Idtv Dvb-T-Tuner - Grundig Cinaro 26 Service Manual

Hauptplatte / Main Board – IDTV DVB-T-Tuner/Frontend
TU100
GND_T
TUNER_DVB_P AN
ENV87H09D8F
Panasonic-ENV87H09D8F 8
IFA1
10
IFD2
RF I N PUT (pin 12)
11
IFD1
9
IF_AGC
4
SCL
5
SDA
GND_T
RF level monitoring
C118 C122
1nF 1nF
C117 C121
100n F 100nF
C123
C119
100uF 10uF
GND_T
GND_T 5V GND_T 5V
switch on (trigger: +5V)
42
47
46
C106
IF+
100pF
50
C109
C107 2.2pF
IF-
100pF
R107
180
R101
R109
100 C105 C108
10K
100nF 100nF
R100
100
GND_T
C103 C104
22pF 22pF
5V 5V
R105 R106
2.7K 2.7K
49 48
GND_T
SCLT
SDAT
R128
R129
5.1K
5.1K
GND_T GND_T
5V
3.3V Pullup
T107
BC848B
R133
510K
C101
R131
22pF
560K
GND_T
48
49
Mode: without aerial Mode: without aerial
1.8V 3.3V
C110 C111
10nF 10nF
IC100
COFDM demod
IF
10
INP
9
INM
AGC
16
AGC1
14
DEMODULATOR (STV0361)
AGC2
0360 I2C repeater to tuner
18
SCLT
19
SDAT
ANALOG CONTROLS POWER
C128
2.2uF
C132
R110
10K
GND_T
C127
1nF
10nF
C133
X100
27.000MHz
GND_T GND_T
10nF
L116 120@100MHz
R130
1.8V
510K
C129
C130 C131
22pF
10pF 10pF
GND_T
R269 R270
0R 0R
GND_T 1.8VA
50 51
3.3V 3.3V 3.3V 1.8V
C112 C113 C114 C115
10nF 10nF 10nF 10nF
R125
34 1
D0 1
33 3
D1 3
32 5
D2 5
31 7
D3 7
29 1
D4 1
27 3
D5 3
26 5
D6 5
25 7
D7 7
R126
40 1
ERROR 1
38 3
DnotP 3
23 5
STR_OUT 5
36 7
CLK_OUT 7
R127
48
CCLK/HFEC3
FEC 49
CCLK/HFEC2
50
CCLK/HFEC1
51
HFEC0
0360 I2C input 21
SDA
20
SCL
C142
55
CS0 100pF
ADDRESS = 00111 CS1 CS0 READNOWRI TE
53
CS1
GND_T
ANALOG POWER
C138
C139
C134 C136
10nF 10nF
GND_T
1.8V 1.8V
1nF 1nF
C135 C137
10nF 10nF
C141
100nF
3.3VA 1.8VA
GND_T GND_T
GND_T
42
53
52
51
39
2
TS_DATA0
2
4
TS_DATA1
4
6
TS_DATA2
6
8
TS_DATA3
8
2
TS_DATA4
2
4
TS_DATA5
4
6
TS_DATA6
6
8
TS_DATA7
8
39 TS_DATA[0..7]
2
2
4 TS_VALID
4 TS_VALID
6 TS_START
6 TS_START
8 TS_CLK
8 TS_CLK
39
54 53 52
47
R102
100
SDA
SCL
R103
100
46
C145
100pF
GND_T
1.8VA 1.8V
L101
120@100MHz
+
C140 C144
100nF 2.2uF_tan
GND_T
3.3V
3.3VA
L102
22uH
+
C146
2,2uF_tan
GND_T
notRESET3V3
54