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Skyworth RGB R&D Centre

Technical Document

22/35

9.Schematic Circuit Diagram

(要求清晰,放大后能看清楚所有文字)

Page1 Power Circuit

C2P8

100nF

R9P5
100KΩ

EN9

R8P1

4.7Ω

R9P6
NC/100KΩ

R9P0

330Ω

C2P6

100nF

C6P5

220nF

R8P8

470KΩ

R8P2

8.2KΩ

C6P3

100nF

R9P7
NC/100KΩ

C6P4
220pF

C1P4

10uF

+12V_PWR

C6P10
22uF

C2P9

100nF

根据系统需要调整

L0P6
10uH

R4P3

NC/100KΩ

C4P7

100nF

R4P2

100KΩ

R4P8

C5P8

10uF

C4P79

NC/100nF

C5P0

10uF

C4P6

10uF

R4P5

51KΩ

R4P4

10KΩ

GPIO_PM0

SOC 3.3_Standby 

上拉

C4P32

10uF

C4P5 1uF

FB0P6

60Ω/100MHz

C4P9

100nF

C4P8

10uF

C4P4

NC/22pF

R4P7

33KΩ

C4P52

22uF

U1P3

MP1653GTF-Z

VIN

1

SW

2

GND

3

BST

4

EN

5

FB

6

R4P6

1KΩ

+5V_Standby

+12V_PWR

SW1

EN1

EN1

U2P3

AZ1117CH-3.3TRG1

IN

3

OUT

2

ADJ

1

VOUT

4

+12V_PWR

2

+12V_PWR

+5V_Standby

SW1

DC-DC

价格

0.078USD  

规格标称最大

3A

720KHZ 

输入电压范围

4.5V-16V 

轻载高效 优选)

Ven>1.36V:ON  
Ven<1.04V:OFF

注意

EN

端电压及电容,根据系统需要调整

C6P0

22uF

EN

端的电压范围是

2.5V-6V,

上电时间需调节

,

关机要放电

L1P1
2.2uH

1

2

U2P2

AZ1117CH-3.3TRG1

IN

3

OUT

2

ADJ

1

VOUT

4

+12V_PWR TO +1.10V_VDDC

VID_0

FB8756

VDDC Power

C2P1
22uF

 TUNER 3V3

根据系统需要调整

L0P7
10uH

C4P80

100nF

R4P9

NC/100KΩ

R4P10

C5P9

10uF

C4P81

NC/100nF

C5P10

10uF

C4P82

10uF

R4P13

51KΩ

R4P12

10KΩ

C4P84

10uF

C4P83 1uF

FB0P7

60Ω/100MHz

C4P85

100nF

C4P87

NC/22pF

C4P86

10uF

C4P88

22uF

R4P14

33KΩ

U1P4

MP1653GTF-Z

VIN

1

SW

2

GND

3

BST

4

EN

5

FB

6

+5V_VDD

R4P15

1KΩ

+12V_PWR

SW2

U2P1

AZ1117CH-3.3TRG1

IN

3

OUT

2

ADJ

1

VOUT

4

EN2

+12V Power

L :Power off
H :Power on

EN2

U1P2

TLV62565DBVR

EN

1

GND

2

SW

3

VIN

4

FB

5

2

+12V_PWR

+5V_VDD

SW2

DC-DC

价格

0.078USD  

规格标称最大

3A

720KHZ 

输入电压范围

4.5V-16V 

轻载高效 优选)

Ven>1.36V:ON  
Ven<1.04V:OFF

注意

EN

端电压及电容,根据系统需要调整

U1P1

MP8756GD-Z

VIN

1

PGND

2

PG

3

NC4

4

VOUT

5

MODE

6

SW

7

BST

8

VCC

9

AGND

10

FB

11

EN

12

Q0P1

AO3401A

1

2

3

Q0P2

KMBT3904

1

2

3

1.5V

输出,最大负载

1.4A

5V

输出,最大负载

2.3A

5V

输出,最大负载

2.3A

VBL_CTRL

BL_ON/OFF

Q0P10

KMBT3904

1

2

3

R3P12
1KΩ

POWER_CONNECT

PWR_ON/OFF

+5V_Normal

+12V_Normal

+12V_PWR

R7P5
10KΩ

STANDBY

C0P1

22uF

Inverter controler

DDR Power

+1.1V_VDDC

BL_ON/OFF

R2P1
4.7KΩ

VBL_CTRL

VBL_CTRL

BL_ON/OFF

PWR_ON/OFF

PWR_ON/OFF

R2P5

200Ω

BL_ADJUST

R3P11

NC/12KΩ

BL-ADJUST

VID_0

VID_0

L1P3

2.3uH

C0P6

100nF

R1P0

NC/100KΩ

C0P4

100nF

C0P7

10uF

R1P1

10KΩ

R0P2

100KΩ

C2P5

33pF

R0P3

15KΩ

R0P9

FB1

DC-DC

价格

0.028USD   1.5MHZ  

规格标称最大1

.5A  

输入电压范围

2..7v-5.5v  

优选)

FB1

R6P17
NC/4.7KΩ

R6P18
NC/10KΩ

C5P7

100nF

C4P1

10uF

C4P2

10uF

C4P3

100nF

R6P14

10KΩ

STANDBY

C6P1

22uF

C6P2

22uF

MARK4

MARK

Test Point & MARK

MARK1

MARK

MARK6

MARK

MARK3

MARK

MARK5

MARK

MARK2

MARK

MARK8

MARK

MARK7

MARK

H1 HOLE

Screw_

外销异形

1
2

3 4 5

6

7

H2

HOLE

New_Screw

1

2

3

4

5

C0P5
10uF

R7P3
47KΩ

R7P2

47KΩ

R7P4
47KΩ

输出电容的容值需要根据系统的实际需要进行调整

1.1V

输出,最大负载

5A

输出电压为

5V\3.3V

时,这三个不要贴,

输出为

1.2V\1 .5V\1.8V\2.5V

时,需要贴上。

PIN6

NC

NC

R9P7

模式

R9P6

R7P11

NC

100K

轻载高效模式(带

USM

PFM)

>2.6V(2.7V)

NC

非轻载高效模式(

PWM)

BRI_ADJ

BRI_ADJ

+3.3V_TU

R9P2
100KΩ

C0P8
22uF

R6P16

1KΩ

C3P10
NC/2.2uF

BL-ADJUST

+3.3V_Standby

BRI_ADJ

+5V_Standby

+1.5V_DDR

+5V_Standby

FB8756

+5V_Standby TO +5V_Normal

STANDBY

STANDBY

Q1P8

AO3401A

1

2

3

R1P7

10KΩ

C1P9

220nF

R1P5
10KΩ

Q1P5
KMBT3904

1

2

3

R1P6

100KΩ

+5V_Normal

+5V_Standby

R7P12
10KΩ

STANDBY

EN2

C3P35
100nF

+5V_Normal

C3P36
100nF

C3P33

10uF

FB0P4

NC/60Ω/100MHz

C3P34

10uF

+3.3V_Standby

+5V_Standby

 2

 +5V_Standby TO +3.3V_Standby

C1P8

22uF

C1P7
100nF

C3P37
100nF

C3P38

10uF

C3P39
100nF

+3.3V_Normal

+5V_Normal

C3P40

10uF

+5V_Normal TO +3.3V_Normal

BRI_ADJ

BL-ADJUST

C0P3

22uF

C3P8
10uF

+5V_Normal

C0P2
22uF

C8P2
100nF

Q7P2

NC/2N7002K

G

1

D

2

S

3

R3P10

NC/0Ω

BL_ON/OFF

EN9

+5V_Standby TO +1.5V_DDR

FB0P3

60Ω/100MHz

规格标称最大

6A  

 

700KHZ  

输入电压范围

4.5V-26V    

VCC2

8

Pin7

对地 的

VCC

电容走线要短,

VCC

电容地直接连

Pin2

或至少大于

3

个过 孔

2

PCB

排版时输入电容和输 出电容尽量靠近

IC

VOUT1

PCB

排版 时储能电感要尽量靠近

IC

VCC2

R7P1

NC/4.7KΩ

R7P8

NC/4.7KΩ

R7P9
NC/1KΩ

+12V_PWR

+12V_Normal

VOUT1

EN9

VCC2

R8P0

10KΩ

R8P5

499Ω

C1P3
1uF

Summary of Contents for 7M02B

Page 1: ...ocument 1 35 SERVICE MANUAL Design and specifications are subject to change without prior notice Only for Reference Description SERVICE MANUAL 7M02B Version V0 01 Prepared By Lihuanghui Date 2017 07 2...

Page 2: ...System Block 4 3 List of key parts 5 4 IC General Description 6 5 Software Upgrade 18 6 Setting Hotel Mode Menu 19 7 Wiring Diagram 19 8 PCB Silkscreen 20 9 Schematic Circuit Diagram 22 10 Key Power C...

Page 3: ...17210 kdeg 1 8 Video Noise Limited Sensitiv ity S N 30dB 60 dB VHF 60 dB 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 N...

Page 4: ...ncy range DVB S S2 Nonsupport 2 System Block 100mA TUNER 5V 500mA 5V_Normal AZ1117 3V3 1A AZ1117 3V3 1A POWER 5707 10W 2 12V_PWR 12V_Normal 12V_Panel Standby FOR panle ME9435A 6A MP1653 3A EN AUDIO AM...

Page 5: ...1 SMD IC LNK6778K TL PI OFF LINE SWITCHER WITH PSR ESOP 12B 4785 L67780 0120 U0J1 SMD IC CS0809V C TITAN 5V 3pF 4 WAY TVS PROTE CTION SOT23 6L 47HL C0809C 0060 U0J5 U0J6 U0 J11 U0J12 SMD IC TT0504SP T...

Page 6: ...Skyworth RGB R D Centre Technical Document 6 35 4 IC General Description IC IC IC 4 1 Main IC MSD6486XTT 8 00BR...

Page 7: ...Skyworth RGB R D Centre Technical Document 7 35 4 2 Amplifier TAS5707PHPR Functional Block Diagram...

Page 8: ...Skyworth RGB R D Centre Technical Document 8 35 Pin Configuration and Functions...

Page 9: ...Skyworth RGB R D Centre Technical Document 9 35...

Page 10: ...Skyworth RGB R D Centre Technical Document 10 35...

Page 11: ...Skyworth RGB R D Centre Technical Document 11 35 4 3 RF controller MXL661...

Page 12: ...Skyworth RGB R D Centre Technical Document 12 35 4 4 NAND FLASH TC58NVG1S3HTA00...

Page 13: ...Skyworth RGB R D Centre Technical Document 13 35...

Page 14: ...Skyworth RGB R D Centre Technical Document 14 35 4 5 DC DC Converter MP1653 Package Reference Pin Functions...

Page 15: ...Skyworth RGB R D Centre Technical Document 15 35 4 6 DC DC Converter MP8756GD Z...

Page 16: ...Skyworth RGB R D Centre Technical Document 16 35 4 7 DC DC Converter TLV62565DBVR...

Page 17: ...Skyworth RGB R D Centre Technical Document 17 35 4 8 RF SW IC PE42750 Function Diagram Pin Configuration and Functions...

Page 18: ...then press yes and then the TV will update FW automatically 5 Finally TV will reset and power on when FW upgrade is finished 5 2 AC ON upgrade method 1 Rename MstarUpgrade bin file to ACUpgradeReset...

Page 19: ...Skyworth RGB R D Centre Technical Document 19 35 6 Setting Hotel Mode Menu NA 7 Wiring Diagram...

Page 20: ...Skyworth RGB R D Centre Technical Document 20 35 8 PCB Silkscreen 8 1 Silkscreen top...

Page 21: ...Skyworth RGB R D Centre Technical Document 21 35 8 2 Silkscreen bottom...

Page 22: ...3A 5V 2 3A VBL_CTRL BL_ON OFF Q0P10 KMBT3904 1 2 3 R3P12 1K POWER_CONNECT PWR_ON OFF 5V_Normal 12V_Normal 12V_PWR R7P5 10K STANDBY C0P1 22uF Inverter controler DDR Power 1 1V_VDDC BL_ON OFF R2P1 4 7K...

Page 23: ...I2S_MCK_OUT I2S_LRCK_OUT I2S_MCK_OUT I2C SDA I2C SCL I2S_BCK_OUT I2S_DATA_OUT R5A26 10K AMP PRout AMP PLout Q5A10 2N7002E G 1 D 2 S 3 Q5A9 2N7002E G 1 D 2 S 3 Q5A7 2N7002E G 1 D 2 S 3 Q5A6 2N7002E G 1...

Page 24: ...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 B...

Page 25: ...6 1pF L3T3 8 2nH IC 22 SCL T C2T64 4 7nF SDA T C1T2 100nF IF_IN IF_IN 75 ohm Line C2T08 1uF VDD1V8 3 3V_TU VDD1V8 3 3V_TU VDD1V8 3 3V_TU 3 3V_TU DVB T2 ISDB T FM filter FM filte L0T2 0 L0T2 FAE 390nH...

Page 26: ...C_VS PC_SDA PC_HS R0J4 NC 100 R0J6 NC 100 VGA R1 1 WHITE YELLOW RED JA1J6 RCA SOCKE T 1 2 3 4 5 6 VGA G1 1 VGA VS1 1 VGA HS1 1 VGA B1 1 VGA PC_SCL D1J9 ESD PC_SDA R1J51 75 VGA_Gin R3J2 0 VGA_Rin JA1J3...

Page 27: ...A3P1 LVA4N1 LVA4P1 LVBCLKN1 LVBCLKP1 LVB0N1 LVB0P1 LVB1N1 LVB1P1 LVB2N1 LVB2P1 LVB3P1 LVB4N1 LVB4P1 FB0L1 100 100MHz 12V_PWR R0L3 NC 47K R3L3 NC 0 C0L8 220nF R0L4 220K R0L2 4 7K C0L9 NC 100nF 12V_Pane...

Page 28: ...C1B7 1nF C1B5 10nF R3B6 3 R0B8 68 R0B9 68 R0B7 68 C1B1 1nF C0B5 4 7nF R2B7 10K TP1B2 R3B8 2M TP0B7 C0B6 220pF R2B8 10K D0B2 1N4148W R1B4 470 C1B6 100nF U0B1 0Z9902DGN A 0 TR UVLS 1 VCC 2 ENA 3 VREF 4...

Page 29: ...5 27K GND5 C2D0 1000uF R3D7 10K D0D6 M7 D0D9 S5M CE0D1 10uF CE0D5 10uF R2D3 10K CY0D5 470pF 12V1 R3D2 1K R8D1 1K HOTGND ZD2D5 24V D1D1 HBR20200 1 2 3 C2D5 100nF R3D1 220 DANGER R2D2 10 24V D1D2 HBR201...

Page 30: ...MIX2 WIFI_EN WIFI_WAKE Normal Power 3 3V 1 1V_VDDC AV DD_DMPLL C293 2 2uF AV DDL_DVI PWM_PM LED_R NAND_D0 PCM_A0 PWR_ON OFF 3 3V_Standby Standby Power 3 3V WIFI_EN R219 0 DDR3 POWER WIFI_EN 0603 1 5V_...

Page 31: ...A10 AP L7 A11 R7 A12 BC N7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 DQSU C7 DQSU B7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQSL F3 DQSL G3 DML E7...

Page 32: ...Skyworth RGB R D Centre Technical Document 32 35 10 Key Power Check Point 3 3V_STB 5V_VD 3 3VNOR 5V_STB 1 1V 1 5V 3 3V tuner...

Page 33: ...Skyworth RGB R D Centre Technical Document 33 35 11 Trouble Shooting 11 1 No Display 11 2 Has BackLight but no Image...

Page 34: ...Skyworth RGB R D Centre Technical Document 34 35 11 3 Has Video but no Sound 11 4 Has Main power but no BackLight...

Page 35: ...Skyworth RGB R D Centre Technical Document 35 35 11 5 No main power 12V_NOR...

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