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Shivaki STV-19LED3 Service Manual
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Shivaki STV-19LED3 Service Manual

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SERVICE MANUAL
STV-19LED3
第 1 页，共 45 页

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Summary of Contents for Shivaki STV-19LED3

  • Page 1 SERVICE MANUAL STV-19LED3 第 1 页，共 45 页...

  • Page 2: Table Of Contents

    CONTENTS 1. GENERAL DESCRIPTION--------------------------------------------------------------------3 2. FUNCTION LAYOUT -------------------------------------------------------------------4 3. FEATURES ---------------------------------------------------------------------------------5 4. PCB DIMENSIONS----------------------------------------------------------------------- 6 5. SCHEMATICS OF IR BOARD & KEY BOARD ------------------------------------------6 6. INTERFACE DEFINITION ------------------------------------------------------------- 6 7.SCHEMATIC------------------------------------------------------------------------------ 6 8. POWER BOARD------------------------------------------------------------------------ 6 9.BOM LIST---------------------------------------------------------------------------------- 7 10. BOARD SERVICE MANUAL------------------------------------------------------------7 11.LINE DIAGRAM-----------------------------------------------------------------------8 12 .

  • Page 3: General Description

    T.MS18VG.62B (Europe)-SPECIFICATION 1. GENERAL DESCRIPTION T.MS18VG.62B is an analog TV control board, which is suitable for Pan Europe and UK market. It can support less than 26 inch LED panels which resolution is up to 1920×1080. USB2.0 support multimedia playback and Software upgrade. The HDMI support 1.4, the HDCP support1.1.

  • Page 4: Features

    T.MS18VG.62B (Europe)-SPECIFICATION FRONT VIEW OF T.MS18VG.62B DC Power HDMI PC RGB PC Audio Earphone Coaxial SCART Supply Slot In SIDE VIEW OF T.MS18VG.62B Pb/Cb Pr/Cr CVBS RF In CVBS & Component Component In Audio In 3. FEATURES MST6M181VG / MST6M182VG (without TELETEXT and NICAM) CHIPSET /MST6E181VG/ MST6E182VG (with TELETEXT and NICAM) MARKET AREA...
  • Page 5 T.MS18VG.62B (Europe)-SPECIFICATION Component Audio Frequency 100Hz~15KHz @±3dB (500mV reference signal) Response Max Output 2×3W(4Ω) THD+N<10%@1KHz power (Power Supply: 12V, Audio Input: 0.5V Requirement 12V DC/12V(built in)/12V,5V(built in)/12V,5V,5VSB(built in) POWER To Panel 3.3V, 5V, 12V Management Standby Power Consumption < 0.5W(Board Only) COMB FILTER DEINTERLACE INPUT, CH+, CH-, VOL+, VOL-,MENU, POWER...
  • Page 6 T.MS18VG.62B (Europe)-SPECIFICATION File Codec Media Remark Ext. Video Audio .aac Bit Rate: 32K~442Kbps Channel: Mono/Stereo .jpg/ Progressive JPEG Max Resolution: 1024×768 .jpeg Baseline JPEG Max Resolution: 15360×8640 Max Resolution: 9600×6400 Photo .bmp Pixel Depth: 1/4/8/16/24/32 bpp Non-Interlaced Max Resolution: 9600×6400 .png Interlaced Max Resolution: 1200×800...
  • Page 7 T.MS18VG.62B (Europe)-SPECIFICATION ELECTRICAL CHARACTERISTICS & REQUIREMENTS Power Supply Voltage Ripple Startup Rise Symbol Voltage@25℃ Mode Range Current Time Time 12V±0.6V 2000mA 120mV ≤100ms ≤50ms (Ext. Adaptor) 12V±0.6V 2000mA 120mV ≤100ms ≤50ms (Built-In) 12V/5V 12V±0.6V 1300mA 120mV ≤100ms ≤50ms (Built-In) 5.1V±0.05V 1500mA 50mV ≤100ms...

  • Page 8: Pcb Dimensions

    4. PCB DIMENSIONS The size of T.MS18VG.62B is 190mm(L)*104mm(W)*22mm(H). Ver . V1.0 DESCRIPTION DC IN HDMI IN VGA IN PC AUDIO IN SCART EARPHONE OUT COAX OUT YPbPr-Y IN YPbPr-Pb IN YPbPr-Pr IN CVBS IN YPbPr/CVBS-R IN YPbPr/CVBS-L IN RF IN 第...

  • Page 9: Schematics Of Ir Board & Key Board

    5. SCHEMATICS OF IR BOARD & KEY BOARD Note: The dividing resistor which is corresponding to the power key must be the least, otherwise, the key which the least one is corresponding to will work as power key, too. Recommended order: K0=INPUT, K1= CH+, K2=CH-, K3= VOL+, K4= VOL-, K5=MENU, K6=POWER, K7=NULL 6.
  • Page 10 T.MS18VG.62B (Europe)-SPECIFICATION SYMBOL DESCRIPTION Ground TXO0- LVDS ODD 0- Signal TXO0+ LVDS ODD 0+ Signal TXO1- LVDS ODD 1- Signal TXO1+ LVDS ODD 1+ Signal TXO2- LVDS ODD 2- Signal TXO2+ LVDS ODD 2+ Signal Ground TXOC- LVDS ODD Clock- Signal TXOC+ LVDS ODD Clock+ Signal TXO3-...
  • Page 11 T.MS18VG.62B (Europe)-SPECIFICATION ◆ *CN2(10PIN/2.0):MAIN POWER SUPPLY & INVERTER CONNECTOR SYMBOL DESCRIPTION +12V DC Power Supply Back-Light ON/OFF Control for Panel Brightness Adjustment for Panel Ground ◆ CN3(6PIN/2.0): INVERTER CONNECTOR SYMBOL DESCRIPTION +12V DC Power Supply Back-Light ON/OFF Control for Panel Brightness Adjustment for Panel Ground ◆...
  • Page 12 T.MS18VG.62B (Europe)-SPECIFICATION SYMBOL DESCRIPTION Key6 Key7(Reserved) Ground ◆ *CN14(5PIN/2.0): EXTERNAL AV OUTPUT CONNECTOR SYMBOL DESCRIPTION CVBS CVBS Output Ground CVBS_L CVBS Audio Left Channel Output Ground CVBS_R CVBS Audio Right Channel Output ◆ CNA1(4PIN/2.54): SPEAKER CONNECTOR SYMBOL DESCRIPTION Audio Left Channel Output Ground Audio Right Channel Output ◆...
  • Page 13 +12V +12VOFF QM12 RM12 CM12 12V-IN +12V NC/0.1uF-0402-Y5V-+80%-20%-16V 47Kohm-0402-±5%-1/16W 4K7ohm-0402-±5%-1/16W RM13 12V-IN 12V-IN MMBT3904(f≥350MHz) QM11 BL-ON ADJ /// DC-ADJ RM11 100Kohm-0402-±5%-1/16W POW-EN DC-005-2HT 0.1uF-0402-Y5V-+80%-20%-16V CM13 WPM3407 NC/0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V NC/0ohm-1206-±5%-1/4W 3F.3150212021ZLQGMV 6PIN-2.0-D-H- 红色 -G 470uF-16V-±20%-8×12-105 ℃ 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V NC/0.1uF-0402-Y5V-+80%-20%-16V 12V-IN 12V-IN 12V-IN 12V-IN RM25...
  • Page 14 NC/ICVL0518030FR YPbPr-YIN NC/ICVL0518030FR NC/ICVL0518030FR DI45 RI45 0ohm-0402-±5%-1/16W PC-RIN+ CI45 NC/ICVL0518030FR 0ohm-0402-±5%-1/16W CN30 75ohm-0402-±5%-1/16W 0ohm-0402-±5%-1/16W 33ohm-0402-±5%-1/16W 5V-OFF +5V-VID 100pF-0402-NPO-±5%-50V CN34 5V-STB 0.047uF-0402-X7R-±10%-16V SPDIFO RM61 CM61 100ohm-0402-±5%-1/16W 75ohm-0402-±5%-1/16W 10uF-0805-X5R-±10%-6.3V 220ohm-0402-±5%-1/16W CM62 75ohm-0402-±5%-1/16W 0.1uF-0402-Y5V-+80%-20%-16V 75ohm-0402-±5%-1/16W YPbPr-PbIN 0.1uF-0402-Y5V-+80%-20%-16V 330pF-0402-X7R-±10%-50V DI46 RI46 AV-8.4-5( 橙 ) RV22 CV14 PC-SOG...
  • Page 15 1V8-DDR 3V3-STB ADC2P5 +2.5V-PGA R232 MDDR-VREF C116 C117 C140 R233 C138 C127 AVSS-PGA 6M182VG 6E182VG ADC2P5 1V8-DDR 10uF-0805-X5R-±10%-6.3V 10uF-0805-X5R-±10%-6.3V 120ohm-0603-±25% 120ohm-0603-±25% 6M181VG 6E181VG 0.47uF-0402-Y5V-+80%-20%-10V 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V 0.1uF-0402-Y5V-+80%-20%-16V 1Kohm-0402-±1%-1/16W 10uF-0805-X5R-±10%-6.3V 120ohm-0603-±25% C169 1Kohm-0402-±1%-1/16W NC/0ohm-0402-±5%-1/16W 0ohm-0402-±5%-1/16W 0.1uF-0402-Y5V-+80%-20%-16V NC/0ohm-0402-±5%-1/16W NC/0ohm-0402-±5%-1/16W NC/0.1uF-0402-Y5V-+80%-20%-16V NC/0.1uF-0402-Y5V-+80%-20%-16V NC/0.1uF-0402-Y5V-+80%-20%-16V 1V8-DDR ADC2P5 3V3-STB...
  • Page 16 RA19 12V-AMP +12VOFF 1uF-0603-Y5V-+80%-20%-10V 0.1uF-0402-Y5V-+80%-20%-16V 1uF-0603-Y5V-+80%-20%-10V 470uF-16V-±20%-8×12 － 105 ℃ 0ohm-1206-±5%-1/4W 1000pF-0402-X7R-±10%-50V 470uF-16V-±20%-8×12 － 105 ℃ 1000pF-0402-X7R-±10%-50V 470uF-16V-±20%-8×12 － 105 ℃ 10Kohm-0402-±5%-1/16W 1Kohm-0402-±5%-1/16W CNA2 10Kohm-0402-±5%-1/16W YD1517P(F) 1Kohm-0402-±5%-1/16W PJ-339 100uF-16V-±20%-5×11-105 ℃ AMP-RIN/ R_IN ROUT R_OUT RA12 RA13 YD1517P LOUT L_OUT AMP-LIN/ L_IN RA14 RA15...
  • Page 17 M-SCL RT16 TUNER-SCL M-SDA RT17 TUNER-SDA TUNER-VCC EC0410-101K-R-L-F 100ohm-0402-±5%-1/16W 0.1uF-0402-Y5V-+80%-20%-16V 100ohm-0402-±5%-1/16W 5V-OFF 0.1uF-0402-Y5V-+80%-20%-16V 470uF-10V-±20%-6.3×11-105 ℃ - 黑底白字 TUNER-VCC TUNER-VCC C147 C148 TUNER-SCL C167 TUNER-SDA R113 VIFM C172 R163 R165 VIFP C259 IF-AGC 0.1uF-0402-Y5V-+80%-20%-16V NC/30pF-0402-NPO-±5%-50V 0.1uF-0402-Y5V-+80%-20%-16V C168 C195 NC/30pF-0402-NPO-±5%-50V 68ohm-0402-±5%-1/16W NC/30pF-0402-NPO-±5%-50V 68ohm-0402-±5%-1/16W NC/30pF-0402-NPO-±5%-50V 33ohm-0402-±5%-1/16W...
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  • Page 22 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A General This specification defines the performance characteristics of Class1, 12V, 4.0A Single output AC-DC adapter. intended for worldwide use in Information Technology Equipment. The power supply unit shall be convection cooled. Meet Safety requirements and EMC requirements.
  • Page 23 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A 1-11 Temperature rise: Input 100~240vac Output with 12VDC full load.should not exceed 40K On case surface @ ambient 25℃ 1-12 Transient Response :less than 10%@output change between 50% and 100% of full load slew rate is 0.5A/us ,frequency is 100Hz and 100kH. 1-13 Hold Up Time: 10mS(min) @ 100VAC/60Hz, ambient 25 Output full load.
  • Page 24 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A 4-6 . Drop test: Products shall be dropped from a height of 1 m onto a horizontal surface consists of hardwood at 13mm thick ,mounted on two layers of plywood each 19mm to 20mm thick ,all supported on a concrete or equivalent non-resilient floor .
  • Page 25 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A ITEM DATE PAGE REV. adapter 2009.06.18 6 of 15 第 25 页，共 45 页...
  • Page 26 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A DC CABLE AND CONNECTOR. ITEM DATE PAGE REV. adapter 2009.06.18 7 of 15 第 26 页，共 45 页...
  • Page 27 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A LABEL ITEM DATE PAGE REV. adapter 2009.06.18 8 of 15 第 27 页，共 45 页...
  • Page 28 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A T2A/250V PQ2620 Port ITEM DATE PAGE REV. adapter 2009.06.18 9 of 15 第 28 页，共 45 页...
  • Page 29 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A PCB LAYOUT (1:1) ITEM DATE PAGE REV. adapter 2009.06.18 10 of 15 第 29 页，共 45 页...
  • Page 30 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A MATERIAL LIST(BOM) ITEM Standard/ DESCRIPTION SUPPLIES approval LANSON ELECTRONICS CO.,LTD UL/E221465 FUSE ZHOUGSHAN LANBAO ELECTRICAL CO.,LTD UL/E213695 2A 250V Φ3.6X10 mm XIAMEN NINGLY ELECTRONICS CO.,LTD UL/E156471 Filter Coil UL/E256130 Shenzhen Meikai Electronic Co.,Ltd LCL-1003/UU10.5 15mH Filter Coil UL/E256130 Shenzhen Meikai Electronic Co.,Ltd 3.3uH/DR4*15...
  • Page 31 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A ITEM Standard/ DESCRIPTION SUPPLIES approval BRIDGE RECTIFIER TAIWAN SEMICONDUCTORS E135627 KBP206G/KBP205G(2A600V) BRIGHTEK ELECTRONICS CO.,LTD LED1 LED GREEN SHENZHEN JINHAOGUANG CO.,LTD Electrolytic Capacitor CAPXON ELECTRONIC(SHENZHEN) CO.,LTD F/400V KM μ Φ18×31mm 105℃ ±20% Electrolytic Capacitor CAPXON ELECTRONIC(SHENZHEN) CO.,LTD F/50V Φ5×11mm 105℃...
  • Page 32 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A ITEM Standard/ DESCRIPTION SUPPLIES approval R10.R SMD Resistor SHIMENG ELECTRONIC (SHENZHEN)CO.,LTD R12.R 100KΩ ±5% 1206 FENGHUA ADVANCED TECHNOLOGY CO.,LTD Metal Film Resistor SHIMENG ELECTRONIC (SHENZHEN)CO.,LTD 0.39Ω 1W ± 1% SMD Resistor SHIMENG ELECTRONIC (SHENZHEN)CO.,LTD 22Ω ±5% 1206 FENGHUA ADVANCED TECHNOLOGY CO.,LTD SMD Resistor SHIMENG ELECTRONIC (SHENZHEN)CO.,LTD...
  • Page 33 SPECIFICATION MODEL﹕PDN-48-48A STANDARD: 12V—4.0A PACKAGING ITEM DATE PAGE REV. adapter 2009.06.18 14 of 15 第 33 页，共 45 页...

  • Page 34: Power Board

    STV-19LED3 BOM LIST Part No qunty for unit Description BMS18VG-62B-- main board BXATB003----- Tuner BPC0021A----I power board with mylar BAD0007A----I IR Board Ass'y BAD0008A----I KEY Board Ass'y BFE0002-----I LED panel JBD451-V001-I IR/key board connecting cable JW4651-C003-I speaker connector JW6161-V002-I mainboard power cable...
  • Page 35 STV-19LED3 BOM LIST MA3X0223A---I Promo_stickers MF1X0006A---I Energy label 23120230M20SY acetate tape 200mm MA4X0061---AI Non Woven(10mm×0.3mm×450mm) 第 35 页，共 45 页...
  • Page 36 1、 、 、 、 Power Supply Trouble Check EE1 for 12V output ? F1 damage or check Check EC2 for 5V output the power supply Check UL1 for 3.3V, UL41 for LC1/47μH is damaged 2.5V, UL51 for1.8V output? or false welding It’s normal but the It’s normal but the Check the circuit of...
  • Page 37 2、 、 、 、 Display Trouble（ （ （ （ exceptional screen） ） ） ） Exceptional screen Check if the cable is correct and connected tightly Check if the LCD panel is OK Check if the output circuit from U6 to the jack to panel are normal Change the cable for panel Change or repair the damage...
  • Page 38 3、 、 、 、 Display Trouble （ （ （ （ white screen） ） ） ） White screen Check if the voltage of panel power supply is normal(depend on panel) Is there voltage on grid of IIs there output signal QM2 / WPM2341 can changed from U6 (12～0V or 5V~0) CN5 or CN6 is ill-connected...
  • Page 39 4、 、 、 、 Display Trouble（ （ （ （ black screen） ） ） ） Black screen Check if the voltage on CN3/BLON is 5V Check if the power supply for inverter is normal Check the control circuit from BLON to U6 or U6 is damaged Repair the power supply The inverter is damaged 第...
  • Page 40 5、 、 、 、 Audio Trouble（ （ （ （ No sound) No Sound Check if there is audio signal input Check the set of volume, Mute is normal Check signal output on pin NO. 4 & 6 of UA1 is normal Check power supply (>11V)on pin no.
  • Page 41 6、 、 、 、 Function Trouble（ （ （ （ TV video） ） ） ） TV can’t search any channel/no picture Confirm if the RF cable do have signal Check if T2-pin8 for 5V Check if T2-pin6,7 has data for I Check if T2-pin9&10have data Check if T2-pin2 for variational voltage within 1.8V~4.3V...
  • Page 42 7、 、 、 、 Function Trouble（ （ （ （ PC） ） ） ） PC mode Picture is not Missing color, Picture No signal in center deflection color dithering Check if the R.G.B Check if the signal of input signal of U6 is normal V-sync,H-sync is OK Do “reset”...
  • Page 43 8、 、 、 、 Function Trouble（ （ （ （ SCART、 、 、 、 HDMI、 、 、 、 YPbPr、 、 、 、 TV） ） ） ） SCART RGB .SCART Video. HDMI,CVBS HDMI CVBS does not Missing color, does not has the signal deflection color has the signal Check if R.G.B input...
  • Page 44 STV‐19LED3 Line Doagram    第 44 页，共 45 页...

  • Page 45: Software Update

    SOFTWARE UPDATE:  Copy the BIN file to USB, then Insert the USB to main board, Press  [MENU]  key  and    then press  “ 〈  ”  /  “〉  ”  keys to select  OPTION menu,  Press  “OK”  key  to enter OPTION menu. press  “▼”   select software Update(USB),Then press  “OK”  &” ＜”    key to update the  software.          Please care not power off, when  software   updating.   第 45 页，共 45 页...