Shivaki STV-16LED1 Service Manual
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Shivaki STV-16LED1 Service Manual

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LED TV
STV-16LED1
SERVICE MANUAL
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Summary of Contents for Shivaki STV-16LED1

  • Page 1 All manuals and user guides at all-guides.com LED TV STV-16LED1 SERVICE MANUAL Editor Verify Approver...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Contents General description ----------------------------------------------------3 ---------------------------------------------3 Features ---------------------------------------------5 Function layout ---------------------------------------------6 PCB dimension -----------------------------------7 Schematic of IR and Keyboard -----------------------------------7 Main board Power supply -----------------------------------8 Interface definition -----------------------------------11 Software Update Steps ----------------------------------12 Power IR +KEY Board ----------------------------------18 -----------------------------------19 Bom list...

  • Page 3: General Description

    All manuals and user guides at all-guides.com 1. General description LM1EC is a multi-purpose and energy-efficient LCDTV control board with single/dual 8bit/10bit LVDS interface, the resolution of LCDTV panel is up to 1920*1080. It also can support LED backlight LCD panel. LM1EC supports PAL/SECAM/NTSC、HDMI、Component、...
  • Page 4 All manuals and user guides at all-guides.com AV&S-Video Audio 2 RCA Terminal （red,white） PC-RGB 1 D-Sub Terminal(15PIN) PC-RGB Audio 1 Earphone Terminal ( black ) Component 3 RCA Terminal （green,blue,red） Component Audio 2 RCA Terminal （red,white） HDMI 1 HDMI Terminal 1 USB Terminal Output Earphone Output...

  • Page 5: Function Layout

    All manuals and user guides at all-guides.com 3. Function layout XS502 J501 XS901 XS607 XS444 CN001/ XS803 Inverter Panel External LVDS CN002 Speaker Interface Power Interface Output Output Select Backlight XS601 IR&LED Interface XS610 Interface XS501/ XS504 Mainboard Power supply XS606 Software Upgrade...

  • Page 6: Pcb Dimension

    All manuals and user guides at all-guides.com 4. PCB dimension PCB Height =20.5mm PCB Length = 190mm PCB Width = 149mm PCB Screw Bore Size : Diameter is 3.5mm 4- 4.4 φ 2- 3 Φ 8- 10.8 φ 2- 4 Φ...

  • Page 7: Schematic Of Ir And Keyboard

    All manuals and user guides at all-guides.com 5. Schematic of IR and Keyboard 6. Main board Power supply The power supply for this board is DC12V, the maximum current is 4A.

  • Page 8: Interface Definition

    All manuals and user guides at all-guides.com 7. Interface definition ‹ XS501（7PIN/2.0）Main Board Power Supply PIN No. Definition Description +12V DC Power Supply Ground Standby Control 5VSB +5V Standby Power supply 5VSB ‹ XS504（4PIN/2.0）Main Board Power Supply PIN No. Definition Description Ground +5V DC Power Supply...
  • Page 9 All manuals and user guides at all-guides.com PIN No. Definition Description PIN No. Definition Description Panel Power RXE0+ Panel Power RXE0- RXE1+ Panel Power RXE1- RXE2+ RXE2- RXO0+ RXO0- RXO1+ RXEC+ RXO1- RXEC- RXO2+ RXE3+ RXO2- RXE3- RXO4+ RXO4- RXOC+ RXE4+ RXOC- RXE4-...
  • Page 10 All manuals and user guides at all-guides.com ‹ XS607（4PIN/2.0） ：IIC Interface PIN No. Definition Description Write Protect Ground +3.3V DC Power Supply SDA of IIC SCL of IIC ‹ XS901（4PIN/2.0）External USB Interface PIN No. Definition Description ‹ CN001/CN002（2PIN/2.0）LED Backlight Interface PIN No.

  • Page 11: Software Update Steps

    All manuals and user guides at all-guides.com 8. software Update Steps: Step1: Copy merge_6M48.bin file to USB disk, and then plug the disk to USB slot. Step2: Power on the LCDTV. Step3: Press MENU key，then left or right key, call the main menu as below: OSD Language English TTX Language Blue Screen...
  • Page 12 All manuals and user guides at all-guides.com 9 External power(AC/DC ADAPTER) The power output is DC12V,the maximum current is 3A 10 IR KEY Board Part...

  • Page 13: Ir Key Board

    All manuals and user guides at all-guides.com 11 BOM LIST STV 16LED1 16LED1BOM MST6M48 mina board BLM1EC--01A-ZG BXATB254 B - -----# Tuner DLD3B002 LED Red green NBRM H8638AN G KTA11VA003 PUSH SWITCH 5mm 7 5mm connection RZ 000 2NBNNQG IR KEY board PX80146----1CG Key line JW2151-V002-AG...
  • Page 14 All manuals and user guides at all-guides.com SCREW ST3*8 SKA-308R0FF-HG SLC-308R0FF-HG SCREW SJ2822-3*8 SQA-306R0FF-HG SCREW SJ2824-3*6F SQA-308R0FD-HG SCREW ST3*8F SCREW 3*12 SSAA30012FE-HG 1 6W 8 2K RDB822J NAATUG 1 6W 5 6K RDB562J NAATUG RDB561J NAATUG 1 6W 560 1 6W 3 3K RDB332J NAATUG RDB222J NAATUG 1 6W 2 2K...

  • Page 15: Board Service Manual

    All manuals and user guides at all-guides.com 12. Board service manual Signal flow chart LVDS Out A-Type Speaker 6M48 AMP 1517 FLASH 15330 15330 External S-Video External DVD Tuner AV/L/R In AV/L/R Out Earphone Out HDMI L/R PC-RGB YPbPr SCART1...
  • Page 16 All manuals and user guides at all-guides.com Power Inverter V007 N802 V506 Jupmer LVDS Power N506 VDD33 +5VSTB 3.3V F501 N501 N502 L505 DCDC Adapter Fuse 1117 -3 .3V +12VSTB 1539 N507 AVDD 1P2 DCDC 1539 /1530 L503 DVDD_DDR_1_2V 2.5V ADC 2P5 N505 L508...
  • Page 17 All manuals and user guides at all-guides.com After connect external Check Fuse and adapter, +12VSTB +12VSTB network ( Pin1 of N506) is OK? If +5VSTB (Pin5/6 of Check perpheral N506) is OK? circuit of N506 If these output points are OK: N502-3.3V, If 5V(output of Check N501 N507-1.2V, N505-...
  • Page 18 All manuals and user guides at all-guides.com Figure2: Display part Backlight is on but screen is black or video is unnormal If LVDS cable is connected OK? Change or re-plug in LVDS cable Check LVDS output circuit Check LVDS output circuit If LCD panel is OK? Change LCD panel If panel power supply is OK?
  • Page 19 All manuals and user guides at all-guides.com Figure4: Audio part (No audio) No audio If audio signal input is normal? Check external audio input If AMP power supply is OK? Check AMP power supply circuit or SMPS (PIN7 of N802) If volume and MUTE setup is OK? Adjust volume and MUTE If XS805 has audio output?
  • Page 20 All manuals and user guides at all-guides.com Figure6: Function part (TV hasn’ t sound) TV hasn’ t sound, but picture is OK If ot her source has sound Refer to “no sound ” maintenance process Check Z702 circuit Figure7: Function part (PC) TV has n’...
  • Page 21 All manuals and user guides at all-guides.com Figure9: Function part (AV/S-Video) AV/S-Video S-Video All Source No s ignal No signal No s ignal displayed displayed display ed Check pin42 of N401 Check pin40/41 of Chec k pow er of N401 network N401 network and crystal Y401...

  • Page 22: Schematic

    All manuals and user guides at all-guides.com 13. Schematic...
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