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Sanyo DP32640 Service Manual

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TROUBLESHOOTING GUIDE

DP32640-11 / DP32642-00
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:
DP32640-11
DP32642-00
PLEASE KEEP THIS GUIDE.
IT WILL NOT BE PROVIDED FOR EVERY REPAIR.
techsupport@sanyotv.com
SANYO
2011 MODELS
2011/01/04
2011-4A

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  Summary of Contents for Sanyo DP32640

  • Page 1: Troubleshooting Guide

    SANYO TROUBLESHOOTING GUIDE 2011 MODELS DP32640-11 / DP32642-00 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 Replace “analog board”. Digital board is not working. Replace “digital board”. (TABLE *1.0)Analog board:5VSTB Test Points 32" Models 5VSTB on analog board Confirmation Voltage DP32640-11 N8LA Analog K17 Pin4 or Pin 5 DP32642-00 Z6TE (TABLE *2.0) Power board:5VSTB Test Points 32" Models...
  • Page 3 Repair Flow Chart:Trouble Condition Green Power is on,but LCD backlights are not on. Backlights do not turn on, or only turn on and back off. Power LED turns ON, but LCD backlight is not ON or only turned ON and then back OFF.
  • Page 4 2nd:Replace“LCD Panel”. a panel. (TABLE*1.0)Main board:"LVDS Clock"Test Points 32" Models LVDS Clock on digital board DP32640-11 N8LA K5LV Pin#26 clock+ DP32642-00 Z6TE K5LV Pin#28 clock- Note:The bandwidth of the oscilloscope and probe must be at least 100MHZ or higher to check if the clock pluse exists.
  • Page 5 Repair Flow Chart:Trouble Condition Power LED turns OFF within 10 sec of power ON. Power LED turns OFF within 10 sec of power ON. On analog board: No:0V Is 3.3V supplied to“K17 Pin1”during LED ON time? No:0V On digital board: Is 3.3V supllied to “K5A Pin29”? Digital board is not working.
  • Page 6: Table Of Contents

    HEIGHT ....... 559mm DEPTH INCLUDING BASE ....241mm DP32640, N8LA, PRODUCT CODE 113023404 REFERENCE 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 – the CPU that allows remote operation for most of the Enter Service Menu 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 IC7600 (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: Speaker Removal

    MECHANICAL DISASSEMBLY (Continued) MAIN (DIGITAL) ANALOG BOARD AND BOARD MAIN (DIGITAL) BOARD REMOVAL Remove 8 screws (B:3x10) to take the analog board and the main (digital) board off. ANALOG BOARD ATTENTION – The earth sheet should be returned to its previous position after servicing.
  • Page 13: 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 14 Schematic Schematic Part No. Part No. Description Description Location Location C5511 F1G1H1020008 CERAMIC 1000P K CABINET PARTS C5512 F1G1C104A077 CERAMIC 0.1U K 1JC0BUM0616— 42’ BUTTON UNITED-Z5VE C5513 F1G1C104A077 CERAMIC 0.1U K 1JC0CAM0715-A 32’ CABINET FRONT-N8LE C5514 F1G1H1020008 CERAMIC 1000P K 1JC0CBM0543—...
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location C5568 F1G1H1020008 CERAMIC 1000P K C5750 F1G1A105A047 CERAMIC 1U K C5569 F1G1C104A077 CERAMIC 0.1U K C5902 F1G1C104A077 CERAMIC 0.1U K C5570 F1J0J106A004 CERAMIC 10U K 6.3V C5903 F1G1A684A047 CERAMIC 0.68U K F1J0J106A020 CERAMIC 10U K...
  • Page 16: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location INTEGRATED CIRCUITS TRANSISTORS IC001 C1AB00003628 IC STA333W13TR Q6329 B1CHPD000006 TR CPH3338-T-TL-E IC5500 C1AB00003859 IC ZR39748BGCG-A3 Q6331 B1ABCE000028 TR MMBTSC3928R IC5700 C3ABSY000102 IC H5PS5162GFR-S6C B1ABDF000013 TR 2SC3928A1R IC5750 QXXAAJQ1300— IC S25FL064P0XMFI0 N8LJ B1ABDF000024 TR 2SC3928A1S IC5900...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location D0GB101JA089 MT-GLAZE 100 JA 1/10W D0GB101JA069 MT-GLAZE 100 JA 1/10W R015 D0GB222JA041 MT-GLAZE 2.2K JA 1/10W D0GB101JA089 MT-GLAZE 100 JA 1/10W D0GB222JA072 MT-GLAZE 2.2K JA 1/10W R5519 D0GB101JA041 MT-GLAZE 100 JA 1/10W D0GB222JA089 MT-GLAZE 2.2K JA 1/10W...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W R5539 D0GB333JA041 MT-GLAZE 33K JA 1/10W D0GB333JA070 MT-GLAZE 33K JA 1/10W R5561 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB333JA089 MT-GLAZE 33K JA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W R5540 D0GB273JA041 MT-GLAZE...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location D0GB101JA089 MT-GLAZE 100 JA 1/10W D0GB103JA089 MT-GLAZE 10K JA 1/10W R5584 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R5753 D0GB103JA041 MT-GLAZE 10K JA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W R5585 D0GBR00JA071 MT-GLAZE...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location D0GB103JA089 MT-GLAZE 10K JA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W D0GB103JA089 MT-GLAZE 10K JA 1/10W R6564 D0GB470J0002 MT-GLAZE 47 JA 1/10W R6348 D0GB103JA041 MT-GLAZE 10K JA 1/10W D0GB470JA041 MT-GLAZE 47 JA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location D0GB221ZA068 MT-GLAZE 220 FA 1 /10W D0GB103JA072 MT-GLAZE 10K JA 1/10W D1BB2200A055 MT-GLAZE 220 FA 1 /10W D0GB103JA089 MT-GLAZE 10K JA 1/10W R6709 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R6755 D0GB681ZA037 MT-GLAZE 680 FA 1/10W D0GBR00Z0002...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location C6117 F1H1C104A091 CERAMIC 0.1U K TRANSISTORS C6118 F1H1C104A091 CERAMIC 0.1U K Q1610 B1ABCE000028 TR MMBTSC3928R C6121 F2A1C470B845 ELECT 47U M B1ABDF000013 TR 2SC3928A1R C6122 F2A1C221B844 ELECT 220U M B1ABDF000024 TR 2SC3928A1S SC2405 F1H1H100A831 CERAMIC...
  • Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R1792 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W MISCELLANEOUS R1797 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W A100 1LG0B10Y09100 “ASSY,PWB,ANALOG-COMP- R1800 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W N8LA” R1803 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W A101 1LG0B10Y0910A “ASSY,PWB,SUB_ANALOG- R1804...
  • Page 24 SERVICE PARTS "For Digital board replacement please get the correct assembly name/part number" Service Name: ASSY,PWB,DIGITAL_Z-N8LA Japan BOM part number: 1LG0B10Y09200 "For Analog board replacement please get the correct assembly name/part number" Service Name: ASSY,PWB,PWR_ANALOG-Z6JE Japan BOM part number: 1LG0B10Y0820A NOTE: This is a sub-assembly (A201) from ASSY,PWB,ANALOG-COMP-Z6JE "For RC_LED unit replacement please get the correct assembly name/part number"...
  • Page 25: Component And Test Point Locations

    COMPONENT AND TEST POINT LOCATIONS ANALOG BOARD PARTS SIDE J1626 J1628 PWB ANALOG.N8LA K8FRA J1627 1LG4B10Y0960A JW1602 *** ??? J1630 J1625 J1631 PWB RC_LED PARTS SIDE J1624 J1611 J1610 J1609 J1601 J1607 JW1601 J1667 J1617 J1616 J1632 J1602 J1615 J1676 J1675 A30C5 J1608...
  • Page 26 COMPONENT AND TEST POINT LOCATIONS DIGITAL BOARD PARTS SIDE K5LV C6700 R6710 R6705 C6703 2ndReflow 1LG4B10Y0880A PWB,MAIN DIGITAL Z6JE RB6500 L6314 L6312 L6310 ***.??? CL11 C6707 RB6501 L6315 L6313 L6311 A30C5 R5504 R5503 R6307 CL10 R5528 K56CPU R5529 R5531 C6332 C5575 IC5500 R5533...
  • Page 27 POWER BOARD PART SIDE POWER BOARD SOLDER SIDE – 22 –...
  • Page 28: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES – 23 –...
  • Page 29: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES SignalBlockDiagram MAIN(DIGITAL) Unit IC5700 ANALOG Unit IC5750 DDR2 Flash HDMI1 ZR39748 IC5500 Memory IC6600 Interface USB 2.0 HDMI2 HDMI Unit PH Y Application KEY SW1 HDMI LIN K KEY SW2 1080p Motion System Adaptive De-interlacer Dual-Audio RF-IN A6102 ATSC Digital...
  • Page 30: 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 – 25 –...
  • Page 31 IC BLOCK DIAGRAMS (CONT.) 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...
  • Page 32 IC6650, USB Protection IC6700_C0CBAYG00009_LM1117S-ADJ IC6560_C0JBAA000502_TC7SET08FU – 27 –...
  • Page 33 IC BLOCK DIAGRAMS (CONT.) IC6720_C0DBAYY01122_BD9328EFJ-E2 IC5700_C3ABSY000102_IC H5PS5162GFR-S6C – 28 –...
  • Page 34: 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 35 TROUBLESHOOTING FLOW CHARTS (CONT.) 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 36 TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO Is there Check: All Modes ? signal at speaker Speaker(SP901,SP902) 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 37: 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 38: Ic, Diode, And Transistor Pin Layouts

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS – 33 –...
  • Page 39: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS – 34 –...
  • Page 40: 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 February 2012 SMC Published in Mexico...
  • Page 41: Schematic Diagrams

    MODEL DP32640 Chassis No. P32640-11 SCHEMATIC DIAGRAMS K16A K1KY32BA0348 K1KY40BA0348 IC1600 JICON K16B C1602 C0CBAYG00009 CEXLB0J221UGJ LED1 C1603 INPUT F1H1H104A913 C1600 OUTPUT F1J0J106A004 :F1J0J106A020 CL1600 3.3V_STBY OUTPUT R1600 C1604 D0GB121ZA038 CEXLB1V471UGJ ADJUST/ PGND GROUND JICON R1601 D0GB120JA072 PGND C1601 R1602...
  • Page 42 MODEL DP32640 Chassis No. P32640-11 SCHEMATIC DIAGRAMS 32INCH N8LA 1LG0B10Y09100 1LG4B10Y0960B SCREW1 SCREW_14 1 2 3 4 5 6 7 RC PRE AMP 8 9 1011 121314 B3RAB0000094 C3906 R3908 A3900 D0GB221JA069 R3909 K39K_1 D0GB221JA069 D3901 1 5V Q3902 K39K_G...
  • Page 43 MODEL DP32640 Chassis No. P32640-11 SCHEMATIC DIAGRAMS For Debug C6334 K5DL Pch-MOSFET K1KA04AA0193 A12/15V K5DL_1 K5DL_2 B1CHPD000006 UART0TX R5701 Q6329 K5DL_3 UART0RX D0GB101JA069 GATE_PIN K5DL_4 H:OFF D3.3V C5703 L:ON R6340 C5701 F1G1C104A077 R6337 F1G1C104A077 ELECTROSTATICALLY SENSITIVE DEVICES C6335 D0GB103JA072 D0GB105JA071...