GRUNDIG Service
Chassis G5
2 - 11
Chassisplatte / Chassis Board – Tuner
TERRESTRIAL TUNER
VCC3V3_FET
+5V2_ST
TP86
PMEG4010EH
D700
C724
22uF
100NF
C720
100NF
C719
240R
L707
240R
L706
22PF
C721
22PF
C722
100NF
C717
C709
47pF
180NH
L704
180PF
C715
270NH
L701
270NH
L702
1NF
C706
1NF
C703
1NF
C702
1NF
F
N
1
1
0
7
C
C700
100NF
C707
VCC3V3_FET
1NF
C704
TP87
10K*4
R703
0R
R700
X_2151
1
2
3
4
5
6
7
8
S700
AJ-35
100NF
C723
xxmA max
Si2151-A10-GMR
GPIO2
1
GPIO1
24
ADDR
23
SCL
3
EPA
D
25
GND
16
XOUT
12
RF_REF
19
XTAL_O
14
AGC1
5
GND
8
AGC2
4
RF_IP
20
RF_IN
22
NC
18
XTAL_I
13
SDA
2
LIF_N
10
LIF_P
11
VDDH
17
VDDH
15
VDDH
9
VDDL
7
GND
6
GND
21
IC700
C710 39pF
C711 39pF
C705
1uF
33PF
C712
33PF
C713
R702
NC
R704
0R
27MHz
1
3
2
4
X701
C726
100nF
VCC3V3_FES
C746
100nF
R707
100R*4
C747
10pF
C748
10pF
C741
100nF
VCC3V3_FES
150mA max
TP88
L709
10UF
C727
75 ohm Line
2
1 3
4 5
S701
COAX_F
SAT 1
R708
0R
C725
100nF
R705
100R
C728 1uF
C729 1n
F
C744
100nF
AV2018-S85QFG
RFIN
1
NC
2
RFAGC
3
RFLP
4
RXQP
5
RXIP
6
ADDR0
7
SC
L
8
SDA
9
XTAL2
10
XTAL1
11
GND
12
VCCREG
1
13
CP
14
REGCAP
2
15
VCCREG
2
16
EPAD
17
IC702
IF_AGC_T
IF_AGC_S
XTALO_T
C749
1nF
0.59A
L713
27nH
C750
100pF
LNB_P1
LNB_P1
L708
3.3uH
SATELLITE TUNER
XTALO_T
270NH
L705
270NH
L700
I2C ADDRESS: C0
I2C ADDRESS: C4
X_2151
100NF
C716
QP_S
IP_S
QP_S
IP_S
R701
100R
100NF
C708
100NF
C714
DIF_P
DIF_N
DIF_P
DIF_N
IF_AGC_T
R706
100R*4
DISEQC_OUT
DISEQC_OUT
I2CM_SCL
I2CM_SDA
I2CM_SCL
I2CM_SDA
I2CM_SDA
I2CM_SCL
I2CM_SCL
I2CM_SDA
VCC3V3_FE
VCC3V3_FE
IF_AGC_S
C738
10pF
C739
10pF
C718
24MHz
1
3
2
4
X700
4.7PF
C731
4.7PF
C732
15nH
L710
270nH
L703
TUNER_FEF
L711
6.8uH
C735
220nF
50V
220nF
50V
D702
PMEG4010EH
D703
PMEG4010EH
C734
470nF
25V
D701
PMEG4010EH
R712
10K
+12V
60R
3A
L712
R713
15.4k %1
2.2K
R714
C737
10uF 35V
C736
220nF 50V
C742
C743
10uF
35V
10uF
35V
C733
NC
11
SCL
6
SDA
7
ISEL
8
ADDR
5
NC
4
GND
9
BYP
10
VOUT
13
VUP
14
NC
15
LX
16
NC
1
PGND
2
DSQIN/EXTM
3
VCC
12
EPAD
17
IC703
LNBH29EQTR
R711
15.4K
R709
NC
R715
4.7K
TP89
R710
0R
VCC3V3
C745
10pF
C751
10pF
L714
NC
C730
NC
Vout
1
GND
2
CE
3
Vin
4
EPA
D
5
IC701
XC8101AA01GR-G
10NF
C740
3
1
2
D704
NUP1301U
11
12
13
6
12
11
12
11
14
LNBH29
VUP
SDA
SCL
ISEL
ADDR
Isense
PW
MC
TR
L
PGND
DAC
Drop control
Tone ctrl
Diagnostics
Protections
I²C Digital core
LX
Voltage
reference
VCC
BYP
GND
Current
Limit
selection
VOUT
Gate ctr
l
Linear
Regulator
R3
R2
EXTM
(2)
DSQIN (1)
I
ADC
Q
ADC
0 / 90
LOW-IF
FREQ
SYNTH
LDO
OUTPUT
INTERFACE
XOSC
XTAL
_I
PGA
CONTRO
L
INTERFAC
E
XTAL
_O
XOUT
Si2151
ANT.
IN
GPIO
DSP
FILTER
AGC
DTV
DEMOD
AV
SoC
ADDR
SCL
SDA
LIF
ATV
DEMOD
AGC
IF
AGC
RF
AGC
PGA
3.3V
1.8V
XC8101
Vin
Vout
Rdischg
Current
Limit
Gate
Control
ON/OFF
Control
Vss
CE
CE each
circuit
/CE
/CE
6
!
Mode: after pressing P+/P-
@
Mode: after pressing P+/P-
#
Mode: ATV
#
Mode: DVB-C/T
$
Mode: DVB-S