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Insignia NS-LTDVD19 Service Manual
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Insignia NS-LTDVD19 Service Manual

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Summary of Contents for Insignia NS-LTDVD19

  • Page 1 All manuals and user guides at all-guides.com NS-LTDVD19...
  • Page 2 All manuals and user guides at all-guides.com 1. Features 2. Safety Precautions 3. Images of Module and Circuit Boards 4. Key IC Description& Trouble Shooting Guide 5.Signal Flowing Chart 6. Bus Control Adjustment 7. Circuit Diagram...
  • Page 3 All manuals and user guides at all-guides.com Features Model Functions NS-LTDVD19 SAMSUNG Screen size 19inch Aspect ratio 16:310 Resolution 1440×900 Brightness 300cd/m Contrast(Darkroom) 1000:1 Response time(ms) Color system NTSC NO. of preset channels Picture mode Angel of view H:160 / V:160 °...
  • Page 4 All manuals and user guides at all-guides.com Model Functions NS-LTDVD19 D-SUB jack DVI socket SCART socket Ear-Phone Out CCD,V-CHIP Semitransparent menu ZOOM 16:9 mode Child Lock Quick View NO. of built-in speakers Audio output power(Built-in)(W) 2*1.5 Total power input（W） Voltage range（V）...
  • Page 5 All manuals and user guides at all-guides.com Ｓａｆｅｔｙ　Ｐｒｅｃａｕｔｉｏｎｓ Warning High voltages are used in the operation of this product. Do not romove the cabinet back from your set. Refer servicing to qualified service personnel. Warning To prevent fire or electrical shock hazard, Do not expose the main unit to rain or moisture.
  • Page 6 All manuals and user guides at all-guides.com Caution Never stand on, lean on, push suddenly the product or its stand. You should pay special attention to children to children. Caution Do not place the main unit on an unstable cart stand, shelf or table.

  • Page 7: Images Of Module And Circuit Boards

    All manuals and user guides at all-guides.com Images of Module and Circuit Boards 1.images of Remote Board Subassembly 2.images of Control Panel Subassembly 3.images of Main Board 4.images of Power Supply...
  • Page 8 All manuals and user guides at all-guides.com SupraHD-760-DTS-GEN-v1.0-Preliminary Release Chapter 1. SupraHD-760 Overview 1.1 SupraHD Family The ZR396xx family consists of: • SupraHD-680 IC (ZR39680) - Digital TVs for the ATSC/DVB/OpenCable Market • SupraHD-660 IC (ZR39660) - Digital TVs for the ATSC Market •...
  • Page 9 All manuals and user guides at all-guides.com SupraHD-760-DTS-GEN-v1.0-Preliminary Release Figure 2 shows a typical system implementation using the SupraHD-760. This system can be designed and manufactured in a very low-cost manner. 1pc 16MBx16 256Mb DDR Memory Rear Chassis CLKIN ZR39760 Connections ATSC/ NTSC...
  • Page 10 All manuals and user guides at all-guides.com SupraHD-760-DTS-GEN-v1.0-Preliminary Release Embedded BVCI Processing Unit (EPC) SADR[13:0], SBS[1:0]_n MIPS 4Kec SDQM[3:0] I Cache Memory SRAS_n, SCAS_n, SW E_n Interface Unit (MIF) D Cache SCLK, SCLK_n, SCKE SDQS[3:0], SDATA[15:0] TDO, TDI EJTAG TCK, TMS Ctlr.
  • Page 11 All manuals and user guides at all-guides.com SupraHD-760-DTS-GEN-v1.0-Preliminary Release 1.3 I/O Options Figure 4 shows the four major I/O options available: • video input and output • audio input and output Audio Processing Unit (APU) Transport Processing Unit (TRP) Audio Xport I/F DACs Xport Demux...

  • Page 12: Troubleshooting Guide

    All manuals and user guides at all-guides.com Trouble shooting Guide 1.Power Supply Trouble Check F1 for 12V Check F1 and CN10 Check E33(470μF/25V)for 5v Check F1 for shortcut Check power output for LDO Turn on or not Check the power Check Pin3 U13 Turn on Change LDO...
  • Page 13 All manuals and user guides at all-guides.com 2.Display Trouble 2.1 Black Black Screen Check 5V for BLON on CN10 Tunn on or not 12V inverter input ? Turn on Check the power supply Check the inverter Check U25/SM5964 43th PIN or self-proofed Check the cirture for Check Mcu...
  • Page 14 All manuals and user guides at all-guides.com 2.2 White White Screen Check power supply (for panel) Check Q24 0~3.3V（5V or 12V） ，according to the volitage） Check signal output of U5/RTD2023B Check U5 Check voltage of Q24 Check voltage between Check LCD or 1,Power supply Panel Connector U25/SM5964 3thQ24 or...
  • Page 15 All manuals and user guides at all-guides.com 2.3 Exceptional screen Exceptional screen Check voltage for the panel Select the right panel voltage Check the panel Change the panel connector connector Change LCD Check LCD Check the output net，the Change/mend the part connector circuit Check U5 For...
  • Page 16 All manuals and user guides at all-guides.com 3.Audio Trouble 3.1 No Audio No Audio Check audio signal input Check the set of volume, mute Check signal from C11 U3/TPA1517NE PIN7 11.2V? Check power U3 8th Check U3 PIN1 and PIN9 for signal input Check U3 PIN4 and PIN6 for Chekc U21PIN60,61for signal output signal output...
  • Page 17 All manuals and user guides at all-guides.com 3.2 TV No Audio TV no audio, having picture Check audio and PC AV Check signal ouput of SAW2/M9370M30 PIN1 Check the net between SAW2 1. check SAW2 Turn to NO AUDIO Pin1and C133/0.01μF 2.
  • Page 18 All manuals and user guides at all-guides.com 3.3 TV Audio Unormal Noise and NICAM can’t be detected Check the audio system Select the right audio Picture is normal? Check C113/0.01UF、D26、 R140/0 or change SAW2 Search again...
  • Page 19 All manuals and user guides at all-guides.com 4.Function Trouble 4.1 TV TV can not search/No picture Check RF signal input Check voltage T1/TDQ-6H3PIN6 for 5V Check voltage T1 PIN3 for 0V Check voltage T1 PIN9 for 33V Check I C signal T1 PIN4,5 Check signal T1 PIN11 Check voltage T1 PIN1 >V Examine...
  • Page 20 All manuals and user guides at all-guides.com 4.2 PC Picture not in center No signal Missing color Picture dithering Check U5 RGB input Check VS,HS signal Reset Check Check OSD setting Check R,G,B Auto adjust Check VS.HS Reset circuit VS.HS...
  • Page 21 All manuals and user guides at all-guides.com UTC78L05L +5VSB AZ1117H-ADJ(TR)E1 VCC2_6 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V R128 + E4 0.1uF-0603-Y5V-+80%-20%-50V 470uF-25V-±20%-10*13 － 105 ℃ 10uF-0805-Y5V-+80%-20%-10V +12V 0.01uF-0603-X7R-±10%-50V 0.01uF-0603-X7R-±10%-50V 0.1uF-0603-Y5V-+80%-20%-50V R141 CN22 +5VSB +12VEXT 68ohm-0603-±5%-1/10W 75ohm-0603-±5%-1/10W TC5026U-470K-BK/NA BLON 3G3A-250V + E3 0.1uF-0603-Y5V-+80%-20%-50V 100uF-16V-±20%-6*7 － 105 ℃ DC_PW` 7PIN-2.54-D-H 30K9ohm-0603-±1%-1/10W...
  • Page 22 All manuals and user guides at all-guides.com 33ohm-0603-±5%-1/10W 33ohm-0603-±5%-1/10W R219 DDRCK R229 DDRCKN RP16 RP17 DDRCASN DDRDQ9 4*33ohm-0402-±5%-1/16W DDRBS0 DDRDQ10 4*33ohm-0402-±5%-1/16W DDRCKE DDRDQ11 DDRDQ12 33ohm-0603-±5%-1/10W RP10 R231 DDRWEN DDRA8 DDRRASN 4*33ohm-0402-±5%-1/16W DDRA0 DDRA4 4*33ohm-0402-±5%-1/16W DDRBS1 DDRA11 DDRA2 DDRA6 RP14 DDRA3 DDRA9 4*33ohm-0402-±5%-1/16W DDRA1...
  • Page 23 All manuals and user guides at all-guides.com Test Pins VCC3_3 R164 RSVD[0] 4K7ohm-0603-±5%-1/10W RSVD[1] 4K7ohm-0603-±5%-1/10W RSVD[2] R165 VCC3_3 RSVD[3] NC_B7 4PIN-2.0-D-H-G( 蓝色） RSVD[4] NC_C11 SPI_CS_n RSVD[5] NC_C12 System I/O NC/4K7ohm-0603-±5%-1/10W RSVD[6] NC_C16 SPI_WEN GPIO0/SPI_CLK R322 RSVD[7] NC_B18 33ohm-0603-±5%-1/10W GPIO2/SPI_WR NC_C18 R158 33ohm-0603-±5%-1/10W RSVD[9]...
  • Page 24 All manuals and user guides at all-guides.com HDMI In HDMI_D0+ HDMI_D0_P HDMI_D0- HDMI_D0_N HDMI_D1+ HDMI_D1_P HDMI_D1- HDMI_D1_N HDMI_D2+ HDMI_D2_P HDMI_D2- HDMI_D2_N HDMI_CLK+ HDMI_CLK_P HDMI_CLK- HDMI_CLK_N HDMI1_DDC_SCL NC/0ohm-0603-±5%-1/10W HDMI_SCL HDMI1_DDC_SDA HDMI_SDA 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V HDMI_CEC HDMI_HPD C172 HDMI_HPD 4K7ohm-0603-±5%-1/10W HDMI_VDD HDMI_REXT 4K7ohm-0603-±5%-1/10W CBL1_5V 390ohm-0603-±5%-1/10W HDMI_ATEST...
  • Page 25 All manuals and user guides at all-guides.com IF_5V C240 IF_5V TU_5V R251 0.1uF-0603-Y5V-+80%-20%-50V NC/22K NC/47uF-16V-±20%-4*7-105 ℃ SIF' NC/PMBT3904 R329 Analog IF AGC R261 NC/100Kohm-0603-±5%-1/10W VIDEO_OUT R217 NC/0ohm-0603-±5%-1/10W TU_CVBS NC#1 NC/10Kohm-0603-±5%-1/10W R144 TU_SDA' NC/10Kohm-0603-±5%-1/10W TU_SCK' R262 IF_AGC NC/470ohm-0603-±5%-1/10W AGC_INT DIF2 IF_OUT2 DIF1 IF_OUT1 NC/TDQU4-507A...
  • Page 26 All manuals and user guides at all-guides.com DVD_OP_12V GZ3216D121T(F) DVD+5V DVD_CON DVD_CON" 33ohm-0603-±5%-1/10W 5PIN-2.0-D-H-G R110 NC/0ohm-1206-±5%-1/4W 0.1uF-0603-Y5V-+80%-20%-50V R312 DVD+5V AO3401 4K7ohm-0603-±5%-1/10W 100Kohm-0603-±5%-1/10W 0.01uF-0603-X7R-±10%-50V DVD_STB 100uF-16V-±20%-6*7 － 105 ℃ 10Kohm-0603-±5%-1/10W 0.1uF-0603-Y5V-+80%-20%-50V PMBT3904 NC/LL4148-LL-34 DVD-Y 75ohm-0603-±5%-1/10W R114 DVD-C 75ohm-0603-±5%-1/10W DVD_DAT DVD_IR' IR_IN R156 DVD_IR 7PIN-2.0-D-H-G...
  • Page 27 All manuals and user guides at all-guides.com 5V_AUDBIAS R226 R235 1uF-0603-Y5V-+80%-20%-10V 100Kohm-0603-±5%-1/10W 100Kohm-0603-±5%-1/10W TV_LIN TV_LIN+ TV_RIN TV_RIN+ R137 C102 1uF-0603-Y5V-+80%-20%-10V C126 R135 100Kohm-0603-±5%-1/10W VGA_RIN R230 R236 100Kohm-0603-±5%-1/10W 1uF-0603-Y5V-+80%-20%-10V R136 VGA_LIN R221 1uF-0603-Y5V-+80%-20%-10V 5V_AUDBIAS 100ohm-0603-±5%-1/10W CKX3-3.5-11-G C127 220uF-16V-±20%-6*7 － 105 ℃ R138 0.1uF-0603-Y5V-+80%-20%-50V 5V_AUDBIAS...
  • Page 28 All manuals and user guides at all-guides.com VCC3_3 Audio I/O R133 +5V_AUDIO ADATAI[0] 4.7ohm-0603-±5%-1/10W ADATAI[1] RP19 ADATAI[2] 4*4K7ohm-0402-±5%-1/16W 470ohm-0603-±5%-1/10W 47uF-16V-±20%-4*7 － 105 ℃ C81 1uF-0603-Y5V-+80%-20%-10V 470ohm-0603-±5%-1/10W ACLK C85 1uF-0603-Y5V-+80%-20%-10V BCLK R129 TV_RIN LRCLK SDIN AOUTR DEM/SCLK C89 1uF-0603-Y5V-+80%-20%-10V LRCLK_0 LRCK R130 TV_LIN BCLK_0...
  • Page 29 All manuals and user guides at all-guides.com 33ohm-0603-±5%-1/10W Analog Video Inputs C269 0.1uF-0603-Y5V-+80%-20%-50V 47uF-25V-±20%-5*7 － 105 ℃ C158 SVIDEO_Y VFE_YIN VFE_YIN VFE_YIN PMBT3906 47ohm-0603-±5%-1/10W 0ohm-0603-±5%-1/10W 0.22uF-0603-Y5V-+80%-20%-16V VFE_IBEXT VFE_IBEXT C145 NC/330pF-0603-NPO-±5%-50V AV/TV_IN R198 330pF-0603-NPO-±5%-50V C153 C154 C162 270pF-0603-X7R-±10%-50V PMBT3904 47pF-0603-NPO-±5%-50V 0ohm-0603-±5%-1/10W R203 R204 CVBSO...
  • Page 30 All manuals and user guides at all-guides.com 4*33ohm-0402-±5%-1/16W C107 0.047uF-0603-X7R-±10%-25V 4*33ohm-0402-±5%-1/16W RED_Pr 4*33ohm-0402-±5%-1/16W 4*33ohm-0402-±5%-1/16W 4*33ohm-0402-±5%-1/16W NC/10pF-0603-NPO-±5%-50V 4*33ohm-0402-±5%-1/16W PIXOUT[0:23] Pix/LVDS Bus PIXOUT16 RED0 C108 PIXOUT17 RED1 0.047uF-0603-X7R-±10%-25V GREEN_Y PIXOUT18 PIXOUT0 RED2 PIX[0] PIXOUT19 PIXOUT1 RED3 PIX[1] 2K7ohm-0603-±5%-1/10W PIXOUT20 PIXOUT2 NC/10pF-0603-NPO-±5%-50V RED4 PIX[2] RXE0+ PIXOUT21...
  • Page 31 All manuals and user guides at all-guides.com GPIO26 P1 GPIO42 D3 VGA-5V V_SW_INT RGB_YPBPR_SEL AV/TV_IN 100Kohm-0603-±5%-1/10W VGA-5V CVBS2_IN PY_IN PY_IN` R121 VGA-5V 100Kohm-0603-±5%-1/10W C124 C273 33ohm-0603-±5%-1/10W C119 100pF-0603-NPO-±5%-50V PY2_IN PY2_IN` YPrPb1 100uF-16V-±20%-6*7 － 105 ℃ 33Kohm-0603-±5%-1/10W YRPB2 R286 C256 75ohm-0603-±5%-1/10W 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V 22uF-25V-±20%-4*7 －...
  • Page 32 All manuals and user guides at all-guides.com VCC3_3 +5VSB RP21 C212 C215 ZR39760 C210 C213 C214 Power & GND 4*4K7ohm-0402-±5%-1/16W VCC1_8 VDD_1V8[1] GND[1] +5VSB VDD_1V8[2] GND[2] 1uF-0603-Y5V-+80%-20%-10V 1uF-0603-Y5V-+80%-20%-10V VDD_1V8[3] GND[3] 0.1uF-0603-Y5V-+80%-20%-50V VCC1_8 1uF-0603-Y5V-+80%-20%-10V 1uF-0603-Y5V-+80%-20%-10V 1uF-0603-Y5V-+80%-20%-10V VDD_1V8[4] GND[4] VDD_1V8[5] GND[5] + E60 +5VSB C184 VDD_1V8[6]...
  • Page 33 All manuals and user guides at all-guides.com...
  • Page 34 All manuals and user guides at all-guides.com Sincere forever...