Sanyo DP19640 Service Manual
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Sanyo DP19640 Service Manual

Remote control digital color television
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SERVICE MANUAL
Servicing should be performed by only trained and qualifi ed service personnel.
Contents
SAFETY INSTRUCTIONS............................. 2
SERVICE ADJUSTMENTS........................... 3
POWER FAILURE CIRCUIT.......................... 7
MECHANICAL DISASSEMBLY...................... 8
BLOCK DIAGRAM POWER LINES.............. 27
BLOCK DIAGRAM SIGNAL LINES............... 28
IC BLOCK DIAGRAMS................................. 29
CONTROL PORT FUNCTIONS.................... 39
SCHEMATIC NOTES.................................... 40
SCHEMATIC DIAGRAMS............................. 43
DP19640, N8JE, PRODUCT CODE 113023204
Remote Control Digital
Color Television
FILE NO.
DP19640
ORIGINAL VERSION
Chassis NO. P19640-00
NOTE: Match the chassis NO.
Specifi cations
POWER RATING................................. 120VAC
ANTENNA INPUT IMPEDANCE............... 75Ω
RECEIVING CHANNEL................... 2-3 (VHF),
REMOTE
READY..... 32 KEY REMOTE CONTROL
SOUND
OUTPUT.............................. 3.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF
CARRIER................ 45.75MHz
SOUND IF
CARRIER................... 41.25MHz
COLOR SUB
CARRIER............... 42.17MHz
CABINET DIMENSIONS
WIDHT........................................... 460.3mm
HEIGHT......................................... 337.1mm
DEPTH INCLUDING BASE.............. 152mm
REFERENCE NO.
(U.S.A.)
(CANADA)
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.
34 W(AVG.)
UHF/VHF/CATV
DIGITAL
14-69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
SM
3010462

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Summary of Contents for Sanyo DP19640

  • Page 1: Table Of Contents

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS..41 SOUND IF CARRIER....41.25MHz CAPACITOR AND RESISTOR CODE CHART... 42 COLOR SUB CARRIER....42.17MHz SCHEMATIC DIAGRAMS......43 CABINET DIMENSIONS WIDHT........... 460.3mm HEIGHT......... 337.1mm DEPTH INCLUDING BASE....152mm REFERENCE NO. 3010462 DP19640, N8JE, PRODUCT CODE 113023204...

  • 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 Side Controls GENERAL This set has an On-screen Menu system included in the CPU that allows remote operation for most of the service adjustments. POWER MENU On-screen Service Menu System MENU button INPUT Open or close the On-Screen Menu. Quick operation is needed to enter Service Mode.
  • Page 4 SERVICE ADJUSTMENTS Setting the Initial data 1. RESET If the Main Board or Flash IC (IC5800) is not replaced, to set the initial data, please follow the instructions below: 1) To set the value of Hotel Mode to 00. Two methods can be selected here: ...
  • Page 5 SERVICE ADJUSTMENTS r ADC CALIBRATION 1. Enter the Service Mode. 2. Select "ADC CALIBRATION" by pressing ▲ or ▼ button, then press ENTER button to enter ADC CALIBRATION menu. ADC CALIBRATION SOURCE : SOURCE YUV-HD Gain Vin-A(Y/G) Gain Vin-B(Cb/B) Gain Vin-C(Cr/R) AUTO ADC START 3.
  • Page 6 SERVICE ADJUSTMENTS r WB SETTING Pattern White Pattern 100�� (in AV mode). Condition Picture Mode: STANDARD Color Temperature: NORMAL Aging Time: More than 10 minutes Adjustment 1. Enter the Service Mode. 2. Select "WB SETTING" by pressing ▲ or ▼ button, then press ENTER button to enter WB SETTING menu.

  • Page 7: Power Failure Circuit

    POWER FAILURE CIRCUIT SAFETY PRECAUTIONS CPU (IC5500) is programmed so the set will go to standby mode when there is circuit failure as described below. (Refer to“Block Diagram Power Lines”.) This unit is equipped with a Power Failure Detector function included in the CPU which checks for an abnormal condition in the chassis power supplies.

  • Page 8: Mechanical Disassembly

    MECHANICAL DISASSEMBLY [ Disassembly Diagram ] MAIN BOARD BUTTON CABINET BACK MOUNTING HANGER DEC. RC SPEAKER POWER BOARD STAND BASE CABINET FRONT PANEL...
  • Page 9 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. 1. STAND REMOVAL Note: Position TV face down on a padded or cushioned surface to protect the screen and finish. Remove 2 screws (4X16) to take the STAND off.
  • Page 10 MECHANICAL DISASSEMBLY 3. LCD PANEL REMOVAL Remove 1 screw (3X8) to take LCD PANEL off. 4. ASSY, PWB, MAIN Board、ASSY, PWB, POWER Board、 MOUNTING HANGER and DEC IND RC Board Removal 4.1 Remove 10 screws (3X10) to take ASSY, PWB, MAIN off. 4.2 Remove 2 screws (3X10) to take MOUNTING HANGER off.

  • Page 11: Chassis Electrical Parts List

    (Example) CERAMIC 100P K 50V Rated Voltage Tolerance Symbols: Less than 10pF CHASSIS ELECTRICAL PARTS LIST A : Not specified B : ±0.1pF C : ±0.25pF CHASSIS ELECTRICAL PARTS LIST D : ±0.5pF E : +0 -1pF F : ±1PF G : ±2pF H : +0.1 -0pF L : +0 -0.1pF...
  • Page 12 N8JE Chassis Electrical Parts List Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
  • Page 13 N8JE Ref. No. Part No. Description Ref. No. Part No. Description C5551 4034670911 CERAMIC 0.1U K C5632 4034670911 CERAMIC 0.1U K C5552 4034670911 CERAMIC 0.1U K C5633 4034670911 CERAMIC 0.1U K C5553 4034450513 CERAMIC 0.33U K C5634 4034670911 CERAMIC 0.1U K C5563 4034423814 ELECT...
  • Page 14 N8JE Ref. No. Part No. Description Ref. No. Part No. Description C6824 4034670911 CERAMIC 0.1U K R5574 4012249016 MT-GLAZE 10K JA 1/16W C6852 4034670911 CERAMIC 0.1U K R5575 4012251217 MT-GLAZE 4.7K JA 1/16W C6853 4034525013 CERAMIC 4.7U K R5576 4012251217 MT-GLAZE 4.7K JA 1/16W C6854...
  • Page 15 N8JE Ref. No. Part No. Description Ref. No. Part No. Description R5917 4012249313 MT-GLAZE 1K JA 1/16W L5512 6450363894 INDUCTOR,220 OHM R5918 4012249313 MT-GLAZE 1K JA 1/16W 6520016989 INDUCTOR,220 OHM R5920 4012261513 MT-GLAZE 0.000 ZA 1/16W 6520032071 INDUCTOR,220 OHM R5923 4012251811 MT-GLAZE 47 JA 1/16W...
  • Page 16 N8JE Ref. No. Part No. Description Ref. No. Part No. Description 4050158724 TR 2SC2812-L6-TB C013 4041036608 CERAMIC 0.22U K 4050158922 TR 2SC2812-L7-TB 4032812412 CERAMIC 0.22U K 4051631612 TR 2SC2812N-L6-TB0 4033645910 CERAMIC 0.22U K 4051739813 TR 2SC3928A1R C014 4040972402 ELECT 1K U M 4051739912 TR 2SC3928A1S C015...
  • Page 17 N8JE Ref. No. Part No. Description Ref. No. Part No. Description C1640 4040972600 ELECT 470U M R112 4010691609 OXIDE-MT 68 JA C1641 4041036905 CERAMIC 0.1U K R113 4010691609 OXIDE-MT 68 JA 4040950806 CERAMIC 0.1U K R1500 4011623718 MT-GLAZE 4.7K JA 1/10W 4033423310 CERAMIC 0.1U K...
  • Page 18 N8JE Ref. No. Part No. Description Ref. No. Part No. Description L1605 6450363894 INDUCTOR,220 OHM K1503 6520029958 JACK,PHONE D3.6 6520016989 INDUCTOR,220 OHM SC1000 6450763502 SURGE-ABSORBER 6520032071 INDUCTOR,220 OHM SC1001 6450763502 SURGE-ABSORBER L1611 6450363894 INDUCTOR,220 OHM SC1002 6450763502 SURGE-ABSORBER 6520016989 INDUCTOR,220 OHM SC1003 6450763502 SURGE-ABSORBER...
  • Page 19 6550026538 LED SPACER-N3EA MISCELLANEOUS U1900 6520031999 UNIT,REMOCON,RECEIVER CABINET PARTS LIST 6103489209 CABINET FRONT-N8JE 6103489254 DEC IND RC-N8JE 6103475424 BADGE SANYO-BH4A 6102764857 SPACER SHEET-S4KF 6103483115 SPACER SHEET A-BH4A 5X200 4111926303 SCR P-TAP FLG 3X10E 6103489223 BUTTON UNITED-N8JE 6103489216 CABINET BACK-N8JE 6103489308...

  • Page 20: Component And Testpoint Locations

    COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD (Solder Side) SC06 C5533 C5606 C5595 R5515 R5521 C5577 R5570 C5633 C5526 C5594 R5501 C5605 C5589 C5531 C5530 C5646 C5538 C5645 R5514 C5547 R5555 C5588 C5552 R5556 C5576 R5554 R5557 R5513 R5558 C5551 R5903 R5517 R5520 R5902...
  • Page 21 COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD (Part Side) -21-...
  • Page 22 COMPONENT AND TESTPOINT LOCATIONS SUB BOARD (Solder Side) K1600 R052 R051 R053 R1671 C1662 R1670 C014 Q1609 Q1610 D1603 R1658 C013 R1659 C012 D1601 R009 SC01 Q1600 SC03 D1602 R1601 R1600 C1645 R1612 L1602 L1603 C009 Q1608 R008 C1641 R1602 R1675 C1644 R1611...
  • Page 23 COMPONENT AND TESTPOINT LOCATIONS SUB BOARD (Part Side) -23-...
  • Page 24 COMPONENT AND TESTPOINT LOCATIONS POWER BOARD (Solder Side) -24-...
  • Page 25 COMPONENT AND TESTPOINT LOCATIONS POWER BOARD (Part Side) -25-...
  • Page 26 COMPONENT AND TESTPOINT LOCATIONS PWB RC_LED BOARD (Solder Side) R1906 R1905 K1900 1AA4B10S061AB R1907 C1901 Q1901 J1901 C1902 R1903 R1901 R1902 R1900 D1900 SC001 SC1901 Q1900 U1900 PWB RC_LED BOARD (Solder Side) US1R.RC.PWB 1AA4B10S061AB *** ??? J1901 U1900 K1900 A30C5 D1900 -26-...

  • Page 27: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES -27-...

  • Page 28: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES -28-...

  • Page 29: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001 QLA42052-E--N -29-...
  • Page 30 IC BLOCK DIAGRAMS IC100 QL88M05TL---P IC1501 QLE24C023M-EP -30-...
  • Page 31 IC BLOCK DIAGRAMS IC5500 (MAIN IC) -31-...
  • Page 32 IC BLOCK DIAGRAMS IC5700 QXXAVD153---M IC5800 QXXAVD162---P -32-...
  • Page 33 IC BLOCK DIAGRAMS IC5900 QXXAVD046---P IC6500 QRT9711CGB--P -33-...
  • Page 34 IC BLOCK DIAGRAMS IC6800 QLV5803M-E--P IC6801 QLM1117S-ADJP -34-...
  • Page 35 IC BLOCK DIAGRAMS IC6803 QST1S10PHR--P -35-...

  • Page 36: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER Is fuse Check: Power Unit open? Is "POWER_5V" Check: Power Unit supplied? Check: arround 3.3V- STB(IC1603), CPU(IC5500), the voltage to Reset(IC5900), all lines All 0V (except supplied? Crystal(X5500),Power Unit. 'POWER_5V' line) (or the voltage to some lines is not supplied.) After a few seconds, the set will be switched off.
  • Page 37 TROUBLESHOOTING FLOW CHARTS NO VIDEO Check: Line:A101 Pin11->IC5500 F1pin RF(TV) ,Digital(TV) A101 Pin12->IC5500 F2pin Inputs? only Parts: Around A101(TUNER_IF), IC5500 Check: Line:Terminal(CVBS)->IC5500 C11 AV1(CVBS) only Parts: Around K1000,IC5500 Check: Line:Terminal(AV_S_Y) ->IC5500 A8 AV1(S-VIDEO) only Terminal(AV_S_C) ->IC5500 B7 Parts: Around K1003,IC5500 Check: Line:Terminal(DVD_Y) ->IC5500 B6 Terminal(DVD_PB)->IC5500 A7...
  • Page 38 TROUBLESHOOTING FLOW CHARTS NO AUDIO Check: Line:A101 Pin11->IC5500 F1pin RF(TV) ,Digital(TV) A101 Pin12->IC5500 F2pin Inputs? only Parts: Around A101(TUNER_IF), IC5500 Check: Line:Terminal(CVBS)->IC5500 C11 AV1(CVBS) only Parts: Around K1000,IC5500 Check: Line:Terminal(AV_S_Y) ->IC5500 A8 AV1(S-VIDEO) only Terminal(AV_S_C) ->IC5500 B7 Parts: Around K1003,IC5500 Check: Line:Terminal(DVD_Y) ->IC5500 B6 Terminal(DVD_PB)->IC5500 A7...

  • Page 39: Control Port Functions

    CONTROL PORT FUNCTIONS System Control Ball NO Symbol Function0 Function1 Function2 Function3 Init.state Drive str. Unsed Description Note BCKO GPIO BCKO0 Pull-down IIS out Now pull down by R5583 LRCKO GPIO LRCKO0 Pull-down IIS out Now pull down by R5581 ADATAO0 GPIO ADATAO0...

  • Page 40: Schematic Notes

    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 IC, DIODE, AND TRANSISTOR PIN LAYOUTS – 39 – -41-...

  • Page 42: 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 April 2009 SMC Published in Mexico.

  • Page 43: Schematic Diagrams

    CHASSIS/CIRCUIT NAME 1AA0B10S3050B N8JE EI NO. REVISED DATE RC BOARD 2010/01/05 PLOT DATE PAGE CHASSIS RUN NO. For parts or service contact Sanyo Manufacturing Corporation P.O.Box 2000 3333 Sanyo Road Forrest City, Arkansas 72335-2000 Jun 2010 SMC Published in Mexico. -43-...
  • Page 44 MODEL DP19640 Chassis No. P19640-00 SCHEMATIC GIAGRAMS 1.25V FOR CPU CORE R6823 1/16GJ100KA 3.3VD C5901 32Mb SPI FLASH R6801 R5800 C6803 L6801 C6806 C6808 25KK0.1MT 1/16GJ10KA 1/16GJ100A 25KK0.022MN B4L26B1530G 16EM1001W 25KK0.1MT CL1640 R5905 3.3V_STB 1.25VD 1/16GJ10KA R5912 IC5900 3.3VD R6800...
  • Page 45 MODEL DP19640 Chassis No. P19640-00 SCHEMATIC GIAGRAMS L1604 C1645 C1646 25KK1BB 16EM470LBVD VOL- VOL+ INPUT MENU POWER SW POWER_5V K1600 R1610 C1647 ON/OFF 1/10GJ27KC 25KK0.1LBYAG S10B0450J S10B0450J S10B0450J S10B0450J S10B0450J S10B0450J S10B0450J 1LB4J10XK140N SW1951 SW1952 SW1953 SW1954 SW1955 SW1956 SW1957...

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