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Sanyo FVM4612 Service Manual

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Service Manual

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 by
electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or
products dealt with in this service information by anyone else could result in serious injury or death.
There are special components used in this equipment which are important for safety. These are marked by
Circuit Board Diagrams. Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with
manufacture's specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of manufacturer.
Model No.
FVM4612
DP46132
DP46132M
WARNING

IMPORTANT SAFETY NOTICE

1
 
Service Reference No.
P46142-03
P46142-04
P46142M-04
in the Schematic Diagrams,
Sanyo Manufacturing Corp. 3333
Sanyo Road, Forrest City, AR 72335
Printed in China, Dec, 2012
LCD TV

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  Summary of Contents for Sanyo FVM4612

  • Page 1: Service Manual

    Circuit Board Diagrams. Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacture’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of manufacturer. Sanyo Manufacturing Corp. 3333 Sanyo Road, Forrest City, AR 72335 Printed in China, Dec, 2012  ...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page 1 Safety Precaution ------------------------------------------------------------------------------------------------ 3 1.1. General Guidelines ---------------------------------------------------------------------------------------- 3 2 Warning ------------------------------------------------------------------------------------------------------------- 4 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive(ES) Devices 4 2.2. About lead free solder (PbF) ---------------------------------------------------------------------------- 5 3 Service Navigation ----------------------------------------------------------------------------------------------- 6 3.1.
  • Page 3: Safety Precaution

    1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 4: Warning

    2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components.
  • Page 5: About Lead Free Solder (Pbf)

    2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
  • Page 6: Service Navigation

    3 Service Navigation 3.1 Service Hint Power Board Main Board Key Board IR Board Remarks Board Name Function SPDIF,COMPONENT/AV IN, ANTENNA/DTV/TV, Main Board PC IN,PC/DVI IN/AUDIO, HDMI(HDMI1/DVI,HDMI2,HDMI3),USB PORT boards serviceable and should IR Board Remote Receiver, LED be exchanged for service Power Board Power (AC/DC), DC-DC Key Board...
  • Page 7: Applicable Signals

    3.2. Applicable signals Horizontal Vertical Freq. Nominal Pixel Resolution HDMI-DVI Component Freq. (KHz) (Hz) Clock (MHz) 640x480@60Hz ● ● 31.469 59.940 25.175 720x400@70Hz ● ● 31.469 70.087 28.322 800x600@60Hz ● ● 37.879 60.317 40.000 1024x768@60Hz ● ● 48.363 60.004 65.000 1280x720@60Hz ●...
  • Page 8: Specifications

    4 Specifications Panel Type • • 46" Panel Size Maximum Visible Range • 1018.08(H)× 572.67(V) Refresh Rate • 60 Hz Picture Resolution • Full HD (1920x1080) • 178°(H), 178°(V) Viewing Angle 350 cd/m 2 Brightness • Contrast Ratio • 3000:1 (Typical) Voltage •...
  • Page 9: Troubleshooting Guide

    5. Troubleshooting Guide 5.1 No Power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board Replace the Power board output=5.2V? 1. RC can turn on the TV and Key can’t, replace the key board. Use RC or Key to turn on 2.
  • Page 10: Abnormal Display

    5.2 Abnormal Display Abnormal Display Check the OSD is Enter factory mode Reset   normal? to Reset Replace LVDS Cable Replace the main board Replace the main board Replace the panel  ...
  • Page 11: No Display

    5.3 No Display No display (LED No power (LED “Off”) Check TV is under control and power Replace the main board   on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the PS-ON and ON/OFF signal is available? Reinsert or replace the...
  • Page 12: Sound Problem

    5.4 Sound Problem No sound or sound abnormal Check the TV is muted, adjust the volume or enter the menu to reset? Check the audio source connection Replace the main board and the TV system are correct? Replace the speaker Replace the main board  ...
  • Page 13: Remote Control Malfunction

    5.5 Remote Control Malfunction Remote Control malfunction Check the remote control battery is Replace the battery   not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board  ...
  • Page 14: Disassembly And Assembly Instructions

    6. Disassembly and Assembly Instructions 1. Remove the screws to remove the stand. 2. Remove the screws to remove the rear cover.  ...
  • Page 15 3. Unplug these connectors and cable clip on the IR board、Key board、main board and power board 4. Remove the screws to remove the IR Board、Key Board、Main Board、 Power Board and Deco Bezel.  ...
  • Page 16 5. Remove the speakers 6. Remove the screws to remove the BKT and cover hinge.  ...
  • Page 17 7. Unplug the LVDS. 8. Remove the panel.  ...
  • Page 18: Block Diagram

    7 Block Diagram Main Board Tuner LVDS LCD PANEL ENV56U04D8F DDRII K4T51163QJ-BCF7 VIDEO CVBS (Share with YPbPr Y) FLASH ROM YPbPr YPbPr MX25L3206EM2I-12G GPIO M24C02 Hsync, Vsync EJTAG MSD3402QT-LF HDMI_1 TMDS AT24C04BN HDMI_2 TMDS TMDS HDMI_3 Audio Amplifier SPEAKER OUTPUT STA381BWTR VIDEO &...
  • Page 19: Schematic Diagram

    8. Schematic Diagram 8.1 Main Board 715G5451M01001004K space/trace/space/trace/space(mil) ENV56U04D8F 25 / 12 / 12 ET-29DHR TU101 ENV56U04D8F C101 C102 C103 Place close to U401 100N16V 1UF16V Place close to TU101 0402 2N2 50V C134 RF Input NC/390pF C104 2.2uF 10V C105 100N16V R179...
  • Page 20 VCC3_3 AV Input R133 R134 NC/22K NC/22R (Share with YPbPr_Y) 0402 0402 (Back) Y PbPr_Y C123 NC/2.2U10V R135 NC/100R Q101 0402 NC/MMBT3904 R136 AV_CVBS AV_CVBS NC/47K 0402 R137 NC/1K 0402 Video signal detect VCC3_3 Active Low R166 33 OHM 1/16W 0402 For BBY Project VCC3_3...
  • Page 21 Run As 100 Ohm Differential Pairs space/trace/space/trace/space(mil) 25 / +5VSB CN506 HDMI U504 NC/AZ1045-04F.R7G HDMI 0 Trace (mil) SHLD0 HDMI1_D2P HDMI1_CLKN HDMI CEC Function 3857.34 HDMI1_CLKN TMDSD2+ ZD501 HDMI1_CLKP HDMI1_CLKP SHLD2 DSHLD0 HDMI1_D2N 3924.65 TMDSD2- HDMI1_D1P HDMI1_D0N NC/BAT54 3V3_STB TMDSD1+ HDMI1_D0N HDMI1_D0P 3753.36...
  • Page 22 U401C SPI Flash U405 should be programmed SPI_CS_N SPI_CSZ SPI_SDO U401D before soldering on PCB SPI_DO SPI_SDI Chip Config Place parts very SPI_DI SPI_SCK close to U401 SPI_CK 3V3_STB AUSD_OUT R401 4.7K 0402 3V3_STB VGA_R- C401 47N16V 0402 BL_ON_OFF VGA_R- BL_ON_OFF RIN0M GPIO_PM0...
  • Page 23 Sound Bar Function for BBY Project VCC3_3 3V3_STB 3V3_STB VCC3_3 UART1_RX R447 NC/33R 0402 UART1_RX R448 C435 R449 NC/33R 0402 UART1_TX UART1_TX U413 NC/10K CN403 U410 0402 0402 C436 NC/100N16V NC/PHONE JACK R450 NC/74CBTLV1G125GW 0402 TXD_OUT NC/10K FB401 NC/30R I-Link DOUT1 RXD_IN 0402...
  • Page 24 512Mb 800MHz (32Mx16) DDRII 056G 615159 K4T51163QJ-BCF7 VCC1_8 056G 615147 H5PS5162GFR-S6C 056G 615131 NT5TU32M16DG-AC C452 C453 C454 C455 C456 C457 C458 C459 C460 C461 100N16V 100N16V 100N16V 100N16V 100N16V 100N16V 100N16V 10N 50V 1uF 10V 10uF 1Gb 800MHz (64Mx16) DDRII 0402 0402 0402...
  • Page 25 space/trace/space/trace/space(mil) R479 24" -> 1K VCC1_8 AVDD_DDR 25 / 32" -> NC R478 0 OHM 1/8W U401B PANEL_POWER C465 C466 C467 C468 VCC3_3 PANEL_PW 100N16V 100N16V 100N16V 10UF 0402 0402 0402 LVDS_D0O_P C469 C470 R479 CN408 R_ODD7/LB0P/RLV6P LVDS_D0O_N CONN R480 R_ODD6/LB0N/RLV6N LVDS_D1O_P 0.1uF 50V...
  • Page 26 AMP_3V3 EarP_R EarP_L R665 VCC3_3 AMP_24V NC/10K R662 NC/33R C607 NC/47pF 50V C608 NC/47pF 50V 0402 0402 0402 R606 R607 100K 1/10W 1% R608 100K 1/10W 1% PD_MUTE R663 NC/10K Q603 C609 C610 C611 C612 C6B5 NC/10K CN602 NC/MMBT3904 0.1uF 50V 100UF 35V EARPHONE_DET HP_MUTE...
  • Page 27 7/2 Add R750 VCC3_3 +5VSB VCC3_3 3,5,6,7,9,10 +5VSB Standby Power 3,5,6,7,9,10 3V3_STB PWR_OK R701 100 OHM R750 R702 R703 PWR_OK P24V R704 100 OHM PS_ON NC/4.7K 4.7K 4.7K 6,9,10 P12V BL_EN FB701 300R 0.2A R705 NC/0.05R +5VSB U701 3V3_STB AZ1117D BL_DIM From FB702...
  • Page 28 MSD3402QT-LF GPIO Pin Table Signal MSD3402QT-LF GPIO # Internal Default after Function TYPE pull-up/down? RESET SPI_CS_N GPIO0 (SPI_CSZ) High SPI_SCK GPIO1 (SPI_CK) SPI_SDI GPIO2 (SPI_DI) AT24C04BN STA381BWTR Touch Key SPI_SDO GPIO3 (SPI_DO) PU 2.5V M_I2C IR_IN GPIO4 (IRIN) PU 2.5V IR Input HDMITX_CEC GPIO5 (CEC)
  • Page 29: Power Board

    8.2 Power Board 715G5246P01W22002H FB9803 D9802 IN5408G-04 BEAD for 4000series 3.3V RV9902 FB902 FB9804 FB9801 CN903 560V BEAD BEAD FMNS-1106S BEAD R9330 D9801 R9329 T9301 47 OHM 1/4W POWER X'FMR L9801 0.1R R9331 FB9802 C9833 R9325 R9327 47 OHM 1/4W SG9904 BD9901 47pF...
  • Page 30 D8120 L8101 24V-LED FME-220B VLED R8154 R8155 C8118 C8108 100K 100K R8156 100K 120uF 100V 120uF 100V 33UH Q8101 R8145 300K OHM 1% AOTF454FL R8147 221K +-1% 1/8W R8161 2R2 +-5% 1/8W R8177 R8157 12V_LED R8175 0R05 10K 1/8W 1% 0.03R R8144 R8158...
  • Page 31 IC8501 IC8502 IC8503 LED-COMP COMP LED-COMP LED-COMP FLAG COMP COMP 12V_LED ISET FLAG FLAG LED-1 12V_LED ISET 12V_LED ISET R8501 LED-6 LED-2 C8501 R8502 R8503 C8502 C8503 C8158 C8157 C8529 C8523 IC8504 IC8506 IC8505 COMP LED-COMP COMP LED-COMP LED-COMP FLAG COMP FLAG 12V_LED...
  • Page 32: Key Board

    8.3 Key Board 715G5298K01000004S SW01 VOL+ 2.48V~2.72V TACT SW FWRD H1.5MM 7K5 1/8W +/-1% SW02 VOL- 2.04V~2.22V TACT SW FWRD H1.5MM 2K7 1/8W 1% SW03 1.58V~1.79V TACT SW FWRD H1.5MM 1K8 +/-1% 1/8W CN01 SW04 FUNC_KEY 1.24~1.45V PWR-SW TACT SW FWRD H1.5MM CONN 1K 1/8W 1% SW05...
  • Page 33: Ir Board

    8.4 IR Board 715G4938R01000004S VCC_STBY EMI_GND R0201 R0202 330R 1/16W 5% 330R 1/16W 5% LED0201 Green Yellow VCC_STBY Q0201 Q0202 PDTC114EU PDTC114EU VCC_STBY LED1_ON FB0201 600R/200mA FB0202 CN0201 600R/200mA 356G0927063 R0204  ノ R0203 47R 1/16W 5% FB0203 600R/200mA 2K7 1/16W 5% LED2_STBY FB0204 600R/200mA...
  • Page 34: Wiring Connection Diagram

    9 Wiring Connection Diagram 9.1. Caution statement. Caution: Please confirm that all flexible cables are assembled correctly. Also make sure that they are locked in the connectors. Verify by giving the flexible cables a very slight pull. 9.2. Wiring 8  1 ...
  • Page 35: Exploded View And Replacement Parts List

    10 Exploded View and Replacement Parts List 10.1. Exploded View  ...
  • Page 36: Replacement Parts List

    10.2. Replacement Parts List Safety Ref. No. Panasonic Model Name Part Name & Description Remarks TPV P/N Part (Location) (Usage) Deco Bezel P34T1099ADT01L02BB FVM4612 IR Board IRPFBXCB FVM4612 LCD Panel TPT460HM01XA500LX0 FVM4612 Power Board PLTVCR808XXA3 FVM4612 756TXCCB01K0730001 Main Board- CBPFC3NKA7 FVM4612...
  • Page 37 FVM4612 LVDS Cable CN408-PANEL 395G801851LY95 FVM4612 Cable CN902-CN701 095G801313X909 FVM4612 SCREW 0M1G1740 12 47 CR3(M4*12)  ...

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