
R150
47k
T107
R151
47k
BC848
T103
BC848
C117
1u/63V
47k
)
R158 R159
100R 100R
C174
4.7u /50V
C131
C102
10u/63V
10n
C128
C129
47p
47p
1 16
+INA +INB
2 15
NC NC
C302
2.2n
3 14
-INA -INB
4 13
GND GND
5 12
GND GND
6 11
OUTA OUTB
7 10
R304
NC NC
4.7R
8 9
VCC NC
TDA2822
C304
IC301
100n
C121 R155
47n 100R
47u/16V
R152
R154
6.8k
2.2k
K9656M F101
1 4
2 5
R153 1
IF_IN
2.2k
2
C124
NC
4.7u /16V
8V
3
C_AGC
4
C_REF
5
NC
C125
4.7u /16V
6
AM_OUT
R148
C171
1k
7
220n
AM_IN
8
R182
AF_OUT
2.2k
R183
220R
T111
BC848
15
GND4
14
GND3
13
GND2
12
GND1
%
F102
G1985M
1
L110
20
1uH
2
R112
R147
33V
0R
1k
C114
100p
5V
tp232
L102
10uH
C113
100p
R161
3.9k
R162
680R
3 - 5
C306
10u/63V
KEYB
C303
X301
10n
SP EAKER
3
2
1
R305
4.7R
C305
100n
AV _SEL
SCL
C127
C126
47n
SDA
ONLINE
KEYB
PROT
IC104
TDA9830
STATUS
16
IF_IN
C101
15
10n
NC
MUTE
14
V_P1
L/L'
13
GND
12
MUTE
11
L103
V_P2 8V
10uH
10
SWITCH
C135
9
100u /16V
EXT_IN
16
VDRB
VDRA
R140
100R
15
5
4
^
C138
10n
Chassis E1
3.3V
3.3V
R127
10k
R109
2.2k
C109
1n
5V
R107 R108
3.3k 3.3k
R101
3.3k
C111
10n
C139
100n
R102
15k
C133
C14
1u/50V
4.7
C140
C134
100n
2.2u /50V
C150
R164
1n
100R
R163
100R
C149
3.3n
R185
C175
2.7k
4.7n
R196
560R
R149
1k
C177
22n