Insignia NS-LCD40HD-09 Service Manual
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Insignia NS-LCD40HD-09 Service Manual

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NS-LCD40HD-09
(Chassis:ZORAN780)
V
T
1
TV-8888-121

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Summary of Contents for Insignia NS-LCD40HD-09

  • Page 1 NS-LCD40HD-09 (Chassis:ZORAN780) TV-8888-121...

  • Page 2: Table Of Contents

    WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered b electricity should be serviced or repaired only by experienced professional technicians.
  • Page 3 1. Warning...

  • Page 4: Important Safety Instructions

    Pay particular attention to cords at plugs, convenience receptacles, and the point where they exit from your TV. Attachments Use only attachments recommended by Insignia. Stand Do not place your TV on an unstable cart, stand, tripod,bracket, or table. Your TV may fall,causing serious personal injury and serious damage to your TV.
  • Page 5 unused for long periods of time, unplug it from the power outlet and disconnect the antenna or cable system. This helps prevent damage to your TV from lightning and power line surges. Servicing Do not attempt to service your TV yourself because opening or removing covers may expose you to angerous voltage or other hazards.

  • Page 6: Specifications

    2. Specification Model NS-LCD40HD-09 Screen size 40inch Aspect ratio 16:9 Resolution 1920x1080 Response Time ms) 8(GRAY TO GRAY) Angel of view Color display 16777216 NO.of preset channels OSD language English Color system NTSC/ATSC Audio system Audio output power(Built-in)(W) 15W×2 Audio output power(outer)(W)

  • Page 7: Location Of Controls And Components

    3. LOCATION OF CONTROLS AND COMPONENTS 3.1.Board Location Parts number Description TV-5210-291 Power Board A Board TV-5210-296 B Board Main Board 3.2. Main Board 3.2.1 Function Description:...
  • Page 8 Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. Signal flowing chart 3.2.2 Connector definition...
  • Page 9 Power connector(CN26) Pin number Signal name Description ON/OFF Control the power of system Ground 5VSB Power of TV standby Ground Ground Power of system Power of system IR connector (CN2) Pin number Signal name Description Supply the Power of bright and IR receiver Receive IR signal Show green when TV standby Show blue when TV working...

  • Page 10: Power Board

    Pin number Signal name Description Ground Control Power,CH+,CH- Control Menu,V+,V-,INPUT Backlight control connector(CN22) Pin number Signal name Description BKANJ Control the backlight of pannel BKEN The system turn on or turn off the backlight of TFT LCD Panel through the power supply unit path. Not use LVDS Signal connector(CN23) Pin number...

  • Page 11: Lcd Panel

    Supply power for Main board,Panel and DC/DC power board 3.3.2 Connector definition CONNECTOR (CON2) CON2 Signal name CONNECTOR (CON6) CON6 Signal name 16.5V CONNECTOR (CON4) CON4 Signal name ON/OFF 5VSB 3.4 LCD PANEL.

  • Page 12: Function Description

    3.4.1 Function Description: Display the signal. 3.4.2 Connector definition Pin No Symbol Description Note Power DC 12V Power DC 12V Power DC 12V Power DC 12V Power DC 12V RO[0]N ODD LVDS SINGAL- RO[0]P ODD LVDS SINGAL+ RO[1]N ODD LVDS SINGAL- RO[1]P ODD LVDS SINGAL+ RO[2]N...

  • Page 13: Installation Instructions

    RE[0]N EVEN LVDS SINGAL+ RE[1]P EVEN LVDS SINGAL- RE[1]N EVEN LVDS SINGAL+ RE[2]P EVEN LVDS SINGAL- RE[2]N EVEN LVDS SINGAL+ CN1(Header):S14B-PH-SM4-TB(D)(LF)(JST) or equivalent. Pin No. Symbol Description +24V Power input Ground BLON BL ON/OFF Internal PWM Control 4. INSTALLATION INSTRUCTIONS 4.1 External Equipment Connections Accessories Remote Control...
  • Page 14 outdoor antenna . location and antenna positioning Antenna cables come in two types: 75 ohm and 300 ohm. • If your antenna cable has a 75 ohm connector, connect the cable to the coaxial jack on the back of your TV. •...

  • Page 18: Hdmi Connections

    4.2 HDMI CINNECTIONS When the source device(DVD player or Set Top Box) supports HDMI...
  • Page 19 Cable sample HDMI Cable (not supplied with the product) HDMI to DVI Cable ( not supplied with the product) Analog Audio Cable (Stereo to RCA type) (not supplied with the product) AC Outlet Wider Hole O USE AC POWER SOURCE and Blade To connect your TV to a power outlet: •...

  • Page 20: Operation Instructions

    5. OPERATION INSTRUCTIONS 5.1 Front panel controls 5.2 Back panel controls...

  • Page 21: Setting Up Your Remote Control

    5.3 Setting Up Your Remote Control Using the remote control To use the remote control: • Point the remote control towards the remote sensor on the front of your TV. Notes • Do not expose the remote control to shock or liquids. •...

  • Page 22: Disassembly Instructions

    6. DISASSEMBLY INSTRUCTIONS 1. Remove the Back Cover Remove the twelve screws indicated on figure above by Then remove the back cover from the unit. 2. Remove the Pedestal Lay down the unit so that rear cover faces upward Remove the four screw from the rear cover indicated with Then remove the pedestal.

  • Page 23: Whole Machine

    3.Remove the power module Remove the speaker Remove the four screws, take out the speaker Remove the four screws indicated on the figure above by Then remove the power module 4. Remove the Main board Remove the remote control board Remove the two screws, take out the remote control board Remove the four screws indicated on the...
  • Page 24 The whole machine includes Packaging subassembly Front-frame subassembly Back-cover subassembly Screen bracket subassembly Base subassembly LCD panel Power assembly PSU Wire subassembly. Components List Name Description Parts number Accessory Packaging TV Set TV-0250-47 Base subassembly TV-1300-155 Back cover subassembly Screen bracket module 3.3.1 Screen bracket assembly TV-5210-296...

  • Page 25: Base Subassembly

    6.2 Base subassembly Name Description Parts number Base subassembly TV-0250-47 Base assembly Base cover Iron soleplate Base support Board Rubber PAD Bolt Bolt 6.3 Back cover subassembly...

  • Page 26: Screen Bracket Subassembly

    Name Description Parts number TV-1300-155 Back cover subassembly Back cover assembly Back cover Side av label Back jack label Screw 6.4 Screen bracket subassembly Components List Parts number Name Description Screen bracket subassembly Screen bracket assembly Screen bracket Metallic Jack Board 6.5 Front-frame subassembly...

  • Page 27: Wire Subassembly

    Components List Name Description Parts number Front frame module Front frame assembly TV-1300-156 Front frame Speaker Cover Decorate ring Power hole stopper Key board trestle Screw SJ2824-87 ST3X12F Screw SJ2824-87 ST3×10F 6.6 Wire subassembly---- Connection Sketch Interpretat 6.6.1. Wire Photo 6.6.2 Components List Name Description...

  • Page 28: Measurements And Adjustments

    7. MEASUREMENTS AND ADJUSTMENTS The way to the factory mode menu: 1st, adjust the volume to zero in the TV state, 2en, input 9876, , press “ok” Finished these operations , system will be into the factory mode menu. 1. Factory menu 2.
  • Page 29 3) Auto Color 4) Recall PQ settings 5) SW:L_2780_SS40 071227...
  • Page 30 6) Aging Mode...

  • Page 31: Block Diagram And Circuit Diagram

    8. BLOCK DIAGRAM AND CIRCUIT DIAGRAM 8.1 BLOCK DIAGRAM 8.2 CIRCUIT DIAGRA...
  • Page 32 3.3VSB_MCU UA14 FB29 150_Ohm_2A R996 22R_DNS MCU_I2C2CLK R997 22R_DNS R995 MCU_I2C2DATA VBAT C710 IRQ/FOUT 10UF/16V C711 ISL1208_DNS 0.1uF 32.768KHz_DNS Title <Title> Size Document Number <Doc> <RevCode> Date: Friday, January 18, 2008 Sheet...
  • Page 33 SiI9185 3:1 HDMI Switch DVDD18 AVCC33 C620 C621 C622 C632 C633 C634 C635 C636 C637 100NF 100NF 100NF 100NF 100NF 100NF PCB LAYOUT: Place all decoupling SMD-R0603 SMD-R0603 SMD-R0603 SMD-R0603 SMD-R0603 SMD-R0603 10uF/16V 10uF/16V 10uF/16V capacitors as close to the chip as P I N 2 3 P I N 4 3 P I N 5 5...
  • Page 34 S0_DQ[15..0] Note: The DDR II layout will also accomodate 1M bit devices, expanding the memory S0 Memory I/F footprint from 128M byte to 256M byte. U33A S0_DQ15 DDR II S0_DQ15 S0_A13 S0_DQ14 S0_A12 S0_DQ15 * Note: S0_DQ14 S0_A12 DQ15 S0_DQ13 S0_A11 S0_DQ14 780 MATRIX ATSC Platform 　...
  • Page 35 VCC3_3 I2C0CLK VCC3_3 D139 I2C0DATA VCC3_3 SIO I/F EJTAG I/F TRSTN TRST VCC3_3 ESD-0603_DNS CON29 TRSTN I2C1CLK 4K7_DNS EJTCK EJTDI I2C1DATA 4K7_DNS EJTDO TAPSEL EJTMS EJTCK TAPSEL_CAS RESETN VCC3_3 INFRARED_760 13 VCC3_3 TSW-107-07-D/*NC 68pF I2C2CLK I2C2DATA 4.7K_DNS UART0_TX UART0TX 8,13 Note: UART0_RX UART0RX...
  • Page 36 CON30 RUN AS 100 OHM DIFFERENTIAL PAIRS R0X2+ R0X2+ TMDSD2+ DSHLD0 R0X2- TMDSD2- R0X2- R0X1+ R0X1+ TMDSD1+ DSHLD1 R0X1- R0X1- TMDSD1- R0X0+ R0X0+ TMDSD0+ DSHLD2 R0X0- R0X0- TMDSD0- R0XC+ TMDSC+ R0XC+ CSHLD0 R0XC- R0XC- TMDSC- CEC_A CEC_A DSCL_0 DSCL_0 22 DSDA_0 DSDA_0 22 DDC_GND...
  • Page 37 ALPS TUNER 5V :MAX 225MA VCC5_0_T2 VCC5_TUNER_IN VCC5_0_T1 150_Ohm_600mA Analog IF AGC TU_CVBS VIDEO_OUT NC#1 VCC5_0_T2 0.1uF TU_SDA_ph/th R967 4.7K_DNS TU_SCK_ph/th IF_AGC_IN AGC_INT IF_P_OUT VCC5_0_T2 SIF_IN_N IF_OUT2 IF_N_OUT IF_OUT1 C570 0.1uF_16v R593 0.01uF Demodulator 47pF_16v TDQU4 C568 0.1uF MMBT3904 SIF_OUT C567 R591 0.1uF_16v...
  • Page 38 RCA接口的开关为常通的。高电平时，有端子插入；低电平时，无端子插入 0.47uF C554 VCC5_0 R476 22K CON44 R481 C556 SVIDEO_AUD_R R479 1800pF VCC8_0 R414 R415 C555 0.47uF SVIDEO_AUD_L R478 22K R482 C557 100K_DNS 100K_DNS R480 1800pF 150_Ohm_600mA RCA_LR AUDIO_MUX_R 9 VCC3_3 2-COM Audio_SEL0 Audio_SEL1 R432 0.1uF CON35 10uF 100K CVBS_IN_1 AV1_DET AUDIO_MUX_L 9 1-COM...
  • Page 39 VCC3_3 CNE6 SD Video In SVIDEO_DET1 R464 S_C1_IN S_Y1_IN 100K 0.1uF SVIDEO_DET SVIDEO0Y C_IN C_OUT EJTAG6 (6pin/2.0mm)_DNS R131 47pF 330pF_DNS 330pF CON10 DIN4 0.1uF SVIDEO0C Y_IN Y_OUT R132 47pF S-Video 330pF_DNS 330pF 0.1uF CVBS0 CVBS_IN_1 R133 47pF VCC3_3 330pF_DNS 330pF R700 100K C592...
  • Page 40 PC_UART0RX Close to U1 PC_UART0TX HD Video In PR2_OUT 0.22uF C110 VIN_R1 VIN_G1 Y2_OUT 0.22uF C111 VIN_B1 CON11 SOGIN0 DB15ds PC_R_IN C112 PB2_OUT 0.22uF C113 R138 20K_DNS SOYIN0 VCC5_0 VGA_VCC5_0 R980 1000pF C114 PR1_OUT C115 0.22uF VGA_R0 Y1_OUT VGA_SDA PC_G_IN C116 C117 0.22uF...
  • Page 41 SPDIF_OUT IEC958_O RESETN_AUD_HDMI 16 R192 4.7K VCC3_AUD RESET R974 100_DNS I2C2DATA C134 VCC3_AUD 10nF R975 100_DNS I2C2CLK 150_Ohm_600mA VCC1_8_AUD C135 R193 C136 27pF I2C0DATA 10uF R194 VCC1_8_AUD R195 270K I2C0CLK 27 MHz C138 VCC1_8_AUD 100nF C137 27pF VCC1_8_AUD VCC1_8_AUD C139 C140 C141 150_Ohm_600mA...
  • Page 42 CND2 LVDS_D0O_N LVDS_D0O_P LVDS VCC5_0 LVDS_D1O_N LVDS_D1O_P LVDS_CE_P LVDS_D2O_N LVDS_D2O_P AF26 LVDS_CE_P LVDS_CE_N LVDS_CO_P AE26 LVDS_CE_N C617 1u LVDS_CO_N R756 LVDS_CO_P LVDS_D3O_N LVDS_D3O_P AE21 LVDS_CO_P LVDS_CO_N LVDS_D4O_N LVDS_D4O_P AF21 LVDS_CO_N CON48 R762 3906 LVDS_D0E_P AD25 LVDS_D0E_P R761 LVDS_D0E_N AD26 LVDS_D0E_N Video GND LVDS_D1E_P AE25...
  • Page 43 AFE & GPIO Guest Bus AC20 GADR0 GADR1 AA20 GADR2 GPIO0 AC21 AC11 GADR3 AFE_DIN0 GPIO_P0 GPIO0 GPIO1 AB11 GADR4 AFE_DIN1 GPIO_P1 GPIO1 GPIO2 AA11 GADR5 AFE_DIN2 GPIO_P2 GPIO3 AA10 AFE_DIN3 GPIO_P3 R410 AUD_SEL0 AFE_DIN4 GPIO_P4 R402 AUD_SEL1 AFE_DIN5 GPIO_P5 R409 Reserved SVIDEO_DET 7...
  • Page 44 Transport I/F AB14 TPDATA7 AD14 TPDATA6 AB13 TPDATA5 LI0603G121R AC13 TPDATA4 AD13 VCC3_3 TPDATA3 AD12 TPDATA2 AC12 TPDATA1 XCLK AFE_XCLK_TEST C230 C229 C273 AB12 TPDATA0 AFE_ATCLK0 AVDD_SYNC1 0.1uF 1.0uF 0.1uF AC14 TPVALID AFE_ATCLK1 AC15 TPFRAME AFE_CLK AVDD3_HPLL AB15 TPCLK AFE_TCLK_IN AVDD3_SYNC R400 DVD_STB...
  • Page 45 Reset Circuit VCC3_3 VCC3_3 R297 RESET RESETN 3,16 AP1701_DNS C247 0.1uF Reset CNE3 Switch VCC5_0 IR_DVD 3.3VSB SPDIF OUT button_4pin_DNS EJTAG2 (2pin/2.0mm) R298 C248 R299 C249 VCC3_3 0.1uF 0.1uF 4.7K 4.7K_DNS R990 0R IR_DVD IR_MCU INFRARED_MCU R302 R303 4.7K H2 GEN315R140-8 H1 GEN315R140-8 4.7K MMBT3906...
  • Page 46 1.8V Bypass Caps 3.3V Bypass Caps VCC3_3 VCC1_8 Power C260 C253 C254 C255 C256 C257 C258 C259 C654 C655 C656 C657 C658 C659 C660 C661 VCC1_0 VCC3_3 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 1.0uF CORE_VDD0 IOVDD0 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
  • Page 47 Bulk Bypass Caps VCC1_8 Ground C669 C668 C667 C666 C665 C664 C663 C662 C342 1.0uF 1.0uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 33uF 33uF VCC1_0 VCC1_8 VCC3_3 C327 GND48 GND49 C705 1000uF GND47 GND50 1.0uF GND46 GND51 C687 C688 C689 C690 C691 C692 C694...
  • Page 48 5VSB UR133L-3.3V-C 10uH 3.3VSB_MCU Vout VCC5_0 C708 C709 C511 10UF/16V 0.1uF 10UF/16V R318 3.8V R320 3.3VSB 3.3VSB_MCU R334 AMP_SD DAC0/P2.0 P2.7 R489 R335 R333 R970 LCD_ON PWR_SW_DVD 17 P2.1 P2.6 R329 ADU_PWR_CTRL KBI0/CMP2/P0.0 P0.1/CIN2B/KBI1/AD10 4.7K 4.7K R332 R602 LCD_PWR_SW P1.7 P0.2/CIN2A/KBI2/AD11 AUD_AMP_MUTE_MCU I2C_SEL/INT...
  • Page 49 Vout=0.8*(1+R753/R754); R751 100k AP1513_DNS R754=0.7K~5K C611 Option OCSET Output VCC1_8 VCC12_0 R752 3.9k L43 33uH/2A_DNS Output L5-9 C613 C614 C612 R753 0.1uF Option 0.1uF C615 D134 Option 1.27K_1% 1N5822_DNS R488 1.5/2W_15mm_DNS VCC12_0 R754 C616 1.02K_1% 0.1uF CNA1 C392 C393 R487 100uF/16V 0.1uF 5VSB...
  • Page 50 VCC6_5 VCC3_3 AP1084E33 FB12 150_Ohm_2A VCC6_5 VCC5_0 VCC6_5 VCC5_TUNER R386 0 R387 0_DNS C448 C449 C450 3.3VSB VCC3_AUD 22uF/16V 100uF/16V 0.1uF AO3401 VCC6_5 VCC1_8 AP1084E18 R483 1.8VSB VCC1_8_AUD VCC1_8_AVDD C459 C460 C461 C462 3.3VSB 220_1% 5VSB 0.1uF 470uF/16V 0.1uF AO3401 FB28 470uF/16V AP1117E33...
  • Page 51 VCC1_8 Bypass Caps U33B VCC1_8 DDR II VDDL VSSDL C479 C480 C481 C482 C483 C484 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VCC1_8 VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ VDDQ VSSQ C485 C486 C487...
  • Page 52 GPIO Pin Table Signal ZR39760 GPIO # Function Note FP_CH- Tuner control Active low Setting Boot Options FP_CH+ Tuner control Active low 0000 Boot from SPI flash, fall back to UART0 FP_VOL- VOL control Active low 0001 Boot from UART0 FP_VOL+ VOL contol Active low...

  • Page 54: Troubleshooting Guide

    10. TROUBLE SHOOTING GUIDE 10.1. Simple check 10.1.1 LCD is not bright 10.1.2 No picture...
  • Page 55 First, check cables which connect with PSU then check as follows 1) Check input voltage voltage: +5VSB POWER ON(5V) +12V 5V connector: CN4(P1) CN4(P13) CN5(P1,P2,P3) CN4(P2,P3,P4,P5) CN4(P12) CON4(P14) 2)Check output voltage voltage: Vblon +5V Vipwm connector: CN4(P12) J28(P26-P30) CON4(P14) CN4 CN5 On/Off Control Voltage VBLON...
  • Page 56 10.1.3 No sound...
  • Page 57 No sound Change power CN20 is 18V? board U29 low? Change U29 Change main board IS there input of 2ed pin of U29? Is there output Change U29 of 21 and 39 pins of u29 Change speaker...

  • Page 58: Psu Failure Check

    First check cables which connect with PSU then check as follows 1) Check input voltage as NO picture 2) Check speaker output First, check speaker anode (+) and cathode (-),confirm speaker short or not. If short , replace speaker. Second, check CN2, CN3 with oscillograph, confirm wave output or not. Connector: CN2, CN3 10.2 PSU failure check State: No power...

  • Page 59: Panel Failure

    Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking Vertical V B/D Dim or L/D :TCP Sunken :TCP lead cracking :ACF bonding short Virtal gray :Awful environment and something electric line enter into Vertical :Mis-align between TCP and Panel color :Panel failure V L/D...
  • Page 60 Bright and dark 3.Panel and VSC connect bad Flashing display alternately Failure Mode Part Name Description Phenomena Failure cause normal, White only white Screen screen display Maybe caused by surge current and EDS normal, Black only Black Screen screen display Circuit FIIcker Crosstalk...
  • Page 61 brightness *Connect badness B/L dark darker than Short between wire and electrode normal wire wire Operation abnormal or systemic noise damaged damaged wire Without Operation abnormal or systemic noise open backlight shut B/L shutdown in Short between lamp housing and wire, down sometime Because consume power too much...

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