GR
UNDIG Ser
vice
Chassis KU
2 - 15
XO_D2
XI_D2
CXD 2843_DVDD
CXD2843_CVDD
CXD 2843_DVDD
CXD2843_CVDD
CXD2843_CVDD
CXD 2843_XVDD
CXD2843_AVDD
C1813
8.2pF
C1814
8.2pF
20.5MHZ
1
3
2
4
X1800
CXD2843_CVDD
R1805
10K
2.2NF
C1817
R1806
10K
R1804
100R
C1823
100nF
C1820
100nF
C1845
100nF
C1839
NC
C1846
100nF
C1821
100nF
C1825
100nF
C1803
100nF
C1809
100nF
R1816
10K
C1832
220n
R1818
22K
R1807
NC
AGC_CXD2871
TP174
TP173
TP178
TP175
TP176
TP177
R1801
47K
R1802
47K
1
3
5
7
2
4
6
8
R1809
47R
60R
3A
L1800
1
3
5
7
2
4
6
8
R1808
47R
1
3
5
7
2
4
6
8
R1812
4.7K
VCC3V3
GP
IO
0
1
GP
IO
2
2
TSSY
NC
3
TS
VA
LI
D
4
TS
CL
K
5
VS
S
6
DV
DD
7
TS
DA
TA
0
8
TS
DA
TA
1
9
CV
DD
10
VS
S
11
TS
DA
TA
2
12
TSDATA3
13
TSDATA4
14
TSDATA5
15
TSDATA6
16
TSDATA7
17
VSS
18
DVDD
19
SCL
20
SDA
21
CVDD
22
DSQOUT
23
DSQIN
24
SL
VA
DR
0
25
SA
GC
26
VS
S
27
CV
DD
28
RST_
X
29
SL
VA
DR
3
30
SI
AI
N
31
SQ
AI
N
32
XV
DD
33
XT
AL
O
34
XT
AL
I
35
XVS
S
36
TAINP
37
TAINM
38
AVSS
39
TESTMODE
40
RFAIN
41
AVDD
42
VSS
43
CVDD
44
TTUSDA
45
TTUSCL
46
GPIO1
47
TIFAGC
48
EP
49
IC1800
CXD2842ER-T4
R1811
0R
33R
R1810
1.5K
R1815
2.2K
R1819
3.3NH
L1810
xxxxx
2.2PF
C1829
C1835
NC
C1847
1nF
0.59A
L1811
27nH
75 ohm Line
C1848
100pF
50V
1NF C1815
BLM15AG102SN1D
L1806
C1819 1uF
C1827
1uF
C1838
1uF
C1840 1uF
50V
1NF
C1843
50V
47PF
C1844
120R
R1821
C1841
1uF
C1837
1uF
120R
R1814
1NF
C1826
DVB_RST
33PF
C1833
33PF
C1834
47PF
C1831
C1816
1uF
6.8K
R1803
150PF
C1806
1.5NF
C1804
CXD2832_IFQ
82PF
C1811
82PF
C1812
470R
R1800
CXD2832_AGC
CXD2832_AGC
I2C_T_SDA
I2C_T_SCL
CXD2843_DVDD
60R
3A
L1803
1NF
C1802
47PF
C1851
C1858
1uF
C1860
1uF
CXD2832_IFI
CX
D2832_IFQ
CX
D2832_IFI
CXD2871_IF_P
CXD2871_IF_N
100R*4
RP1801
10PF
C1867
10PF
C1868
DVB_RST
1K
R1826
C1871
NC
10PF
C1872
1
3
2
4
X1802
C1861
1uF
C1864
1uF
CXD2843_SDA
CXD2843_SCL
CXD2843_SDA
CXD2843_SCL
CXD2832_LNB_POWER
C1818
1nF
C1842
1nF
C1822
1nF
sat_rf_ctl
8.2PF
C1828
10NF
C1865
10NF
C1855
1.2PF
C1859
56K
R1825
470R
R1824
10NF
C1856
1K
R1823
10NF
C1849
10NF
C1857
RFIN
RFOUT2
RFOUT1
1
2
3
4
5
J1800
COAX_F
BK1005LL241-T
L1824
100NF
C1863
L1825
1K
R1827
10NF
C1866
DVB_RST
DVB_RST
DISEQC_OUT_B
TS_SAT2_D0
TS_SAT2_D1
TS_SAT2_D2
TS_SAT2_D3
TS_SAT2_D4
TS_SAT2_D5
TS_SAT2_D6
TS_SAT2_D7
TS_SAT2_VLD
TS_SAT2_SYNC
TS_SAT2_CLK
TS_SAT2
TS_SAT2
TS_SAT2_D0
TS_SAT2_D1
TS_SAT2_D2
TS_SAT2_D3
TS_SAT2_D4
TS_SAT2_D5
TS_SAT2_D6
TS_SAT2_D7
TS_SAT2_CLK
TS_SAT2_VLD
TS_SAT2_SYNC
R1820
33R
VCC1.18V
CXD2843_CVDD
CXD2843_XVDD
CXD 2843_DVDD
CXD 2843_AVDD
R1817
10K
RFOUT1
RFIN
BLM15AG102SN1
D
L180
7
BLM15AG102SN1D
L1812
CXD2832_LNB_POWER
I2C_T_SDA
I2C_T_SCL
I2CT
I2CT
I2C_T_SDA
I2C_T_SCL
DISEQC_OUT_B
CXD2871_IF_P
CXD2871_IF_N
0R
R1828
XOUT2871
C1873
1nF
XO
UT2871
4
2
1 3
T1800
3.3V_Tun2
sat_rf_ctl
GP
IO
1
DG
ND
2
XT
O
3
XT
I
4
PL
LRE
G
5
DV
DD
6
VCOREG
8
VCOGND
9
POWER_SAVE
10
LTOUT
11
RFGND
12
RFIN
13
VREF18
14
RF
RE
G
15
AV
DD
16
AR
EG
17
AG
ND
18
AG
CI
N
19
QO
UT
N
20
QO
UT
P
21
IOUTP
22
IOUTN
23
RSTX
24
SCL
25
SDA
26
ADSL
27
REFOUT
28
CP
7
EP
AD
29
CXD2832AER
IC1801
68K
R1813
C1875
100nF
3.3V_SAT2
3.3V_SAT2
3.3V_SAT2
3.3V_SAT2
3.3V_SAT2
VCC3V3-ST
POWER_SW
POWER_SW
L1802
22UH 0.47A
3.3V_Tun2
3.3V_SAT2
3.3V_SAT2
L1801
L1804
L1805
VCC5V
12NF
C1853
2K
R1829
10PF
C1877
10PF
C1878
47NF
C1869
100R*4
RP1800
C1808
1nF
1.8NH
L0808
8.2NH
L1809
3.3PF
C1830
1.8PF
C1836
1.8PF
C1824
8.2NH
L1821
27NH
L1822
470NH
L1818
220NH
L1817
270NH
L1819
5.6NH
L1816
4.7M
R1822
270NH
L1808
150NH
L1813
150NH
L1814
2.2NH
L1823
SDA
1
DNC
2
AGC2
3
AGC1
4
IFOUTN2
5
IFOUTP2
6
IFOUTN1
7
IFOUTP1
8
RF
AG
C
9
VL
OU
TN
2
10
VL
OU
TP
2
11
VL
OU
TN
1
12
VL
OU
TP
1
13
VR
EG15VLOU
T
14
DE
TO
L
15
RFIN
16
RFEXT
17
VREG15IN
18
VREG15
19
VREF15
20
GPIO1
21
VDD
22
VDDIO
23
VCOREG
24
CP
25
GP
IO
0
26
ADSL
27
XI
28
XO
29
XRST
30
REFO
UT
31
SC
L
32
EPAD
33
CXD2871ER
IC1803
GND
1
SWOUT1
2
SWIN1
3
GND
4
SWOU
T
5
SWIN
6
SPLO
UT
2
7
GND
8
SPLOUT1
9
SPLIN
10
GND
11
LN
AO
UT
12
GN
D
13
LN
AI
N
14
EPAD
15
NJG1151MD7
IC1804
GN
D
1
P2
2
GN
D
3
GN
D
4
GND
5
PC
6
GND
7
GN
D
8
GN
D
9
P1
10
GN
D
11
VDD
12
GND
13
CTL
14
EP
AD
15
NJG1666MD7
IC1802
VOUT
1
VS
S
2
FLG
3
CE
4
VIN
5
XC8107AC10MR-GW
IC1805
1UF
C1876
10UF
C1800
10UF
C1805
10UF
C1810
10UF
C1874
10UF
C1807
C1862
RFLP
RFL
P
100NF
C1870
2.2UF
C1850
10NF
C1852
AGC_CXD2871
22UF
C1801
22UF
C1854
L1815
100NF
C1879
100NF
C1880
60R 3A
L1826
60R 3A
L1820
3.3V_FE
TP252
TP253
TP251
CXD2832_LNB_POWER
CXD2832_LNB_POWER
DISEQC_OUT_B
I2CS_SCL
I2CS_SDA
L1105
6.8uH
R1120 100R
C1142
220nF 50V
D1103
PMEG4010EH
D1105
PMEG4010EH
C1140
470nF 25V
D1101
PMEG4010EH
R1125
10K
VCC12V
60R
3A
L1109
R1126
15.4k %1
2.2K
R1128
C1161
10uF 35V
C1147
220nF 50V
C1164
220n
F5
0V
C1139
10uF 35V
C1138
10uF 35V
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
IC1103
LNBH29EQTR
R1112
15.4K
C1162
1uF
C1137
NC
R1108
4.7K
R1117
4.7K
TP258
R1114
0R
3.3VD_MA
3.3V_SAT2
Chassisplatte / Chassis Board – Multi-Tuner
XC8107
Vss
V
IN
V
OUT
FLG
Thermal Shutdown
ON/OFF Control
UVLO
Control
Current Lim.
Current Sense
7.5ms Delay
4ms Delay
Reverse Current Prevention
each
circuit
CE
NJG1666MD7
P2
P1
PC
GND
GND
GND
GND
GND
GND
GND
GND
GND
CTL
VDD
11
10
9
8
7
1
2
3
4
6
5
12
13
14
21
20
19
18
17
16
15
14 VREF18
13
12
11
10
9
8
RFIN
RFGND
TEST
POWER_SAVE
VCOGND
VCOREG
VCO
IOUTP
IOUTN
RSTX
SCL
SDA
ADSL
REFOUT
22
23
24
25
26
27
28
VGA control
IQ Mixer
Buffer
VGA
LPF
RF VGA
Driver
1/1 1/2
Prescaler
1/2
Reference
OSC
PLL
Serial
BUS I/F
LNA
IQ Generator
1/2
1
2
3
4
5
6
7
GPIO
DGND
XT
O
XTI
PLLREG
DV
DD
CP
QOUTP
QOUTN
AGCIN
AGND
AREG
AV
DD
RFRE
G
CXD2832
ADC
AGC
DVB-T2
Demodulator
LDPC/BCH Decoder
Viterbi/RS Decoder
DVB-C
Demodulator
DVB-S
Demodulator
DVB-S2
Demodulator
DVB-T
Demodulator
TS I/F
ADC
TAINP
TAINM
TIFAGC
SQAIN
SIAIN
SAGC
AGC
I2C I/F
SCL
SDA
TTUSCL
TTUSDA
TUNER
Satellite
TUNER
Terrestrial
Cable
OSC/PLL
XTALI XTALO
TSCLK
TSSYNC
TSVALID
TSDATA[7:0]
RF Level
Monitor
RFAIN
CXD2842ER
Tuner
I2C I/F
OSC/PLL
XTALI
XTALO
SCL
I2C I/F
VREG15
PLLREG
VCOREG
IFOUTP1
(1)
IFOUTN1
(1)
IFOUTP2
IFOUTN2
IFBPF IFVGA
Mixer
Logic/NVM
RFVGA
Balun
RFIN
AGC1
(1)
AGC2
AGC including
IFOVLD, RSSI
SDA
XRST
VDD
CXD2871
TV (1)
CXD2872
STB (2)
REFOUT
LTOUT
(2)
VDDIO
NJG1151MD7
5
7
6
9
10
11
12
13
14
2
1
3
4
8
LNAIN
LNAOUT
SIN
SOUT1
OUT2
OUT1
IN1
SOUT2
IN2
GND
GND
GND
GND
GND
splitter
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)
Содержание 32 VLE 6520 BH
Страница 5: ...GRUNDIG Service Chassis KU 1 5 40 55 UHD...
