Grundig Lenaro 72 Flat MF 72-5610 Service Manual page 35

GRUNDIG Service
Chassisplatte / Chassis Board – Tuner
ZA9190-06
AGC
n.c.
AS
SC L
SDA
TU101
TUNER
+5V
+5V
n.c.
+33V
IF1
IF2
33V
*
Chassisplatte / Chassis Board – Tuner-PIP
ZA9190-06
OPTION PIP
AGC
n.c.
SC L
SDA
TU102
TUNER +5V
+5V
n.c.
+33V
R132
33V
1k
20
C101
47p
C102
47p
19
1
C103
47p
2 5V
R102
100R
3
L101
10uH 5V_TUN
4
100R
C107
100n/ 2 5V
5
C106
100u/ 1 0V
6
R105
12k
R107 C110
R106
100k 47u/16V
7
1k C109
C108
1n 10n
8
F101
K3958M
9 1
10
L102
RFFU
2
11
R108
C115
1k
C114
1n
4.7u/63V
( )
C125
47p
R142
R123
100R
0R
C126
R124
47p
100R
1
C127
47p
2 5V
3
AS L104
10uH
4
C130
100n/ 2 5V
C129
5
100u/ 1 0V
6
R128
12k
R130
R129
100k
R131
7
5.6k
C132
C131 1k
C133
10n
1n
47u/16V
C135
8
10n
9 1
L105
10
IF1 RFFU
2
11
IF2
F103
K3953M
C134
4.7u/63V
R115
C105
47p
220R
R116
C104
47p
220R
12 13
QS S_OUT NC
R104
11 14
SC L AGC
R103 100R
10 15
SDA REF
100R
9 16
TOP VAGC
R140
8 17
MONO_PIP MONO CVBS
C113 470R
7 18
DGND AGND
1n
6 19
AFD V_PLL
R109
C112
5 20
5.6k
DEEM VP
390p
C111
4 21
10n FM_PLL AFC
3 22
OUT1 OUT2
4 2 23
VIF2 SIF1
1 24
VIF1 SIF2
IC101
TDA9886T
5 5V_TUN
R110
R111
F102
1k
2.2k
K9656M
1
R112
D101
2.2k
BA682
2
R113
T102 R114
47k
BC848B
47k
R133
R141 220R
C128
2.2k
47p
12 13
QS S_OUT NC
11 14
SC L AGC
R125 R126 100R
10 15
SDA REF
100R
9 16
TOP VAGC
R127
8 17
MONO CVBS
C137
470R
1n
7 18
DGND AGND
6 19
AFD V_PLL
C139
5 20
C136 DEEM VP
C138
390p
10n 4 21
470n/ 1 6V
FM_PLL AFC
C140 3 22
OUT1 OUT2
1n
4 2 23
VIF2 SIF1
1 24
VIF1 SIF2
IC102
TDA9886T
5
3 - 1
SC L
SDA
QS S_TUN1
5V_IF 5V_IF
R118
C117
R117
1n 1.5k
4.7k
CVBS_TUN1
T101
18
BC858B
C118 Q101
22p R119
4MHz
1.5k
C119
R120
470n/ 1 6V
R121 330R
5V
1k
C121
C120 1.5n
L103
10p
C122
10uH
220n/ 1 6V 5V_IF
C124
C123
R122
47n/25V
47u/16V
4.7k
4
5
C116
1n
SC L
SDA
MONO_PIP
5V_IF2 5V_IF2
C141 R135
R134
1.5k
1n
4.7k
CVBS_PIP
T103
BC858B
C142
Q102
22p R136
4MHz
1.5k
C143
R137
470n/ 1 6V R138
5V
C144
330R
1k
C146
10p
1.5n
L106
C145
10uH
5V_IF2
220n/ 1 6V
C147 C148
47u/16V 47n/25V
C149
1n
Chassis 22.1 ME