Skyworth 7M02B Service Manual Download Page 11 | Manualshive

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Skyworth RGB R&D Centre

Technical Document

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4.3 RF controller: MXL661

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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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