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Panasonic TH-65GX706M Service Manual page 36

Chassis 9m40t

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Page5 Tuner
SI2151-----双 头
JA0T3
3
FB0T9
4
GND
60Ω/100MHz
+3.3V_Standby
5
GND
GND
6
1
C2
GND
RF1
FB0T5
7
2
ANT_PC
GND
RF2
+3.3V_Normal
+3.3V_TU
8
GND
9
60Ω/100MHz
GND
10
C3T101
C3T100
11
GND
C0T2与C0T3两个电 容15脚与17脚各一 个
GND
10uF
100nF
RF SOCKET
6.3V
16V
C2T01
C2T00
JA0T2
3
1nF
1nF
4
GND
50V
50V
GND
5
GND
6
1
C2
C1T93
120pF
GND
RF1
7
2
ANT_PC
50V
GND
RF2
8
GND
9
U1T4
10
GND
D2T3
D1T8
11
GND
TT0521SB
GND
RF SOCKET
TVS_2_01
C1T104
1nF 50V
19
L3T7
270nH
L3T5
270nH
20
RF_REF
RF_P
C2T61
39pF
50V
21
GND
C2T69
47pF
R0T20
C2T62
39pF
50V
22
RF_IN
50V
23
JA0T1
ADDR
L4T0
L3T2
270nH
L5T3
270nH
24
GPIO1
RF SOCKET
25
1
EPAD
C2
L3T1
C3
R2T01
100Ω
F SMD
需增加 单
180nH
270nH
C1T95
SI2151-A10
180pF
50V
C1T06
JA0T4
C1T05
NC/RF SOCKET
1
C2
靠近Tuner
R9T3
100Ω
原理图注意事项:1、AGC要需要使用两阶RC电路
2、其它位置的参数都有请FAE确认,实际使用根据调试情况可以适当修改
PCB注意事项:1、C2T01与C2T00两个电容15脚与17脚各一个
2、电源的去耦电容每个引脚一个,尽可能靠近IC管脚
DVB-S/S2
+3.3V_S2
C3T97 1uF
10V
+3.3V_Normal
C3T98 33pF
50V
R4T2为欧洲tuner分离使用,确保tuner板LNB供
C3T94
C4T00
C3T77
电与主板LNB供电分开
C3T96
C3T93
NC/2.2nF
1nF
1nF
90 OHM阻抗管控
50V
50V
50V
R4T5
1uF
1nF
S_XTAL1
+VCC_LNBA
10V
50V
C3T92
10pF
U0T1
X1T2
50V
电感选用物料4876-S122C0-5300
L8T5
L8T7
4
3
NC/22nH
NC/22nH
pin3连接到芯片中间的地,并与外围最近的地相通
27MHz
1
2
1
15
C3T82 100nF
16V
VCC
XTAL1
ANT_PC
2
14
C3T88
2.2pF
C4T04
C3T91
10pF
1.5pF
RFIN
XTAL2
50V
50V
L8T6
50V
3
13
1
S_XTAL2
GND
SDA
L8T4
TT0521SB
IFAGC-S
R2T16
100Ω
4
12
RFAGC
SCL
C3T76
C4T01
5
11
R2T15
RFLP
ADDR0
D1T2
4.7nH
C4T03
4.7nH
100nF
NC/100nF
Close to tu ner
16V
16V
NC/47pF
C3T78
50V
FAE要 求预留的
此部分的参 数可以根据
实际需要进 行调整
39pF
AGC CIRCUIT
50V
AV2017-S85QFG
+3.3V_S2
C3T99
C3T79
75Ω阻抗
33pF
100nF
50V
16V
90Ω阻抗
10pF
RXIP
C3T87
C3T84
100nF
R2T5
50V
16V
RXIN
C3T85
10pF
C3T75
100nF
R2T21
50V
16V
C3T86
10pF
RXQN
C3T80
100nF
R2T22
50V
16V
C3T89
10pF
RXQP
C3T81
100nF
R2T23
50V
16V
ATSC 3.0
RP0T1
75Ω X 4
TS1_D0
TS1-D0
2
1
TS1_D1
TS1-D1
4
3
TS1_D2
TS1-D2
6
5
TS1_D3
TS1-D3
8
7
RP0T2
75Ω X 4
TS1_D4
TS1-D4
2
1
TS1_D5
TS1-D5
4
3
TS1_D6
TS1-D6
CN0F1
6
5
TS1_D7
TS1-D7
8
7
TS1-D0
1
2
TS1-D1
3
4
TS1-D2
TS1-D3
5
6
TS1-D4
TS1-D5
TS1-D6
7
8
TS1-D7
9
10
TS1-CLK
RP0T3
75Ω X 4
TS1_VLD
TS1-VLD
TS1-VLD
11
12
TS1_SYNC
2
1
TS1-SYNC
TS1-SYNC
13
14
R9T6
4
3
15
16
IF-AGC_D
R9T7
6
5
TS1_CLK
TS1-CLK
T_SDA
D_SDA
17
18
D_SCL
T_SCL
8
7
19
20
+3.3V_ATSC
+3.3V_ATSC
100Ω
100Ω
TS1_D[7:0]
[10]
CN-M
TS1_D0
TS1_D1
TS1_D2
TS1_D3
TS1_D4
R0T23
R0T24
TS1_D5
NC/0Ω
NC/0Ω
TS1_D6
TS1_D7
TS1_CLK
TS1_CLK [10]
TS1_VLD
TS1_VLD [10]
TS1_SYNC
FB0T8
TS1_SYNC
[10]
NC/60Ω/100MHz
T_SCL
+3.3V_Normal
+3.3V_ATSC
T_SDA
Demod_RST
C3T105
C3T104
Demod_RST
10uF
100nF
T_SCL
R0T21
NC/0Ω
Tuner_SCL
IF-AGC_D
6.3V
16V
T_SDA
R0T22
NC/0Ω
Tuner_SDA
DVB_T2 POWER CONTROL
T_XTAL_O
+3.3V_TU
24 MHz /ESR< 120 , CL=8pF
F AE 建 议 对 于8 P F 的 负 载 电 容 的 晶 振
C1T57
X0T8
C3
24MHz
100nF
16V
T_XTAL_I
IF
网络上必须 要有一 级
RC
靠近
Tuner
12
XOUT
11
T_IF+
IF_IN+
LIF_P
10
T_IF-
IF_IN-
LIF_N
9
VDDH
8
GND
7
C1
VDDL
C1T103
C2T07
1nF
1uF
50V
6.3V
47pF
C1T102
1nF
天线馈电控制:
50V
50V
47pF
C1T56
100nF
1,OSD设置ANT POWER开关项
+3.3V_TU
50V
16V
ON 时,C1 输出高电平,C3输出高电平,打开E9 脚电平检测功能
T_IF_AGC
OFF时,C1输出低电平,C3输出高电平,关闭E9脚电平检测功能
R9T5
R1T3
1KΩ
R9T14
NC/0Ω
IFAGC-T
100Ω
AGC
采用几级
RC
取决于后面 的
Demod
2,故障检测及恢复机制
C3T3
R9T19
NC/0Ω
IF_AGC_M
靠近Tuner
OSD菜单ANT POWER为ON 时起作用
100nF
a. 正常情况下,E9脚检测到高电平
16V
R1T13
b. 异常时,E9 脚检测到低电平,此时C1 需置为低电平,C3 置为低电平,
IF-AGC_D
此后当E9脚检测到高电平时,恢复C1高电平输出,同时C3 恢复为高电
NC/1KΩ
C5T1
平,重新回复到正常工作状态
NC/100nF
16V
R9T10
NC/0Ω
SCL-T
R9T11
NC/0Ω
SDA-T
VCC_LNBA Power
+12V_NOR
L4T1
10uH
SS14
D4T1
C4T7
C4T1
10uF
50V
FB0T4
+3.3V_S2
U0T5
+3.3V_S2
9
10uF
R4T19
NC/10KΩ
60Ω/100MHz
8
EP
1
R4T17
1KΩ
50V
DISEQC
7
EXTM
VIN
2
C3T90
C3T83
R4T16
1KΩ
LNB_SEL
6
H/V
VLNB
3
C4T10
R4T18
1KΩ
10uF
100nF
LNB_EN
5
EN
VSW
4
6.3V
16V
LX
VCP
50V
SGM41286YPS8G/TR
100nF
+3.3V_S2
D4T4
SS14
R2T19
R2T20
4.7KΩ
4.7KΩ
100Ω
R2T18
T_SDA
100Ω
R2T17
T_SCL
C4T02
NC/47pF
50V
MSB3400
兼 容菲律宾EWBS,欧版NC
IP-S
NC/51Ω
TS0_D[7:0]
TS0_D[7:0]
IM-S
TS0_D0
NC/51Ω
TS0_D1
NC/51Ω
QM-S
TS0_D2
TS0_D3
NC/51Ω
QP-S
TS0_D4
TS0_D5
TS0_D6
TS0_D7
U1T6
SCL-T
R9T18
NC/0Ω
1
2
I2CS_SCL
TS_D[6]
GND
TS_D[7]
XODEM
3
XTAL_OUT
TS_CLK
XIDEM
4
XTAL_IN
MSPI_CSZ
AVDD33_MPLL
5
6
AVDD33_MPLL
MSPI_D0
7
NC
MSPI_DI
IF_AGC_OUT
8
IFAGC
GND
T_IF+
R0T31
100Ω
C3T5 100nF 16V
IP_M
MSB3400
T_IF-
IM_M
9
IP_T
RESETZ
R0T32
100Ω
C3T6 100nF 16V
10
IM_T
MSPI_CLK
11
GND
VDD33
12
NC
GND
NC
VDD
+3.3V_ATSC
33pF
R1T65
XODEM
C3T7
50V
470KΩ
X0T3
C2T1 1uF
24MHz
TS_ERR
16V
33pF
R1T17
R1T5
Demod_RST
XIDEM
C3T8
50V
NC/10KΩ
NOTE:
晶体频 偏需要 小于
30 PPM
C1=C2=
CL-Cs
*2
Buzzer_CTRL
R0T30
H/W Strap x2bits
I2C slave address:
TS_ERR=0, I2C address=0xD2
TS_ERR=1, I2C address=0xF2 (Default)
Reset
+3.3V_Standby
+3.3V_Standby
+3.3V_Standby
IF AGC
R1T21
R1T20
10KΩ
10KΩ
IF_AGC_OUT
R0T27
IF_AGC_M
RESETn_M
C0T12
C0T13
10uF
22nF
6.3V
25V
Close to Demod
Buzzer_CTRL
Buzzer_CTRL
DVB-C/T/T2 IF
+3.3V_Normal
IF_IN-
R0T1
R1T12
C0T1
R1T08
4.7KΩ
50V
10KΩ
47pF
Q1T8
R1T02
10KΩ
1
IF_IN+
B
MMBT3906
R0T2
R1T05
10KΩ
5V_DETE
C0T2
50V
R1T11
47pF
C1T61
+5V_Normal
100nF
22KΩ
16V
3
2
C2
F0T1
F0.2A L24V
L3T0
1KΩ/100MHZ
Q1T4
R1T03
C1T71
ME2345A
C1T81
T2 +5V POWER
10KΩ
100nF
100nF
R1T04
16V
16V
10KΩ
R1T06
1
Q1T5
KMBT3904
10KΩ
C1T69
100nF
16V
台湾滑轨式分离TUNER
R9T22
NC/0Ω
CN0T2
T_IF_AGC
TW_IF_AGC
1
3
T_SDA
R9T21 NC/0Ω
TW_SDA
5
+3.3V_Normal
IF_IN-
TW_T_IF-
7
9
R0T25 NC/0Ω
NC/CN-M
EN: 0-Disable,1:-Enable
C4T8
C4T9
H/V:0-V,1-H (默认输出14V\19V,当LNB_EN连续输出三个脉冲时,输出13V\18V)
100nF
22K:0-Inter,1:Exter
10uF
50V
50V
NC/SS14
D4T2
SS14
+VCC_LNBA
D4T3
C4T22
100nF
R4T15
50V
NC/4.7KΩ
1.15V
RP0T4
75Ω X 4
TS0-D3
TS0_D3
TS0-D2
2
1
TS0_D2
TS0-D1
4
3
TS0_D1
TS0-D0
6
5
TS0_D0
8
7
MSB102X DEM OD core power 电 压1.10V~1.20V
MSB102X DTMB DEMOD core power
电 流MA X 600mA , 需 要DCDC。 其 他 demod
RP0T5
75Ω X 4
core power电 流MA X350MA , 可 以用 LDO。
TS0-D7
TS0_D7
2
1
TS0-D6
TS0_D6
4
3
TS0-D4
TS0_D4
6
5
TS0-D5
TS0_D5
8
7
RP0T6
75Ω X 4
36
TS0-D6
TS0_VLD3400
TS0_VLD
35
TS0-D7
TS0_SYNC3400
2
1
4
3
TS0_SYNC
34
TS0_CLK3400
6
5
33
TS0_CLK3400
8
7
TS0_CLK
32
31
30
29
RESETn_M
28
27
VDD33
26
R1=R2P52+R2P53
25
+1.15V_VDD
+3.3V Power
+3.3V_Standby
R1T16
VDD33
10KΩ
180mA
R9T8
100Ω
R1T64
BZ0T1
1KΩ
BUZZER
R9T9
4.7KΩ
1
Q0T1
KMBT3904
Technical Document
使用背出分离式高频头时,上件
OFF-PAGE
CN1T1
IFAGC-S
IFAGC_S
5V_DETE
5V_DETE
T_SCL
I2C_SCL
100Ω
T_SDA
24
DIFM
I2C_SDA
22
23
IP-S
21
IP_S_1
[2]
IM-S
IM_S_1
[2]
QP-S
100Ω
DIFP
QP_S_1
[2]
tun er
虚拟符
QM-S
QM_S_1
[2]
IM
1
QM
SCL-T
T_SCL
1
SDA-T
T_SDA
C8T4
C8T3
C8T1
C8T2
NC/100nF
NC/100nF
16V
16V
16V
16V
NC/100nF
NC/100nF
2
R9T20
NC/0Ω
4
TW_SCL
T_SCL
6
+3.3V_Normal
8
10
TW_T_IF+
IF_IN+
R0T26 NC/0Ω
NC/TUNER GUIDE
CN0T3
AGC
NC/0Ω
R0T33
S2_AGC
R5T1
NC/10KΩ
TUN_IF_AGC
R5T2
NC/10KΩ
TW_IF_AGC
C5T3
C5T4
AGC CIRCUIT
NC/100nF
NC/100nF
Close To SOC
16V
16V
U3P7
R2P55
JY1117EA
68Ω
+1.15V_VDD
R2P57
R2P56
200Ω
120Ω
+3.3V_Standby
C3P49
C3P48
C3P47
C3P46
10uF
100nF
100nF
10uF
C0T3
C0T4
C0T5
6.3V
16V
16V
6.3V
100nF
100nF
100nF
16V
16V
16V
Vout=1.25x(1+(R2/R1))
Close to U1T6
MSB3400
R2=R2P54
+3.3V_Standby
VDD33
C0T6
C0T7
C0T8
100nF
100nF
100nF
16V
16V
16V
R1T18
I2CM_SCL_M
4.7KΩ
AVDD33_ADCD
AVDD33_MPLL
R1T19
I2CM_SDA_M
4.7KΩ
FB0T6
60Ω/100MHz
C0T9
C0T10
EWBS_TRIG
EWBS_TRIG
[2]
C3P50
C0T11
10uF
100nF
100nF
100nF
RESETn_M
RESETn_M
[2]
6.3V
16V
16V
16V
Close to Demod.
33/43
27
25
28
26
FB8T1
ANT_5V
+5V_Normal
NC/600Ω/100MHz
LNB_P
R8T1
NC/0Ω
+VCC_LNBA
CN9
CN8
1
1
NC/tanhuangpian
NC/tanhuangpian
IFAGC-S
使用背出分离式高频头时,上件
MSD6683
Title
Tuner
Size
Document Number
Rev
V1.0
Custom
Date:
Thursday, January 10, 2019
Sheet
7
of
16

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