Grundig 32 VLE 6520 BH, Руководство по обслуживанию

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GRUNDIG Service Chassis KU
2 - 14
Chassisplatte / Chassis Boar
d – D
VB-S
LNBH2
9
VUP
SDA
SCL
ISEL
ADDR
Isense
PWM CTR L
PGND
DA
C
Drop
control
Tone ctrl
Diagnostic
s
Protections
I²C
Digital core
LX
Voltage referenc
e
VCC
BY
P
GN
D
Curren
t
Limit
selection
VOUT
Gate ctrl
Linear Regulato
r
R3
R2
EX
TM
(2
)
DSQIN
(1
)
TS_SAT_D
0
TS_SAT_D
1
TS_SAT_D
2
TS_SAT_D
3
TS_SAT_D
4
TS_SAT_D
5
TS_SAT_D
6
TS_SAT_D
7
TS_SAT_VLD TS_SAT_SYNC TS_SAT_CLK TS
_SAT
TS_SAT_D0 TS_SAT_D1 TS_SAT_D2 TS_SAT_D3 TS_SAT_D4 TS_SAT_D5 TS_SAT_D6 TS_SAT_D7
TS_SAT_VLD
TS_SAT_SYN
C
TS_SAT_CLK
TS
_SAT
R110
1
0R
C1103
1uF
R112
4
33
R
C115
0
NC
1
3
2
4
X110
0
27MH
Z1
2PF-30/30PPM
C111
1
100nF
C110
5
100n
F
C110
6
47p
F
L1101 3.3nH
C110
1
1nF
AVDD_33
1
SAR_RSS
I
2
GND
3
GND
4
AVDD_33
5
I2
CM_SCL
6
I2
CM_SDA
7
VDDC
8
GND
9
VDDP
10
TS
_ERR
11
VDDC
12
GPIO
13
IF_AGC
14
GND
15
VDDP
16
RESETn
17
GND
18
DISEQC_ IN
19
DISEQC_OUT
20
DISEQC_HV
21
TS_C LK
22
TS_[D7 ]
23
TS_[D6 ]
24
TS
_[D5
]
25
TS
_[D4
]
26
TS
_[D3
]
27
TS
_[D2
]
28
TS
_[D1
]
29
TS
_[D0
]
30
TS
_V
LD
31
TS
_SYN
C
32
VDDP
33
GND
34
VDDC
35
I2
CS_SDA
36
I2CS_SCL
37
GND
38
XOUT
39
XIN
40
AVDD_33
41
GND
42
QP
43
QM
44
GND
45
IP
46
IM
47
AVDD_33
48
IC1101 MSB131
0
C111
5
NC
C111
8
NC
R110
5
NC
C111
7
22p
F
C111
6 10n
F
C110
2
100nF
TUNER_3V3_M
A
TUNER_3V3_M
A
C1108
100nF
C1125
100nF
C1127
100nF
C1132
100nF
C1134
100nF
C1124
10p
F
C1126
10p
F
C1131
10p
F
C1133
10p
F
C112
1
10n
F
R110
4
100
R
C111
9
10p
F
C112
0
10p
F
C113
6
100nF
R110
9
100
R
RFLP
C115
6
100n
F
C115
7
100n
F
C115
8
100n
F
SAT
_3V3_MA
60
R
3A
L110
7
1.2VD_
MA
1.2VD_
MA
3.3VD_
MA
3.3VD_M
A
XTALO_S2
C115
1
100n
F
DVB_RS
T
R112
3
10
K
3.3VD_
MA
R111
8
10
K
C114
6
22nF
R111
5
1K
3.3VD_
MA
C1122 1n
F
381m
A
3.3VD_
MA
SAT
_3V3_M
A
70mA
TU
NER_3V3_MA
130mA
C110
7
100n
F
TP10
7
60
R3
A
L1100
6.3
V
C1104
10uF
VCC3
V3
240R 0.25
A
L110
6
240R 0.25
A
L110
8
C114
5
100n
F
C114
8
100n
F
C115
2
100n
F
C115
3
100n
F
DISEQC_OUT_A
R110
2
100R
0.59A L1102 27nH
C115
4
100n
F
C115
5
100n
F
C114
9
100n
F
75 ohm Line
TUNER_3V3_MA
R1107
10K
XT
AL
O_S2
DVB_RS
T
C1123 100pF
REG2OUT
1
VCCR
F1
2
RF
IN
+
3
RF
IN
-
4
RF
AGC
6
RF
LP
7
RXQP
8
RXQN
9
VCCZIF
10
VCCR
F2
5
RXIN
11
RXIP
12
SC
L
15
SDA
16
ADDR1
17
XT
AL
2
18
REG1OUT
22
VCCREG2
28
VDDD
21
ADDR0
14
PD
13
VCCREG1
23
REGCAP2
26
REGCAP1
27
XT
AL
1
19
VCCXO
20
CP
24
VCCCP
25
EPAD
29
IC1100
AV2012-S85QEGQ0
TS_SAT_D
0
TS_SAT_D
1
TS_SAT_D
2
TS_SAT_D
3
TS_SAT_D
4
TS_SAT_D
5
TS_SAT_D
6
TS_SAT_D
7
TS_SAT_VLD TS_SAT_SYNC
TS_SAT_CLK
C111
0
100n
F
TP11
0
TP10
9
TP11
1
VCC3
V3
RFLP
VCC1.22V
1
2 3 4 5
S110
0
COAX_F
R111
3
10
K
3.3VD_
MA
I2CS_SCL I2CS_SD
A
I2
CS
I2
CS
I2CS_SC
L
I2CS_SD
A
VCC3
V3
1U
F
C1
15
9
C1112 47p
F
10K
*4
R1
10
6
C110
0
22p
F
C111
4
22p
F
C111
3
22p
F
C1109
1nF
regout regout
SA
T_
LN
B_POWE
R
SAT
_L
NB_POWER
SAT
_L
NB_POWER
I2CS_SCL I2CS_SDA
L1103 6.8uH
R1119
100
R
C114
1
220nF
50V
D110
2
PMEG4010EH
D110
4
PMEG4010EH
C113
5
470nF
25
V
D110
0
PMEG4010EH
R112
1
10K
VCC12V
60
R
3A
L1104
R1122 15.4k
%1
2.2
K
R1127
C1144
10uF
35
V
C1143 220nF
50
V
C116
3
220n F5 0V
C1130
10uF
35
V
C1129
10uF
35V
NC
11
SC
L
6
SDA
7
IS
EL
8
ADDR
5
NC
4
GND
9
BYP
10
VOUT
13
VUP
14
NC
15
LX
16
NC
1
PGND
2
DSQ
IN
/EXT
M
3
VCC
12
EPAD
17
IC1102 LNBH29EQ
TR
R111
0
15
.4
K
C116
0
1uF
C112
8
NC
R110
0
4.7
K
R111
6
4.7
K
TP10
8
R111
1
0R
TUNER_3V3_M
A
DI
SEQC_OU
T_
A
9
24
25
23
18
19
16
17
26 27 28
29
12
9
@
Po
wer on (tr
igger
: +5V2_ST)
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