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M_
SD
A
M_
SC
L
IF_AGC
RT21
0o
hm-0
40
2-±5%-1
/16
W
RT18
NC/10Kohm
-04
02-±
5%
-1
/16W
3V3_Tun
TDA_IF_AGC
GND
GND
3V3_Tun
RT14
4K
7ohm-0
402-±5%-1
/16
W
RT15
4K
7ohm-0
402-±5%-1
/16
W
CT33
33
pF-0
40
2-N
PO
-±5%-5
0V
CT34
33
pF-0
40
2-N
PO
-±5%-5
0V
RT16
10
0o
hm-0
402-
±5
%
-1/16W
RT17
10
0o
hm-0
402-
±5
%
-1/16W
CT19
0.1uF
-0
40
2-Y
5V
-+
80%-20%-1
6V
CT27
0.1uF
-0
40
2-Y5V
-+
80%-20%-1
6V
CT32
0.1uF
-0
40
2-Y5V
-+
80%-20%-1
6V
TUNER_S
D
A
TUNER_S
C
L
CT21
NC/56pF-0
40
2-NPO-±5%-5
0V
CT22
NC/56pF-0
40
2-NPO-±5%-5
0V
GND
GND
VIFM
VIFP
LT10
NC/68
0o
hm-0
40
2-±5%-
1/16W
VDD_
3P
3_
1
1
LNA_INP
2
LNA_INN
3
VDD_
1P
8_
1
4
AGC_2/GP
O3
5
AGC_1
6
IF_OUTN_2/GPO_1
7
IF_OUTP_2/GPO_2
8
IF_OUTN_1
9
IF_OUTP_1
10
VDD_3P3_2
11
VDD_1P8_2
12
VDD_
1P
2
13
GND_
DIG
14
VDD_1P8_3
22
GND_XTAL
21
XTAL_P
20
XTAL_N
19
CLK_O
U
T
18
SDA
17
SCL
16
VDD_
IO
15
AS
24
RESET_N
23
PADGND
25
UT
2
M
xL6
01
+3.3VRF
1.8VRF
IFN
IFP
CT15
0.1uF
-0402
-Y
5V
-+
80
%
-20%-1
6V
+3.3VRF
1.8VRF
CT12
0.1uF
-0
40
2-Y
5V
-+
80%-20%-1
6V
+3.3VRF
CT6
0.1uF
-0
40
2-Y
5V
-+
80%-20%-1
6V
GND
GND
CT4
0.01
uF-0
40
2-X7R-±1
0%
-16V
GND
1.8VRF
GND
CT8
1000p
F-040
2-X7R
-±
10%
-5
0V
LT3
33
nH-0
40
2-±5%-1/4(
)
LT6
33
nH
-0402
-±
5%
-1/4(
)
CT9
1000p
F-040
2-X7R
-±
10%
-5
0V
LT2
HQ1005C8N2JT
RT3
10
0o
hm-0
402-
±5
%
-1/16W
CT14
NC/0.
1uF-0
402-Y
5V
-+80%-2
0%
-1
6V
GND
CT11
0.1uF
-0
40
2-Y5V
-+
80%-20%-1
6V
GND
+3.3VRF
RT1
750Kohm
-0
402-
±5
%
-1/16W
GND
GND
RT4
6K
8ohm-0
402-±5%-1
/16
W
GND
CT2
1800p
F-040
2-X7R
-±
10%
-5
0V
CT1
1u
F-0402
-X5R-±20%-6
.3V
C78
1u
F-0402
-X5R-±20%-6
.3V
YT1
16
M
H
z-±
20
PP
M
-20PF
-HC-49S-SMD-JWT
RF_INPUT
CT10
5.6pF
-0402
-N
PO
-±
5%
-50V
CT16
1.8pF
-0402
-N
PO
-±
0.25pF
-50V
GND
GND
LT1
MGHB100
5S
102T-LF
CT17
1000p
F-040
2-X7R
-±
10%
-5
0V
IFP
IFN
CT23
0.1uF
-0
40
2-Y5V
-+
80%-20%-1
6V
5V_M
VI
3
VO
2
ADJ
1
VO
4
UT1
LC1117CLTR33
CT7
0.1uF
-0
40
2-Y5V
-+
80%-20%-1
6V
GND
CT5
10
uF-0
60
3-X
5R
-±
20
%
-6.3V
CT25
10
uF-0
60
3-X
5R
-±
20
%
-6.3V
3V3_Tun
TUNER_S
C
L
TUNER_S
D
A
TDA_IF_AGC
+3.3VRF
CT3
0.1uF
-0
40
2-Y5V
-+
80%-20%-1
6V
LT7
FCM100
5KF-
12
1T06(120o
hm
-5
00mA)
CT13
10
uF-0
60
3-X
5R
-±
20
%
-6.3V
GND
CT28
1000p
F-040
2-X7R
-±
10%
-5
0V
CT24
NC/120pF
-0402
-N
PO
-±
5%
-5
0V
GND
LT9
NC/SDCL1005CR33JTDF
GND
LT4
SDCL100
5CR33JTDF
GND
GND
DT1
NC/BAV
99-BR
RF_INPUT
GND
1
2 3 4 5
RF
GND
GND
GND
GND
RFT1
T-1
4.5×
25
×9
-F14.5-LHD
Summary of Contents for 55dr3505
Page 10: ...Service Manual Model No 2 2 External pictures four faces Front Side Up Side 9 55DR3505 ...
Page 11: ...Service Manual Model No Right Side Back Side 10 55DR3505 ...
Page 18: ...Service Manual Model No 17 55DR3505 ...
Page 31: ...Service Manual Model No 7 2 Wiring Connection Diagram 30 55DR3505 ...
Page 37: ...Service Manual Model No 9 2 Mainboard IC Introduction Top view 36 1 2 3 4 5 6 7 8 55DR3505 ...
Page 38: ...Service Manual Model No Bottom view 37 55DR3505 ...