AOC LE32M3571/91, Service Manual

Page: 37 / 38

5
5
4
4
3
3
2 1
D D
C C
B B
A
IF-
IF+
IF-IN+
IF-IN-
IF_AGC_T
DIF+ IF-IN+
IF-IN- DIF-
IF_AGC_T
RF
SCL-T
SDA-T
SDA-T
SCL-T
SCL-T
SDA-T
IF_AGC_T
IF-IN+
IF-IN-
+3.3V_TU
+3.3V_TU
+3.3V_TU
DIF- 5
DIF+ 5 IFAGC_T 5
TUNER_SCL 5
TUNER_SDA 5
TUNER
Si2151
DVB-C/T/T2 DIF
AGC RC Filter &I2C
Close Tuner
I2C Addr:
0xC0
Copyright@ ShenZhen KTC Technology Co., LTD
Do not spread to third party without the written permission.
This document for ShenZhen KTC Technology CO., Ltd and presented party internal use only,
Tuner
R2 0R R2 0R
C20
33pF/ONBOARD
C20
33pF/ONBOARD
C39
NC/33pF C39
NC/33pF
L3
270nH/ONBOARD L3
270nH/ONBOARD
CON1
TUNER_CONNECTOR
CON1
TUNER_CONNECTOR
1
2
3
4
L9 0R L9 0R
L6
270nH/ONBOARD L6
270nH/ONBOARD
C539pF/ONBOARD C539pF/ONBOARD
C8
39pF/ONBOARD
C8
39pF/ONBOARD
R13 0R R13 0R
L5
270nH/ONBOARD
L5
270nH/ONBOARD
L2
270nH/ONBOARD
L2
270nH/ONBOARD
C1031
10uF/6.3V
C1031
10uF/6.3V
C13
180pF/ONBOARD C13
180pF/ONBOARD
D1
BAV99/ONBOARD D1
BAV99/ONBOARD
3
2
1
C1
1nF C1
1nF
L1
270nH/ONBOARD
L1
270nH/ONBOARD
J3
22*16MM
J3
22*16MM
1
2
3
4
C2
1nF/ONBOARD
C2
1nF/ONBOARD
C73
8pF/nc
C73
8pF/nc
L8 0R L8 0R
C1030
10uF/6.3V/ONBOARD
C1030
10uF/6.3V/ONBOARD
C72 8pF/NC/ONBOARD C72 8pF/NC/ONBOARD
C41
NC/33pF C41
NC/33pF
ANT
SI2151
ANT
SI2151
DIFN
7
CLK_OUT
6
SDA
4
GND
5
GND
11
ANT_DC
1
GND
10
GND
12
GND
13
IF_AGC
9
DIFP
8
SCL
3
3.3V
2
C19
33pF/ONBOARD
C19
33pF/ONBOARD
C58
0.1uF/NC C58
0.1uF/NC
C3
1uF/ONBOARD
C3
1uF/ONBOARD
L4
180nH/ONBOARD L4
180nH/ONBOARD
Y1
24MHZ/8pF
Y1
24MHZ/8pF
1
2
3
C6 47pF/ONBOARD C6 47pF/ONBOARD
C4
0.1uF/ONBOARD
C4
0.1uF/ONBOARD
R3 0R R3 0R
R1
0R/ONBOARD
R1
0R/ONBOARD
C7
0.1uF/ONBOARD
C7
0.1uF/ONBOARD
U2
Si2151
U2
Si2151
RF_REF
19
RF_IP
20
RF_IN
22
ADDR
23
SCL
3
SDA
2
G
ND
8
G
ND
16
XTAL_O
14
XTAL_I
13
G
ND
21
G
ND
_
EPAD
25
NC
18
AGC2
4
AGC1
5
1
.8V
7
3
.3V
9
GPIO2
1
3
.3V
15
GPIO1
24
3
.3V
17
IF_N
10
IF_P
11
XOUT
12
G
ND
6
36