Grundig Vision 4 26-4806 T - Tuner Module Circuitry

GRUNDIG Service Chassis SE
2 - 7
RFin
VDD33
VDD33
XTALB
VDD33
N10
VDD33
SDAT_1
VDD33
IFAGC
VCTRL2
N11
VDD33
VDD33
LNA_IP
LNA_IN
VDD33
IP
IN
VDD33
N04
VDD33
VDD33
VCTRLVCO3
VDD33
N01
N02
N03
RFLBOUT_N
VDD33
VCTRL1
TR1_1
TR1_3
VCTRL3 SCLK _1 OP VCTRL
SAW_OP2
RFHBOUT_N RFLBIN_N RFLBIN_P
RFLBOUT_P
VDD33
RFAGC_CP
ON
RFHBIN_N RFHBOUT_P
LR49A_6
OUTNSAW
VDD33
VDD33
VDD33
LR49A_5
VDD33
OUTPSAW
LR49A_1
LR49A_2
ASIN
VDD33
VDD33
VDD33
VDD33
VDD33
RFHBIN_P
RFin1
VDD33
VDD33
TR1_5
VDD33
SAW_OP1
SAW_ON1
VDD33
3CGAFRPC_CGA
TR1_4
N05
N06
N07
N08
ESD
XTALOUT
IF-
IF+
VDD33
XTALOUT
S_C_01
F5_2
F5_1
VDD33
SAW_ON2
XTALA
VDD33
VDD33
C161
10n
R103
150R
X100
16MHz XTAL
C146
220p
C109
8p2
C111
68p
R102
150R
R121 100R
C152
22p
C133
680p
C169
NC
C155
2u2
C136
1u
C165
100n
R110
5K6
C137
4u7
L108
5n6
R113
NP/0R
C162
1u
C100
68p
C131
NC
C135
100n
L104
39n
C130
100n
C102
22p
R115
2K2
C138
10n
C122
100n
L107
39n
C113
2p2
C147
33p
R108
10K
L112
220n
C114
2p2
C121
100n
3
2 1
D100
BAV99
R104
10K
C103
100n
C106
2p2 C167
2p2
T100
BC847B
C116
22p
C128
10n
R107
2K2
D101
BA591
R116
100R
R106
NC/75K
C127
680p
C140
10n
L100
39n
C117
15p
C115
8p2
R105
NC/75K
L101
39n
L103
27n
C163
1u
C124
39p
C132
1n
C166
15p
R118
10K
C156
5p6
C107
8p2
C149
330n
R122 100R
C142
680p
L105
NC
C154
220p
C158
10n
L110
39n
R111
5K6
C150
2u2
C153
22p
C112
10p
C159
100n
C134
680p
C108
22p
R101
150R
C171
100n
L102
5n6
C123
1n
2
34
1
TR100
DXW21BN7511T
1
2
3 4
5
6
7
8
F100
LR49A(1575MHz)
C101
68p
C110
10p
C164
1u
C157
1n8
C105
68p
R100
150R
C129
68p
C145
NC/10n
R109
2K2
C104
68p
2
3
4
5
1
F101
X7251D
C143
1u
C160
680p
R125
5K6
L109
27n
C151
4u7
C118
8p2
C126
56p
L106
47n
R119
NP/10K
R120
10K
C139
10n
RSSI
5
VDD3V_PDT
4
LNAINN
2
LNAINP
3
VDD3V_LNAVGA
1
VDD3V_LOOP
10
LOOPOUTN
9
LOOPOUTP
8
VDD3V_CMP
7
RFAGC_CP
6
VCTRL1
12
VDDPLL1
11
VDDVCO1
13
VDD_PFDCP1
14
VCCXTAL
15
XTALOUT
16
XTALB
17
XTALA
18
VCCDIO
19
VDDPFD3
21
VDDVCO3
24
VDDPLL3
20
VCTRL3
22
VCTRLVCO3
23
DVDD
25
SCLK
26
SDAT
27
ASIN
28
ON
29
OP
30
VDD_IFVGA
32
VCTRL
31
VCTRL2
48
VDDVCO2
49
VDD3V_LNABS
43
LNA_IP
45
LNA_IN
44
VDD3V_LNA
46
VDD3V_MIX
42
VDD3V_SAW1
41
SAW_OP1
40
SAW_ON1
39
SAW_OP2
38
SAW_ON2
37
AGC_CP
35
VDD3V_AGC
36
IP
33
IN
34
OUTPSAW
52
OUTNSAW
51
VDDPFD2
47
VCO2_BYPASS
50
VDDSAW
53
VDDMX
54
RFLBin_n
60
RFLBin_p
61
VDD_HRM
57
RFLBou t_n
63
RFLBou t_p
64
RFHBin_n
55
RFHBin_p
56
VDD_NotchDRV
62
RFHBou t_n
59
RFHBou t_p
58
GND
65
IC100
MSR1200
C141
680p
L113
120R/100MHz
C168
100n
R114
4K3
C144
100n
C170
100n
C125
68p
R112
100R
R117
NP/8K2
C148
100n
AIFP
AIFN
RFAGC3
XTALOUT
RSSI
I2C-SDA-Tuner
I2C-SCL-Tuner
IFAGC
IF-
IF+
VDD33
VDD33
VDD33
Zin = 200 Ohm
PLL3 Loop Filter
PLL2 Loop Filter
49mA
16mA
0.47mA
45mA
45mA
11mA
2mA
2mA
29mA
2mA
11mA
1mA
23mA
0.18mA
19mA
25mA
5.5mA
38mA
3.8mA
39mA
16mA
20mA 20mA 1.5mA 64mA 50mA
37mA
12mA
12mA
0.16mA
0.16mA
H.P.F
3rd @40MHz H.P.F can attenuate 40dB @ 250KHz
L111
220n
C120
56p
VDD_Antena
VDD33
C119
1n
VDD_Antena
R123
NP/0R
TU_RSSI
R126 130K
R127
750K
C172 56p
C173 33p
C175
270p
C174
82p
L114
1u
L116
150n
L117
330n
R124 22K
C177
NC
S100
RFIN
i
PCB Rule
L118
220n
C178
56p
1
2 3
4
5
F102
LV01A 1575MHz)
C181
33p
C182
68p
L119
5.6nH
C180
2.2p
C179
2.2p
L120
4.7nH
Single ended SAW
in case of single ended SAW
place 68pF capacitor on L102 and L108
C183
1u
VDD33_LDO
VCC3.3-Sil_T
600mA
C184
100n
GND
GND
ADJ
1
VOUT
2
VIN
3
TAB
2
IC101
NCP1117DTAT5G
Pd=1W
Thermal pad required
R140 91R
R141 150R
C186
4.7u
VCC5V
C185
220u/16V
VDD33_LDO
RSSI/AMBILIGHT/2ND LED
AP1117
3
Thermal
Shutdown
1
2
V
out
Adj
1.25V
+
+
CURRENT
LIMIT
V
in
-
+
+
1
GND
(FIXED)
-
8
5 6
8
8
6
5
Tuner (Onboard, PCB Index R-3)
Vorabversion
Preliminary Version