Skyworth 5R81A-50E79 Service Manual Download Page 1

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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
Checked By:       Date:
Approved By:        Date:

SIZE:A4

Summary of Contents for 5R81A-50E79

Page 1: ...ASSIS 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 Checked By Date Approved By Date SIZE A4 ...

Page 2: ... 2 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: ...d 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 3 Test and check method 3 1 Capability According to nation test standard 3 2 Safety IEC60065 3 3 EMC standard standard ...

Page 4: ...rd captivity 40 N 11 Flammability Back Cover PASS 12 Sharp edge PASS 13 UL Compliance NO 14 FCC Compliance NO 15 CDRH Radiation Compliance NO 16 CSA Compliance NO 17 CEB Compliance NO 18 CE Compliance Base on different order 19 CB Compliance NO BSMI 5 Video NO Item Min Typ Max Unit Remark 1 Linearity Distortion Vertical 1 2 Linearity Distortion Horizontal 1 3 Trapezoidal Distortion Vertical 1 4 Tr...

Page 5: ...266 276 9800 280 290 6500 313 329 4 Color Sensitivity 30 dB 5 Color Burst Lock in Range 300 Hz 6 Color Killer Sensitivity 30 dBuV 7 Audio NO Item Min Typ Max Unit Remark 1 Audio Noise Limited Sensitivity VHF L 25 dBuV 2 Audio Noise Limited Sensitivity VHF H 25 dBuV 3 Audio Noise Limited Sensitivity UHF 28 dBuV 4 Buzz S N Ratio 40 dB 5 Distortion 3 6 Audio ouput L R at 7 THD 8 W 7 Audio ouput Cente...

Page 6: ...Frequency Response N A Hz 14 Audio output S N N A dB 15 Audio output Distortion N A 16 Video Input Level R G B 0 7 Vp p 17 Video Input Level Component Y Pb Pr 0 7 Vp p 18 RGB Input Resolution Vertical 1080 pixel 19 RGB Input Resolution Horizontal 1920 pixel 20 RGB Input Horizontal Frequency 68 kHz 21 RGB Input Frame Rate 60 Hz 10 The Others NO Item Min Typ Max Unit Remark 1 Search sensitivity 40 d...

Page 7: ...On 8 Sleep Timer off 9 Auto sleep off 10 Blue back off 11 Surround off 12 Caption off 13 Noise Reducer Middle 12 Reliability NO Item Min Typ Max Unit Remark 1 ESD 4 kV IEC 1000 4 2 2 EFT Burst kV IEC 1000 4 4 3 Surge Immunity kV IEC 1000 4 5 4 Voltage Dip Test 10ms IEC 1000 4 11 5 Voltage Dip Test 100ms IEC 1000 4 11 6 Operation Temperature deg 7 Operation Humidity 8 Storage Temperature deg 9 MTBF...

Page 8: ...ard CE MPTT CB BSMI RoHS Yes Power supply 100 240V AC 10 100 240V AC 10 10 Power consumption working Annual Power consumption standby 0 5W Power plug VDE UL BS BSMI 2pins Picture display Screen size diagonale inch 50 Aspect ratio 16 9 4 3 15 9 16 9 1st panel supplier panel suppliers CHIMEI 1st panel supplier panel reference Panel Display Type MVA PVA IPS TFT LCD 1st panel supplier resolution 3840x...

Page 9: ... Balance Mute Volume Balance Mute Sound presets User Speech News Standard Standard Music Movie Sport Personal Headphone volume control Separated linked Yes Linked Sound quality High Mid Low Mid Reception and Decoding capability RF range ATV 54MHz 803MHz RF range DTV UHF 473 803 MHZ Color System PAL SECAM NTSC PAL M N NTSC Audio Standard B G H D K K I L L M Stereo audio system Nicam MTS A2 SAP Vide...

Page 10: ...er of buttons on cabinet Power Vol Pr Menu Vol Pr Menu Source Power Main switch button yes No Yes CCD Closed Caption V CHIP No No Text Standard Top FLOF No Teletext Level 2 5 1 5 Pages for teletext Teletext character sets DVB T teletext Real clock From DTV Sleep timer 15 120 Min Timer Turn On Off Program Switch Parent Control Source and Channel lock Input code for certain channel No Parent Control...

Page 11: ...ia 3 5mm for audio in HDMI 2 DVI No Audio input for DVI No CINCH subwoofer out Coaxial out S PDIF YES Coaxial Headphone output connector mm No RS232 Y N VGA or DB9 port No Card Readers No USB slot No 1 1 2 1 Software update JPEG MP3 RMVB Multimedia depends on license DVB CI common interface No External power converter input No Connectors Side HDMI 2 AV IN 1 AV OUT No Component Video Input YCrCb YP...

Page 12: ...ht in kg Gross Weight in Kg Design Mechanical Wallmount VESA compatible standard reference Yes Adaptor for VESA wallmount compatibility accessory ref Yes Desktop Stand included optionnal ref No included Panel Tilt Fowards Backwards Rotation No Swivel function desktop stand yes No motorized No Docking station yes No No Floor Stand included optionnal ref No No Glass shield yes No No Finish on Front ...

Page 13: ... 13 SYSTEM BLOCK DIAGRAM 5R81A 50E79 SYSTEM BLOCK ...

Page 14: ...18274HD C1 4706 T18270 0480 5 所有 IC U1 Realtek RTD2975K 474Z R29750 4480 U7 Realtek RTL2832 474Z R28320 0480 U22 SS K9F1G08U0D SCB0 4709 K9F1G0 0480 U6 TI TAS5711 4722 T57110 0480 UD1 UD2 NANYA NT5CB128M16HP DI 471X N5C2G1 0960 U211 MPS MP1470GJ Z 476A M14700 0060 U12 MPS MP1495DJ LF Z 476A M14950 0080 U215 MPS MP9415EN LF Z 476A M94150 0080 U25 松木宣科 ME9435A 47D9 M94350 0080 U212 A1 半导体 AS1117R T...

Page 15: ... 15 IC Block Diagram ...

Page 16: ... 16 ...

Page 17: ... 17 ...

Page 18: ... 18 2 5711 ...

Page 19: ... 19 ...

Page 20: ... 20 ...

Page 21: ... 21 Main PCB Top ...

Page 22: ... 22 Main PCB Bottom ...

Page 23: ...ower Module 3 3V LDO 5V DC DC Standby3 3V DC DC NAND Flash Power CON SPK CON USB2 HDMI1 HDMI2 USB1 AMP RTD2975K Crystal DDR1 5V UART AV IN SPDIF LVDS OutPut DVB T DEMOD core 1 1V POWER L AUDIO R AUDIO HDMI3 HDMI4 HDMI Switch Connector 主要型號 TL 65UD95 系列型號 TL 65UD96 TL 65UD97 TL 65UD98 TL 65UD99 ...

Page 24: ...I2C_SCL 17 HDMI0_DDC_SDA 12 20 HDMI0_DDC_SCL 12 20 HDMI1_DDC_SDA 12 20 VGA_DDC_SCL 11 20 VGA_DDC_SDA 11 20 EEP_WP I2C_SCL I2C_SDA HOTPLUG2 HOTPLUG1 FLASH_WP EEP_WP HOTPLUG0 AOUT_L 13 AOUT_R 13 AV2_CVBS 9 AGC 17 VIFM 17 VIFP 17 IF AGC SEL CVBS_OUT 9 HP_OUT_R HP_OUT_L Title Size Document Number Rev Date Sheet o f Doc 0 1 RTD2975 1 A3 1 17 Thursday June 20 2013 Title Size Document Number Rev Date She...

Page 25: ... DW_S1_CAS DW_S1_CAS _ DW_S1_DA10 DW_S1_DA10_ DW_S1_DBA2_ DW_S1_DBA2 DW_S1_DBA0 DW_S1_DBA0_ DW_S1_WE DW_S1_WE _ DW_S1_DA12 DW_S1_DA12_ USB3_DM USB3_DP USB3_DM USB3_DP TCON_LR TCON_LR DGND DDR1V5 D1V5 APLLGND DGND D1V1 USB_1V0 DGND VDC_1V0 VDC_1V0 USB_1V0 ADC_3V3 BB2_3V3 AGND DGND DDR1V5 DGND DDR1V5 DGND DGND DW_S1_CS 7 USB2_DP 15 USB2_DM 15 USB2_PWR_FLAG 15 USB1_DP 15 USB1_DM 15 Ether_TxP 16 DW_S_...

Page 26: ...I_SDO 6 I2S_O_SCLK 14 I2S_O_WCLK 14 19 I2S_O_MCLK 14 19 I2S_O_D0 14 19 LSADC2 URAT_TX URAT_RX RESET I2C_SDA I2C_SCL OPC EN SPDIF_OUT TX_CCN_ 8 TX_CBP_ 8 TX_CBN_ 8 TX_CAP_ 8 TX_CAN_ 8 TX_CEP_ 8 TX_CEN_ 8 TX_CDP_ 8 TX_CDN_ 8 TX_C_CKP_ 8 TX_C_CKN_ 8 TX_CCP_ 8 TX_DEP_ 8 TX_DEN_ 8 TX_BCN_ 8 TX_BBP_ 8 TX_DDP_ 8 TX_BBN_ 8 TX_BAP_ 8 TX_BAN_ 8 TX_BEP_ 8 TX_BEN_ 8 TX_BDP_ 8 TX_BDN_ 8 TX_B_CKP_ 8 TX_B_CKN_ 8...

Page 27: ...A0 3 DW_S1_DA9 3 DW_S1_DA10 3 DW_S1_DA11 3 DW_S1_DA12 3 DW_S1_DA5_1 3 DW_S1_DA6 3 DW_S1_DA7 3 DW_S1_DA8 3 DW_S1_DBA1 3 DW_S1_DBA2 3 DW_S1_WE 3 DW_S1_DA13 3 DW_S1_DBA0 3 DW_S1_CKE 3 DW_S_DQ24 3 DW_S1_CK 3 DW_S1_CK 3 DW_S1_CAS 3 DW_S1_RAS 3 DW_S_DQ25 3 DW_S_DQ26 3 DW_S_DQ27 3 DW_S_DQ9 3 DW_S_DQ10 3 DW_S_DQ11 3 Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A A3 4 17 T...

Page 28: ... C212 22P R94 33R C173 0 1uF 50V C140 2 2nF 50V C486 0 1U 50V C520 0 1U 50V C160 0 1uF 50V L30 150R_1A C224 NC_22P C179 1nF 50V R96 100R Q1 MMBT3904 1 2 3 C174 1uF 50V R113 0R R88 18 2K 1 C150 10uF 10V L35 FUSE_3A 1 2 D5 IN4148 C492 330pf 50V CON5 SPR 2 1 3 4 C149 1nF 50V R76 10K C213 22P R66 100K C487 330pf 50V R64 NC_0R R95 100R C225 NC_22P C128 1uF 16V L49 22uH 2A7 L48 22uH 2A7 C178 0 1uF 50V R...

Page 29: ...AGC_IF 14 VDD3 15 AGC_RF 16 I2C_SCLT 17 I2C_SDAT 18 I2C_SCL 19 I2C_SDA 20 VDD1 21 I2C_ADDR0 22 FB 23 SW_VOUT1 24 SW_VDD3 25 ENSWREG 26 VDD1 27 HW_RST_N 28 M_ERR 29 M_SYNC 30 M_VAL 31 M_CKOUT 32 M_DATA0 33 M_DATA1 34 M_DATA2 35 M_DATA3 36 M_DATA4 37 M_DATA5 38 M_DATA6 39 M_DATA7 40 VDD3 41 UVDDA 42 VDDA33 43 VDDA 44 GNDA 45 VCMI 46 VDDA 47 R12K 48 GNDPAD 49 R35 4 7K R265 0R R815 100K C1442 220uF 16...

Page 30: ...AN_ 4 TX_ABP_ 4 LD_EN SCN_EN IREF Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A Custom 7 17 Thursday June 20 2013 LVDS OUTPUT Check of name Auditing of name Modify Rev Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A Custom 7 17 Thursday June 20 2013 LVDS OUTPUT Check of name Auditing of name Modify Rev Size Document Number Rev Dat...

Page 31: ...v Date Sheet o f Title Design Check Auditing Modify Rev A A4 8 17 Thursday June 20 2013 AUDIO INPUT Check of name Auditing of name Modify Rev Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A A4 8 17 Thursday June 20 2013 AUDIO INPUT Check of name Auditing of name Modify Rev R167 0R C262 470pF 10V C254 NC R180 6 8K P1 RCA 3P 1 2 3 4 5 6 R165 0R R170 10K C255 470pF 10...

Page 32: ... HDMI1_CLK 2 HDMI0_D1 2 HDMI2_DDC_SCL 2 HDMI1_D2 2 HDMI2_D1 2 HDMI1_CLK 2 HDMI0_D0 2 HDMI2_DDC_SDA 2 20 HOTPLUG1 2 HDMI1_D2 2 HDMI2_D1 2 HDMI1_DDC_SCL 2 20 HDMI0_D0 2 HDMI1_D1 2 I2C_SDA I2C_SCL HDMI2_ARC_EN 3 HDMI1_ARC_EN 3 SPDIF_OUT 3 UART_TX2 UART_RX2 CTR2 Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A Custom 9 17 Thursday June 20 2013 HDMI INPUT Check of name A...

Page 33: ...17 Thursday June 20 2013 Y Pb Pr VGA INPUT Check of name Auditing of name Modify Rev Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A Custom 10 17 Thursday June 20 2013 Y Pb Pr VGA INPUT Check of name Auditing of name Modify Rev R242 100R D14 BAT54C 3 1 2 E52 NC_5pF 1 2 C284 22P R237 100R VGA_R VGA_G VGA_B TX SCL DGND VGA_R VGA_G VGA_B NC DGND DDCSDA DDCSCL HSIN VSI...

Page 34: ...iting of name Modify Rev Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A A4 11 17 Thursday June 20 2013 VIDEO AUDIO OUTPUT Check of name Auditing of name Modify Rev Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A A4 11 17 Thursday June 20 2013 VIDEO AUDIO OUTPUT Check of name Auditing of name Modify Rev DD31 NC D338 NC 1 2 RN4 0R P1...

Page 35: ...ting Modify Rev A A4 12 17 Thursday June 20 2013 IR KEY INPUT Check of name Auditing of name Modify Rev Size Document Number Rev Date Sheet o f Title Design Check Auditing Modify Rev A A4 12 17 Thursday June 20 2013 IR KEY INPUT Check of name Auditing of name Modify Rev R278 100R C291 0 1uF 16V CN7 CON20 J20 12 POWER_IO 1 KEY1 2 KEY2 3 GND 4 ST_5V 5 GND 6 IR 7 GND 8 LED 9 GND 10 Light 11 3 3V 12 E...

Page 36: ...e Document Number Rev Date Sheet o f Custom 13 17 Thursday June 20 2013 R284 0R SG7 1 1 2 2 C307 100nF E68 NC_1pF 1 2 E69 NC_1pF 1 2 R670 0R SG8 1 1 2 2 R682 0R NC E70 NC_1pF 1 2 R404 47K E67 NC_1pF 1 2 R294 30K R669 0R U111 HST 0041 TRANSFORMER 16P TD 1 TCT 2 TD 3 NC1 4 NC2 5 RD 6 RCT 7 RD 8 RX 9 TCM 10 RX 11 NC3 12 NC4 13 TX 14 TCM 15 TX 16 R657 75R 1 P19 USB_A 1 1 2 2 3 3 4 4 5 5 6 6 C401 NC FB...

Page 37: ...OZ1036PI PGND 1 NC 8 NC 7 EN 6 AGND 3 FB 4 COMP 5 VIN 2 LX 9 R115 NC 0 C36 0 1uF D7 NC IN4148 R354 10K R120 5 1K 1 CW16 100nF C356 220uF16V CW36 NC CA131 220uF 16V R20 NC 36K R357 1K R344 4 7K C376 NC 22uF 16V R336 NC_2 4K R111 56K_1 R121 470K CW53 22uF 16V R175 100K C47 22uF 100nF CW25 C650 NC_0 1uF 16V R21 NC 9K1 R360 10K L12 10uH 3A R12 NC 1K CW28 100uF 16V C257 4 7uF R112 22R C374 NC_10uF 10V ...

Page 38: ...4 4 N_DATA5 4 N_DATA6 4 N_DATA7 4 N_RDY 4 Title Size Document Number Rev Date Sheet o f Doc 0 1 FLASH A4 15 17 Thursday June 20 2013 Title Size Document Number Rev Date Sheet o f Doc 0 1 FLASH A4 15 17 Thursday June 20 2013 Title Size Document Number Rev Date Sheet o f Doc 0 1 FLASH A4 15 17 Thursday June 20 2013 R384 NC_4 7K R374 NC R370 4 7K C397 0 1uF 16V C396 0 1uF 16V R369 4 7K R366 NC_22R R3...

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