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GRUNDIG Service
Tuner - HW1.190
TU100
AGC
TU
AS
SCL
SDA
N.C.
VCC
N.C./ADC
VST
N.C.
IF1
UV1316H
GND
TU101
GND
470N
63V
C150
1
AGC
2
TP103
C110
TU
3
AS
100N
4
SCL
5
SDA
C143
6
33P
N.C.
C144
7
33P
VCC
8
N.C./ADC
9
VST
10
N.C.
11
IF1
3
UV1316H
GND
GND
GND
470N
63V
C147
L104
1
1UH 0805
2
TP102
J100
3
0R
GND
4
100R
R105
SCL_5V
5
100R
R106
SDA_5V
C141
6
33P
GND
33P
C142
7
5V_TUN1
8
9
33V_TUN1
10
C127
1N
11
L105
1UH 0805
3
C128
1N
J102
0R
GND
3
GND
CAP47U50V
TUN2_QSS
C146
L106
TUN2_AGC
1UH 0805
GND
5V_TUN2
R110
SCL_5V
SCL_5V
100R
SDA_5V
SDA_5V
100R
R111
GND
5V_TUN2
33V_TUN2
IF1_PIP
C129
1N
L107
1UH 0805
C130
IF2_PIP
1N
J103
0R
GND
CAP47U50V
TUN1_QSS
TUN1_QSS
C145
TUN1_AGC
SCL_5V
SCL_5V
SDA_5V
SDA_5V
SCL_5V
SDA_5V
GND
470N
10N63V C131
R139
5K6
SAW100
IF1_MAIN
1
4
2
5
K3958M
IF2_MAIN
GND
4
4
R134
TUN2_QSS
56R
R108
SCL_5V
SCL_5V
100R
R109
SDA_5V
SDA_5V
100R
GND
470N
C152
63V
10N
63V
C133
10N
R140
63V C134
5K6
SAW101
C154
390P
1
4
2
5
K3958M
GND
2 -
4
12
R133
SIOMAD
56R
R102
11
SCL
100R
R104
10
SDA
100R
9
U100
TOP
TDA9886
8
AUD
7
DGND
63V C149
6
AFD
5
DEEM
10N
63V C132
4
FMPLL
390P
3
C153
OP1
2
VIF2
1
VIF1
IC Block Diagram p. 2-40
TUN2_AGC
12
13
SIOMAD
NC
11
14
SCL
TAGC
10
15
SDA
REF
9
16
U101
TOP
VAGC
TDA9886
8
17
AUD
CVBS
7
18
DGND
AGND
6
19
AFD
VPLL
5
20
DEEM
VP
4
21
FMPLL
AFC
3
22
OP1
OP2
2
23
VIF2
SIF1
1
24
VIF1
SIF2
IC Block Diagram p. 2-40
D102
NOISE_PORT
1N4148-SOT23
GND
SW_SWITCH_2
Chassis PE
1N4148-SOT2
D100
TUN1_AGC
R129
12K
13
NC
14
R103 100R
TAGC
100
15
C135
REF
16
C148
VAGC
470N
17
CVBS
18
AGND
C
19
VPLL
2
20
VP
21
AFC
22
SW_S
OP2
23
4
SIF1
24
5
SIF2
5V_MAIN_IF
R
4
SW_SWITCH
1N4148-SOT23
D101
NOISE_P
R130
56K
R
12K
R107
100R
10K
R
Y101
1
2
C138
100P
4MHz
C151
470N
63V
47R
R128
C118
C116
1N5
220N
SW_SWITCH_2
4
1
5
2
SAW103
K9656M
GND
5V_PIP_IF
R123
4K7
R144
33K
C
100N
GND
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