Bush A626N Service Manual page 59

17) TUNER
U400B
DVDD25_IFADC
154 143
DVDD25_IFADC AVDD33_DIG
DVSS25_IFADC 155 142
DVSS25_IFADC AF
FAT_IN+
156 141
VIP_ATV SIFN
140
SIFP
FAT_IN- 157 139
VIN_ATV AVDD33_SIF
AVSS25_IFADC
158
AVSS25_IFADC
AVDD25_IFADC
159 186
AVDD25_IFADC RF_AGC
185
IF_AGC
184
TUNER_DATA
183
TUNER_CLK
MT5360BMU/B
+5V_TUNER +5V_TUNER
R1120
10K 1/10W 5%
C7939
Q781
CVBS ATV_CVBS_OUT
2SD2653K
47UF 25V R1121
10R 1/10W 5%
75R 1/10W 5%
R1124
NC/0R05 1/10W 5% R1126 R1125
33K 1/10W 5%
SIF2 R1128 0R05 1/16W
FB789 SIF1
+5V_T
R1130 330R 1/16W 5%
1 2 +5V IF
NXP_DIF1
120R/500mA
C7944
C7945 C7946
100N 16V 100N 16V
SMD/0402
AS_IF
R1132
R1133
TU501
28
TH4
27
TH3
CVBS
24 C771
CVBS
AS_IF
23 39pF 50V
AS_IF
22
NC
SIF2
21
SIF2
SIF1
20
SIF1
19 +5V IF
+5V IF
18 NC
NC
NXP_DIF2
17 R765
DIF2
NXP_DIF1
16 R766
DIF1
15 NC IF_AGC_LG
IF_AGC
14
REF
SDA
13
SDA
12 SCL
SCL
11 AS_TUNER
As
10 NC/0R05 1/10W 5% R7830
NC
9
GND
8 1
VT
+5V_T3
7 TP777
VP(TUN)
6
GND
5 RF_AGC_Tuner
RF_AGC
4
NC
3
GND
2
Ant Pwr
1 1
RF_IO
TP779
26
TH2
25
TH1
TUNER
TUNER
DVB-T FQD1116ME/BH-TPV
AVDD33_DIG
1 TP502
MPX0N
MPX0P
C777
AVDD33_SIF 47N16V
10K 1/16W 5%
R7813 R7814
IF_AGCT IF_AGC
TUNER_SDA1 R503 0R05OHM1/16W
TUNER_SCL1
10K 1/10W
C508
47N 16V
Near chip
C7938
100N 16V
Near IC
Near Tuner
R1122 R1123 C7940
75R 1/10W 5% 100R 1/16W 5% 47N16V
ATV_CVBS_OUT
47PF 50V
75R 1/10W 5% C7941
R1127
Connected to Tuner GND
CVBS0P used GND
sheilding
Near Tuner
NXP_DIF2 R1129 MPX0_TUN
NXP_DIF1
0R05 1/10W
C7956
NC/15P 50V R1131 MPX0_GND
NXP_DIF2
3P3 50V 0R05 1/10W
ROUTE SYMMETRICALLY
NC/0R05 1/10W 5% +5V_T
0R05 1/10W
+5V_TUNER
100OHM1/16W SMD/0402
DFAT_IN+
R7831
R7832 DFAT_IN-
100OHM1/16W SMD/0402
C772
39pF 50V
C778
47N16V
R7816 IF_AGC
10K 1/10W
TUNER_SDA1
R7822 200R 1/16W 5% TUNER_SCL1
R7824 200R 1/16W 5%
+5V_T3
Q784
NC/BC857C R7958
CI_GPIO6
100K 1/10W 5%
R7957 RF_AGC_P
10K 1/10W
C7957
47N16V
FB512
AV25
AVDD25_IFADC
1 2
120R/500mA
C510 C511
1uF/16V 4.7UF 10V
AVSS25_IFADC
RF_AGC_P
FB501
AV25
DVDD25_IFADC
1 2
120R/500mA
C553 C608
1uF/16V 4.7UF 10V
DVSS25_IFADC
CVBS0P
CVBS0P 9
ATV_CVBS_OUT 11
IF BPF
DFAT_IN-
NEAR 5361
C7942 MPX0P DFAT_IN+
10N 16V
SMD/0402
C7943 MPX0N
CLOSE TO MT5362
10N 16V
SMD/0402
SDA SCL
C782 C783
100P 50V 100P 50V
59
FB509
+5V_T3 1
220R/2000mA
C512 C550 C552
100N 16V 100N 16V 10U 10V
SMD/0402
FB508
AV33
AVDD33_DIG
1 2
120R/500mA
C547
C545 C546
1uF/16V 4.7UF 10V
100N 16V
AVSS33_DIG
SMD/0402
C586 NC/39pF J 50V
C791 10N 50V
FAT_IN+_P
R551 R554
0R05 1/10W 0R05 1/10W
C585 L503
NC/56pF 50V NC/0.33uH 10%
C792 10N 50V
FAT_IN-_N R552 R555
0R05 1/10W 0R05 1/10W
C587 NC/39pF J 50V
R7940
0R05 1/4W
R7943
0R05 1/4W
R7946
0R05 1/4W
R7948
0R05 1/4W
R7950
0R05 1/4W
R7952
0R05 1/4W
R7954
0R05 1/4W
FB506 +5V_TUNER
+5V_T +5V_T 220R/2000mA
2 1 2
C539 C540
+
100N 16V 100uF 16V
FB505
AV33
AVDD33_SIF
1 2
120R/500mA
C548 C541 C542 C543
1uF/16V 4.7UF 10V
100N 16V 100N 16V
AVSS33_SIF
SMD/0402 SMD/0402
CI_GPIO6
15 CI_GPIO6
R7905
NXP LG PSC
FAT_IN+
0R05 1/16W
C843 8.2P 8.2P NC
C7843
NC/8.2pF 50V
R7906
FAT_IN-
0R05 1/16W