Related Manuals for Sanyo LCD-19R30
Summary of Contents for Sanyo LCD-19R30
- Page 1 FILE NO. SERVICE MANUAL LCD-19R30 PRODUCT CODE No. PRODUCT CODE No. LCD TV 1 682 348 10: P/S BG/DK/I REFERENCE No.:SM0915068...
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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.
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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 (295, 305).
- 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 5) by VG849 signal generator, check if picture display and sound are normal.
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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.
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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 23 RB128 TXD0 CB01 RB129 RXD0 100n RB59 GND-H HD1_LIN NB04 PESD5V0L4UG CB14 RB61 CB22 330p 560p PESD5V0L5UY CB03 100n NB01 RB62 CB15 CB23 NB17 RB112 330p 560p RB60 PESD5V0L4UG CB55 HD1_RIN 100n RB103 XB05 RB13 NB12 HJK-3.5-401 XB02 PESD5V0L4UG VS_RGB AV2-8413 RB14 RB153...
- 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 RV74 LV02 +5V_ear NV01 4.7K BG2012D151T HEF4052BT Cv27 XV03 ST-113 CV02 CV01 100u 100n 100K 100K Rv19 Rv45 CV12 100n CV11 MUX_LIN 100K MUX_RIN Y-COM Rv17 CV05 RV49 RV51 RV53 X-COM 100u 4.7u 4.7K 4.7K 4.7K CV14 AMP_R...
- Page 26 D12V +5V_STB NS03 AT24C04N-10SI-2.7 GND-H RS12 4.7K RS14 BC857AW RS90 VS01 RS91 XS03 GND-H CS13 RS15 nGª [ª GND-H VDDP_PM AVDD_MPLL_PM AVDD_RXV GND-H GND-H +5V_STB AVDD_AU AVDD_33_PM VDDC VDDP +2.6MVDD +5V_STB AVDD_USB CS14 AVDD_MEMPLL GND-H NS04 24LC64ISN +3.3V_STB GND-H GND-H HDMIB_RXC- RXBCKN HDMIB_RXC+...
- Page 28 19" Backlight Board...
- Page 29 19" Power Board...
- Page 30 APPENDIX-A: Main assembly LCD-19R30 MAIN COMPONENT AND IT'S NO. NAME NS01 MST6E16G (5270616001) NS05 HY5DU561 (5275616222) Main board XI6KU0090110 NV01 HEF4052B (5274052001) TUNJ01 FTDC3S20 (5524050023) IR board XI6KU0090910 Key board XI6HE0330510 Power board XI6KU0202010 Remote control XI6010200901 Panel CLAA185WA03 233...
- Page 31 APPENDIX-B: Exploded view (LCD-19R30)
- Page 32 PART LIST OF EXPLODED VIEW DESCRIPTION front cabinet key board IR board speaker 5W 16Ω panel main board back cabinet stand column stand power/backlight board user manual remote control...
- Page 33 PART LIST LCD-19R30 ver. REF.No. PARTS No. DESCRIPION Q'TY REMARK front cabinet XI5Q19420010 XI6HE0330510 key board XI6KU0090910 IR board XI6170808000 speaker 5W 16Ω XI5203195205 panel CLAA185WA03 233 XI6KU0090110 main board XI5H1946M010 back cabinet XI6156090800 stand column XI6151201000 stand XI6KU0202010 power/backlight board...
- Page 34 Assembling the stand and removing the stand column(Option) If the stand is provided, please read these instructions thoroughly before attempting this installation. afety 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 Assembling the stand and removing the stand column(Option) Detaching the Stand 1.Place carefully the display on its front side with a soft cushion below, shake the stand forward or backward to adjust angle between the stand and the display, let the angle ≤...
- Page 37 July/2009...