Grundig 42 VLE 8500 B0 Serviceanleitung Seite 40

Chassisplatte / Chassis Board – DVB-S VKT190R-2
L1100
TP107
VCC3V3
60R 3A C1104
10uF 6.3V
75 ohm Line
C1112
S1100
1
2 L1102 47pF
3 27nH
4
0.59A
5
COAX_F
SAT_LNB_POWER
C1122 C1123
1nF
100pF
C1128 C1130 C1129 C1135
NC 10uF 35V 10uF 35V 470nF 25V
IC1102
LNBH29EQTR
14
VUP
D1102
PMEG4010EH
9
16
LX
L1103
L1104 6.8uH
3A 60R
12
VCC12V VCC
C1144 C1143
10uF 35V 220nF 50V
6
SCL
7
SDA
5
ADDR
I2CS_SCL R1119 100R 8
ISEL
I2CS_SDA
R1121 R1122
10K 15.4k %1
R1127
2.2K
ADDR SCL SDA
LX
DSQIN (1)
I²C Digital core
LNBH29
DAC
Drop control
PGND
Tone ctrl
Diagnostics
VUP
Protections
Current
Linear
ISEL VOUT
Limit
Regulator
selection
Voltage
R3 R2
reference
EXTM (2)
GND BYP VCC
C1100
C1102
100nF 22pF
TUNER_3V3_MA
1uF
TUNER_3V3_MA
130mA
C1107
IC1100
100nF
AV2012-S85QEGQ0
C1111
100nF
regout 1
REG2OUT
2
VCCRF1
L1101
3
RFIN+
4
3.3nH RFIN-
regout 5
VCCRF2
R1105
C1115 6
RFAGC
NC 7
NC C1116
RFLP
C1117 10nF
22pF
C1118
NC
C1121
10nF
SAT_LNB_POWER
D1100
C1124 10pF C1125
PMEG4010EH
SAT_LNB_POWER
C1126 10pF C1127
TP108
C1141
C1131 10pF C1132
220nF 50V
13
C1133 10pF C1134
VOUT
R1109
C1136
100R
D1104
17
100nF
EPAD
15
PMEG4010EH
NC
11
NC
TUNER_3V3_MA
1
NC
R1100
3
4.7K
DSQIN/EXTM
C1160
VCC3V3
R1110 R1111
10
DISEQC_OUT_A
BYP
15.4K
0R
C1163 1uF
R1116
4.7K
Power on (trigger: +5V2_ST)
9 @
≤ ∞
C1101
1nF
TUNER_3V3_MA
C1105 C1106
SAT_3V3_MA
100nF 47pF
C1108 100nF
C1109 1nF
X1100
27MHZ 12PF-30/30PPM
R1101
0R
1 3
3.3VD_MA
21 C1113 C1114
VDDD
20 22pF 22pF
VCCXO
19
XTAL1
18
XTAL2
17
ADDR1
R1104
16
SDA
15
SCL
C1119 C1120
100R
10pF 10pF
18 19
R1107 10K
TUNER_3V3_MA
100nF
24 25
100nF
100nF
100nF
381mA
1.2VD_MA
L1107
TP110
VCC1.22V 3.3VD_MA
C1159
C1156 C1157 C1158
60R
3A 100nF 100nF 100nF
1UF
R1115
1K
R1118
L1108
10K
TP111
SAT_3V3_MA
C1152 C1153 C1154 C1155
240R
0.25A
100nF 100nF 100nF 100nF
C1146
22nF
L1106
TP109
DVB_RST
VCC3V3 3.3VD_MA
C1145 C1148 C1149
70mA
240R
0.25A
100nF 100nF 100nF
^ &
§ ≥
XTALO_S2
XTALO_S2
23
C1110 16 17
100nF
1 36
AVDD_33 I2CS_SDA
2 35
SAR_RSSI VDDC
3 34
GND GND
R1106 4 33
GND VDDP
10K*4 5 32
AVDD_33 TS_SYNC
6 31
IC1101
I2CM_SCL TS_VLD
MSB1310
7 30
I2CM_SDA TS_[D0]
8 29
VDDC TS_[D1]
9 28
GND TS_[D2]
10 27
VDDP TS_[D3]
11 26
TS_ERR TS_[D4]
12 25
VDDC TS_[D5]
3.3VD_MA 3.3VD_MA
R1123 R1113
10K 10K
R1124
DVB_RST 33R
C1150
C1151
NC
12
100nF
* (
• ª
I2CS
R1102
I2CS_SCL
I2CS_SCL
I2CS_SDA
I2CS_SDA I2CS
100R
1.2VD_MA
3.3VD_MA
26
TS_SAT_SYNC
TS_SAT_VLD
27
TS_SAT_D0
TS_SAT_D1
28
TS_SAT_D2
TS_SAT_D3
TS_SAT_D4
TS_SAT_D5
TS_SAT
TS_SAT_D0
TS_SAT_D0
TS_SAT_D1
TS_SAT_D1
TS_SAT_D2
TS_SAT_D2
TS_SAT_D3
TS_SAT_D3
TS_SAT_D4
TS_SAT_D4
TS_SAT_D5
TS_SAT_D5 TS_SAT
TS_SAT_D6
TS_SAT_D6
TS_SAT_D7
TS_SAT_D7
TS_SAT_CLK
TS_SAT_CLK
TS_SAT_VLD
TS_SAT_VLD
TS_SAT_SYNC
TS_SAT_SYNC
TS_SAT_D6
TS_SAT_D7
TS_SAT_CLK
29
£