Sanyo DP32640 Service Manual
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Sanyo DP32640 Service Manual

Sanyo DP32640 Service Manual

Remote control digital color television
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SERVICE MANUAL
Servicing should be performed by only trained and qualified service personnel.
Contents
SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 3
ON-SCREEN SERVICE MENU . . . . . . . . . . . . . . . . . . . . . 4
POWER FAILURE CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . 5
MECHANICAL DISASSEMBLY . . . . . . . . . . . . . . . . . . . . 6
CHASSIS ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . 8
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 23
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 24
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 25
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 31
MAIN IC PROCESSOR & PERIPHERICALS . . . . . . . . . . 34
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 39
DP32640, N8LK, PRODUCT CODE 113023404
Remote Control Digital
Color Television
FILE NO.
DP32640
ORIGINAL VERSION
Chassis No. P32640-05
NOTE: Match the Chassis No. on
the unit's back cover with
the Chassis No. in the
Service Manual.
If the Original V
Service Manual Chassis
No. does not match the
unit's, additional Service
Literature is required. You
must refer to "Notices" to the
Original Service Manual
prior to servicing the unit.
Specifications
POWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
ANTENNA INPUT IMPEDANCE. . . . . . . . . . . . . . . . . 75Ω
RECEIVING CHANNEL . . . . . . . . . . . . . . . . . 2 - 13 (VHF),
REMOTE READY. . . . . . . . . 36 KEY REMOTE CONTROL
SOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . 10.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHz
SOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHz
COLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHz
CABINET DIMENSIONS
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 241mm
REFERENCE No.
(U.S.A.)
(CANADA)
ersion
122 W (AVG.)
UHF/VHF/CATV
DIGITAL
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
SM
780187
http://www.Datasheet4U.com

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Summary of Contents for Sanyo DP32640

  • Page 1: Table Of Contents

    HEIGHT ....... 559mm DEPTH INCLUDING BASE ....241mm DP32640, N8LK, PRODUCT CODE 113023404 REFERENCE No.

  • Page 2: 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 3: 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: •...

  • Page 4: 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 5: 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 6: 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.
  • Page 7 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. Inverter Unit Mounting Panel LCD PANEL REMOVAL 1. Remove 8 screws to take the mounting panel off. (A:3x6, 6pcs;...

  • Page 8: 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 9 Schematic Schematic Part No. Part No. Description Description Location Location “ASSY,PWB,DIGITAL_Z-N8LJ” C5527 F1G1H103A706 CERAMIC 0.01U K C5528 F1G1C104A077 CERAMIC 0.1U K CAPACITORS C5531 F1G1C104A077 CERAMIC 0.1U K C001 F1G1C104A077 CERAMIC 0.1U K C5532 F1J0J106A004 CERAMIC 10U K 6.3V C003 F1G1C104A077 CERAMIC 0.1U K F1J0J106A020...
  • Page 10 Schematic Schematic Part No. Part No. Description Description Location Location C5580 F1G1A105A047 CERAMIC 1U K C6600 F1G1C104A077 CERAMIC 0.1U K C5581 F1G1E473A091 CERAMIC 0.047U K C6601 F1G1A105A047 CERAMIC 1U K C5583 F1G1E473A091 CERAMIC 0.047U K C6602 F2G1C471A066 ELECT 470U M C5585 F1G1H103A706 CERAMIC...
  • Page 11 Schematic Schematic Part No. Part No. Description Description Location Location COILS B1ABDF000013 TR 2SC3928A1R B1ABDF000024 TR 2SC3928A1S L001 J0JCC0000371 “INDUCTOR , 120 OHM” Q6721 B1ABCE000028 TR MMBTSC3928R L002 G1C220MA0445 “INDUCTOR ,22UH” B1ABDF000013 TR 2SC3928A1R L003 G1C220MA0445 “INDUCTOR ,22UH” B1ABDF000024 TR 2SC3928A1S L004 G1C220MA0445 “INDUCTOR ,22UH”...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location R5538 D0GB273JA072 MT-GLAZE 27K JA 1/10W R5598 D0GB101JA069 MT-GLAZE 100 JA 1/10W R5539 D0GB333JA070 MT-GLAZE 33K JA 1/10W R5599 D0GB103JA072 MT-GLAZE 10K JA 1/10W R5540 D0GB273JA072 MT-GLAZE 27K JA 1/10W R5650 D0GBR00JA071 MT-GLAZE...
  • Page 13 Schematic Schematic Part No. Part No. Description Description Location Location R6546 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R6757 D0GB103ZA038 MT-GLAZE 10K FA 1/10W R6547 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R6758 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W R6549 D0GB223JA070 MT-GLAZE 22K JA 1/10W RB5501 D1HY2204A012 R-NETWORK...
  • Page 14 Schematic Schematic Part No. Part No. Description Description Location Location F2A1V4710082 ELECT 470U M C6102 F1H1H102A219 CERAMIC 1000P K C704 CE1V471M6QANC ELECT 470U M C6104 F1H1H2700008 CERAMIC 27P J F2A1V4710082 ELECT 470U M C6105 F1H1H2700008 CERAMIC 27P J C705 CE1V471M6QANC ELECT 470U M C6106...
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location DDDA2J10100LG DIODE DA2J10100L B0ACDJ000007 DIODE 1SS352-(TPH3) D620 B0BC01700015 ZENER DIODE UDZS18B-TE-17 DDDA2J10100LG DIODE DA2J10100L B0BC018A0383 ZENER DIODE MM3Z 18B D1661 B0JCND000033 DIODE CRS20I30A DZDZ2J180M0LG ZD DIODE DZ2J180M0L B0JCND000034 DIODE CRS20I30A D621 B0ACCK000005 DIODE 1SS355-TE-17...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location L1702 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W B1ABDF000024 TR 2SC3928A1S L1703 J0JYC0000381 “INDUCTOR , 220 OHM” Q608 B1ABCE000028 TR MMBTSC3928R L1704 J0JYC0000381 “INDUCTOR , 220 OHM” B1ABDF000013 TR 2SC3928A1R L1705 D0GDR00JA072 MT-GLAZE 0.000 ZA 1/10W B1ABDF000024 TR 2SC3928A1S...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location R637 D0GB104JA068 MT-GLAZE 100K JA 1/10W R742 D0GB102JA071 MT-GLAZE 1K JA 1/10W R638 D0GZ150JA018 MT-GLAZE 15 JA 1/4W R743 D0GB102JA071 MT-GLAZE 1K JA 1/10W R639 D0GZ100JA018 MT-GLAZE 10 JA 1/4W R744 D0GB102JA071 MT-GLAZE...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location R1791 D0GB101JA069 MT-GLAZE 100 JA 1/10W MISCELLANEOUS R1792 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W A100 1AA0B10N302A0 “ASSY,PWB,DIGITAL_Z-N8LJ” R1797 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W A200 1AA0B10N30600 “ASSY,PWB,ANALOG-COMP- R1800 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W N8LK”...
  • Page 19 SERVICE PARTS "For Digital board replacement please get the correct assembly name/part number" Service Name: ASSY,PWB,DIGITAL_Z-N8LJ Japan BOM part number: 1AA0B10N302A0 "For Analog-power board replacement please get the correct assembly name/part number" Service Name: ASSY,PWB,PWR_ANALOG-N8LK (Power and analog blocks are in the same PWB). Japan BOM part number: 1AA0B10N3060A NOTE: This sub assembly (A201) is from ASSY,PWB,ANALOG-COMP-N8LK (A200) "For KEW_SW unit replacement please get the correct assembly name/part number"...

  • Page 20: Component And Test Point Locations

    COMPONENT AND TEST POINT LOCATIONS DIGITAL BOARD PARTS SIDE K5LV C6700 R6710 R6705 C6703 2ndReflow 1LG4B10Y06900 PWB,MAIN DIGITAL N7AP L6314 L6312 L6310 ***.??? C6707 CL11 K6500 L6315 L6313 L6311 A30C5 R5503 R5504 K56CPU R6307 CL10 R5528 R5529 R5531 C6332 C5575 IC5500 R5533 R5950...
  • Page 21 CONTROL BOARD PART SIDE SW1902 SW1902A SW1901 SW1903 SW1904 SW1905 SW1906 SW1907 SW1901A MENU SW1903A SW1904A SW1905A SW1906A SW1907A POWER INPUT VOL.+ VOL.- CH.+ CH.- K19CTRB L1901 (4PIN) J1901 K19K PWB,KEY_SW N8LJ K19CTRA 1LG4B10Y0660B K19CTR (4PIN) (8PIN) A30C5 SIDE SIDE CONTROL BOARD SOLDER SIDE SW1901A SW1901...
  • Page 22 ANALOG-POWER BOARD PART SIDE ANALOG-POWER BOARD SOLDER SIDE – 22 –...

  • Page 23: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES – 23 –...

  • Page 24: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES BLOCK DIAGRAM SIGNAL LINES DP26640/DP32640 (N8MJ/N8LJ) IC5700 IC5750 DDR2 D3.3V D1.8V_DDR 512Mbit (64Mbit) (400MHz) Video2 IC5500 (Component/ S/P DIF Composite) Video3 (Component) MPEG2 DEMUX Video UART(Debug) Decode HDMI1 (or DVI) 3.3V 1.8V HDMI HDMI2 (MIPS) Scalar 1.1V...

  • Page 25: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001, Audio AMP – 25 –...
  • Page 26 IC BLOCK DIAGRAMS (CONT.) IC1600, IC1640 DC to DC Converter IC1620, DC-DC converter – 26 –...
  • Page 27 IC5650, IC5660, IC5900 Voltage detector IC5750, Flash Memory – 27 –...
  • Page 28 IC BLOCK DIAGRAMS (CONT.) IC5500 Main Chip signal processor JTAG/EJTAG CPU (300 MHz) Control Memory Interface Unit (MIF) 8VSB/QAM/ NTSC/BTSC/A2K DEMOD Xport Demux Memory Interface Unit Commom MPEG2 Decode Unit 1080P Motion Adaptive De-Interlacer 3rd Generation TCON HDMI Link List LVDS Output Graphics HDMI...
  • Page 29 IC6250, Voltage comparator IC5700, DDR: Double Data Rate SDRAM – 29 –...
  • Page 30 IC BLOCK DIAGRAMS (CONT.) IC6500, IC6530, IC6560, Logic AND gate IC 6600, USB Protection – 30 –...

  • Page 31: 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 32 TROUBLESHOOTING FLOW CHARTS (CONT.) NO VIDEO Trouble Shooting Video US1Y(26-N8MJ/32-N8LJ) Check: RF(TV) ,Digital(TV) All Inputs? Line: A6100 21pin - IC5500 A12pin A6100 20pin - IC5500 B12pin only Parts: Around A6100 (TU_IF), IC5500 Check: AV1 only Line: Ter minal(CV) - IC5500 B13pin Parts: Around IC5500 Check: AV2 only...
  • Page 33 TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO Is there Check: All Modes ? signal at speaker Speaker (SP901, SP902) terminal ? Is there Check: signal at IC001 ? Line: IC001 30,24pin(L), 21,15pin(R) Parts: Around IC001 (Audio AMP.) Check: Line: IC001 37pin - IC5500 F1pin (ACLK) IC001 3pin - IC5500 G4pin (AD ATA1) IC001 4pin - IC5500 F2pin (LRCLK)

  • Page 34: Main Ic Processor & Periphericals

    MAIN IC PROCESSOR & PERIPHERICALS DDR2 SPI Flash 512Mbit (64Mbit) (400MHz) Video2 (Component/ Composite) Video3 DEMUX MPEG2 (Component) Video Decode HDMI1 HDMI2 (MIPS) UART(Debug) (or DVI) port HDMI2 HDMI UART(Factory) HDMI1 Scalar (or DVI) port Clock HDMI3 HDMI0 (25MHz) Audio (or DVI) NTSC port...

  • Page 35: 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 36: Ic, Diode, And Transistor Pin Layouts

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

  • Page 37: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS – 37 –...

  • Page 38: 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 May 2011 SMC Published in Mexico...

  • Page 39: Schematic Diagrams

    MODEL DP32640 Chassis No. P32640-05 SCHEMATIC DIAGRAMS For Debug C6334 ELECTROSTATICALLY SENSITIVE DEVICES K5DL J10AU045N Pch-MOSFET A12/15V K5DL_1 Many solid-state devices (especially Integrated Circuits) are Electrostatically K5DL_2 UART0TX R5701 *Q6329 K5DL_3 Sensitive, and, therefore, require special handling techniques as described under...
  • Page 40 MODEL DP32640 Chassis No. P32640-05 SCHEMATIC DIAGRAMS T602 B4L51B1830N D628A D629 2HEA0432-- SCREW DDXLBB086 C706 T602H8 :SBT80-06JS R628 2SJ0.15D D629B ZB13 SCB1 SCB2 :ZB29 L605 12VH 1 2 3 4 5 67 1 2 3 4 5 67 Q601ADA :ZAV6120KE24...
  • Page 41 MODEL DP32640 Chassis No. P32640-05 SCHEMATIC DIAGRAMS K16A K16B R2400 1/10GZ0C JW1603 PC_AUDIOL B4J11B0500N B4J11B0740N R2418 GND_FLM R2402 IC2401 LED1 K2401 QXXAVD258P B4J12B11900 R2401 3.3V_STBY C2410 V_SYNC 1/10GZ0C SC2400 KZ0.1GQF PC_AUDIOR K2401_2 C1602 IC1600 PC_VSYNC SC2401 K2401_3 LM1117S-ADJP 6.3EM220LBVD R2416...

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