Philco 7M31B Service Manual Download Page 48

Skyworth RGB R&D Centre

Technical Document

48/60

Page3 Memory

EMMC_DS

+1.8V_Normal

C5

RFU

INF-D6

C0M8

需要根据实际情况

进行调整

R1M9

22Ω

EMMC-D6

INF_D6

NAND-D0

引脚号

INF-CLK

EMMC-D4

这四个点在

Mstar

方案上请

NC

Ver4.51

C0M8

NC/33pF

50V

J5

INF-D6

INF_D6

INF-D6

INF_RST

INF-D7

INF_POWER

Toshiba

INF_D5

INF-D5

VSS

INF-D4

INF-RST

EMMC-D7

EMMC-D2

INF_D2

NAND-D2

INF_D1

INF-D1

INF-CMD

INF-D2

C1M9

100nF

16V

POWER

INF_POWER

NF_VDD_IF

EMMC-CMD

R0M9

使用

5.0

需要上件,值

10K-100K

使用

4.51

情况下请

NC

4 GByte 

INF-D4

EMMC-D1

INF_D1

NAND-D3

C0M9

在使用

5.0

时需要使用

1uF

R1M7

10KΩ

RFU

Resrev ed For f uture

Use,

悬空

EMMC-DS [2]

C1M2

2.2uF

10V

C0M9

2.2uF

10V

RFU

INF-CLK

NF_VDD_IF

NF_VDD_IF

VDDI

EMMC-RSTn

Vendor

Ver 5.0

INF-D6

R1M8

22Ω

R5M26
10KΩ

HYNIX

H5

特别说明:对于

Mstar

的方案

INF-D6

只需要经过

B5

C5

两个点通过过孔出来,

其他点(

G1

F2

E3

D4

NC

EMMC-RST

INF_RST

NAND-WEZ

EMMC-D0

INF_D0

NAND-D4

INF-CMD

NF_VDD_IF

INF-D7

INF_D0

INF-D0

EMMC_DS

EMMC-CLK

SUMSANG

INF_CLK

eMMC FLASH

INF-RST

VDDI

INF-RST

RFU

INF_D2

INF-D2

INF-CLK

INF-D1

EMMC-CMD

INF_CMD

NAND-CEZ

EMMC-D7

INF_D7

NAND-D1

R2M0

请注意

R525

R526

的上件

EMMC-D2

EMMC-D0

C1M8

NC/10uF

6.3V

U0M4

THGBMDG5D1LBAIL

4701-T5D4G1-1530

DAT0

A3

DAT1

A4

DAT2

A5

DAT3

B2

DAT4

B3

DAT5

B4

DAT6

B5

DAT7

B6

VDDi

C2

VSSQ

C4

VCCQ

C6

VCC

E6

VSS

E7

VCC

F5

VSS

G5

VSS

H10

VCC

J10

RST_n

K5

VSS

K8

VCC

K9

VCCQ

M4

CMD

M5

CLK

M6

VSSQ

N2

VCCQ

N4

VSSQ

N5

VCCQ

P3

VSSQ

P4

VCCQ

P5

VSSQ

P6

NC1

A1

NC2

A2

NC3

A8

NC4

A9

NC5

A10

NC6

A11

NC7

A12

NC8

A13

NC9

A14

NC11

B7

NC12

B8

NC13

B9

NC14

B10

NC15

B11

NC16

B12

NC17

B13

NC18

B14

NC19

C1

NC20

C3

NC21

C7

NC22

C8

NC23

C9

NC24

C10

NC25

C11

NC26

C12

NC27

C13

NC28

C14

NC29

D1

NC30

D2

NC10

D3

NC31

L1

NC32

D4

NC33

D12

NC34

D13

NC35

D14

NC36

E1

NC37

E2

NC38

E3

NC39

E12

NC40

E13

NC41

E14

NC42

F1

NC43

F2

NC44

F3

NC45

F12

NC46

F13

NC47

F14

NC48

G1

NC49

G2

NC50

G12

NC51

G13

NC52

G14

NC53

H1

NC54

H2

NC55

H3

NC56

H12

NC57

H13

NC58

H14

NC59

J1

NC60

J2

NC61

J3

NC62

J12

NC63

J13

NC64

J14

NC65

K1

NC66

K2

NC67

K3

NC68

K12

NC69

K13

NC70

K14

NC71

L2

NC72

L3

NC73

L12

NC74

L13

NC75

L14

NC76

M1

NC77

M2

NC78

M3

NC79

M7

NC80

M8

NC81

M9

NC82

M10

NC83

M11

NC84

M12

NC85

M13

NC86

M14

NC87

N1

NC88

N3

NC89

N6

NC90

N7

NC91

N8

NC92

N9

NC93

N10

NC94

N11

NC95

N12

NC96

N13

NC97

N14

NC98

P1

NC99

P2

NC100

P8

NC101

P9

NC103

P11

NC104

P12

NC105

P13

NC106

P14

VSS

A6

RFU2

A7

NC/RFU1

C5

RFU3

E5

RFU4

E8

RFU5

E9

RFU6

E10

RFU7

F10

RFU8

G3

RFU9

G10

DS

H5

VSS

J5

RFU10

K6

RFU11

K7

RFU12

K10

RFU13

P7

RFU14

P10

NC0

B1

+1.8V_Normal

R5M25

22Ω

5.0

封装贴

4.41

元件

INF-D5

INF_POWER

C1M0

10uF

6.3V

EMMC-D1

EMMC-CLK

NAND-REZ

INF_CLK

EMMC-D3

INF_D3

NAND-D5

定义

RFU

VSS

A6

INF-D6

R3M1

最大

100K

Ver 5.0

INF-CLK

INF-D7

C1M3

100nF

16V

EMMC-D3

INF_D7

INF-D7

+3.3V_Normal

EMMC-D4

INF_D4

NAND-D6

INF_CMD

NF_VDD_IF

INF-CMD

INF-D5

INF_D4

INF-D4

INF-RST

NC

HS400

向下兼容

HS200

,如果要用

HS

模式,

NF_VDD_IF

请使用

1.8V

供电,

不用

HS

模式,两个电源都用

3.3V

即可

INF_D3

INF-D3

INF-CMD

C1M1

100nF

16V

INF-D3

INF-D3

EMMC-D6

Data strobe

INF-D0

emmc 4.5 R525 NC

emmc 5.0 R525 

上件

EMMC_DS

R1M8

最大使用

27Ω

的电阻根据不同厂家

EMMC

需要调整,

R3M8

5.0

上需要上件

Ver4.51

C1M4

100nF

16V

INF-D6

EMMC-D5

INF_D5

NAND-D7

R2M9

INF-CLK

注意:由于原理图符号做了

4.51

5.0

的兼容,

以上四个引脚的定义请参照表格设计

INF_POWER

EMMC-D5

Summary of Contents for 7M31B

Page 1: ...Document 1 60 SERVICE MANUAL Design and specifications are subject to change without prior notice Only for Reference Description SERVICE MANUAL 7M31B Version V0 00 Prepared By Hanweiwei Date 2019 03 0...

Page 2: ...y 3 1 Technical Specification 4 2 System Block 6 3 List of key parts 7 4 IC General Description 10 5 Software Upgrade 39 6 Setting Hotle Mode Menu 40 7 Wiring Diagram 41 8 PCB Silkscreen 42 9 Schemati...

Page 3: ...Skyworth RGB R D Centre Technical Document 3 60 Revision History Version Number Revision Data Description of changes V0 00 2018 03 06 Initial release...

Page 4: ...kdeg 1 8 Video Noise Limited Sensitiv ity S N 30dB 51 dBu VHF 54 dBu UHF 1 9 Video Input Level 75 ohm 1 Vp p 2 Signal Receiving System 2 1 ATV Receiving System ATV Receiving System 2 1 1 NTSC M No 2...

Page 5: ...for both analogue and digital Yes 2 3 3 Antenna Input port 2 1 air 1 Cable No 2 3 4 Type of Antenna Input Port IEC169 24 Male 2 3 5 Receiving Frequency range ATV 54MHz 864MHz 2 3 6 Receiving Frequenc...

Page 6: ...Skyworth RGB R D Centre Technical Document 6 60 2 System Block...

Page 7: ...Skyworth RGB R D Centre Technical Document 7 60 3 List of key parts 3 1 Part of Mainboard...

Page 8: ...TF Z MPS 2A 18V STEP DOWN CO NVERTER SOT563 476A M16520 0060 U4P1 SMD IC MP1653GTF Z MPS 3A 17V STEP DOWN CONVERTE R SOT563 476A M16530 0060 U4P6 SMD IC MP1652GTF Z MPS 2A 18V STEP DOWN CONVERTE R SOT...

Page 9: ...5 VDE 40015248 X Capacitors CX0D6 Wuxi Jinlida Elec tronics Co Ltd MKP series Max 0 47 F 275VAC 10 5 X2 IEC 60384 14 EN 60384 14 VDE 40041383 X Capacitors CX0D3 Wuxi Jinlida Elec tronics Co Ltd MKP s...

Page 10: ...Skyworth RGB R D Centre Technical Document 10 60 4 IC General Description IC IC IC 4 1 Main IC MSD6683BQHT 8 00II...

Page 11: ...Skyworth RGB R D Centre Technical Document 11 60...

Page 12: ...Skyworth RGB R D Centre Technical Document 12 60...

Page 13: ...Skyworth RGB R D Centre Technical Document 13 60...

Page 14: ...Skyworth RGB R D Centre Technical Document 14 60...

Page 15: ...Skyworth RGB R D Centre Technical Document 15 60...

Page 16: ...Skyworth RGB R D Centre Technical Document 16 60...

Page 17: ...Skyworth RGB R D Centre Technical Document 17 60 4 2 Amplifier TPA3138D2PWPR...

Page 18: ...Skyworth RGB R D Centre Technical Document 18 60...

Page 19: ...Skyworth RGB R D Centre Technical Document 19 60 4 3 RF controller SI2151 A10...

Page 20: ...Skyworth RGB R D Centre Technical Document 20 60...

Page 21: ...Skyworth RGB R D Centre Technical Document 21 60 4 4 Earphone AMP NA 4 5 5V_STB 3 3V_STB MP1652GTF Z...

Page 22: ...Skyworth RGB R D Centre Technical Document 22 60...

Page 23: ...Skyworth RGB R D Centre Technical Document 23 60...

Page 24: ...Skyworth RGB R D Centre Technical Document 24 60 4 6 1 0V_VDDC MP1653GTF Z...

Page 25: ...Skyworth RGB R D Centre Technical Document 25 60...

Page 26: ...Skyworth RGB R D Centre Technical Document 26 60...

Page 27: ...Skyworth RGB R D Centre Technical Document 27 60 4 7 1 5V_DDR TPS562201DDCR...

Page 28: ...Skyworth RGB R D Centre Technical Document 28 60...

Page 29: ...Skyworth RGB R D Centre Technical Document 29 60...

Page 30: ...Skyworth RGB R D Centre Technical Document 30 60 4 8 EMMC THGBMNG5D1LBAIL...

Page 31: ...Skyworth RGB R D Centre Technical Document 31 60 4 9 DDR H5TQ2G63GFR TEC...

Page 32: ...Skyworth RGB R D Centre Technical Document 32 60...

Page 33: ...Skyworth RGB R D Centre Technical Document 33 60...

Page 34: ...Skyworth RGB R D Centre Technical Document 34 60...

Page 35: ...Skyworth RGB R D Centre Technical Document 35 60 4 10 POWER IC OZ5311GN A2 0 TR...

Page 36: ...Skyworth RGB R D Centre Technical Document 36 60...

Page 37: ...Skyworth RGB R D Centre Technical Document 37 60 4 11 Backlight IC OZ560EGN B1 0 TR...

Page 38: ...Skyworth RGB R D Centre Technical Document 38 60...

Page 39: ...o the USB socket enter MENU FUNCTION Software Update USB p ress ENTER OK button to begin update TV set will restart when finish Note you nee d to restart the TV set again by AC power NOTE Some other s...

Page 40: ...0 100 Set the max volume value you can adjust Power On Source AV ATV DVB C DVB T T2 HDMI1 HDMI2 Allow select which source TV will be set ever y time POWER ON Power On Volume 0 100 Set the default vol...

Page 41: ...Skyworth RGB R D Centre Technical Document 41 60 7 Wiring Diagram...

Page 42: ...Skyworth RGB R D Centre Technical Document 42 60 8 PCB Silkscreen 8 1 Silkscreen top...

Page 43: ...Skyworth RGB R D Centre Technical Document 43 60 8 2 Silkscreen bottom...

Page 44: ...Skyworth RGB R D Centre Technical Document 44 60 9 Schematic Circuit Diagram Page0 Power Tree...

Page 45: ...ndby AVDD_DDR_A STANDBY ON 5V_PCMCIA 160mA ME2345A 2A 60mA 300mA 40mA 2 8A eMMC AVDD3P3_MHL3 220mA ME2345A Title Size Docu Date Custom Wed 50mA 1 0V_VDDC_CPU AVDD_NODIE 50mA 40mA 1470mA 12V_PWR 50mA 2...

Page 46: ...R4P2 10K DC DC C9P7 100nF 16V 6 EN DC OFF VDDC VDDP 3 3V Normal 10ms PWR ON OFF L0P8 10uH R1P14 NC 0 C0P5 10uF 16V 3 3V_Normal R4P1 100K MARK1 MARK C4P59 NC 100nF 16V C3P35 2 2uF 6 3V 1 0V_VDDC_CPU C2...

Page 47: ...AUVRM IC FB6A2 100 100MHz C6A12 1uF 16V C6A08 220nF 16V L C6A21 220nF 50V R6A23 10 R6A21 10K VDD_AMP C6A07 330pF 50V C6A06 220nF 50V C6A14 220nF 50V F6A01 F3A L32V R C6A30 2 2nF 50V C6A13 1nF 50V R6A...

Page 48: ...4 B10 NC15 B11 NC16 B12 NC17 B13 NC18 B14 NC19 C1 NC20 C3 NC21 C7 NC22 C8 NC23 C9 NC24 C10 NC25 C11 NC26 C12 NC27 C13 NC28 C14 NC29 D1 NC30 D2 NC10 D3 NC31 L1 NC32 D4 NC33 D12 NC34 D13 NC35 D14 NC36 E...

Page 49: ...MSPI_DI 31 IFAGC 7 GND 26 VDD33 27 NC 6 TS_CLK 34 TS_D 7 35 TS_D 6 36 TS_D 5 37 TS_D 4 38 TS_D 3 39 TS_D 2 40 TS_D 1 41 TS_D 0 42 TS_VLD 43 TS_SY NC 44 VDD33 45 GND 22 VDD 47 I2CS_SDA 48 I2CS_SCL 1 GN...

Page 50: ...SHELL 11 SHELL 12 5V_Normal C2U3 10nF 50V 5V_Normal Q0U1 KMBT3904 1 2 3 1D D USB3_D RV3J3 ESD USB1_5V1 C2U2 10uF 6 3V WIFI_DM W1 WIFI_ON_BOARD BT_WAKE 1 WIFI_WAKE 2 GND 3 GND 4 D 5 D 6 3 3V 7 CTR 8 GN...

Page 51: ...1 Tuner R0T2 100 U1T4 SI2151 A10 GPIO2 1 SDA 2 SCL 3 AGC2 4 AGC1 5 GND 6 VDDH 9 LIF_N 10 VDDL 7 GND 8 LIF_P 11 XOUT 12 XTAL_I 13 XTAL_O 14 VDDH 15 GND 16 VDDH 17 NC 18 RF_REF 19 RF_P 20 GND 21 RF_IN 2...

Page 52: ...HDMI SOCKET DATA2 1 DATA2 SHIELD 2 DATA2 3 DATA1 4 DATA1 SHIELD 5 DAT1A 6 DATA0 7 DATA0 SHIELD 8 DATA0 9 CLK 10 CLK SHIELD 11 CLK 12 CEC 13 NC 14 SCL 15 SDA 16 DDC CEC GND 17 5V POWER 18 HOT PLUG 19...

Page 53: ...A2 A1P 12V_Panel I2C SCL A0 LVA1N1 LVA3P1 LVA3N1 LVA3N1 C0L8 220nF 50V A1 LVA1P1 Q1P11 ME2345A 1 2 3 LVA2P1 PANEL_ON OFF R3L6 0 ACLKN LVA2P1 A3 C0L9 NC 100nF 16V LVA3P1 LVA1N1 Q0L2 KMBT3904 1 2 3 12V...

Page 54: ...M WP USB2_D 10 MDI_TN 7 EMMC D3 5 PWR ON OFF 1 13 HDMI2 RX0N 8 A0 6 3 3V_Normal BRI_ADJ 1 PWR_OFF_CTR UART GND R244 1K IRIN R81 4 7K A3 HDMI1 RX2N 8 PWM SAR GPIO Vx1 LVDS PM_GPIO U1D MSD6683 SAR0 E4 S...

Page 55: ...A_DDR3 ODT A_DDR3_A10 RM91 1K CM188 100nF 16V A_DDR3_DQ2 RM21 10K AVDD_DDR0_S A_DDR3 A13 A_DDR3_A7 A_DDR3 A13 A_DDR3 RASZ A_DDR3_BA1 A_DDR3_A4 CM184 NC 100nF 16V CM180 100nF 16V A_DDR3_A15 A_DDR3_DQS0...

Page 56: ...2 NC ESD R7J21 100 2017 05 03 C1J05 33pF 50V WIFI_DM NC CN M CN1J3 1 2 3 4 5 6 7 8 9 10 11 Q1S02 KMBT3904 B 1 E 2 C 3 R7J20 470 WIFI_DP R G LED3 RED GREEN 3 1 2 4 IR NC CN F CN1J2 1 2 3 4 5 6 7 8 9 10...

Page 57: ...Skyworth RGB R D Centre Technical Document 57 60 10 Key Power Check Point U6A01 AMP VCC 12V U4P7 5V_STB U0P3 1 5V_DDR U4P1 1 0V_VDDC Q1P11 PANEL_VCC 12V U4P6 3 3V_STB U3P6 1 8V_EMMC...

Page 58: ...Skyworth RGB R D Centre Technical Document 58 60 11 Trouble Shooting 11 1 No Display 11 2 Has BackLight but no Image...

Page 59: ...Skyworth RGB R D Centre Technical Document 59 60 11 3 Has Video but no Sound 11 4 Has Main power but no BackLight...

Page 60: ...Skyworth RGB R D Centre Technical Document 60 60 11 5 No main power 12V_NOR...

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