Shivaki STV-16LED1, Service Manual

Page 1: ...LED TV SERVICE MANUAL Editor Verify Approver STV 16LED1 ...

Page 2: ...ents Features 3 Function layout 5 PCB dimension 6 Schematic of IR and Keyboard 7 Main board Power supply 7 Interface definition 8 Software Update Steps 11 Power 12 IR KEY Board 18 Bom list 19 Board service manual 21 Schematic 28 ...

Page 3: ...e dual 8bit 10bit LVDS LCD Panel Panel power 3 3V 5V 12V optional Receiving Range 43 25MHz 863 25MHz Input Impedance 75 ohm Video System PAL SECAM NTSC Sound System BG DK M N L L Max Storage channels 200 ATV VBI CC V CHIP Teletext 100pages Video System PAL NTSC SECAM AV Video Level 1 0 Vp p 5 S Video S Y 0 714Vp p 5 S C 0 286Vp p 5 Component 480i 480p 576i 576p 720p 1080i 1080p SCART Full SCART wi...

Page 4: ...ub 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 USB 1 USB Terminal Output Earphone Output 1 Earphone Terminal black Expandable Function DVD Combo ...

Page 5: ...put XS444 LVDS Output J501 Panel Power Select CN001 CN002 LED Backlight XS502 Inverter Interface XS606 Software Upgrade XS607 IIC Interface XS901 External USB XS601 IR LED Interface XS610 Key Interface XS501 XS504 Mainboard Power supply ...

Page 6: ...8 17 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 No Description No Description No Description 1 HDMI In 7 Component Pb In 13 AV In 2 FULL Scart 8 Component Y In 14 AV S Video R in 3 S Video In 9 Component R In 15 AV S Video L in 4 DC 12V In 10 Component L In 16 Earphone Out 5 PC RGB In 11 SPDIF Out 17 USB2 0 In 6 PC RGB Audio In 12 Component Pr In 18 RF In ...

Page 7: ...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: ...wer Supply XS601 5PIN 2 0 IR and LED board Interface PIN No Definition Description 1 GND Ground 2 IR IR 3 LED GREEN Green Indicator 4 LED RED Red Indicator 5 5V 5V DC Power Supply XS610 3PIN 2 00 Key Interface PIN No Definition Description 1 GND GND 2 Key1 3 Key0 XS502 6PIN 2 0 Inverter PIN No Definition Description 1 GND Ground 2 GND Ground 3 DIMMING Brightness Adjustment for panel 4 BL_OFF Backl...

Page 9: ...E4 17 RXO3 35 GND 18 RXO3 36 GND Note You can select ODD if you use single LVDS input JP501 2X3PIN 2 5 Panel Power Select PIN No Definition Description 1 12V 3 5V 5 3 3V 2 4 6 VCC_PANEL Panel Power Supply Note Please select the appropriate power by jumper for panel XS606 4PIN 2 0 Software upgrade Interface PIN No Definition Description 1 5VSB 5V 2 GND Ground 3 RXD RX 4 TXD TX XS803 4PIN 2 54 Speak...

Page 10: ... WP Write Protect 2 GND Ground 3 3V3 3 3V DC Power Supply 4 SDA SDA of IIC 5 SCL SCL of IIC XS901 4PIN 2 0 External USB Interface PIN No Definition Description 1 U5V 2 D 3 D 4 GND CN001 CN002 2PIN 2 0 LED Backlight Interface PIN No Definition Description 1 H 2 L ...

Page 11: ...he main menu as below OSD Language English TTX Language Blue Screen OSD Duration User Reset Software Update USB OPTION Step4 Use up or down key move the highlight bar to Software Update USB and press OK key Step5 Press left key to confirm to software update or right key to cancel the operate Step6 Wait the end of this operation and then the LCDTV will be restart automatically ...

Page 12: ...10 IR KEY Board Part 9 External power AC DC ADAPTER The power output is DC12V the maximum current is 3A ...

Page 13: ... 1 12 Speaker Pannel line Speaker line 1 PCS 1 GAWH2001 AG KEY board socket PVC MK0X0413A KR MA0X0843 A3 1 1 Back AV label 1 1 Terminal label Pack bag foe CBU 550 500 Pack bag foe manual 240 290 MG3X0128 E3G 1 1 1 1 1 MG5X0010 KR MJ0X0319A JC MJ0X0319D JC 1 1 MJ1X0007 L1G 4 PCS 37 4 PCS 38 39 SCREW M3 8I 4 PCS SDAC308R0FF HG JW2151 V002 AG JB5351 V001 AG ESB4R0T010 JSK301 S001 4G MA0X0836A A3 MA0X...

Page 14: ...F HG SQA 306R0FF HG SCREW SJ2824 3 6F 5 PCS SQA 308R0FD HG 47 48 49 50 SSAA30012FE HG SCREW 3 12 SCREW ST3 8F PCS PCS PCS PCS PCS PCS 1 1 1 1 1 RDB222J NAATUG 1 6W 2 2K RDB122J NAATUG 1 6W 1 2K RDB332J NAATUG 1 6W 3 3K RDB561J NAATUG 1 6W 560 RDB562J NAATUG 1 6W 5 6K RDB822J NAATUG 1 6W 8 2K PCS 1 ...

Page 15: ...d service manual 6M48 HDMI L R PC RGB SCART1 External YPbPr External DVD Tuner 15330 15330 LVDS Out A Type AMP 1517 DDR FLASH Speaker USB RGB AV L R Out AV L R In AV L R S Video Signal flow chart Earphone Out ...

Page 16: ...L505 FB Jupmer V506 MOS LVDS Power 12VSTB 5VSTB 5V 3 3V N507 DCDC 1539 1530 L503 FB N505 1084 ADJ L508 FB L509 FB R523 4 7R R527 4 7R N504 1084 ADJ L507 FB N201 DDR 1 8V V592 MOS USB1 5V_USB1 F592 FUSE USB2 5V_USB2 N503 1084 3 3 L504 FB L510 FB 3 3VSTB N602 FLASH N300 15330 N302 15330 Ect N202 MOS R720 150R R721 150R Tuner L002 10uH N003 2481 N004 2481 LED Backlight LED Backlight 12V ...

Page 17: ... 1 2V N505 2 5V N504 1 8V V592 5V F592 5V Check N501 perpheral circuit If 3 3VSTB output of N503 is OK Check perpheral circuit of N503 If 12V output of N202 is OK Check perpheral circuit of N202 If outputs of N003 and N004 are OK OK Check perpheral circuit of N003 N004 If 5V output of N501 is OK N502 N507 N505 N504 V592 F592 is damaged or output network is short circuit N N N N N N Y Y Y Y Y Y ...

Page 18: ...put circuit Change LCD panel Check panel power supply part Check source select and source Y Y Y Y N N N N Screen is black Figure3 Display part If pin3 of XS502 is normal H Normal L Standby If inverter power supply is OK If LCD panel is OK If panel power supply is OK Check inverter control circuit Check inverter power supply circuit Change LCD panel Check panel power supply part Check Inverter or i...

Page 19: ... earphone Check 6M48 audio input and output circuit Y N Check Perpheral Circuit of N802 TV doesn t search no picture Figure5 Function part TV video trouble shooting If external RF signal input is normal If Tuner power supply is OK Pin7 of A701 5V If VT power supply of tuner is OK Pin9 of A701 33V If IIC data is OK Pin4 5 of A701 Check external RF equipment Check Tuner power supply circuit Check 33...

Page 20: ...Check PC RGB s ource Picture jitter If VS HS signal is normal If VS HS signal is OK Perform auto adjust or mode not supported No signal displayed If pin1 of N300 is OK H SCART RGB L PC RGB Check pin1 of N300 network Check pin 4 7 9 12 of N300 network Check VS HS input Circuit Figure8 Function part External YPbPr DVD YPbPr DVD No signal displayed Miss colorpure color cast If pin1 of N302 is OK H YP...

Page 21: ...in1 of N300 is OK H SCART RGB L PC RGB Check pin 4 7 9 12 and pin3 6 10 13 of N300 network SCART RGB No signal displayed If FS signal f rom SCART terminal is OK Check SCART source equipment Check Pin1 of N300 network Check pin 4 7 9 12 and pin3 6 10 13 of N300 network Check SCART source equipment SCART AV output N o signal Check pin 46 62 63 of N401 network Figure11 Function part HDMI HDMI HDMI2 V...

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