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Sanyo LCD-DP42410 Service Manual
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Sanyo LCD-DP42410 Service Manual

Sanyo LCD-DP42410 Service Manual

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SERVICE MANUAL
LCD TV
FILE NO
LCD- DP42410
PRODUCT CODE No.: 113026104
CHASSIS NO. :
P42410-00
SSB42TTZA1I (SET)
P42410-01
SSB42TTZA2I (SKD)
P42410-02
SSB42TTZA3I (SKD-old bezel)
REFERENCE No.:SM0945007-00

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Summary of Contents for Sanyo LCD-DP42410

  • Page 1 FILE NO SERVICE MANUAL LCD- DP42410 PRODUCT CODE No.: 113026104 LCD TV CHASSIS NO. : P42410-00 SSB42TTZA1I (SET) P42410-01 SSB42TTZA2I (SKD) P42410-02 SSB42TTZA3I (SKD-old bezel) REFERENCE No.:SM0945007-00...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety precautions ....................3 2. Alignment instructions and method of software upgrading........5 3. Working principle analysis of the unit ..............15 4. Block diagram ...................... 16 5. IC block diagram ....................18 6. Wiring diagram ....................20 7.

  • 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 2.11 Special care must be taken in transporting or handling it. Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit. Therefore it must be packed in a strong case before the transportation or handling. 2.12 For the storage make sure to put it in a place where the environment can be controlled so as to prevent the temperature and humidity from exceeding the limits as specified in the manual.

  • Page 5: Alignment Instructions

    2. Alignment instructions 2.1. Test equipment VG-848 (Video, YPbPr and VGA signal generator) VG-849 ( Video, YPbPr, VGA and HDMI signal generator) FLUKE 54200(TV signal generator) CA210 (white balancer) 2.2. Power test Connect main board, power board and IR board according the wiring diagram, connect the power and press power key(Remote controller or Keypad) button to turn on the TV.
  • Page 6 2.3. Alignment flow-chart The alignment flow-chart is shown as fig-1 Check if DDC, HDCP KEY, FLASH are written Combined test for general assembly White balance adjustment Connect to the center signal source and check each Function of TV (station leaking, analog control, etc.) Check the output of earphone and speaker.

  • Page 7: Adjustment Instruction

    2.4. Adjustment instruction At any input source then press the remote controller buttons “<”, “EXIT” and “>” to enter factory mode. During Factory menu, if “MENU” or “EXIT” key is pushed, system will exit factory mode. 2.4-1. Source Calibration 4-1.1. Set the TV input source to YPbPr;...
  • Page 8 4-1.3. Change input source to PC. Change Astro-859 Timing to No.953 (640x480@60Hz) and pattern on 953(8step V-grayscale). Repeat step 4-1.2 to do source calibration, 2.4-2. Color Temperature Adjustment & Check 4-2.1. Set input source. Set the signal generator Astro-859 timing to PG2-924 on Video & YPbPr, PG2-860 on HDMI, and PG2-963 on PC.
  • Page 9 4-2.2. In factory mode OSD menu, select “Color Temperature” item, press “OK” key to enter the item. R, G, B drive values are set for Warm, Medium, and Cool independently. 4-2.3. Set Color Temperature for “Warm”, “Medium” and “Cool” with following spec table. Color temperature(for 42") Color Temp.
  • Page 10 2.5. Items of Factory menu Vendor may customize design and add adjustment items Factory menu as far as all required items are included. Press up and down key can move high light item from Color Temperature Warn -> Color Temperature Medium ->...
  • Page 11 5-1) Color Temperature for Warm Press up or down key can select high light item function. Press enter key to enter the item. Following data for color temp shall be edited manually. -R, G, B data for each preset. -Press “Up” or “Down” key to select “R”, “G”, “B” item -Press “Left”...
  • Page 12 Video: Contrast maximum value, Brightness maximum value, Backlight maximum value. Audio: Volume maximum value. Press right key to turn on Full Power and OSD stay display until press enter key to recover from Full Power. 5-8) Source Calibration Auto Calibration (gain/offset) must be adjusted color by firmware automatic adjustment in PC, and Video3(Component) input source.
  • Page 13 5-14) MEMC Demo Mode To separate screen into two parts that left side is 60Hz and right side is 120Hz for display. 5-15) MEMC Level Changing MEMC level to Weak, Medium or Strong. 2.6. Performance check 6-1 TV function Connect RF to the center signal source, enter Channel menu → Channel Scan, check if there are channels be skipped, check if the picture and speaker are normal.
  • Page 14 6-5 HDMI terminal Input HDMI signal (VG-859 signal generator), separately input the signals listed in table6 and check the display and sound (32KHz, 44.1KHz, 48KHz) at any situation (power on, channel switch and format convert, etc.) Table6 HDMI signal format Horizontal Dot clock Signal mode...

  • Page 15: Working Principle Analysis Of The Unit

    3. Working principle analysis of the unit 1. NTSC/ATSC signal flow: Antenna reception NTSC/ATSC signal will be send to tuner U32, t h e n T u n e r w i l l b e demodulating and output differential IF+ IF- signal . These differential IF+ IF- signal will send to the master control IC U1 to video/MPEGII decode, de- interlace and scaler, then output LVDS level drive for panel display.
  • Page 16 4. Block diagram-SANYO 42” ATSC model System Diagram 42" MEMC Panel out R_out Main Board Audio DDRII 512M Samsung STA335W K4T51163QG-HCF7 L-out IF +/- Flash MXIC DTV system IC MX25L3205DM2I Audio I2S output RENESAS IR / LED Board Light Sensor...

  • Page 17: Block Diagram

    Block diagram-POWER-42”...

  • Page 18: Ic Block Diagram

    5.IC block diagram 5-1. Renesas R8J66975-RFJZ , R8J66977BG-RFJZ Model - SubModel Surround Maximum panel size Number of HDMI ports R8J66975BG-RFJZ Simple surround WSXGA+ (1680 x 1050) R8J66977BG-RFJZ Simple surround FullHD (1920 x 1080) Features Main CPU 32bit RISC Super-H architecture SH3 CPU core Demodulator ATSC A/53 compliant 8VSB receiver /w QAM.
  • Page 19 5-2. Block diagram...
  • Page 20 42” Block...
  • Page 21 Wiring Connection VTV-L42601 VTV-L42601 VTV-L42601 VTV-L42601 Power/B CN15 P802 P803 1 GND 1 LED Mute 1 VDD 21 GND 1 SPK_OUTR+ 1 GND 1 24V 2 GND 2 LED Green 2 VDD 22 GND 2 SPK_OUTR- 2 GND 2 24V 3 24V 3 LED Red 3 VDD...
  • Page 22 7. Trouble Shooting 7-1. Fault clearance...

  • Page 23: Troubleshooting Guide

    7-2. Troubleshooting guide The flow chart shown below will help you to troubleshoot your Televison set with it doesn’t display normally. Each procedure offers a simple way to check for system errors. Before starting, ensure that there is a signal in and that the Televison is turned on. 7.2-1 Power LED no light Change to new power board.
  • Page 24 7.2-2 Has audio but no video out Change to new power board. P /N : P K101V2010I (SSB42T)
  • Page 25 7.2-3 Has video but no audio out Have a video but no sound MUTE Cancel mute function Check volume or Or adjust volume up Mute Check Input Change source device source Check speaker Change speaker Change main pcb...
  • Page 26 Change to new power board. P /N : P K101V2010I (SSB42T)

  • Page 27: Schematic Diagram

    8.SCHEMATIC DIAGRAM ELECTRON-42"...
  • Page 28 MAIN PCB1 MAIN PCB1 Sheet Index FIRMWARE FIRMWARE Page 03 - System Power FW STC40T REV1.0 FW STC40T REV1.0 Page 04 - C7 & MCU / Key Page 05 - C7 & Tuner Input EMIcover1 EMIcover1 Page 06 - C7 & Video Input Page 07 - C7 &...
  • Page 29 3.3V_STB Power Module Input DC - DC FROM VCC TO 1.25V(2A) JWT A2001WV2-16P JWT A2001WV2-16P ACOFF_DET ACOFF_DET 4 B201212K800TM B201212K800TM 1.25VD L0805D L0805D 2.2K 2.2K KHB0805W121SA_6A KHB0805W121SA_6A P24V P_DAMP FB68 FB68 P_DAMP G5694 G5694 2.2uH/3.8A 2.2uH/3.8A 1N4148 1N4148 B201212K800TM/NC B201212K800TM/NC R182 R182 L0805D...
  • Page 30 3.3V_STB 3.3V_STB 3.3V_STB C7 MCU RTX update for DC R8J66977BG R8J66977BG power on fail BGA1090-1 BGA1090-1 10K/0402 10K/0402 56K/0402 56K/0402 20100130 R0402D R0402D R0402D R0402D AB22 AV1_S_DET MEMC_SEL_0 AV1_S_DET GPIO0 SCISCK0 AB21 MEMC_SEL_1 GPIO1 SCIRXD0 PC_DET FR_SELECT PC_DET GPIO2 SCITXD0 PANEL_SEL PANEL_SEL GPIO3...
  • Page 31 close to Tuner Default Setting Samsung tuner TUNER & C7 5VSW 4.7K/0402 4.7K/0402 4.7K/0402 4.7K/0402 SAMSUNG 100/1%/0402 100/1%/0402 100/1%/0402 100/1%/0402 DTVA50CVH1019B DTVA50CVH1019B R8J66977BG R8J66977BG BGA1090-1 BGA1090-1 close to Tuner 1-NC 2-B+ 3-NC SICL0 4-NC 5-GND SIDA0 B201212K800TM B201212K800TM B201212K800TM B201212K800TM L0805D L0805D 22pF/50V/0402...
  • Page 32 5VSW_C KHB0603Q300SA KHB0603Q300SA AV3_PB_IN AV3_PB KHB0603Q300SA KHB0603Q300SA AV3_L_IN AV3_AL AV3_AL C137 C137 C159 C159 R104 R104 R115 R115 C176 C176 C177 C177 0.1uF/10V/0402 0.1uF/10V/0402 75/1% 75/1% 470pF/50V/NC 470pF/50V/NC 470pF/50V/NC 470pF/50V/NC 10pF/25V/0402 10pF/25V/0402 KHB0603Q300SA KHB0603Q300SA C142 C142 AV3_Y_IN 10uF/10V/0805 10uF/10V/0805 MMBT3904L MMBT3904L KHB0603Q300SA KHB0603Q300SA...
  • Page 33 5VA_VGA VGA INPUT INTERFANCE R137 R137 100/NC 100/NC PC_DET PC_DET IO11 IO11 DSUB15P-CONTECK DSUB15P-CONTECK R140 R140 C184 10nF/25V/0402 C184 10nF/25V/0402 D-SUB C7 R8J66977BG R8J66977BG CAB_P PC-RED RED+ BGA1090-1 BGA1090-1 VGA_SDA PC-GREEN R141 R141 C185 10nF/25V/0402 C185 10nF/25V/0402 HSYNC+ HSIN HSYNC PC-BLUE GREEN+ VSYNC+...
  • Page 34 HDMI INPUT improve HDMI pre-test , HPD impedance IO19 IO19 NIKTTECH/HDMI_SMD_V NIKTTECH/HDMI_SMD_V update for HPD should 19" 26" NC R169 R169 not work while AC off HPD0 R174 R174 1K/1%/0402 1K/1%/0402 R178 R178 20100226 5VD_HDMI0 R173 R173 CH0_SDA HDMI_HPD0 HDMI_HPD0 CH0_SCL PDTC124ET PDTC124ET...
  • Page 35 C203 4.7uF/10V/0805 C203 4.7uF/10V/0805 C0805D C0805D R132 R132 C7 AUDIO IN AV1_AL R161 R161 AV1 (CVBS Input) AV1_AR C204 4.7uF/10V/0805 C204 4.7uF/10V/0805 C0805D C0805D R136 R136 R166 R166 R8J66977BG R8J66977BG BGA1090-1 BGA1090-1 AINL0 AINR0 C295 4.7uF/10V/0805 C295 4.7uF/10V/0805 C0805D C0805D R133 R133 AV2_AL...
  • Page 36 3.3V_STB 10K/0402/NC 10K/0402/NC 10K/0402 10K/0402 10K/0402 10K/0402 10K/0402/NC 10K/0402/NC 10K/0402 10K/0402 10K/0402 10K/0402 10K/0402 10K/0402 R325 R325 R326 R326 R327 R327 R328 R328 R227 R227 R228 R228 R229 R229 R230 R230 10K/0402 10K/0402 R8J66977BG R8J66977BG Debug Port BGA1090-1 BGA1090-1 R294 R294 33/1%/0402 33/1%/0402...
  • Page 37 R8J66977BG R8J66977BG R8J66977BG R8J66977BG 1.8VA_AVD 1.25VD_C BGA1090-1 BGA1090-1 BGA1090-1 BGA1090-1 3.3VD_C 1.25VD B201212K800TM B201212K800TM VDD18HDMI 0.1uF/10V/0402 0.1uF/10V/0402 0.1uF/10V/0402 0.1uF/10V/0402 0.1uF/10V/0402 0.1uF/10V/0402 PLL1AVCC VDD12 C225 C225 VDD18HDMI C226 C226 C227 C227 C228 C228 C365 C365 C313 C313 C241 C241 C229 C229 C230 C230 C242...
  • Page 38 Resistor 0402 R8J66977BG R8J66977BG K4T51163QG-HCF7 K4T51163QG-HCF7 BGA1090-1 BGA1090-1 VCCQ18 DDR2-H5PS5162FFR-HYNIX DDR2-H5PS5162FFR-HYNIX DRAM_BA1 R263 R263 22/1%/0402 22/1%/0402 SDBA1 R267 R267 22/1%/0402 22/1%/0402 DRAM_A0 DRAM_WE SDWE SDA0 SDA0 DRAM_A1 DRAM_A2 R266 R266 22/1%/0402 22/1%/0402 SDA2 SDA1 SDA1 DRAM_A2 DRAM_CS R264 R264 22/1%/0402 22/1%/0402 SDCS SDA2...
  • Page 39 LVDS Video I/F 3.3VD DCR_ADJ CN15 CN15 A2006WV0-2X20P A2006WV0-2X20P R8J66977BG R8J66977BG R389 0/NC R389 0/NC BGA1090-1 BGA1090-1 BACKLIGHT_ADJ R391 R391 C7 LVDS 10K/0402/NC 10K/0402/NC LV1OUT0M LV1OUT0P 3.3VD R390 0/NC R390 0/NC LV1CKOP LV1OUT1M LV1OUT1P AA15 LV1CKOP LV1CKOM LV1OUT2M LV1OUT2P AB15 LV1CKOM R366 R366...
  • Page 40 5VSW SPDIF "Coaxial" B201212K800TM B201212K800TM L0805D L0805D R351 R351 1.5K 1.5K C321 C321 R331 R331 2.2K 2.2K MMBT3904L MMBT3904L 0.1uF/10V/0402 0.1uF/10V/0402 C314 C314 R349 R349 75/1% 75/1% L77 KSI0603R56KA L77 KSI0603R56KA R8J66977BG R8J66977BG SPDIF BGA1090-1 BGA1090-1 0.1uF/10V/0402 0.1uF/10V/0402 C7_SPDIF C7_SPDIF R350 R350 R346...
  • Page 41 3.3VD 3.3VD_AU 3.3/0805 3.3/0805 SMTDR75-22uH/1.5A SMTDR75-22uH/1.5A SPK_OUTL+ FBMA-300LMT FBMA-300LMT C701 C701 0.1uF/50V 0.1uF/50V C700 C700 0.1uF/50V 0.1uF/50V C698 C698 0.1uF/50V 0.1uF/50V STA335W STA335W 330pF/50V 330pF/50V C702 C702 R403 R403 6.2/1206 6.2/1206 1nF/50V 1nF/50V DAMP_PDN OUT4A OUT3A FBMA-300LMT FBMA-300LMT GND_DAMP OUT4B OUT3B VDD_DIG CONFIG...
  • Page 42 SCHEMATIC DIAGRAM POWER 42”(P42410-00)
  • Page 43 42" POWER-(P42410-00) SECONDARY PRIMARY SA101 P801 F101 LF102:1 LF101:1 BD101 D105 R127 D201 L201 R102 24Vinv/5.0A VA101 T101:11 D103 R121 R103 U101 Q101 TH101 D202 R123 R104 L202 N.C. P801:3 12V/2.0A LF101:2 LF102:2 Q103 T101:7 C204 SSC9502 T101:9 T101:4 L203 T101:10 R126 R124...
  • Page 47 CANADA SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM...