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Sanyo DP47460 Service Manual
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Sanyo DP47460 Service Manual

Remote control digital color television
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See also: Owner's Manual , Network 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 . . . . . . . . . . . . . . . . 8
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 26
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 27
120 HZ POWER LINES . . . . . . . . . . . . . . . . . . . . . . . . . . 28
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 31
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 35
CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 38
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 45
DP47460, N8VG, PRODUCT CODE 113024106
FILE NO.
DP47460
ORIGINAL VERSION
Chassis No. P47460-00
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1130mm
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 746mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 324mm
REFERENCE No.
(U.S.A.)
(CANADA)
221 W (AVG.)
UHF/VHF/CATV
DIGITAL
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
SM
780177

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Summary of Contents for Sanyo DP47460

  • Page 1: Table Of Contents

    SCHEMATIC DIAGRAMS......45 DEPTH INCLUDING BASE ....324mm DP47460, N8VG, PRODUCT CODE 113024106 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 pre- vent 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. BACK CABINET REMOVAL Remove 12 screws to take the back cabinet off. (C: 3x14) LCD PANEL REMOVAL Lift up the LCD panel from front cabinet.

  • 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 C822 CC1H220JLZCNG CERAMIC 22P J CAPACITORS C1000 CEXLB1H4R7VDN ELECT 4.7U M C001 CK1H102KLZBNG CERAMIC 1000P K C1002 CK1A105KLZBNG CERAMIC 1U K C002 CK1H102KLZBNG CERAMIC 1000P K C1004 CK1A105KLZBNG CERAMIC 1U K C003 CK1E105KGMBNG CERAMIC...
  • Page 10 Schematic Schematic Part No. Part No. Description Description Location Location C1666 CEXLB0J102VEN ELECT 1000U M 6.3V C3050 CK1A105KLZBNG CERAMIC 1U K C1667 CK1E105KGMBNG CERAMIC 1U K C3051 CK1A105KLZBNG CERAMIC 1U K C1668 CC1H221JLZCNG CERAMIC 220P J C3053 CC1H680JLZCNG CERAMIC 68P J C1669 CK1H104KLZBNG CERAMIC...
  • Page 11 Schematic Schematic Part No. Part No. Description Description Location Location C5544 CK1C104KMNBNG CERAMIC 0.1U K C5618 CK1C104KMNBNG CERAMIC 0.1U K C5545 CK0J475KLZBNG CERAMIC 4.7U K 6.3V C5619 CK1E103KMNBNG CERAMIC 0.01U K C5546 CK1C104KMNBNG CERAMIC 0.1U K C5621 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W C5547 CK0J475KLZBNG CERAMIC...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location C5677 CK1C104KMNBNG CERAMIC 0.1U K C5755 CK1H333KLZBNG CERAMIC 0.033U K C5678 CK1C104KMNBNG CERAMIC 0.1U K C5770 CE1C221M1WANG ELECT 220U M C5679 CK1C104KMNBNG CERAMIC 0.1U K C5772 CK0J106KGMBNG CERAMIC 10U K 6.3V C5680 CK1C104KMNBNG CERAMIC...

  • Page 13: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location C6614 CK1H104KLZBNG CERAMIC 0.1U K DD1SS355——G DIODE 1SS355-TE-17 C6615 CK1H104ZLZFNG CERAMIC 0.1U Z DDXLBB053—-G DIODE 1SS35 C6616 CK1H104ZLZFNG CERAMIC 0.1U Z D1660 DD1SS352——G DIODE 1SS352-(TPH3) C6617 CK1H104ZLZFNG CERAMIC 0.1U Z DD1SS355——G DIODE 1SS355-TE-17 DDXLBB053—-G...
  • Page 14 Schematic Schematic Part No. Part No. Description Description Location Location QTC7SH08FU—P IC TC7SH08FU(TE85L) L1695 1LB4L26B0740G “INDUCTOR , 220 OHM” IC5601 Q74AHC1G08GWP IC 74AHC1G08GW L1716 1LB4L26B1180G INDUCTOR 10U M QTC7SH08FU—P IC TC7SH08FU(TE85L) L1750 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W IC5700 QXXAVD191—-M IC K4T1G164QE-HCF8 L1800 1LB4L26B0740G “INDUCTOR , 220 OHM”...
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location TXXLBB006—-P TR MMBTSC3928R L6326 1LB4L26B0740G “INDUCTOR , 220 OHM” L6403 1LB4L26B0740G “INDUCTOR , 220 OHM” Q1603 T2SC3928A1R-P TR 2SC3928A1R L6600 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W T2SC3928A1S-P TR 2SC3928A1S L6601 1LB4L26B0740G “INDUCTOR , 220 OHM”...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location R009 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R879 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R010 RGF10R0JTCANL MT-GLAZE 10 JA 1/10W R881 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R011 RGF1201JTCANL MT-GLAZE 1.2K JA 1/10W R883 RGFR000ZTCANL MT-GLAZE...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location R1099 RGF2201JTCANL MT-GLAZE 2.2K JA 1/10W R1677 RGF3302FTCANL MT-GLAZE 33K FA 1/10W R1101 RGF2201JTCANL MT-GLAZE 2.2K JA 1/10W R1678 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R1103 RGF2201JTCANL MT-GLAZE 2.2K JA 1/10W R1680 RN1R005JTFANL MT-FILM...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location R2437 RGF47R0JTCANL MT-GLAZE 47 JA 1/10W R5566 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R2445 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R5570 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R2446 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R5574 RGFR000ZTCANL MT-GLAZE...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location R5644 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R5815 RGF3301JTCANL MT-GLAZE 3.3K JA 1/10W R5645 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R5816 RGF3301JTCANL MT-GLAZE 3.3K JA 1/10W R5646 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R5819 RGF3301JTCANL MT-GLAZE...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location R6505 RGF5R60JTCANL MT-GLAZE 5.6 JA 1/10W RB5782 1LB4R1YB750JG R-NETWORK 75X4 0.0 R6506 RGF5R60JTCANL MT-GLAZE 5.6 JA 1/10W RB5783 1LB4R1YB750JG R-NETWORK 75X4 0.0 R6507 RGF5R60JTCANL MT-GLAZE 5.6 JA 1/10W RB5784 1LB4R1YB750JG R-NETWORK 75X4 0.0 R6508 RGF5R60JTCANL...

  • Page 21: Power Board

    Schematic Schematic Part No. Part No. Description Description Location Location MISCELLANEOUS POWER BOARD A100 1AA0B10N287B0 “ASSY,PWB,MAIN N8VG” PB5500 1AA4B10N24700 “PWB,MAIN N8TE” A200 1AA0B10N28400 “ASSY,PWB,KEY_SW N8VF” A300 1AA0B10N28500 “ASSY,PWB,RC_LED A N8LF” A400 1AA0B10N289A0 “ASSY,PWB,120HZ N8VG” A500 1AA0B10N29000 “ASSY,PWB,POWER N7AL” A6100 1AV4F1BAZ0130 “TUNER,U/V”...

  • Page 22: 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 23 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 24 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 25 120 Hz COMPONENT SIDE SW7670 C6795 K702 SW7600 IC6770 K701 C6710 C6708 L7508 L6713 C6720 C6770 C6751 KJTAG2 R7616 C7555 C7521 C6728 IC7600 R7661 C6727 C6756 R7662 C7603 R6741 C6755 R7663 R7625 C7514 R7508 C7524 IC6750 C6754 IC7601 Q6790 R7664 R7536 X7500 C7539...

  • Page 26: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES – 26 –...

  • Page 27: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES – 27 –...

  • Page 28: 120 Hz Power Lines

    120 Hz POWER LINES – 28 –...

  • Page 29: 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 – 29 –...
  • Page 30 IC BLOCK DIAGRAMS (CONT.) IC1640, IC1630 DC to DC Converter IC801, EEPROM – 30 –...
  • Page 31 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 32 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 33 IC8500, IC8550 USB Protection IC5700, DDR: Double Data Rate SDRAM – 33 –...
  • Page 34 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 35: 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 36: 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 37: Digital

    TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO Trouble Shooting Audio US1T(47-N8VG) Is there Check: All Modes ? signal at speaker Speaker (SPR, SPL) 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 38: 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 39 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 40: 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 41: 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 42: Ic, Diode, And Transistor Pin Layouts

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS – 42 –...

  • Page 43: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS K7LVDS – 43 –...

  • Page 44: 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 November 2010 SMC Published in Mexico...

  • Page 45: Schematic Diagrams

    MODEL DP47460 Chassis No. P47460-00 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. J10AR041N D1001 UDZS3.9BG...
  • Page 46 MODEL DP47460 Chassis No. P47460-00 SCHEMATIC DIAGRAMS REGULATOR FOR DDR2 DDR2 TERMINATION REGULATOR IC5750 <PQ018EHS2ZPH> QXXAVD076G L5771 DDR0_VREF 1/10GZ0C C5802 C5803 ZD5750 D5750 IC5770 L5800 1/10GZ0.0 RT9026GSPP C5776 D3.3V P_FAIL D3.3V KK0.1LZB D3.3V R5770 L5772 1 2 3 4 5 D3.3V...
  • Page 47 MODEL DP47460 Chassis No. P47460-00 SCHEMATIC DIAGRAMS C6706 R6706 L6756 SN6750 1/10GZ0.0 L6397 R6712 R6705 R6707 1/10GZ0.0 1/10GF 1/10GF 1/10 L6757 1.2KC GF270C 4.7KC SN6751 1/10GZ0.0 L6398 1/10GZ0.0 ASSY,PWB,120HZ N8VG L6758 L6399 R6704 SN6752 1/10GZ0.0 C6704 1/10GZ0.0 7P_IN Q7601 H/OPEN:ON 1/10GJ5.6KC...
  • Page 48 MODEL DP47460 Chassis No. P47460-00 SCHEMATIC DIAGRAMS C701 ASSY,PWB,POWER N7AL 1000KK1000NHA R650 :1000KK1000CR D628A 2SJ0.22D 2HEA0431-- D628B ZB13 T602 :ZB29 1AA0B10N29000 R650H1 R650H2 D628 :ZAV6120KE24 B4L51B1840N DDXLBB088 D628C Q601ADA SM2PS308R0SV ZAV9700CH01 24VH R628H1 R628H2 :DDXGA0500187M R751 T602H10 2NF0.02 D628H2 R628...

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