Skyworth 5R81A-50E79 Service Manual
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Skyworth 5R81A-50E79 Service Manual

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SERVICE MANUAL
5R81A-50E79 CHASSIS
Design and specifications are subject to change without prior notice. (Only for Referrence)
Description: SERVICE MANUAL 5R81A
MODEL.
Brand Name:
JOB NO.
Engineering Dept:
Artwork By:
Date: 2013-6-1
SIZE:A4
Checked By:
Date:
Approved By:
Date:
-1-

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Summary of Contents for Skyworth 5R81A-50E79

  • Page 1 SERVICE MANUAL 5R81A-50E79 CHASSIS Design and specifications are subject to change without prior notice. (Only for Referrence) Description: SERVICE MANUAL 5R81A MODEL. Brand Name: JOB NO. Engineering Dept: Artwork By: Date: 2013-6-1 SIZE:A4 Checked By: Date: Approved By: Date:...

  • Page 2: Table Of Contents

    CONTENT CONTENT ------------------------------------------------------------------------2 Technical Specification-------------------------------------------------------3-12 Block Diagram -----------------------------------------------------------------13 List of key parts-----------------------------------------------------------------14 IC BLOCK Diagram--------------------------------------------------------------15-20 MAIN PCB-TOP------------------------------------------------------------------21 MAIN PCB-BOT------------------------------------------------------------------22 Circuit Diagrams----------------------------------------------------------------23-37...

  • Page 3: Technical Specification

    Technical Specification 1. Application Area: This product standard is use for LED chassis. 2. Specification: All the standard are measured under following conditions without other specification. 2.1 Ambient Temperature: 20+/-5℃ 2.2 Relative Humidity: 65+-10％ 2.3 Power Supply Voltage: Standard Input Voltage(100～240V AC 50/60HZ) 2.4 Adjust after 20 minutes warm-up.

  • Page 4: Technical Specification

    Technical Specification 4. Safety and Regulation Item Unit Remark Force Stability-Incline plane Tip Test Force Stability-Level Tip Test Isolation Gap AC-AC/AC-DC Isolation Gap Power Consumption 50E79 Power consumption Standby Dielectric Voltage Isolation Resistance MΩ Leakage Current MAp-p Power cord captivity Flammability—Back Cover PASS Sharp edge...
  • Page 5 Technical Specification Video Noise Limited dBuV Sensitivity(@S/N=30dB) UHF Selectivity -1.5M Selectivity +8M Tuning Range -0.7 Resolution Horizontal 3840 Lines Resolution Vertical 2160 Lines 6. Chroma Item Unit Remark White Balance, X axis White Balance, Y axis White Balance, Color Temperature 6500 9800 12500...
  • Page 6 Technical Specification 9. External Interface Item Unit Remark Video Input Level Vp-p 75 ohm Video Input Frequency Response Video Input S/N Audio Input Level Vrms Audio Input Frequency Response Audio Input S/N Audio Input Distortion ％ Audio Input Dynamic Range Vrms Video output Level Vp-p...
  • Page 7 Technical Specification 11. Customer Menu Setup(as shipped condition) Item Specification Remark Standard Standard Volume Mute Input Mode RF-DTV Customer menu language Traditonal Chinese Sleep Timer Auto sleep Blue back Surround Caption Noise Reducer Middle 12. Reliability Item Unit Remark IEC-1000-4-2 EFT/Burst IEC-1000-4-4 Surge Immunity...
  • Page 8 Cabinet Design (Example: 01,23 series ) Product Nb Chassis solution RTD2975K Chassis name 5R81A Chassis PCB Standard Skyworth RGB New Standard Predecessor (replace) MP date requested (ETD) 2013.6 MP date confirmed by supplier (ETD/ETA) Status( Pre./Finish ) Regional requirement Homologation (Gostandard/CE/MPTT/CB/…)
  • Page 9 Standard / Mild / Film / Dynamic / Picture presets : Standard / Bright / Soft / User Personal Picture freeze Multi picture : PIP ( AV )/POP（AV） Dynamic Backlight Control LED Backlight Deinterlacer (No/linerar/motion adaptive/motion motion adaptive compensative) Film mode / reverse 3:2/2:2 pull down Yes / Yes Full HD support ( 1080P ) Single scan / Dual scan ( 120HZ )
  • Page 10 Playable Discs (CD/CD-R(RW)/CD-ROM/DVD+R/+RW/-R/-RW) Card reader format compatibility Macrovision Yes(Video input) Network User convenience OSD Language* English/Traditonal Chinese OSD Positioning OSD Transparency Adjust OSD Timeout Adjust Customer Brand name(LOGO) IB languages Traditonal Chinese ATV Program Numbers (example: 99+3AV input ) Cable 125 DTV Program Numbers Program edit ( naming , sorting , skip , swap ….
  • Page 11 1(Share with AV in) Headphone output connector (dia.mm) 1（3.5mm) Digital Audio out (S/PDIF) 1 (Software update, JPEG, MP3,RMVB) USB slot (No/1.1/2) Multimedia depends on license DVB-CI (common interface) DLNA UI/RC UI design (font/pixel, 2D/3D graphic engine..) Skyworth SOD Standard RC Model -11-...
  • Page 12 RC system RGB Standard RC # of keys Accessories included Carton (English/French/Spanish) English English Circuit diagram Batteries Product registration Card Yes（English) AC Cable Length 1.8m Audio Cord (Jack 3.5mm) ‘- VGA Cord Wallmount frame Optional Antenna Cable 6 in 1( YPbPr & CVBS) cable adapter General Data Size (W x H x D, with stand) in mm Size (W x H x D, without stand) in mm...

  • Page 13: Block Diagram

    SYSTEM BLOCK DIAGRAM 5R81A-50E79 SYSTEM BLOCK -13-...

  • Page 14: List Of Key Parts

    List of key parts 5R81A-50E79 机芯 备注 认 证 P/N(参考) 名称 位号 生产厂家 厂家型号 规格 标 记 VISHAY HS75438 5300-147438-0S00 接收头 HC-49U/S/3 4900-127053-Q000 捷英达 晶振 HC-49US 4982-128852-R000 铜陵永创 L46/L48/ ACP8B43B-220M 4800-S12200-AS50 淮安华焓 L49/L50 LW13 ACP8B43B-100M 4800-S11000-AS60 电感 淮安华焓 CRB8040-100M 4800-S11000-ASA0 柯爱亚...

  • Page 15: Ic Block Diagram

    IC Block Diagram -15-...
  • Page 16 -16-...
  • Page 17 -17-...
  • Page 18 2. 5711 -18-...
  • Page 19 -19-...
  • Page 20 -20-...

  • Page 21: Main Pcb-Top

    Main PCB Top -21-...

  • Page 22: Main Pcb-Bot

    Main PCB-Bottom -22-...

  • Page 23: Circuit Diagrams

    HDMI Switch LVDS OutPut DDR1.5V Connector Power Module AV IN LVDS 3.3V LDO RTD2975K 5V DC-DC Standby3.3V DC-DC L-AUDIO Crystal R-AUDIO Y-PB-PR 主要型 號 : TL-65UD95 DVB-T Earphone 系 列 型 號 : DEMOD TL-65UD96 UART TL-65UD97 TL-65UD98 USB1 TL-65UD99 USB2 HDMI1 HDMI2...
  • Page 24 D1V1 CORE_1V0 A3V3 ADC_3V3 BEAD IF+ % IF- exange for Layout To Tuner <17> VIFM IF_N BEAD CS88 CS91 CS92 CS93 CS95 <17> VIFP IN_P TUN_I2C_SDA CS49 TSDA2 VDD10 TUN_I2C_SCL 10uF 100nF 100nF 100nF 100nF ADC_1V0 TSCL2 ADCV10 TUN_I2C_SDA 0R/NC BEAD 100nF VDC_1V0...
  • Page 25 DW_S_DM1 DW_S_DM1_ DW_S_DQ11 DW_S_DQ11_ DW_S1_DM1_ DW_S1_DM1 DW_S_DQ13 DW_S_DQ13_ DW_S_DQ27_ DW_S_DQ27 To USB DGND DW_S_DQ9 DW_S_DQ9_ DW_S_DQ29_ DW_S_DQ29 VDC_1V0 U3TXP ETHV10 RDN1 RDN3 VDC_1V0 U3TXN U3RXV10 DW_S_DQ15 DW_S_DQ15_ DW_S_DQ25_ DW_S_DQ25 USB_1V0 DDR1V5 U3RXP USBV10 DW_S_DQ0 DW_S_DQ0_ DW_S_DQ31_ DW_S_DQ31 U3RXN USB1_DP USB2_DP DW_S_DQ2 DW_S_DQ2_ DW_S_DQ16_...
  • Page 26 LSADC_REF A1V0 PLL_1V0 To Flash ROM [GPIO116]I2C_Extension/GPIO LS16 BEAD ADC_3V3 PLLV33 CO10 [GPIO117]I2C_Extension/GPIO PLL_1V0 [GPIO118]LD/GPIO (EEPROM WP) PLLV10 CO10 N_ALE/SPI_SDO CS60 <6> N_ALE/SPI_SDO [GPIO119]LD/GPIO (FLASH WP) CO10 N_CLE/SPI_SCLK PLL_GND CORE_1V0 <6> N_CLE/SPI_SCLK PLLG CO10 100nF CO10 CO10 SPI_CS# S_CS# CO10 N_CE1# PLL_GND AGND...
  • Page 27 From RTD2975 DW_S_DQ8 DW_S_DQ24 DW_S_DQ24 DW_S1_DA0 <3> DW_S_DQ8 <3> DW_S_DQ24 DQU0[8] DW_S_DQ9 DW_S_DQ25 DW_S_DQ8 DW_S_DA0 DW_S_DQ25 DW_S1_DA1 <3> DW_S_DQ9 <3> DW_S_DQ25 DQU0[8] DQU1[9] DW_S_DQ10 DW_S_DQ26 DW_S_DQ9 DW_S_DA1 DW_S_DQ26 DW_S1_DA2 <3> DW_S_DQ10 <3> DW_S_DQ26 DQU1[9] DQU2[10] DW_S_DQ11 DW_S_DQ27 DW_S_DQ10 DW_S_DA2 DW_S_DQ27 DW_S1_DA3 <3>...
  • Page 28 From RTD2975 +24V PWR_12V D_5V I2S_O_D0 <3,19> I2S_O_D0 DM_3V3 C129 I2S_O_WCLK 100uF/16V/35V <3,19> I2S_O_WCLK I2S_O_MCLK <3,19> I2S_O_MCLK NC_0R I2S_O_SCLK <3> I2S_O_SCLK IN4148 100K AMP_MUTE POWER_MUTE 100R PWDN R81 NC_100K BAT54C RESET 2N3906 C128 NC/Z DIODE 5V6 MMBT3904 1uF/16V AMP_MUTE <4> AMP_MUTE DGND C131 0.047uF/16V...
  • Page 29 TDST-070F-LG Closed to 2975K TUN_DIF- VIFM C210 0.1u R265 0R TU_SW VIFM C95 NC Tuner_VCC Tuner_VCC T_IF-AGC Tuner_VCC TUN_DIF- TUN_DIF+ VIFP C226 0.1u R349 0R TUN_DIF+ VIFP TC69 TUN_SCL TUN_SDA Tuner_VCC C56 0.1u VICM2 12K/F CN13 R12K2 TUN_SDA TUN_I2C_SDA TR18 100/NC TUN_SCL TR19 100/NC TUN_I2C_SCL...
  • Page 30 From RTD2975 for LVDS PWR_12V TX_DEP_ PVCC 100R_3A <4> TX_DEP_ TX_DEN_ C248 C247 <4> TX_DEN_ TX_DDP_ 100R_3A <4> TX_DDP_ 0.1uF/50V TX_DDN_ CW59 <4> TX_DDN_ 220uF/16V 100R_3A 22uF/16V NC_9435A TX_D_CKP_ <4> TX_D_CKP_ TX_D_CKN_ <4> TX_D_CKN_ TX_DCP_ RP1 0R TX_AEP_ RA4+ C249 ME2345A <4>...
  • Page 31 R167 VIN_A0- VIN_A0- R181 6.8K YPBPR1_IN_R R180 6.8K YPBPR1_IN_L R182 R183 AV IN RCA-3P NC_5pF NC_5pF 创 维 SKYWORTH Title Title Title AUDIO INPUT AUDIO INPUT AUDIO INPUT Document Number Document Number Document Number Size Size Size Design Design Design...
  • Page 32 HDMI3 RP24 RP22 HDMI0_D2-_ HDMI0_D2- +5V_SMART HDMI0_D0-_ HDMI0_D0- HDMI0_D2+_ HDMI0_D2+ HDMI0_D0+_ HDMI0_D0+ HDMI0_SCL# HDMI0_DDC_SCL R189 100R HDMI0_SDA# HDMI0_DDC_SDA R190 100R RP23 RP21 HDMI0_CON5V HDMI0_D1-_ HDMI0_D1- HDMI0_CLK-_ HDMI0_CLK- HDMI0_HPD HDMI0_HPD HDMI0_D1+_ HDMI0_D1+ HDMI0_CLK+_ HDMI0_CLK+ C266 R192 1K/NC HDMI0_D2+_ R191 0.1uF/16V/NC DATA2+ HDMI0_D2-_ 47K/NC DATA2-...
  • Page 33 NC_5pF NC_5pF NC_5pF NC_5pF R253 100R VGA_DDC_SDA VGA_DDC_SDA R252 100R VGA_DDC_SCL VGA_DDC_SCL 创 维 SKYWORTH CON4_2.0 Title Title Title Y,Pb,Pr, & VGA INPUT Y,Pb,Pr, & VGA INPUT Y,Pb,Pr, & VGA INPUT Document Number Document Number Document Number Size Size Size...
  • Page 34 R518 330R SPDIF_OUT R519 100R DD31 EAR_MUTE HP_OUT CLOSED TO MSD1309BT MMBT3904 DGND 创 维 SKYWORTH Title Title Title VIDEO & AUDIO OUTPUT VIDEO & AUDIO OUTPUT VIDEO & AUDIO OUTPUT Document Number Document Number Document Number Size Size Size...
  • Page 35 IRRX LED_LAMP R276 R337 NC_0R NC_10K R688 R511 R277 4.7K LEDG 2N3904 创 维 SKYWORTH Title Title Title IR & KEY INPUT IR & KEY INPUT IR & KEY INPUT Document Number Document Number Document Number Size Size Size Design...
  • Page 36 GND2 Ether_RxN R664 75R/1% TCM- REGOUT TRANSFORMER-16P CB650 FB605 1nF/2KV 10nF 10nF 创 维 SKYWORTH 600mA Title Title Title USB & Ethernet Size Size Size Document Number Document Number Document Number R e v R e v R e v...
  • Page 37 NC_100R R365 R343 R344 NC_2K 2N3904 4.7K 2N3904 4.7K 创 维 SKYWORTH 这 部 份 的 电 路 不 能 取 消 ， 以 适 应 POWER Module的 开 机 方 式 Title Title Title POWER POWER POWER Document Number...
  • Page 38 C396 C397 C398 R374 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V DGND DGND Caution: When Mass produce, R370 change to NC, R374 change to 4.7K. 创 维 SKYWORTH Title Title Title FLASH FLASH FLASH Size Size Size Document Number Document Number Document Number...

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