Sanyo DP55360 Service Manual
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Sanyo DP55360 Service Manual

Sanyo DP55360 Service Manual

Remote control digital color television
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See also: Owner's Manual

SERVICE MANUAL

Remote Control Digital
Color Television
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 . . . . . . . . . . . . . . . 10
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 28
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 29
120 HZ POWER LINES . . . . . . . . . . . . . . . . . . . . . . . . . . 30
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 31
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 37
CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 40
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 47
DP55360, N8TE, PRODUCT CODE 113024004
FILE NO.
DP55360
ORIGINAL VERSION
Chassis No. P55360-00
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. 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. . . . . . . . . 48 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 877mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 277mm
REFERENCE No.
(U.S.A.)
(CANADA)
195 W (AVG.)
UHF/VHF/CATV
DIGITAL
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
SM
780176

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Summary of Contents for Sanyo DP55360

  • Page 1: Table Of Contents

    SCHEMATIC DIAGRAMS......47 DEPTH INCLUDING BASE ....277mm DP55360, N8TE, PRODUCT CODE 113024004 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: • Turn off the receiver and disconnect the AC power supply.

  • Page 4: On-Screen Service Menu

    ON-SCREEN SERVICE MENU Table 1. ON-SCREEN SERVICE MENU When IC801 (EEPROM) 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. Title Initial Data Note MUTE Audio mute at Power ON Volume setup inspection Option 1 Data (HDMI)

  • Page 5: Power Failure Circuit

    POWER FAILURE CIRCUIT Check the following if the unit is turned off by the power CPU (IC800) is programmed so the set will go to standby failure detector. 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. MAIN BOARD REMOVAL Remove 7 screws (A: 3X6) to take the Main Board off. POWER UNIT REMOVAL Remove 4 screws (A: 3X6, 4 pcs;...
  • Page 8 MECHANICAL DISASSEMBLY (Continued) KEY SW BOARD REMOVAL KEY SW Board Remove 2 screws (G:3x8) to take the KEY SW board off. Back Cabinet RC LED BOARD REMOVAL RC LED Board Remove 1 screw (C: 3x14) to take the RC LED board off. Front Cabinet –...
  • Page 9 SPEAKER REMOVAL HOLDER STAND REMOVAL Take off each speaker. Remove 6 screws (H: 4x6) to take the Holder Stand off from the LCD panel. LCD PANEL REMOVAL JOINT WALL MOUNT REMOVAL Lift up the LCD panel from front cabinet. Remove 4 screws (D: 4x8) to take the joint wall mount off from the LCD panel.

  • Page 10: 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 11 Schematic Schematic Part No. Part No. Description Description Location Location CAPACITORS C820 CK1H104ZLZFNG CERAMIC 0.1U Z C821 CC1H180JLZCNG CERAMIC 18P J C001 CK1H102KLZBNG CERAMIC 1000P K C822 CC1H220JLZCNG CERAMIC 22P J C002 CK1H102KLZBNG CERAMIC 1000P K C1000 CEXLB1H4R7VDN ELECT 4.7U M C003 CK1E105KGMBNG CERAMIC...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location C1662 CEXLB1E102VEN ELECT 1000U M C2409 CC1H101JLZCNG CERAMIC 100P J C1663 CK1H104ZLZFNG CERAMIC 0.1U Z C2410 CC1H101JLZCNG CERAMIC 100P J C1664 CE1C101M1WANG ELECT 100U M C2416 CK1H104ZLZFNG CERAMIC 0.1U Z C1665 CK1E105KGMBNG CERAMIC...
  • Page 13 Schematic Schematic Part No. Part No. Description Description Location Location C5535 CK0J106KGMBNG CERAMIC 10U K 6.3V C5606 CK1C104KMNBNG CERAMIC 0.1U K C5536 CK0J106KGMBNG CERAMIC 10U K 6.3V C5607 CK1C104KMNBNG CERAMIC 0.1U K C5537 CK0J106KGMBNG CERAMIC 10U K 6.3V C5609 CK1C104KMNBNG CERAMIC 0.1U K C5538 CK1H102KMNBNG CERAMIC...
  • Page 14 Schematic Schematic Part No. Part No. Description Description Location Location C5665 CK1H153KLZBNG CERAMIC 0.015U K C5729 CK1C104KMNBNG CERAMIC 0.1U K C5666 CK1E474KLZBNG CERAMIC 0.47U K C5730 CK1C104KMNBNG CERAMIC 0.1U K C5667 CK1H153KLZBNG CERAMIC 0.015U K C5731 CK1E103KMNBNG CERAMIC 0.01U K C5668 CK1E474KLZBNG CERAMIC...

  • Page 15: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location C6550 CK1H104ZLZFNG CERAMIC 0.1U Z DZXLBXB3.9B-G ZENER DIODE MM3Z3V9B C6600 CK1H104ZLZFNG CERAMIC 0.1U Z D1602 DDSS3P3-E3—G DIODE SS3P3-E3/84A C6601 CK1H104ZLZFNG CERAMIC 0.1U Z DDSS3P3-M3—G DIODE SS3P3-M3/84A C6602 CK1H104ZLZFNG CERAMIC 0.1U Z D1603 DDSS3P3-E3—G DIODE SS3P3-E3/84A...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location IC1670 QXXGA0500165P IC LV5806MX-TLM-H L1622 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W IC1700 QLV5803M-E—P IC LV5803M-TE-L-E L1623 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W IC2401 Q74AHC1G08GWP IC 74AHC1G08GW L1624 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W QTC7SH08FU—P IC TC7SH08FU(TE85L) L1625...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location L5800 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W Q1009 T2SC3928A1R-P TR 2SC3928A1R L6103 1AV4L2FB3R3MG “INDUCTOR,3.3U M” T2SC3928A1S-P TR 2SC3928A1S L6105 1AV4L2FB3R3MG “INDUCTOR,3.3U M” TXXLBB006—-P TR MMBTSC3928R L6117 1LB4L26B0740G “INDUCTOR , 220 OHM” Q1010 T2SC3928A1R-P TR 2SC3928A1R...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location Q8500 T2SC3928A1R-P TR 2SC3928A1R R852 RGF1000JTCANL MT-GLAZE 100 JA 1/10W T2SC3928A1S-P TR 2SC3928A1S R854 RGF1000JTCANL MT-GLAZE 100 JA 1/10W TXXLBB006—-P TR MMBTSC3928R R856 RGF1000JTCANL MT-GLAZE 100 JA 1/10W Q8550 T2SC3928A1R-P TR 2SC3928A1R R857 RGF1002JTCANL...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location R1046 RGF3303JTCANL MT-GLAZE 330K JA 1/10W R1641 RGF1001FTCANL MT-GLAZE 1K FA 1/10W R1047 RGF1503JTCANL MT-GLAZE 150K JA 1/10W R1642 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R1048 RGF2203JTCANL MT-GLAZE 220K JA 1/10W R1643 RGF47R0JTCANL MT-GLAZE...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location R1847 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R5517 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R1848 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R5518 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R1852 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R5522 RGF1001JTCANL MT-GLAZE...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location R5610 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R5687 RGF75R0JTCANL MT-GLAZE 75 JA 1/10W R5611 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R5688 RGF47R0JTCANL MT-GLAZE 47 JA 1/10W R5613 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R5689 RGF47R0JTCANL MT-GLAZE...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location R6011 RGF33R0JTCANL MT-GLAZE 33 JA 1/10W R6552 RGF4702JTCANL MT-GLAZE 47K JA 1/10W R6012 RGF27R0JTCANL MT-GLAZE 27 JA 1/10W R6553 RGF4702JTCANL MT-GLAZE 47K JA 1/10W R6013 RGF33R0JTCANL MT-GLAZE 33 JA 1/10W R6555 RGF5R60JTCANL MT-GLAZE...

  • Page 23: Power Board

    Schematic Schematic Part No. Part No. Description Description Location Location MISCELLANEOUS POWER BOARD A100 1AA0B10N28700 “ASSY,PWB,MAIN N8TE” U901 1AV4U20C48900 “UNIT,POWER” A200 1AA0B10N284B0 “ASSY,PWB,KEY_SW N8TE” A300 1AA0B10N28500 “ASSY,PWB,RC_LED A N8LF” A400 1AA0B10N28900 “ASSY,PWB,120HZ N8TE” A6100 1AV4F1BAZ0130 “TUNER,U/V” EL901 1AV4T40C19400 LCD(LC550EUD-SCA1) EL901 1AV4T40C19401 LCD(LC550EUD-SCA1) K1001...

  • Page 24: Component And Testpoint Locations

    COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE K803 C1692 R1821 R1668 L1672 R1630 R1675 R1635 K1006 C1656 C1635 R1618 C1653 C1672 R1626 R1005 KCOM R5962 C042 R818 L1671 R890 C1673 R852 R851 C041 R856 R1823 R868 C819 C040 C039 L013 L003 L002...
  • Page 25 MAIN BOARD SOLDER SIDE K803 KCOM L020 C003 C010 C004 C037 C012 R1650 Q1634 R023 R1649 R022 R1637 R005 C018 C019 R1651 R006 L1724 C1674 K801 K802 R896 C802 L1723 R1861 R1833 C1646 R1854 R1869 C1647 R801 R878 D801 R1850 R849 R1859 R1858...
  • Page 26 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 (3PIN) PWB,KEY_SW N7AL K19K 1AA4B10N2460A_ A K19CTRA K19CTR (3PIN) (8PIN) A30C5 SIDE SIDE CONTROL BOARD SOLDER SIDE SW1901A SW1901...
  • Page 27 120 Hz COMPONENT SIDE K702 SW7670 C6795 IC6770 SW7600 K701 C6710 C6708 L7508 L6713 C6720 C6770 C6751 KJTAG2 R7616 C7555 C7521 C6728 IC7600 R7661 C6727 C6756 R7662 C7603 R6741 C6755 R7663 R7625 C7524 C7514 R7508 IC6750 C6754 IC7601 Q6790 R7664 X7500 R7536 C7539...

  • Page 28: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES – 28 –...

  • Page 29: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES – 29 –...

  • Page 30: 120 Hz Power Lines

    120 Hz POWER LINES – 30 –...

  • Page 31: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001, Audio AMP C ctrl Protection current/thermal interface Logic Volume control Regulators Bias Digital signal processing Power stage IC7500 – 31 –...
  • Page 32 IC BLOCK DIAGRAMS (CONT.) IC1640, IC1630 DC to DC Converter IC801, EEPROM – 32 –...
  • Page 33 IC1650, IC6601, IC600 DC to DC Converter IC1670, DC to DC Converter BOOT (SW+Vreg.) BOOT C2 = 10μF/25V V IN = 12V Current Sense C8 = 10μF/25V Rb = 0 Pre Drive C1 = 0.01μF UVLO 1 : N V OUT = 3.3V R10 = 4.3kΩ...
  • Page 34 IC BLOCK DIAGRAMS (CONT.) IC5501 Block Diagram Dual HDMI 2 HDMI Receiver Peripherals Video & Graphics 3D Graphics Keypad LED Processing (BVN) Component 1 GPIO Component 2 3 UARTS HD Analog Noise Component 3 Dual USB 2.0 Comb Reduction Svideo 1 Ethernet Video Front Digital Noise Reduction...
  • Page 35 IC8500, IC8550 USB Protection IC5700, DDR: Double Data Rate SDRAM – 35 –...
  • Page 36 IC BLOCK DIAGRAMS (CONT.) IC6600, HDMI SELECTOR DDH(3V3) TDA9996 DDH(1V8) RXA_C+ OUT_C+ RXA_C– OUT_C– RXA_D0+ RXA_D0– RXA_D1+ RXA_D1– RXA_D2+ OUT_D0+ RXA_D2– OUT_D0– RXB_C+ RXB_C– RXB_D0+ RXB_D0– RT AND EQ RXB_D1+ RXB_D1– OUT_D1+ RXB_D2+ HDMI OUT_D1– RXB_D2– SWITCH RXC_C+ RXC_C– RXC_D0+ RXC_D0–...

  • 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? CPU (IC800), EEPROM (IC801), Crystal (X800, X801), Power Unit (or the voltage to some lines is not supplied.) After a few seconds, the set will be switched off.

  • Page 38: Digital

    TROUBLESHOOTING FLOW CHARTS (CONT.) NO VIDEO Trouble Shooting Video US1T(55) Check: RF(TV) ,Digital(TV) All Inputs? Line: A6100 10pin - IC5501 AA25pin A6100 11pin - IC5501 AA26pin only Parts: Around A6100 (TU_IF), IC5501 Check: AV1 only Line: Terminal(CV) - IC5501 AB11pin Terminal(Y) - IC5501 AF12pin Terminal(C) - IC5501 AE12pin Parts: Around IC5501...

  • Page 39: Digital

    TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO Trouble Shooting Audio US1T(55) Is there Check: All Modes ? signal at speaker Speaker (SP901, SP902) terminal ? Is there Check: signal at IC001 ? Line: IC001 23pin - IC800 (CPU) 22pin (Mute) Parts: Around IC001 (Audio AMP.) Check: Parts: Around IC5501 AD20,AF20,AF21,AE20pin, IC5600,IC5601...

  • Page 40: Control Port Functions

    CONTROL PORT FUNCTIONS System Control (CPU : IC800) IC specification Assignment Explanation P12/SCK0 REG SW4 no use (REG SW4) P13/SO1 REG SW5 no use (REG SW5) P14/SI1/SB1 IIC-BUS for NV Data of IIC Bus Active ‘L’ for IIC data NV P15/SCK1 IIC-BUS for NV Clock of IIC Bus Active ‘L’...
  • Page 41 IC specification Assignment Explanation P73/INT3/T0IN Rcin Remote control signal input RESET in CPU Reset input RESET : Low (and for on-board write) 32.678KHz X’tal input (for clock timer) Xout 32.678KHz X’tal output (for clock timer) VSS1 GND (0Vdc) CF1/AN12 Main clock input (8MHz ceramic oscillator) CF2/AN13 Main clock output (8MHz ceramic oscillator) VDD1...

  • Page 42: Main Sheet Block Diagram & Periphericals

    MAIN SHEET BLOCK DIAGRAM & PERIPHERICALS USB Power SW +3.3 / Stand-by 5V NAND Flash DDR2 +12V +1.2 / 1.8 / 2.5 / 9 /12V ( 1Gb) 1Gb (533MHz) x 2 fault +24V +5 / 13.5V Write protect RF-IN USB1 BCM3549 Digital/ USB2.0...

  • Page 43: 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 44: Ic, Diode, And Transistor Pin Layouts

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS – 44 –...

  • Page 45: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS – 45 –...

  • Page 46: 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 August 2010 SMC Published in Mexico...

  • Page 47: Schematic Diagrams

    MODEL DP55360 Chassis No. P55360-00 SCHEMATIC DIAGRAMS J10AR041N ELECTROSTATICALLY SENSITIVE DEVICES Many solid-state devices (especially Integrated Circuits) are Electrostatically Sensitive, and, therefore, require special handling techniques as described under D1001 UDZS3.9BG K1001 “Servicing Electrostatically Sensitive Devices,” on page two in this service literature.
  • Page 48 MODEL DP55360 Chassis No. P55360-00 SCHEMATIC DIAGRAMS REGULATOR FOR DDR2 DDR2 TERMINATION REGULATOR IC5750 <PQ018EHS2ZPH> QXXAVD076G L5771 DDR0_VREF 1/10GZ0C C5802 C5803 ZD5750 D5750 IC5770 L5800 RT9026GSPP C5776 1/10GZ0.0 D3.3V P_FAIL KK0.1LZB D3.3V D3.3V R5770 L5772 1 2 3 4 5 D3.3V...
  • Page 49 MODEL DP55360 Chassis No. P55360-00 SCHEMATIC DIAGRAMS C6706 R6706 L6756 R6705 R6707 SN6750 1/10GZ0.0 L6397 R6712 1/10GF 1/10 1/10GZ0.0 1/10GF L6757 1.2KC GZ0C 4.7KC SN6751 1/10GZ0.0 L6398 1/10GZ0.0 L6758 L6399 ASSY,PWB,120HZ N8TE R6704 SN6752 1/10GZ0.0 1/10GZ0.0 7P_IN C6704 H/OPEN:ON 1/10GJ5.6KC...

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