Sanyo P46841-03 Service Manual
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Sanyo P46841-03 Service Manual

Sanyo P46841-03 Service Manual

Remote control digital color televisio
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TROUBLESHOOTING GUIDE

P46841-03 / P42841-05/ P42841-06
This guide is divided into 4 sections/pages depending on type of defect:
page 1)No Green LED Power Light.(LED never turns"ON")
page 2)Green LED Light is "ON", but Backlights are not "ON",or only turn"ON & then OFF".
page 3)Green LED Light is "ON", and Backlights are "ON",but there is no video/OSD.
page 4)Green LED Light turns "ON", but turns "OFF"within 10 seconds.
Please select the section/page that matches your defect and follow the flow chart.
These models & chassis versions are in this guide:
P46841-03
P42841-05
P42841-06
IT WILL NOT BE PROVIDED FOR EVERY REPAIR.
techsupport@sanyotv.com
SANYO
2012 MODELS
PLEASE KEEP THIS GUIDE.

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Summary of Contents for Sanyo P46841-03

  • Page 1: Troubleshooting Guide

    SANYO TROUBLESHOOTING GUIDE 2012 MODELS P46841-03 / P42841-05/ P42841-06 This guide is divided into 4 sections/pages depending on type of defect: page 1)No Green LED Power Light.(LED never turns“ON”) page 2)Green LED Light is “ON”, but Backlights are not “ON”,or only turn“ON & then OFF”.
  • Page 2 Digital board is not working. Replace “digital board”. (TABLE *1.0)Analog board:5VSTB Test Points 42" /46"Models 5VSTB on Analog board Confirmation Voltage Analog K17 Pin3 or Pin4 P46841-03 Z5WP P42841-05 Z5VT P42841-06 Z5VV (TABLE *2.0) Power board:5VSTB Test Points 42" /46"Models...
  • Page 3 &Power board and between Power board and panel . Panel is not working Replace panel. (TABLE *1.0)Analog board: 3.3V Test Points 42" /46"Models 3.3V on Analog board Confirmation Voltage P46841-03 Z5WP Analog k17 Pin13 3.3V P42841-05 Z5VT P42841-06 Z5VV...
  • Page 4 2nd:Replace“LCD Panel”. a panel. (TABLE *1.0)Digital board: power 12V to Tcon 42" /46"Models Digital board power to Tcon Confirmation Voltage P46841-03 Z5WP Digital K7200 Pin1 or Pin2 or Pin3 or Pin4 P42841-05 Z5VT P42841-06 Z5VV (TABLE*2.0)Main board:"LVDS Clock"Test Points...
  • Page 5 Digital board is not working. Analog board may also not be working. Replace “digital board and analog board”. (TABLE *1.0) Digital board: 3.3V Test Points 42" /46"Models 3.3V on Digital board Confirmation Voltage P46841-03 Z5WP Digital K5A Pin29 3.3 V P42841-05 Z5VT P42841-06...

  • Page 6: Table Of Contents

    SERVICE MANUAL Remote Control Digital DP46841 Color Television (U.S.A.) (CANADA) ORIGINAL VERSION Chassis No. P46841-03 NOTE: Match the Chassis No. on the unit’s back cover with the Chassis No. in the Service Manual. If the Original Version Service Manual Chassis No.

  • Page 7: Safety Instructions

    SAFETY INSTRUCTIONS SAFETY PRECAUTIONS WARNING: The chassis of this receiver has a floating ground with the potential of one half the AC line voltage in respect to earth ground. Service should not be attempted by anyone not familiar with the precautions necessary when working on this type of equipment.

  • Page 8: Service Adjustments

    SERVICE ADJUSTMENTS GENERAL This set has an On-screen Service Menu system included in Volume – Enter Service Menu the CPU that allows remote operation for most of the service adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: • Turn off the receiver and disconnect the AC power supply.

  • Page 9: On-Screen Service Menu

    ON-SCREEN SERVICE MENU Table 1. ON-SCREEN SERVICE MENU When IC5750 (Flash Memory) is replaced, check the bus data to confirm they are the same as below. See page 3 for On-Screen Service Menu access and adjustments. Index ParameterName Value NOTES: Option 2 Data (Display Panel) Option 1 and Option 2 data is initial and can be set according to adjusment information.

  • Page 10: Power Failure Circuit

    POWER FAILURE CIRCUIT Check the following if the unit is turned off by the power Internal sub_CPU on main IC 5500 is programmed so the failure detector. set will go to standby mode when there is circuit failure as described below. (Refer to“Block Diagram Power Lines”.) 1.

  • Page 11: Mechanical Disassembly

    MECHANICAL DISASSEMBLY CAUTION: This LCD TV uses several different kinds of screws. Using the correct screw is necessary to prevent damage. Lead wires must be redressed to their previous locations after servicing. The Earth sheet and gasket are provided to prevent interference to other radio and television receivers. The Earth sheet and gasket should be returned to its previous position after servicing.
  • Page 12 MECHANICAL DISASSEMBLY (Continued) POWER UNIT REMOVAL Remove 9 screws (B:3x6) to take the power unit off. MAIN BOARD AND CHASSIS BASE REMOVAL Remove 15 screws (B:3x6, 12 pcs.; F:2pcs.), and one (1) Nut (G) to take the main board off. HOLDER CHASSIS BASE REMOVAL Remove 3 screws (A:3x6, 1 pc.;...
  • Page 13 MECHANICAL DISASSEMBLY (Continued) SPEAKER REMOVAL No screws. Take away each speaker from Front Cabinet directly. RC BOARD AND BUTTON BOARD REMOVAL Remove 3 screws (C:3x10) to take the RC board and button board off. MOUNTING WALL ATTENTION – Confirm Mounting wall wire is installed when you install the back cabinet. ELECTROSTATICALLY SENSITIVE DEVICES Many solid-state devices (especially Integrated Circuits) are Electrostatically Sensitive, and, therefore, require special handling techniques as described under “Servicing...

  • Page 14: Chassis Electrical Parts List

    CHASSIS ELECTRICAL PARTS LIST CAUTION: To Protect against electrical shock and for continued product safety, refer to SAFETY PRECAUTIONS and PRODUCT SAFETY NOTICE on Page 2 PRODUCT SAFETY NOTICE PRODUCT SAFETY SHOULD BE CONSIDERED WHEN A REPLACEMENT IS MADE IN ANY AREA OF A RECEIVER. COMPONENTS INDICATED BY A IN THIS PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE.
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location ASSY,PWB ,MAIN DIGITAL-Z5WP C5515 F1G1H1020008 CERAMIC 1000P K C5516 F1G1H103A706 CERAMIC 0.01U K CAPACITORS C5517 F1G1H221A737 CERAMIC 220P J C001 F1H1H102A219 CERAMIC 1000P K C5518 F1G1C104A077 CERAMIC 0.1U K C002 F1H1H102A219 CERAMIC 1000P K...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location C5570 F1J0J106A004 CERAMIC 10U K 6.3V C5750 F1G1A105A047 CERAMIC 1U K F1J0J106A020 CERAMIC 10U K 6.3V C5902 F1G1C104A077 CERAMIC 0.1U K C5571 F1G1C104A077 CERAMIC 0.1U K C5903 F1G1A684A047 CERAMIC 0.68U K C5572 F1G1A105A047 CERAMIC...

  • Page 17: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location DIODES L5504 J0JYC0000381 “INDUCTOR , 220 OHM” L5505 J0JCC0000371 “INDUCTOR , 120 OHM” D002 B0ACCK000019 DIODE 1SS355 L5506 J0JCC0000371 “INDUCTOR , 120 OHM” B0ACDJ000007 DIODE 1SS352-(TPH3) L5507 J0JCC0000371 “INDUCTOR , 120 OHM” B0ACDJ000017 DIODE 1SS352(TH3 F T) L5508...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location B1ABDF000024 TR 2SC3928A1S D0GB470JA089 MT-GLAZE 47 JA 1/10W Q6730 B1CFRC000023 TR MCH6437-P-TL-E R5500 D0GB103JA041 MT-GLAZE 10K JA 1/10W Q6740 B1ABCE000028 TR MMBTSC3928R D0GB103JA072 MT-GLAZE 10K JA 1/10W B1ABDF000013 TR 2SC3928A1R D0GB103JA089 MT-GLAZE 10K JA 1/10W...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location R5523 D0GB103JA041 MT-GLAZE 10K JA 1/10W D0GB333JA089 MT-GLAZE 33K JA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W R5542 D0GB273JA041 MT-GLAZE 27K JA 1/10W D0GB103JA089 MT-GLAZE 10K JA 1/10W D0GB273JA072 MT-GLAZE 27K JA 1/10W R5524 D0GB391ZA037 MT-GLAZE...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location R5563 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R5585 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W R5564 D0GB750JA041 MT-GLAZE 75 JA 1/10W R5586 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB750JA072...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location R5753 D0GB103JA041 MT-GLAZE 10K JA 1/10W D0GB102JA071 MT-GLAZE 1K JA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W R6267 D0GB471JA041 MT-GLAZE 470 JA 1/10W D0GB103JA089 MT-GLAZE 10K JA 1/10W D0GB471JA069 MT-GLAZE 470 JA 1/10W R5900 D0GB101JA041 MT-GLAZE...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location D0GB470JA089 MT-GLAZE 47 JA 1/10W R6600 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R6535 D0GB470J0002 MT-GLAZE 47 JA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W D0GB470JA041 MT-GLAZE 47 JA 1/10W R6602 D0GB103JA041 MT-GLAZE 10K JA 1/10W D0GB470JA089 MT-GLAZE...
  • Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R6728 D0GB223JA041 MT-GLAZE 22K JA 1/10W ASSY,PWB,SUB_ANALOG-Z5WP D0GB223JA070 MT-GLAZE 22K JA 1/10W CAPACITORS D0GB223JA089 MT-GLAZE 22K JA 1/10W C1020 F1J0J106A004 CERAMIC 10U K 6.3V R6729 D0GB103JA041 MT-GLAZE 10K JA 1/10W F1J0J106A020 CERAMIC 10U K...
  • Page 24 Schematic Schematic Part No. Part No. Description Description Location Location F1H1C104A091 CERAMIC 0.1U K L6102 D0GDR00JA072 MT-GLAZE 0.000 ZA 1/10W C6121 F2A1C470B845 ELECT 47U M D0YDR0000036 MT-GLAZE 0.000 ZA 1/10W C6122 F2A1C221B844 ELECT 220U M L6103 J0JCC0000371 “INDUCTOR , 120 OHM” C6124 F1H1H1000022 CERAMIC...
  • Page 25 Schematic Schematic Part No. Part No. Description Description Location Location R1702 D0GB102JA071 MT-GLAZE 1K JA 1/10W MISCELLANEOUS R1707 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W A101 1LG0B10Y110AA “ASSY,PWB,SUB_ANALOG- R1708 D0GB183JA072 MT-GLAZE 18K JA 1/10W Z5WP” R1751 D0GB182JA072 MT-GLAZE 1.8K JA 1/10W A102 1LG0B10Y110AB “ASSY,PWB,RC_ANALOG- R1752...
  • Page 26 SERVICE PARTS "For Digital Main board replacement please get the correct assembly name/part number" Service Name: ASSY,PWB ,MAIN DIGITAL-Z5WP Japan BOM part number: 1LG0B10Y111A0 "For RC/LED unit replacement please get the correct assembly name/part number" Service Name: ASSY,PWB,RC_ANALOG-Z5WP Japan BOM part number: 1LG0B10Y110AB NOTE: This is a sub-assembly (A100) from ASSY,PWB,ANALOG-COMP-Z5WP "For KEY unit replacement please get the correct assembly name/part number"...

  • Page 27: Component And Test Point Locations

    COMPONENT AND TEST POINT LOCATIONS ANALOG BOARD PARTS SIDE SW1901 SW1901A SW1902 SW1904 J1658 SW1903 SW1905 SW1906 SW1902A SW1903A SW1904A SW1905A SW1907 SW1906A K2401 K1020 J1660 SW1907A K2400 C1020 J1657 J1670 J1661 J1656 J1655 JW1602 C H P R S Q V C H P R S Q V J1620 JW1603...
  • Page 28 DIGITAL BOARD PARTS SIDE C6700 R6710 R6705 C6703 K7200 K5LV RB6500 CL11 C6707 RB6501 CL10 R7409 R7413 R7411 R7414 R7412 2ndReflow L6317 L6316 ***.??? R5503 A30C5 R5504 R6307 R5528 PWB,MAIN DIGITAL Z5VT R5529 R5531 C6332 R5950 C5575 1LG4B10Y10800 R5960 R5533 R5534 C5577 C5576...
  • Page 29 POWER BOARD PARTS SIDE POWER BOARD SOLDER SIDE – 24 –...
  • Page 30 KEY_SW PARTS SIDE 1LG4B10Y1090A ***??? KEY_SW SOLDER SIDE SW1907 SW1906 SW1902 SW1905 SW1902A SW1907A SW1906A SW1905A 1LG4B10Y1090A ***??? PWB RC LED PARTS SIDE 1LG4B10Y1070D PWB ,RC_LED Z5VT A1500 ???*** ???*** K60K A30C5 A3900 PWB ,RC_LED Z5VT A30C5 D1500 1LG4B10Y1070B Q1500 PWB RC LED SOLDER SIDE R3920 R3907...

  • Page 31: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES – 26 –...

  • Page 32: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES AnalogUnit Digital Unit DDR2 Flash HDMI1 ZR39748 Memory Interface USB 2.0 HDMI2 Unit HDMI Application HDMI3 HDMI LINK System 1080p Motion Adaptive De-interlacer Dual-Audio RF-IN ATSC Processing Digital/ Digital Unit & Analog Clock Audio Tuner IF_AGC NTSC Decoder Graphics...

  • Page 33: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001_C1AB00003628_IC STA333W13TR, Audio AMP I C ctrl Protection current/thermal Interface Logic Volume control Regulators Bias Digital signal processing Power stage IC5750, Flash Memory – 28 –...
  • Page 34 IC6750_C0DBGYY02242_AP2128K-ADJTRG1 IC5500 Main Chip signal processor Stream Block AV Decode Block IF in De-modulator Transport Media Core Processor Decoder Remocon IF AVIO Block Standby Micro Block Clock (AM32) Reset Video IO Video In Decoder Video System Control Block Processor IVideo Out Audio LVDS De-mix...
  • Page 35 IC6600_C0DBZYY00485, USB Protection IC6700_C0CBAYG00009_LM1117S-ADJ IC6560_C0JBAA000502_TC7SET08FU – 30 –...
  • Page 36 IC6720_C0DBAYY01122_BD9328EFJ-E2 IC5700_C3ABSY000102_IC H5PS5162GFR-S6C – 31 –...

  • Page 37: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER Check: Power Unit fuse open? the voltage Check: Power Unit to "5V_STBY" line supplied? All 0V (except '5V_STBY' line) the voltage to all lines Check: arround supplied? MAIN IC (IC5500), Crystal (X5500), Power Unit (or the voltage to some lines is not supplied.) After a few seconds, the set will be switched off.
  • Page 38 NO VIDEO Check: RF(TV) ,Digital(TV) All Inputs? Line : A6102 12pin - IC5500 A12pin A6102 11pin - IC5500 B12pin only Parts: A6102 (TU_IF)and peripheral circuit, IC5500 Check: Line: AV1 only Term inal(CV) - IC5500 B13pin Pa rt s: IC5500 and peripheral circuit Check: AV2 only Line:...
  • Page 39 NO AUDIO Is there Check: All Modes ? signal at speaker Speaker(SPL,SPR) terminal ? Check: Is there Line : IC001 10,13pin(L),6,9pin(R) signal at IC001 ? Parts: IC001 (Audio AMP.) and peripheral circuit Check: Line: IC001 27pin - IC5500 F1pin (ACLK) IC001 30pin - IC5500 G4pin (ADATA1) IC001 29pin - IC5500 F2pin (LRCLK) IC001 28pin - IC5500 L3pin (BCLK)

  • Page 40: Schematic Notes

    SCHEMATIC NOTES NOTES ON SCHEMATIC DIAGRAMS 1. All resistance values in ohms K=1,000 M=1,000,000. 2. Resistors specified with resistance value are “1/6DJ.” 3. Resistors specified with type of resistor, tolerence and resistance value are “1/4.” 4. Unless otherwise noted on schematic, all capacitor values less than 1 are expressed in μF (Micro Farad), and the values more than 1 are in pF.

  • Page 41: Ic, Diode, And Transistor Pin Layouts

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS – 36 –...

  • Page 42: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS K39K – 37 –...

  • Page 43: Capacitor And Resistor Code Chart

    S ......Oxide Metalized Y ......Wire Wound C ......Solid D ......Carbon Film W ......Wire Wound For parts or service contact Sanyo Manufacturing Corporation P.O. Box 2000 3333 Sanyo Road Forrest City, Arkansas 72335-2000 September 2012 SMC Published in Mexico...

  • Page 44: Schematic Diagrams

    MODEL DP46841 Chassis No. P46841-03 SCHEMATIC DIAGRAMS C6334 For Debug Pch-MOSFET A12V K5DL K1KA04AA0193 Q6329 K5DL_1 B1DHDD000041 GATE_PIN K5DL_2 H:OFF UART0TX L:ON R6340 K5DL_3 R5701 ELECTROSTATICALLY SENSITIVE DEVICES R6337 UART0RX K5DL_4 D0GB101JA069 C6335 D0GB103JA072 D0GB105JA071 D3.3V C5701 C5703 Many solid-state devices (especially Integrated Circuits) are...
  • Page 45 MODEL DP46841 Chassis No. P46841-03 SCHEMATIC DIAGRAMS K16A K1KY32BA0348 K1KY40BA0348 JICON IC1600 K16B C0CBAYG00009 C1602 F2A0J221B358 LED1 C1603 INPUT F1H1H104A913 C1600 F1J0J106A004 OUTPUT CL1600 :F1J0J106A020 3.3V_STBY OUTPUT R1600 C1604 D0GB121ZA038 F2A1V471B620 ADJUST/ GROUND JICON R1601 D0GB120JA072 C1601 R1602 D0GB221Z0002 R2400...

  • Page 46: Light Sensor

    MODEL DP46841 Chassis No. P46841-03 SCHEMATIC DIAGRAMS SCREW1 SCREW_14 1 2 3 4 5 6 7 8 9 1011 121314 RC PRE AMP C3906 B3RAB0000094 R3908 A3900 D0GB221JA069 R3909 K39KA_1 D0GB221JA069 D3901 1 5V Q3900 2 GND 7T200220 D0GB221JA069 K39KA_2...
  • Page 47 MODEL DP46841 Chassis No. P46841-03 SCHEMATIC DIAGRAMS ELECTROSTATICALLY SENSITIVE DEVICES Many solid-state devices (especially Integrated Circuits) are Electrostatically Sensitive, and, therefore, require special handling techniques as described under “Servicing Electrostatically Sensitive Devices,” on page two in this service literature. POWER...
  • Page 48 MODEL DP46841 Chassis No. P46841-03 SCHEMATIC DIAGRAMS BAS316 1N5406 BCM1 100K VCC_PFC VCC_PFC JP7.5 MUR460 RP61 RP62 CEP1 CEP2 1ohm/6A 1ohm/6A 100U/450 100U/450 CFP1 CFP2 GBJ1506 PQ3220 15VS 1.5uF JUMP BCP1 BCP2 SST2222 SST2222 FR107G CEM1 RM10 RM11 RM12 BCP3...

This manual is also suitable for:

P42841-05P42841-06Dp46841

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