Mitsubishi Electric LT-55154 Service Manual page 60

TUNER
L1C02
LQW18ANR22J00D
CN1C01 These components located
inside shield case.
C1C10 C1C12 DGND
470 82
25V/50V 50V
4 3
LQW18ANR27J00D 1 2
L1C01 DXW21BN7511T
T1C01
DGND
C1C11
120
50V DGND
DGND C1C20
1200
50V
C1C07
4700
50V
C1C02
1200 X1C01
50V
36 35 34 33 32 31 30 29 28 27 26 25
37 24
C1C03
1200
38 23 50V
C1C08
39 IC1C01 22
Si2172-A10-GM
40 21
20
41
42 49 19
43 18
44 17
DGND
16
45
46 15
47 14
48 13
1 2 3 4 5 6 7 8 9 10 11 12
N-600 ohm
C1C06
C1C21
1200
50V 0.1
DGND 25V/16V
C1C16 DGND
1200
50V
C1C13
DGND 0.1
25V/16V
L1C03
N-220 ohm
3.3VS
C1C15
0.1
C1C18 25V/16V
100
16V
DGND
L1C04
N-220 ohm
1.8VS
C1C22
0.1
C1C17 25V/16V
100
16V
DGND
USB HUB - 4PORTS DOWNSTREAM
TO MAIN 2
*R1E48 *R1E37
10K 10K
1/16W 1/16W
*C1E48
10uF
48 47 46 45 44 43 42 41 40 39 38 37
6.3V
1 36
*C1E01
10uF 2
35
6.3V
DGND
3 34
DGND
4 33
*D1E05 *C1E33
SML-210FT 0.1
5 32
25V/16V
*IC1E01
*R1E05 6
*D1E06 330 UPD720114GA-YEU-A 31
DGND
SML-210FT 1/16W
*R1E07
0 7 30
1/16W
*C1E09
8 29
0.1
25V/16V
9 28
*C1E30
0.1
10 27 25V/16V
DGND
11 26
DGND HUB-DP1
HUB-DM1
12 25
HUB-DP2
13 14 15 16 17 18 19 20 21 22 23 24
*R1E11 HUB-DM2
*C1E12
0
0.1
1/16W 25V/16V
DGND
*C1E10 *C1E11
12 10 DGND
50V 50V *C1E20
*R1E15 *C1E17 0.1 *C1E24
2K 10uF 0.1
25V/16V
1/16W 6.3V 25V/16V
DGND DGND
*R1E16 DGND
DGND
430
1/16W *C1E19
0.1
25V/16V
*C1E16
0.1
25V/16V
DGND
TO MAIN-04
[DMCORE]
C1C05
1200
50V
C1C01
1200 DGND
50V
R1C02
100
1/16W TUNER-IF-P
1200 MAIN-04
50V
C1C09 TUNER-IF-N
1200 50V
R1C07 100 1/16W
L1C05 N-600 ohm
TUNER-SDA-M0
L1C06 N-600 ohm MAIN-04
TUNER-SCL-M0
R1A07 R1A08
3.3K 3.3K
1/16W 1/16W
C1C04
1200
50V
DGND
L1C07
RSTB TO MAIN 4
TU-CVBS
TO MAIN 4
R1A19
12K
1/16W
TUNER-SIF TO MAIN 4
R1A20
8.2K
1/16W
DGND
USB2.0 (Use for SW Wi-Fi)
*R1A05 *R1A04
0 0
5VS 1/16W 1/16W
3.3VS
*R1A02
10K
1/16W
*C1A02
MAIN-02 HUB-CSB1 *C1A01
USB-HUB 10uF 0.1
6.3V 25V/16V
DGND
3.3VS
TO MAIN 1,2,3,7,
8,9,10,11
6 5 4
TO MAIN 2
*VR1A02
AVF
VARISTOR
AVF16C225A000F405
*L1A01
1 2 3 N-220 ohm
*C1A04
100 *L1A03
16V
DLW21SN900SQ2L
HUB-DM1 DGND
1 2
TO MAIN 2
USB-HUB
4 3
HUB-DP1
*L1A02
N-220 ohm
DGND
ETHERNET JACK
L1D01
68MH
A2.5V_BCM3549
C1D02
C1D01 R1D03 R1D04
22 2.2U
0 0
6.3V 6.3V 1/16W 1/16W
C1D03 C1D04
1000 1000
DGND 50V 50V
DGND
DGND DGND
NC
CT
RX- EPHY1-RDN
RX+ EPHY1-RDP
CT
TX- EPHY1-TDN
TX+ EPHY1-TDP
RJ-45 Jack w/ magnetic
DGND
EPHY2-RDP
TO MAIN 4
EPHY2-RDN
EPHY2-TDP
TO MAIN 4
EPHY2-TDN
USB Conn (Use for Power Only)
5VS
R1B11
10K
1/16W
IC1B03
MIC2005-0.5YM6 TR
1 VIN VOUT 6
C1B10 C1B11
2 GND CSLEW
10uF 0.1 5
6.3V 25V/16V
3 EN FAULT/ 4
DGND
L1B07
N-220 ohm
*C1A05
+5V C1B12
1
0.1 100
16V
25V/16V
D-
2
D+
3
GND
4
DGND
USB2.0 (Use for SW Update)
5VS
TO MAIN 2 R1B03
HUB-PPB2 10K
USB-HUB 1/16W
R1B01
Q1B01
3.3K
3.3VS 1/16W RT1N436C-T112-1
MIC2005-0.5YM6 TR
R1B02
10K
1/16W
DGND
TO MAIN 2 HUB-CSB2 C1B01 C1B02
0.1
USB-HUB 10uF
6.3V 25V/16V
DGND
6 5
VR1B02
AVF
AVF16C225A000F405 VARISTOR
1 2
HUB-DM2
TO MAIN 2
USB-HUB Differential impedance: 90ohm
HUB-DP2
USB2.0 (Use for Bluetooth, GH-conn)
*IC1B06
MM3376A33NRE
5VS
1 5
*C1B03
0.1
*R1B08
25V/16V 2
*R1B04 2.2K *C1B07
1/16W 0.1
0
BT-PWR 1/16W 25V/16V
TO MAIN 4 3 4
4
DGND
*VR1B04
VARISTOR
AVF16C225A000F405
3
USB-DM2
TO MAIN 4
USB-DP2
C1B13
+5V
0.1
25V/16V
D-
D+
GND
IC1B01
1 VIN VOUT 6
2 GND CSLEW 5
3 EN FAULT/
4
4
L1B01
3 N-220 ohm
C1B04 C1B05 +5V
100 L1B03 0.1 1
16V
DLW21SN900SQ2L 25V/16V
DGND D-
1 2
2
4 3
D+
3
L1B02 GND
N-220 ohm 4
DGND
DGND
5 6
*R1B05
0
1/16W
AVF
*L1B04
2 1 N-220 ohm
+3.3V
*C1B09 *C1B08
100
0.1 *L1B06 16V
25V/16V DLW21SN900SQ2L
DGND D-
D+
GND
*L1B05
N-220 ohm
DGND
DGND