Grundig Chassis G5 Serviceanleitung Seite 57

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