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Sanyo LCD-32XR9K Service Manual
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Sanyo LCD-32XR9K Service Manual

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LCD-32XR9K
8 51
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Summary of Contents for Sanyo LCD-32XR9K

  • Page 1 LCD-32XR9K 8 51...

  • Page 2: Table Of Contents

    CONTENTS Safety precautions…………………………………………………………………1 Alignment instructions……………………………………………………………..3 Software upgrade method…………………………………………………………8 Block diagram………………………………………………………………………10 IC block diagram……………………………………………………………………11 Troubleshooting guide……………………………………………………………..12 Schematic diagram………………………………………………………………...20 APPENDIX-A: Assembly list APPENDIX-B: Exploded view...

  • Page 3: Safety Precautions

    Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components or inserting/plugging in connection wire Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;...
  • Page 4 would be unable to work and no way to get it repaired. If the connection wires, connections or components fixed by the thermotropic glue need to disengage when service, please soak the thermotropic glue into the alcohol and then pull them out in case of dagmage.

  • Page 5: Alignment Instructions

    Alignment Instructions 1. Alignment equipments Digital Multimeter Signal Generator (54200) Personal Computer (FLASH writing tool pre-installed) VG848 & VG849 (VGA, YPbPr, HDMI signal generator) DVD player with HDMI jack CA210 (white balancer) Monitor 2. Power voltage test and alignment flow chart 2.1 Power voltage test According to wiring diagram connect all boards correctly.
  • Page 6 3. Alignment instructions 3.1 Complete set alignment 3.1.1 According to wiring diagram connect all boards correctly. Power on the TV, check if the display is normal. 3.1.2 Factory menu usage a) First press “INPUT” button, then in turn press “2、5、8、0” to access factory main menu. b) Press “...
  • Page 7 3.2.2 Four channels white balance adjustment 3.2.2.1 For AV channel (TV/S-VIDEO/SCART is the same) Through AV channel, input 8-step gray scale signal (VG848 Timing, input 969, PAT 920), go to factory menu and access Color Temperature menu page, fix G-GAIN, adjust R-GAIN and B-GAIN to make the 7 step chromaticity coordinates be (285, 293).
  • Page 8 4. Performance check 4.1 TV function check Input RF signal. Open the user menu and first go to Channel menu, perform auto scan to check if there is any program lost. Check speaker output normally and picture is displayed normally. 4.2 AV/SVIDEO/SCART input check Respectively input signal through AV/SVIDEO/SCART, check if picture and sound are normal.
  • Page 9 1024×768@60 Hz 48.40 60.00 65.00 VESA 1024×768@70 Hz 56.50 70.00 75.00 VESA 1024×768@75 Hz 60.00 75.00 78.75 VESA 1360×768@60 Hz 47.71 60.01 85.50 VESA 4.5 HDMI input check Respectively input all format HDMI signal (shown at below table 6) by VG849 signal generator, check if picture display and sound are normal.

  • Page 10: Software Upgrade Method

    Software upgrade method 1 Using USB port to upgrade (it is suggested to use this method in preference) 1.1 Precautions The upgrade file must be saved under root category of USB device, and the file name must be changed to “KU19P.BIN” or “ku19p.bin”. 1.2 Upgrade steps: a) Copy the provided “KU*.bin”...
  • Page 11 ⅱ. Go to “Feature & Adjust” sub-menu, select “EEPROM Init” at the first line. ⅲ. Press “ ” (RIGHT arrow button) to perform initialization. During the process the message “Please Wait” will be displayed. When complete, “OK” is displayed.

  • Page 12: Block Diagram

    Block Diagram...

  • Page 13: Ic Block Diagram

    IC block diagram GENERAL DESCRIPTION The MST6E16GS is a high performance and fully integrated IC for multi-function LCD monitor/TV with resolutions up to full HD (1920x1080). It is configured with an integrated triple-ADC/PLL, an integrated DVI/HDCP/HDMI receiver, a multi-standard TV video and audio decoder, a video de-interlacer, a scaling engine, the MStarACE-3 color engine, an on-screen display controller, an 8-bit MCU and a built-in output panel interface.

  • Page 14: Troubleshooting Guide

    Troubleshooting Guide Common-trouble judging flow chart Connect the power. Check if power supply or infrared sensor board has trouble, Check if the indicator or power cord problem. lights red. Yes, then press Check if main chip (MST6E16) POWER button. pin44 waveform is sine wave, FLASH pin6 waveform is square- Check if the indicator wave.
  • Page 15 1. No raster (screen is not lit), no picture, no sound No raster, no picture & sound Check if indicator lights up. Check if indicator Check Standby _ 5V lights blue. Normal Abnormal Check main chip Disconnect power Check main chip pin 156 LED board and Data (NS01), FLASH...
  • Page 16 2. Sound normal, but no picture (blue screen and OSD can be displayed.) Sound is OK, but no picture. Check backlight is lit. Try other source, to Check backlight check the picture board, main chip pin display. 81 backlight control status.
  • Page 17 4. Picture normal, but no sound Picture is OK, but no sound. Check main board XV05 has signal output. Check power amplifier Speaker problem relative pins have square- wave signal output. Check power Check CV18, amplifier rear CV22 have signal stage peripheral input amplification.
  • Page 18 4. Some source channel work abnormally. a) AV1 channel has no picture Check CS30 has signal input. The route from AV 1 Check NS01 peripheral socket to NS01 exists circuit, crystal oscillator problem. and its power supply. SCART CVBS channel has no picture Check CS28 has signal input.
  • Page 19 d) TV channel has no picture Check LJ31 has signal input. Check NS01 peripheral circuit, Check TUNER1 pin crystal oscillator and 11 has signal output. the power supply. Check TUNER1 Check circuit peripheral between circuit, power TUNER1 and supply and bus. NS01.
  • Page 20 e) VGA channel has no picture Check NS01 pin 29, pin 30 have synchronous signal input. Check circuit Check CS17, CS18, CS19, between VGA CS20 have signal input. socket and NS01. Check circuit Check NS01 between VGA circuit. socket and NS01. f) HDMI channel has no picture Check NS01 has digital signal input.
  • Page 21 g) HDMI channel has no sound Check NS01 has digital signal input. Check NS01 peripheral Check circuit between circuit, crystal oscillator HDMI socket and NS01. and the power supply. Note: To get normal HDMI sound , especially when connect to DVD player with HDCP information, it must be guaranteed that NV04 and NV05 (HDMI port DDC chip) writing is correct, and bus between NV04, NV05 and HDMI jack must be smooth and unhindered, otherwise the sound playback can...

  • Page 22: Schematic Diagram

    Power Switch Wiring diagram...
  • Page 23 DB01 YPBPRIN MMBD1204 100n 100n CB01 CB02 RB28 CB04 RB29 100n RB41 RB42 RB15 RB16 100n RB43 CB11 RB44 RB17 YPbPr_SOUND 1/2 RB18 RB45 RB33 RB22 2.2K RB21 2.2K RB39 100n RB26 CB03 AV IN CB19 AV OUT RB61 RB57 RB58 CB22 CB20...
  • Page 24 +2.6VM AVDD_MemPLL +3.3V_STB VDDP_PM +2.6MVDD +5V_USB1 LJ15 LJ17 LJ28 BG2012D151T BG2012D151T BG2012D151T FUJ01 CJ37 CJ62 CJ80 CJ84 CJ56 CJ61 CJ64 CJ78 CJ82 RJ69 CJ39 SMD1206P075TF XJ02 USB1_OC_DET 2.2u USB3112 100n 100n 100n 100n 100n 100n 100n 100n 100n 750mA RJ64 +5V_STB 100K AVDD_AU...
  • Page 25 +3.3V_STB LV01 RV02 RV01 STBH2012-201PT LV02 +5V_EOP RV74 NV01 BG2012D151T 4.7K HEF4052BT XV03 CV02 CV01 ST-113 100n CV13 CV12 100u 100n CV11 MUX_LIN MUX_RIN Y-COM CV05 RV49 RV51 RV53 X-COM 100u 4.7u 4.7K 4.7K 4.7K CV14 AMP_R RV66 RV67 1.1K 1.1K CV07 CV09...
  • Page 26 +5V_STB +5V_STB NS03 AT24C04N-10SI-2.7 RS12 4.7K RS14 BC857AW VS01 GND-H CD4148WP DS02 RS90 CS13 RS15 XS03 nGª [ª VDDP_PM AVDD_MPLL_PM AVDD_RXV RS91 +5V_STB AVDD_AU AVDD_33_PM VDDC VDDP +2.6MVDD AVDD_USB CS14 AVDD_MemPLL +5V_STB NS04 24LC64ISN +3.3V_STB HDMIB_RXC- RXBCKN HDMIB_RXC+ RXBCKP RS40 HDMIB_RX0- RXB0N USB20_DP...
  • Page 28 32" Power Board...
  • Page 29 APPENDIX-A: Main assembly LCD-32XR9K 9232KU4212 MAIN COMPONENT AND IT'S NO. NAME NS01 MST6E16G (5270616001) NS05 HY5DU561 (5275616222) Main board XI6KU01101F0 NV01 HEF4052B (5274052001) TUNJ01 FTDC3S20 (5524050023) IR board XI635KU00303 Key board XI635HE00102 Power board XI6HE0332010 Remote control RC-209-0A XI6010200901 Panel...
  • Page 30 APPENDIX-B: Exploded view (LCD-32XR9K)
  • Page 31 PART LIST OF EXPLODED VIEW REF.No. DESCRIPION Front cabinet Panel IR board Conective bracket Key board Frame Pedestal connection Power board connection Interface baffel (right) nterface baffel (down) Speaker Back cover Pedestal Standing pole Wall-mounting holder Power switch Power board Main board SCART connection Panel connection (up)
  • Page 32 PART LIST LCD-32XR9K ver. REF.No. PARTS No. DESCRIPION Q'TY REMARK XI6632420020 Front cabinet XI5203325512 Panel XI6KU0090910 IR board Conective bracket XI58A0A78000 Key board XI6HE0330510 XI6153253000 Frame XI58A0082700 Pedestal connection Power board connection XI58A0082600 XI5810D67620 Interface baffel (right) XI5810M67700 nterface baffel (down)
  • Page 33 Assembly list of panel Components Panel model CMO Backlight board 60Z0000653 27-D029403(V315B6-L02) Note: Specifications are subject to change without notice.
  • Page 34 Assemble & Disassemble the Pedestal Base (Option)-for 32x42 If the stand is provided, please read these instructions thoroughly before attempting this installation. Safety Precautions: 1. Please read these instructions thoroughly prior to attempting this installation. 2. Be sure to handle this product very carefully when attempting assembly. If you are unsure of your capability, or the use of tools necessary to complete this activity, refer to a professional installer or service personnel.
  • Page 35 Assemble & Disassemble the Pedestal Base (Option)-for 32x42 To remove the stand column: 1. Lay your TV flat (screen down) on a table or bench. Make sure that you put down a soft cushion or cloth so that your TV is not scratched. 2.
  • Page 36 WALL MOUNTING INSTRUCTIONS-for 32x42 Safety Precautions: 1. Be sure to ask an authorized service personnel to carry out setup. 2. Thoroughly read this instruction before setup and follow the steps below precisely. 3.The wall to be mounted should be made from solid materials. Only use accessories supplied by the manufacturer. 4.Very carefully handle the unit during setup.
  • Page 37 OCT/2009...