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Sanyo DP37647 VIZZON Service Manual

Remote control digital color tv
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SERVICE MANUAL
Servicing should be performed by only trained and qualified service personnel.
Contents
Safety Instructions . . . . . . . . . . . . . . . . . . 2
Service Adjustments . . . . . . . . . . . . . 3 - 4
Power Failure Circuit . . . . . . . . . . . . . . . . 5
Mechanical Disassemblies . . . . . . . . . 6 - 7
Chassis Electrical Parts List . . . . . . . 8 - 23
Cabinet Parts List . . . . . . . . . . . . . . . . . . 24
Locations . . . . . . . . . . . . . . . . . . . 25 - 26
Troubleshooting Flow Charts . . . . . 39 - 41
Control Port Functions. . . . . . . . . . . 42 - 43
Schematic Notes . . . . . . . . . . . . . . . . . . . 44
Pin Layouts. . . . . . . . . . . . . . . . . . . . . . . . 45
Capacitor and Resistor Codes . . . . . . . . 46
Schematic Diagrams . . . . . . . . . . . . 49 - 51
DP37647, N4PE, PRODUCT CODE 113004304
with a double "Z" is a registered trademark
of Sanyo Manufacturing Corporation.
Remote Control Digital
Color Television
FILE NO.
DP37647
ORIGINAL VERSION
Chassis No. P37647-00
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),
01, 14-94, 95-125 (CATV)
Remote Ready . . . . . . . . . . 32 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 5.0 W/CH
Intermediate Frequency
Picture IF Carrier . . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
Cabinet Dimensions
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 939mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697mm
Depth including base . . . . . . . . . . . . . . . . 219mm
REFERENCE No.
(U.S.A.)
(CANADA)
175W, 1.7A (Max)
UHF/VHF/CATV
Digital
14 - 69 (UHF),
1-99 (Digital)
SM
780143

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Summary of Contents for Sanyo DP37647 VIZZON

  • Page 1: Table Of Contents

    “Z” is a registered trademark of Sanyo Manufacturing Corporation. FILE NO. SERVICE MANUAL Remote Control Digital DP37647 (U.S.A.) Color Television (CANADA) ORIGINAL VERSION Chassis No. P37647-00 NOTE: Match the Chassis No. on the unit’s back cover with the Chassis No.

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS SAFETY PRECAUTIONS READING SHOULD NOT EXCEED 750 mV. AC VOLTMETER WARNING: The chassis of this receiver has a floating (5000 ohms per volt or more sensitivity) ground with the potential of one half the AC line voltage in respect to earth ground.

  • 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 ser- Enter Service Menu vice adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: •...
  • Page 4 ON-SCREEN SERVICE MENU Table 1. ON-SCREEN SERVICE MENU When IC802 (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 Volume setup inspection Option 1 Data Option 2 Data 1R00...

  • Page 5: Power Failure Circuit

    POWER FAILURE CIRCUIT Check the following if the unit is turned off by the power This unit is equipped with a Power Failure Detector function failure detector. included in the CPU which checks for an abnormal condi- tion in the chassis power supplies. 1.

  • Page 6: Mechanical Disassemblies

    MECHANICAL DISASSEMBLY ATTENTION This LCD TV uses several different kinds of screws. Using the correct screw is required to prevent damage. The gaskets are provided to prevent interference to other radio and television receivers. The gaskets must be returned to their previous positions after servicing. Lead wires must be redressed to previous positions after servicing.
  • Page 7 BOARD AND SPEAKER REMOVAL 1: Main Board Removal 3: Control Board Removal Remove 5 screws (C:3X6) to take the main board Remove 2 screws (A:4X14) to take the control board off. off. 2: Power Unit Removal 4: Speakers Removal Remove 6 screws (C:3X6) to take the power unit off. Remove 4 screws (A:4X14) to remove each speaker.

  • 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 C727 CK1H104ZLZFNG CERAMIC 0.1U Z MAIN BOARD C728 CK1H104ZLZFNG CERAMIC 0.1U Z C729 CK1H104ZLZFNG CERAMIC 0.1U Z CAPACITORS C800 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W C001 CPXLB1C100YAN NP-ELECT 10U M C804 RGF1003JTCANL MT-GLAZE 100K JA 1/10W...
  • Page 10 Schematic Schematic Part No. Part No. Description Description Location Location C1205 CEXLB1V470VDN ELECT 47U M C3205 CK1H222KLZBNG CERAMIC 2200P K CEXLB1V470WAN ELECT 47U M C3206 CK1H104ZLZFNG CERAMIC 0.1U Z C1251 CK1H104ZLZFNG CERAMIC 0.1U Z C3208 CK1A105ZLZFNG CERAMIC 1U Z C1600 CEXLB1E102VDN ELECT 1K U M...
  • Page 11 Schematic Schematic Part No. Part No. Description Description Location Location C5550 CK1H104ZLZFNG CERAMIC 0.1U Z C5805 CC1H270JLZCNG CERAMIC 27P J C5806 CC1H680JLZCNG CERAMIC 68P J C5551 CK1H104ZLZFNG CERAMIC 0.1U Z C5552 CK1H104ZLZFNG CERAMIC 0.1U Z C5807 CK1C224KLZBNG CERAMIC 0.22U K C5553 CEXLB1V470VDN ELECT...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location C6156 CK1H104ZLZFNG CERAMIC 0.1U Z C6252 CEXLB1C101VDN ELECT 100U M C6158 CK1H104ZLZFNG CERAMIC 0.1U Z CEXLB1C101WAN ELECT 100U M C6160 CK1H104ZLZFNG CERAMIC 0.1U Z C6253 CEXLB1H4R7VDN ELECT 4.7U M C6162 CK1H104ZLZFNG CERAMIC 0.1U Z...
  • Page 13 Schematic Schematic Part No. Part No. Description Description Location Location IC1201 QCD4052BNSR-P IC CD4052BNSR C6363 CEXLB1H4R7VDN ELECT 4.7U M CEXLB1H4R7WAN ELECT 4.7U M QTC4052BF---P IC TC4052BF-EL C6364T CEXLB1C101VDN ELECT 100U M IC1251 QCD4052BNSR-P IC CD4052BNSR CEXLB1C101WAN ELECT 100U M QTC4052BF---P IC TC4052BF-EL C6365 CK1H104ZLZFNG...
  • Page 14 Schematic Schematic Part No. Part No. Description Description Location Location L1632 1AV4L2WK560MN INDUCTOR, 56U M L2009 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1640 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L2011 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1656 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L2012 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1657...
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location L6501 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6159 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6502 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6160 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6161 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6504 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location Q805 T2SC2412K-R-P TR 2SC2412K-T-96-R Q1252 T2SC2412K-R-P TR 2SC2412K-T-96-R T2SC2412K-S-P TR 2SC2412K-T-96-S T2SC2412K-S-P TR 2SC2412K-T-96-S T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L7-P TR 2SC2812-L7-TB T2SC2812-L7-P TR 2SC2812-L7-TB T2SC2812N-L6P TR 2SC2812N-L6-TB T2SC2812N-L6P TR 2SC2812N-L6-TB T2SC3928A1R-P TR 2SC3928A1R...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location Q1606 T2SC2412K-R-P TR 2SC2412K-T-96-R Q5803 T2SC2412K-R-P TR 2SC2412K-T-96-R T2SC2412K-S-P TR 2SC2412K-T-96-S T2SC2412K-S-P TR 2SC2412K-T-96-S T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L7-P TR 2SC2812-L7-TB T2SC2812-L7-P TR 2SC2812-L7-TB T2SC2812N-L6P TR 2SC2812N-L6-TB T2SC2812N-L6P TR 2SC2812N-L6-TB T2SC3928A1R-P TR 2SC3928A1R...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location Q6251 T2SA1037AK-RP TR 2SA1037AK T146 R RB6205 1AV4R1D33304G R-NETWORK 33X4 1/32W T2SA1037AK-SP TR 2SA1037AK T146 S RB6206 1AV4R1D33304G R-NETWORK 33X4 1/32W T2SA1037K-R-P TR 2SA1037K-T-96-R RB6355 1AV4R1D30R04G R-NETWORK 0X4 1/32W T2SA1037K-S-P TR 2SA1037K-T-96-S RB6356 1AV4R1D30R04G...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location R1055 RGF1001JTCANL MT-GLAZE 1K JA 1/10W R857 RGF1003JTCANL MT-GLAZE 100K JA 1/10W R1056 RGF1003JTCANL MT-GLAZE 100K JA 1/10W R858 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R859 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R1057 RGF2203JTCANL MT-GLAZE...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location R1612 RGF5600FTCANL MT-GLAZE 560 FA 1/10W R1831 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R1614 RGF4700JTCANL MT-GLAZE 470 JA 1/10W R1832 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R1615 RGF2202JTCANL MT-GLAZE 22K JA 1/10W R1835 RGFR000ZTCANL MT-GLAZE...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location R5550 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R5953 RGF1001JTCANL MT-GLAZE 1K JA 1/10W R5954 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R5551 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R5552 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R5955 RGF1001JTCANL MT-GLAZE...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location R6240 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R6364 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R6241 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R6365 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R6244 RGF33R0JTCANL MT-GLAZE 33 JA 1/10W R6366 RGF1002JTCANL MT-GLAZE...
  • Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R6566 RGF5R60JTCANL MT-GLAZE 5.6 JA 1/10W CRYSTAL / FILTERS R6567 RGF5R60JTCANL MT-GLAZE 5.6 JA 1/10W X801 1AV4V10B0560N OSC, CRYSTAL 32.768KHZ R6568 RGF5R60JTCANL MT-GLAZE 5.6 JA 1/10W X6101 1AV4V10B8280G OSC, CRYSTAL 25.000MHZ R6569 RGF5R60JTCANL MT-GLAZE...

  • Page 24: Cabinet Parts List

    DESCRIPTION 1AA2CAM0585-- CABINET FRONT 1AA6P1P0262A- OWNERS MANUAL (ENG/SPA/FRE) 1AA2CBM0426-- CABINET BACK 1AV0U10B43104 ASSY, REMOCON 1AA2SM0169-- STAND BASE 1AA2RCM0295-A RC-BATTERY LID 1AA2BUM0529-- BUTTON UNITED 1AA2DEM0444A- DEC IND 1AA2DES0917-- DEC SHEET HDTV 1AV2BAAS015AA BADGE, SANYO 1AA2DES0712-F DEC SHEET, VIZON — 24 —...

  • Page 25: Component And Testpoint Locations

    COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE R866 K_DL R1629 K_DEBUG K1000 R842 R1633 R843 R892 R1635 D9100 R844 R9107 K9100 R864 R1684 L2014 C701 R865 C683 C825 R1648 R1637 R1688 R863 L1605 IC001 R858 R1681 IC001A RB6355 R872 R1634 IC001B R6264...

  • Page 26: Locations

    COMPONENT AND TESTPOINT LOCATIONS (Cont.) MAIN BOARD FOIL SIDE L1723 L1722 SC1508 K9100 L2017 L1721 R1515 R017 R9108 R1517 L2016 C011 K_DL IC001 L1713 R1518 R1805 C842 R9105 K_DEBUG C694 IC001A C002 R1516 SC1805 IC001B R9101 L1716 SC1509 K1000 IC001C L6704 R1807 R9106...

  • 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, Audio AMP Standby Input amplifier + OUT1 IN 1 Output amplifier - OUT1 MUTE Vcc ground shorting protection circuit Load shorting protection circuit Thermal protection circuit + OUT2 IN 2 Output amplifier - OUT2 Input amplifier Ripple Filter IC1201, IC1251 Video and Audio Select...
  • Page 30 IC BLOCK DIAGRAMS (CONT.) IC1600, DC to DC Converter IC1620, DC to DC Converter — 30 —...
  • Page 31 IC1630, DC to DC Converter IC1640, DC to DC Converter — 31 —...
  • Page 32 IC BLOCK DIAGRAMS (CONT.) IC5500 Screen Controller — 32 —...
  • Page 33 IC5700, IC5720 DDR: Double Data Rate SDRAM — 33 —...
  • Page 34 IC BLOCK DIAGRAMS (CONT.) IC6100, TS Demodulator — 34 —...
  • Page 35 IC6200, A/D Converter — 35 —...
  • Page 36 IC BLOCK DIAGRAMS (Cont.) IC6502, DVI / HDMI SWITCH (3.3V) VSADJ TMDS Drive 3~to~1 MUX TMDS Drive TMDS Drive (3.3V) TMDS Drive HPD1 HPD2 Control Logic HPD_SINK HPD3 SCL1 SCL_SINK SDA1 SDA_SINK SCL2 SDA2 SCL3 SDA3 — 36 —...
  • Page 37 IC6551, HDMI MULTIPLEXER Same as above block — 37 —...

  • Page 38: Block Diagrams

    IC BLOCK DIAGRAMS (CONT.) IC6270, STEREO A/D CONVERTER AVDD CONTROL INTERFACE AGND SDATO LRCLK DIGITAL AUDIO FILTERS INTERFACE BCLK MCLK — 38 —...

  • Page 39: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER fuse (F601) Check: Power Unit open? the voltage Check: Power Unit to "5V_STBY" line supplied? All 0V (except '5V_STBY' line) the voltage to all lines Check: around supplied? CPU (IC801), IC (IC802), Crystal (X801), Power Unit (or the voltage to some lines is not supplied.) After a few seconds, the set will be switched off.
  • Page 40 TROUBLESHOOTING FLOW CHARTS (Cont.) NO AUDIO Is there Check: All Modes ? signal at speaker Speaker (SP901, SP902) terminal ? Is there Check: signal at IC001 2pin (L) Line: IC001 6pin - IC801 (CPU) 38pin (Mute) or 4pin (R) ? Parts: Around IC001 (Audio AMP.) Check: Parts: Around IC3200 (Audio Control)
  • Page 41 NO VIDEO Check: RF (TV) only All Inputs? Line: A6100 4pin - Q101 - IC1201 2pin Parts: Around A6100 (TU_IF), Q101 AV1 only Check: Line: IC1201 1pin (Composite Video: CV) IC1201 5pin (S-Input: Y) IC1201 13pin - IC5500 Y3 (AV1: C) Check: AV2 only Line:...

  • Page 42: Control Port Functions

    CONTROL PORT FUNCTIONS System Control (CPU : IC801) Pin Name Function I/O Description CVin Reserve GND (0Vdc) P70/INT0/TOLCP LINE OFF Detect AC Voltage Reduction (Normal: High) P71/INT1/TOHCP Reserve (Open) P72/INT2/TOIN Display Enable (Unused) P73/INT3/TOIN RC in RC Input Key in Key Input AFT S-Figure in AFT S-Figure Input...

  • Page 43: Control Port Functions

    CONTROL PORT FUNCTIONS (Cont.) System Control (CPU : IC801 Cont.) Pin Name Function I/O Description P12/SCK0 PDP/LCD Option Setting (PDP: High, LCD: Low) Panel Size 3 Panel size Panel Size 2 Panel size Panel Size 1 Panel size Panel Size 0 Panel size Reserve (Open)

  • Page 44: Schematic Notes

    SCHEMATIC DIAGRAMS 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 45: Pin Layouts

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS INTEGRATED CIRCUITS PHOTO COUPLERS DIODES TRANSISTORS TOP VIEW TOP VIEW MARK COUNT TERMINALS IN ARROW DIRECTION SIDE VIEW INFRARED EMITTING B ... BASE C ... COLLECTOR A..ANODE E ... EMITTER K..CATHODE CHIP TRANSISTORS CHIP RESISTORS TOP VIEW TOP VIEW 12 x 10 = 12K ohm...

  • Page 46: Capacitor And Resistor Codes

    CAPACITOR AND RESISTOR CODE CHART CAPACITOR (Example) 500 C K 1500 B D ......±0.5pF T ......+50% – J ......±5% K ......±10% M ......±20% N ......±30% Characteristics P ......+100% – Value code Z ......+80% –...

  • Page 47: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS — 47 —...
  • Page 48 For parts or service contact Sanyo Manfacturing Corporation P .O. Box 2000 3333 Sanyo Road Forrest City, Arkansas 72335-2000 April 2007 SMC Published in U.S.A. — 48 —...

  • Page 49: Schematic Diagrams

    Chassis No. P37647-00 MODEL DP37647 SCHEMATIC DIAGRAMS ELECTROSTATICALLY SENSATIVE 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. C6094 IC6090 10KZ1ULZF...
  • Page 50 Chassis No. P37647-00 MODEL DP37647 SCHEMATIC DIAGRAMS ASSY, PWB, MAIN SCL_D TO IC6301 TO IC5500 SDA_D C1017 TO TUNER EM4.7LBVD IF_AGC IEC958 SHELD CASE 2 R1074 1/10GJ82C I2C0CLK K1003 R1075 TO IC5500 I2C0CLK 1/10GJ82C D3.3V I2C0DATA R1000 I2C0DATA 1/10 C1000 GJ47C CJ22CL KZ0.1LZF...

  • Page 51: Schematic Diagrams

    Chassis No. P37647-00 MODEL DP37647 SCHEMATIC DIAGRAMS ASSY, PWB, MAIN K6500 1/10GJ5.6C R6509 HDMI_RX2+ R6508 1/10GJ5.6C HDMI_RX2- 1/10GZ0C R6507 1/10GJ5.6C HDMI_RX1+ R6527 KZ0.1 KZ0.1 KZ0.1 C5751 L5751 1/10GF4.7KC R6526 C6508 C6507 C6506 35EM47LBVD 1/10GZ0.0 HDMI_RX1- C5752 D3.3V R6506 1/10GJ5.6C R6505 1/10GJ5.6C HDMI_RX0+ 0.1LZF...

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