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Sanyo LCD-40E40F Service Manual
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Sanyo LCD-40E40F Service Manual

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SERVICE MANUAL
LCD TV
FILE NO
LCD-40E40F
PRODUCT CODE No.: 168234974 (3P AC Plug)
CHASSIS No.： ： ： ： SSB40SM-00
CHASSIS No.： ： ： ： SSB40SM-01
CHASSIS No.： ： ： ： SSB40SA-00
CHASSIS No.： ： ： ： SSB40SA-01
REFERENCE No.: SM0945004-02
1
: 168234975 (2P AC Plug)

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Summary of Contents for Sanyo LCD-40E40F

  • Page 1 FILE NO SERVICE MANUAL LCD-40E40F PRODUCT CODE No.: 168234974 (3P AC Plug) : 168234975 (2P AC Plug) LCD TV CHASSIS No.： ： ： ： SSB40SM-00 CHASSIS No.： ： ： ： SSB40SM-01 CHASSIS No.： ： ： ： SSB40SA-00 CHASSIS No.： ： ： ： SSB40SA-01...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety precautions ....................1 2. Alignment instructions and method of software upgrading........5 3. Working principle analysis of the unit ..............19 4. Block diagram ...................... 20 5. IC block diagram ....................22 6. Wiring diagram ....................28 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 1. Test equipment VG-848 (YPbPr, VGA signal generator) VG-849 (HDMI signal generator) FLUKE 54200(TV signal generator) CA210 (white balancer) 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. a) Test the pin voltage of P802/power board , the data is shown in table1: Table1 voltage data of P802 For 40”...
  • Page 6 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 4. Adjustment instruction At any input source then press the “Mute” and “ Menu (key pad) to enter factory mode During Factory menu, if “MENU” key is pushed, system will exit factory mode. 4-1. Source Calibration 4-1.1. Set the signal generator to input sources Video3 (Component) on LCD-TV; ASTRO-859 signal setting to720P/60 (PG2 mode Timing 940 and Pattern 924 100% Color Bar.) 4-1.2.
  • Page 8 Repeat step 2 to do VGA input sources, ASTRO-859 signal setting to1024X768 60Hz. (PG2 mode: Timing 963 and Pattern 924 100% color bar.) 4-2. Color Temperature Adjustment & Check 1024*768, 60HZ(ASTRO-859: PG1 856), Level:0.56V(80% 4-2.1. Set the signal generator to RGB, ).
  • Page 9 Increase B GAIN drive from default value. (4)-2 If y value is higher than spec, Decrease B GAIN drive from default value Step 2.When finsh Gain parts, then turning OFFSET parts 1024*768, 60HZ(ASTRO-859: PG2 963), Level:0. Set the signal generator to RGB, Full white pattern.
  • Page 10 5-1) Cool Press up or down key can select high light item function. Press OK 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” Gain and Offset item -Press “Left”...
  • Page 11 -Press “MENU” or “BACK” item to exit to factory mode 5-4)Shipping Press up or down key can select high light item function Press “Left” & “Right” key to select the item. Default set in Factory mode Following shipping area to select the item(ME) 5-5) NVRAM Clear Initialize program’s default values to NVRAM for following adjustment items accuracy.
  • Page 12 6. Dealer Mode Function 7. Performance check 7-1 TV function Connect RF to the center signal source, enter Channel menu → auto tuning, check if there are channels be skipped, check if the picture and speaker are normal. 7-2 AV/S-Video terminals Input AV/S-Video signal, check if the picture and sound are normal.
  • Page 13 7-5 HDMI terminal Input HDMI signal (VG849 signal generator), separately input the signals listed in table4 and table5 and check the display and sound (32 KHz, 44.1 KHz, 48 KHz) at any situation (power on, channel switch and format convert, etc.) 7-6 other functions check a) Check the turn on/turn off timer, sleep timer, picture/sound mode, OSD, stereo and analog TV Teletext, etc.
  • Page 14 Don’t push blue Key. SoftWare seeting. 1. press Option to check ISP mode, Packet size and Default baud rate then press OK 2. select communication COM port.
  • Page 16 3. press Select File then select update F/W file. 4. press Start...
  • Page 17 5.start update F/W, there has two method to start update F/W (1)keep push Channel up key and turn on the power. (2)press Menu key then red key then blue key then Power key to update F/W.
  • Page 18 6.Erasing EE PROM 7.Build in F/W on the EE PROM. 8. update success.

  • Page 19: Working Principle Analysis Of The Unit

    Working principle analysis of the unit 1. PAL/SECAM and NTSC signals flow: Antenna reception, B/G, I, D/K, signal will be send to tuner M40CPT-2PNB-E, t h e n T u n e r w i l l b e demodulating and output standard video signal TV-CVBS, and sound SIF signal. TV-CVBS will send to the master control IC SPV7101P to video decode, de-interlace and scaler, then output LVDS level drive for panel display.

  • Page 20: Block Diagram

    Sanyo 40” Block Diagram I. Block Diagram...
  • Page 21 Block diagram-POWER-40”...

  • Page 22: Ic Block Diagram

    IC block diagram 1.SUNPLUS SPV7101P Feature: Graphics and Video Input Port Integrate 150MHz 10-bit ADC/PLL Dual CCIR656 digital video ports to support 2 input or 1 input/1output Support SDTV at 480i/576i and 480p 576p Support HDTV at 720p,1080i and 1080p Support PC graphics VGA, SVGA, XGA, WXGA, SXGA@75Hz(135M) Built-in sync.
  • Page 23 High Quality Video Scaling Engine Advanced fourth-generation scaling engine Support 4:3 /16:9 with non-linear scaling Support moiré Canceling Multi-standard TV Sound Decoder Fidel proven TV sound decoder Support BTSC, A2/Zweiton, NICAM, EIAJ, SECAM, and FM stereo Automatic TV-standard detection(ADS) Non-standard carrier compatible SAP decoding where applicable Auto fallback from NICAM where applicable Embedded OSD and VBI controller...
  • Page 24 SSD could output up to 3 sources Dolby Surround (VDSII 422 and 423)(Supported by SPV7101PD only) SRS TruSurround(XT, WOW,3D sound)(Supported by SPV7101PS only) Miscellaneous Built-in TV remote control via infra-red receiver interface 2-channel 6-bit ADC for key scan function Built-in pattern generator for auto testing 256-pin LQFP(SPV7100P pin-to-pin compatible) 2.
  • Page 25 4. IT6633E-P 3-to-1 HDMI 1.3 Active Switch with EDID RAM...
  • Page 26 5. TPA6132A2 25-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION...
  • Page 27 6. WT6702F The WT6702F is a microcontroller for system power manager with 1)Turbo 8051 compatible(3T) CPU2) 8K bytes flash memory, 3)256 bytes SRAM, 4) 2 PWMs,5)DPMS detector, 6)8051 2 timers and UART,7)Three Slave IIC interface, 8) 4 Channel 8-bit A/D converter, 9) Real Time Clock, 10) watch-dog timer, 11) Embedded ISP, 12)Power down mode, 12) Embedded ICE mode.

  • Page 28: Wiring Diagram

    Sanyo 40-inch Wiring Diagram BLOCK...
  • Page 29 II. Wiring Connection CMO panel...
  • Page 30 Samsung panel...
  • Page 31 Trouble shooting 1. Fault clearance...

  • Page 32: Troubleshooting Guide

    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. 2-1 Power LED no light Power LED no Light...
  • Page 33 2-2 Has audio but no video out Change to new power board. P/N: PK101V1110I or PK101V2070I...
  • Page 34 Has video but no audio out step 1 Has video but no audio out step 2 Change to new power board. P/N: PK101V1110I or PK101V2070I...

  • Page 35: Schematic Diagram

    8.SCHEMATIC DIAGRAM ELECTRON (LCD-40E40F)
  • Page 36 +5V_SW L802 L802 Vout=0.8(1+R1/R2) BLM21PG300SN1D BLM21PG300SN1D C802 C802 C823 C823 HDMI 1.mA 82pF 82pF SE22uF/16V SE22uF/16V Analog 74.2 mA VCC3_3 scaler pc 163mA HDMI 690mA PC 620mA U802 U802 C803 C803 C804 C804 LD1117AL-ADJ-223-1A LD1117AL-ADJ-223-1A L803 L803 1.8V digital- 0.75A U801 U801 1uF/50V/0805...
  • Page 37 R361 R361 D-SUB INPUT <6,8> JP301 JP301 0R/0402 0R/0402 R362 R362 <6,8> 0R/0402 0R/0402 +5V_PC VGA_B+ R302 100R/0402 R302 100R/0402 C302 0.01uF/0402/50V C302 0.01uF/0402/50V B_IN B_IN <6> VGA_G+ R303 100R/0402 R303 100R/0402 C303 0.01uF/0402/50V C303 0.01uF/0402/50V G_IN G_IN <6> VGA_R+ R304 100R/0402 R304 100R/0402 C304 0.01uF/0402/50V...
  • Page 38 Y/CVBS SWITCH SW_CON Output +5V_SW CVBS1 S_Video CVBS & Ypbpr AV input +5V_SW R387 R387 R388 R388 4.7K/0402 4.7K/0402 4.7K/0402 4.7K/0402 JP302B JP302B U302 U302 C363 C363 SE10uF/16V SE10uF/16V R384 R384 Ypbpr_G SV_Y_IN SW_CON SW_CON <6> R331 R331 CVBS0_IN_A CVBS0_IN <6>...
  • Page 39 Side HDMI HD5V_2 D415 D415 BAT54C/SOT-23 BAT54C/SOT-23 HDMI-3 +5V_SW HD5V_0 D402 D402 Change5 BAT54C/SOT-23 BAT54C/SOT-23 HD5V_2 JP401 JP401 HDMI-1 +5V_SW HDMI-19PV-SMD-JALCO HDMI-19PV-SMD-JALCO R410 R410 R411 R411 R417 R417 HD5V_0 JP402 JP402 C402 C402 HDMI-19PV-SMD-JALCO HDMI-19PV-SMD-JALCO R416 R416 HD5V_2 0.1uF/0402/16V 0.1uF/0402/16V C401 C401 CEC/DDC GND...
  • Page 40 U501 U501 SDRAM Data Bus MD[0..15] <6> MD[0..15] +2V5 DDR_MD15 DDR_MD0 DQ15 DDR_MD0 +2V5 VDDQ VSSQ DDR_MD1 DDR_MD14 DDR_MD1 SDRAM CONTROLLER DQ14 MA[0..11] DDR_MD2 DDR_MD13 DDR_MD2 <6> MA[0..11] DQ13 DDR_MD3 SIGNAL +2V5 VSSQ VDDQ 47R/0804 47R/0804 DDR_MD12 DDR_MD3 RP501 RP501 DQ12 DDR_MD4 DDR_MD11...
  • Page 41 Crystal Circuit IO Trap TX0M0 TX0M0 <9> TX0P0 TX0P0 <9> TX0M1 LVDS Output TX0M1 <9> TX0P1 TX0P1 <9> TX0M2 TX0M2 <9> CLKIN <Trap0> SCK_FLASH R202 R202 NC/10K NC/10K TX0P2 TX0P2 <9> (Pin-201) TXCLK0M Y201 Y201 TXCLK0M <9> +3V3 +CVDD TXCLK0P Memory I/O TXCLK0P <9>...
  • Page 42 PLL POWER/GND (3.3V/1.8V) +3V3 <1,6,8,9,11> +3V3 +3V3 +3V3_STBC +3V3_MPLL TMDS AUD PLL POWER/GND (1.8V) XTAL POWER/GND (3.3V) +1V8 L203 L203 <1> +1V8 +1V8 FBMA-300LMT FBMA-300LMT +1V8 +1V8_AUD 5,6,8,9,10,11,12,13> C238 C238 C239 C239 C240 C240 Pin222, Pin223, Pin224 L204 L204 +3V3 +3V3_XTAL 10uF/0805/10V 10uF/0805/10V...
  • Page 43 Flash Interface KEY Interface HOLD_FLASH 3V3_MCU L901 L901 IR&LED Interface +3V3 FBMA-300LMT/NC FBMA-300LMT/NC Q905 Q905 R903 R903 R905 R905 R902 R902 R904 R904 R906 R906 R907 R907 R908 R908 PMBT3906 PMBT3906 R937 R937 1.2K 1.2K 2.4K 2.4K 3.6K 3.6K 6.2K 6.2K C902 C902...
  • Page 44 TX0M0 <6> TX0M0 TX0P0 <6> TX0P0 TX0M1 <6> TX0M1 TX0P1 <6> TX0P1 TX0M2 <6> TX0M2 TX0P2 <6> TX0P2 TXCLK0M <6> TXCLK0M TXCLK0P <6> TXCLK0P TX0M3 <6> TX0M3 TX0P3 <6> TX0P3 TX1M0 <6> TX1M0 TX1P0 <6> TX1P0 TX1M1 <6> TX1M1 TX1P1 <6>...
  • Page 45 T102 T102 TCL Tuner NC T101 R103 R101 C107 C105 C106 12/21 LG Tuner M40CTP-2PN-E M40CTP-2PN-E TUNER +5V_TUNER Del R117 R118 TP101 TP101 VCC12_0 U101 U101 T101 T101 78D05L 78D05L 192mA L110 L110 TO-252 TO-252 L103 L103 L1206D L1206D VS_RF VS_RF KHB0805Q300SA/NC KHB0805Q300SA/NC...
  • Page 46 +3.3V_SW_AVDD C711 C712 C713 C714 C715 +3V3 +3.3V_SW +3.3V_SW_AVDD L702 L702 R702 R702 L703 L703 FBMA-300LMT FBMA-300LMT 0/0402 0/0402 FBMA-300LMT FBMA-300LMT C703 C703 C702 C702 0.1uF/16V/0402 0.1uF/16V/0402 10uF/0805/10V 10uF/0805/10V L704 L704 22uH 22uH R703 R703 0/0402 0/0402 AVSS C704 C704 0.1uF/50V 0.1uF/50V G_ADO...
  • Page 47 +5V_SW BLK ON CN801 CN801 VCC24_0 L813 L813 R810 R810 2.2uH 2.2uH R811 R811 BKLT_EN R812 R812 R813 R813 R814 R814 VCC12_0 4.7K/1206 4.7K/1206 4.7K/1206 4.7K/1206 4.7K/1206 4.7K/1206 12V PANEL R815 R815 +5V_S Q802 Q802 C831 C831 5V PANEL <6> BL_ON PMBT3904 PMBT3904...
  • Page 48 PCBA IO POSITION 140mm COV2 COV2 EMI-CASE-HOLE EMI-CASE-HOLE CN701 CN202 LVDS 2X20 Spearker SW902 POWER U806 2.5V U902 SW901 CH+ U701 FLASH/2MB U501 AUDIO AMP SW907 CH- DDR/8Mx16 STA335W W9412G6IH-5 SW906 VOL+ U201 U502 COV1 COV1 U801 SPV7101 DDR/8Mx16 EMI-CASE-HOLE EMI-CASE-HOLE W9412G6IH-5 PWR SW...
  • Page 49 +5V_S +5V_SW VCC12_0 VCC24_0 UT4435 U903 U804 UT4435 +5V_SW 24LC32 LD1117_3.3V LVDS 3v3_MCU Power U806 U803 U302 U702 U801 LD1117-ADJ LVDS U102 U701 UTC1084-3.3V APW7085 U901 U902 +2V5 Power 7809 STA335BW NC7SB3157P6X TPA6132 VCC3_3 +1.8V 6702F MX25L16 VCC9_0 +MVDD +2V5 +1.8V U101 7805...
  • Page 50 SCHEMATIC DIAGRAM POWER (LCD-40E40F)
  • Page 51 SECONDARY PRIMARY P801 F101 TH101 L601 LF101:1 LF102:1 FB101 BD101 C601 C602 R105 D105 R127 T101:12 D201 L201 24V/6.7A R106 D204 D205 D103 R121 FB102 U101 Q101 R107 LF101:2 LF102:2 R123 N.C. R111 D202 Q103 L202 SA101 12V/2.9A T101:8 R112 SSC9502 T101:2 C204...
  • Page 52 APPENDIX-A: Main assembly LCD-40E40F Version:02 PARTS No. REF. CHASSIS No.： ： ： ： CHASSIS No.： ： ： ： DESCRIPTION REMARK SSB40SM-00 SSB40SM-01 FRONT CABINET CLAPSB400000I . ← SPK SET(SSA19I) CLCG101009C0I . ← IR PCB ASS'Y CL454C2369L11 . ← LCD MODULE CLAC6VM4000R2 .
  • Page 53 APPENDIX-A: Main assembly LCD-40E40F Version:02 PARTS No. REMARK REF. DESCRIPTION CHASSIS No.： ： ： ： CHASSIS No.： ： ： ： SSB40SA-00 SSB40SA-01 FRONT CABINET CLAPSB400000I . ← SPK SET(SSA19I) CLCG101009C0I . ← IR PCB ASS'Y CL454C2369L11 . ← LCD MODULE...
  • Page 56 MIDDLE EAST SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM 3.Nev 2010 Page Update cover page: 1. Reference NO. change from SM0945004 to SM0945004-01 APPENDIX-A update: Change user’ s manual: SSB40SM-00 / SSB40SM-01 part number .(Modify P.23;14:9 picture on IB) And update main board F/W to 1.01 version.

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