AOC LE32M1570, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
D D
C C
B B
A
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
+3.3V_TU
+3.3V_TU
DIF- 5
DIF+ 5
IFAGC_T 5
TUNER_SCL 5
TUNER_SDA 5
TUNER 屏蔽罩
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,
R2 0R R2 0R
C20
33pF
C20
33pF
C39
NC/33pF
C39
NC/33pF
L3
270nH
L3
270nH
CON1
TUNER_CONNECTOR
CON1
TUNER_CONNECTOR
1
2
3
4
L9 0R L9 0R
L6
270nH
L6
270nH
C5 39pF C5 39pF
C8 39pF C8 39pF
R13 100R R13 100R
L5
270nH
L5
270nH
L2
270nH
L2
270nH
C1031
10uF/6.3V
C1031
10uF/6.3V
C13
180pF
C13
180pF
D1
BAV99
D1
BAV99
3
2
1
C1
1nF
C1
1nF
L1
270nH
L1
270nH
J3
22*16MM 屏蔽罩
J3
22*16MM 屏蔽罩
1
2
3
4
C2
1nF
C2
1nF
C73
8pF/nc
C73
8pF/nc
L8 0R L8 0R
C1030
10uF/6.3V
C1030
10uF/6.3V
C72 8pF/nc C72 8pF/nc
C41
NC/33pF
C41
NC/33pF
C19
33pF
C19
33pF
C58
0.1uF
C58
0.1uF
C3
1uF
C3
1uF
L4
180nH
L4
180nH Y1
24MHZ/8pF
Y1
24MHZ/8pF
1
2
3
C6 47pF C6 47pF
C4 0.1uF C4 0.1uF
R3 0R R3 0R
R1 0R R1 0R C7 0.1uF C7 0.1uF
U2
Si2151
U2
Si2151
RF_REF
19
RF_IP
20
RF_IN
22
ADDR
23
SCL
3
SDA
2
GND
8
GND
16
XTAL_O
14
XTAL_I
13
GND
21
GND_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
GND
6
37