Sanyo Vizon DP37647 Service Manual
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Sanyo Vizon DP37647 Service Manual

Sanyo vizon remote control digital color television
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See also: Owner's Manual
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 . . . . . 38 - 40
Control Port Functions . . . . . . . . . . 41 - 42
Schematic Notes . . . . . . . . . . . . . . . . . . . 43
Pin Layouts. . . . . . . . . . . . . . . . . . . . . . . . 44
Capacitor and Resistor Codes . . . . . . . . 45
Schematic Diagrams . . . . . . . . . . . . 48 - 49
DP37647, N4PH, 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. P37647-04
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
780156-01

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Summary of Contents for Sanyo Vizon DP37647

  • 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. P37647-04 NOTE: Match the Chassis No. on the unit’s back cover with the Chassis 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 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 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 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 CAPACITORS C1617 CK1H103KLZBNG CERAMIC 0.01U K 50V C1618 CK1H392KLZBNG CERAMIC 3900P K 50V C001 CPXLB1C100YAJ NP-ELECT 10U M 16V C1620 CK1H103KLZBNG CERAMIC 0.01U K 50V C001 CPXLB1C100ZAJ NP-ELECT 10U M 16V C1621 CK1H104ZLZFNG CERAMIC 0.1U...
  • Page 10 Schematic Schematic Part No. Part No. Description Description Location Location C3202 CK1A105KLZBNG CERAMIC K 10V C5541 CK1A105KLZBNG CERAMIC K 10V C3203 CK1A105KLZBNG CERAMIC K 10V C5543 CK0J106KGMBNG CERAMIC Z 6.3V C3204 CK1H223KLZBNG CERAMIC0.022U K 50V C5544 CK1A105KLZBNG CERAMIC K 10V C3205 CK1H222KLZBNG CERAMIC 2200P...
  • Page 11 Schematic Schematic Part No. Part No. Description Description Location Location C5608 CK1H104ZLZFNG CERAMIC 0.1U Z 50V C5677 CK1H104ZLZFNG CERAMIC 0.1U Z 50V C5609 CE0J221MZVALC ELECT 220U M 6.3V C5678 CK1H104ZLZFNG CERAMIC 0.1U Z 50V C5611 CC1H470JLZCNG CERAMIC J 50V C5679 CK1H104ZLZFNG CERAMIC 0.1U Z 50V...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location C5738 CK1H104ZLZFNG CERAMIC 0.1U Z 50V C6102 CK1H102KLZBNG CERAMIC 1000P K 50V C5739 CK1H104ZLZFNG CERAMIC 0.1U Z 50V C6106 CC1H220JLZCNG CERAMIC J 50V C5741 CK1A105KLZBNG CERAMIC K 10V C6107 CC1H220JLZCNG CERAMIC J 50V C5742...

  • Page 13: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location C6516 CK1H104ZLZFNG CERAMIC 0.1U Z 50V IC1650 QMP2106DK—-P MP2106DK C6517 CEXLB1V470VDJ ELECT M 35V IC1670 QXXAVC692—-P ICPQ1LAX95MSPQ C6518 CEXLB1V470VDJ ELECT M 35V IC1681 QLA5774MPE—P ICLA5774MP-DL-E C6519 CK1H104ZLZFNG CERAMIC 0.1U Z 50V IC1691 QPST600DMT—P IC PST600DMT...
  • Page 14 Schematic Schematic Part No. Part No. Description Description Location Location L1626 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L1729 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L1627 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L1730 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L1628 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L1731 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L1632 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W...
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location L5592 1LB4L26B0700G “INDUCTOR ,120 OHM” L6354 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L5593 1LB4L26B0700G “INDUCTOR ,120 OHM” L6355 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L5594 1LB4L26B0700G “INDUCTOR ,120 OHM” L6357 RGFR000ZTAANL MT-GLAZE 0.000 ZA1/10W L5595 1LB4L26B0700G “INDUCTOR ,120 OHM”...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location Q808 TXXLBB005—-P TRMMBTSA1235F Q1006 TXXLBB006—-P TRMMBTSC3928R T2SA1037AK-RP TR2SA1037AK-T146-R T2SC2412K-R-P TR2SC2412K T146 R T2SA1037AK-SP TR2SA1037AK-S-T146 T2SC2412K-S-P TR2SC2412K T146 S T2SA1235A1E-P TR 2SA1235A1E T2SC2812-L6-P TR2SC2812-L6-TB T2SA1235A1F-P TR 2SA1235A1F T2SC2812-L7-P TR2SC2812-L7-TB TISA1235AC1EP TR ISA1235AC1E T2SC2812N-L6P TR2SC2812N-L6-TB0 TISA1235AC1FP...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location Q1610 TFSS163-E—-P TR FSS163-TL-E Q1802 TXXLBB006—-P TRMMBTSC3928R Q1611 TXXLBB006—-P TRMMBTSC3928R T2SC2412K-R-P TR2SC2412K T146 R T2SC2412K-R-P TR2SC2412K T146 R T2SC2412K-S-P TR2SC2412K T146 S T2SC2412K-S-P TR2SC2412K T146 S T2SC2812-L6-P TR2SC2812-L6-TB T2SC2812-L6-P TR2SC2812-L6-TB T2SC2812-L7-P TR2SC2812-L7-TB T2SC2812-L7-P...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location Q5804 TXXLBB005—-P TRMMBTSA1235F Q6351 TXXLBB006—-P TRMMBTSC3928R T2SA1037AK-RP TR2SA1037AK-T146-R T2SC2412K-R-P TR2SC2412K T146 R T2SA1037AK-SP TR2SA1037AK-S-T146 T2SC2412K-S-P TR2SC2412K T146 S T2SA1235A1E-P TR 2SA1235A1E T2SC2812-L6-P TR2SC2812-L6-TB T2SA1235A1F-P TR 2SA1235A1F T2SC2812-L7-P TR2SC2812-L7-TB TISA1235AC1EP TR ISA1235AC1E T2SC2812N-L6P TR2SC2812N-L6-TB0 TISA1235AC1FP...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location R1019 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R1621 RGF1001JTCANL MT-GLAZE1K JA1/10W R1021 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R1622 RGF1001JTCANL MT-GLAZE1K JA1/10W R1025 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R1623 RN1R005JTFANL MT-FILM0.005 JA 1W R1031 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R1624 RN1R005JTFANL MT-FILM0.005 JA 1W R1037...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location R1818 RGF2201JTCANL MT-GLAZE2.2K JA1/10W R5566 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R1820 RGF4701JTCANL MT-GLAZE4.7K JA1/10W R5567 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R1821 RGF1002JTCANL MT-GLAZE10K JA1/10W R5568 RGF6800JTCANL MT-GLAZE680 JA1/10W R1822 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R5569 RGF10R0JTCANL MT-GLAZE10 JA1/10W R1829 RGF4701JTCANL...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location R5807 RGF6800JTCANL MT-GLAZE680 JA1/10W R6103 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R5808 RGF6800JTCANL MT-GLAZE680 JA1/10W R6104 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R5815 RGF6800JTCANL MT-GLAZE680 JA1/10W R6108 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R5817 RGF6800JTCANL MT-GLAZE680 JA1/10W R6110 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R5819 RGF6800JTCANL...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location R6383 RGF2201JTCANL MT-GLAZE2.2K JA1/10W R6573 RGF4701JTCANL MT-GLAZE4.7K JA1/10W R6385 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R801 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R6389 RGFR000ZTCANL MT-GLAZE0.000 ZA1/10W R802 RGF4700JTCANL MT-GLAZE470 JA1/10W R6391 RG11500JTEANL MT-GLAZE150 JA 1W R803 RGF2202JTCANL MT-GLAZE22K JA1/10W R6392...
  • Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R884 RGF1000JTCANL MT-GLAZE100 JA1/10W SWITCHES R886 RGF1001JTCANL MT-GLAZE1K JA1/10W SW1901 1AV4S10B5650J “SWITCH,PUSH” R887 RGF1002JTCANL MT-GLAZE10K JA1/10W SW1901 1AV4S10B0900J “SWITCH,PUSH” R888 RGF4702JTCANL MT-GLAZE47K JA1/10W SW1902 1AV4S10B5650J “SWITCH,PUSH” R889 RGF2202JTCANL MT-GLAZE22K JA1/10W SW1902 1AV4S10B0900J “SWITCH,PUSH”...

  • Page 24: Cabinet Parts List

    KEY NO. PARTS NO. DESCRIPTION 1AA2CAM0585-- CABINET FRONT 1AV0U10B43104 ASSY, REMOCON 1AA2CBM0426-- CABINET BACK 1AA2RCM0295-A RC-BATTERY LID 1AA2SM0169-- STAND BASE 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 — 25 —...

  • Page 26: Locations

    COMPONENT AND TESTPOINT LOCATIONS (Cont.) MAIN BOARD FOIL SIDE — 26 —...
  • Page 27 CONTROL BOARD PART SIDE CONTROL BOARD SOLDER SIDE — 27 —...

  • Page 28: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES — 28 —...

  • Page 29: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES — 29 —...

  • Page 30: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001, Audio AMP IC1201, IC1251 Video and Audio Select — 30 —...
  • Page 31 IC BLOCK DIAGRAMS (CONT.) IC1600, DC to DC Converter — 31 —...
  • Page 32 IC1650, DC to DC Converter — 32 —...
  • Page 33 IC BLOCK DIAGRAMS (CONT.) IC5500 Screen Controller and video processor — 33 —...
  • Page 34 IC5700, IC5720 DDR: Double Data Rate SDRAM — 34 —...
  • Page 35 IC BLOCK DIAGRAMS (CONT.) IC6270, Audio A/D IC3200, Audio Controller — 35 —...
  • Page 36 IC6400, LVDS Transmitter IC5900, Voltage detecting delay circuit — 36 —...

  • Page 37: Block Diagrams

    IC BLOCK DIAGRAMS (CONT.) IC1670, DC to DC Converter IC6504, HDMI Switch selector — 37 —...

  • Page 38: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER — 38 —...
  • Page 39 TROUBLESHOOTING FLOW CHARTS (Cont.) NO AUDIO — 39 —...
  • Page 40 NO VIDEO — 40 —...

  • Page 41: Control Port Functions

    CONTROL PORT FUNCTIONS System Control (CPU : IC800) Name Function Description P12/SCK0 Reserve (OPEN) P13/SO1 Reserve (OPEN) P14/SI1/SB1 IIC-BUS for NV DATA Active ‘L’ for IIC data NV P15/SCK1 IIC-BUS for NV CLOCK Active ‘L’ for IIC clock NV P16/T1PWML REG SW2 REG SW2 (ON:High OFF:Low) P17/T1PWMH/BUZ...

  • Page 42: Control Port Functions

    CONTROL PORT FUNCTIONS (Cont.) System Control (CPU : IC800 CONT.) Name Function Description P73/INT3/T0IN Rcin RC Input RESET in Microcomputer Reset RESET:Low Normal:High XT1/AN10 Conect to VDD1 XT2/AN11 Reserve (OPEN) VSS1 GND(0Vdc) Main Clock IN (Fosc=8MHz) Main Clock OUT (Fosc=8MHz) VDD1 Power IN 5V(5Vdc±10%)

  • Page 43: 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 44: Pin Layouts

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

  • Page 45: 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 46: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS — 46 —...
  • Page 47 For parts or service contact Sanyo Manfacturing Corporation P.O. Box 2000 3333 Sanyo Road Forrest City, Arkansas 72335-2000 April 2008 SMC Published in U.S.A. — 47 —...

  • Page 48: Schematic Diagrams

    MODEL DP37647 Chassis No. P37647-04 SCHEMATIC DIAGRAMS ELECTROSTATICALLY SENSITIVE DEVICES Many solid-state devices (especially Integrated Circuits) are Electrostatically TO SPEAKER Sensitive, and, therefore, require special handling techniques as described under J10EA043N “Servicing Electrostatically Sensitive Devices,” on page two in this service literature. C1609 C1634 L1614...

  • Page 49: Schematic Diagrams

    MODEL DP37647 Chassis No. P37647-04 SCHEMATIC DIAGRAMS R6433 ROTATE R6331 DISP_EN C6335 D3.3V *R6432 L5805 1/10GZ0.0 R6430 C5809 TXCLKE+ R5805 Q5805 *K5LVDS IC6051 *L6414 C5817 PQ070XNA1ZPP R6434 TXCLKE- R6327 C6409 C6410 C5801 L5801 R5844 D D G R6329 D3.3V *R6420 L6302 C6336 6.3EM...

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