Sanyo DP15657 Service Manual
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Sanyo DP15657 Service Manual

Sanyo DP15657 Service Manual

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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 - 9
Chassis Electrical Parts List . . . . . . 10 - 24
Cabinet Parts List . . . . . . . . . . . . . . . . . . 25
Locations . . . . . . . . . . . . . . . . . . . 26 - 27
Troubleshooting Flow Charts . . . . . 36 - 38
Control Port Functions. . . . . . . . . . . 39 - 40
Schematic Notes . . . . . . . . . . . . . . . . . . . 41
Pin Layouts. . . . . . . . . . . . . . . . . . . . . . . . 42
Capacitor and Resistor Codes . . . . . . . . 44
Schematic Diagrams . . . . . . . . . . . . 45 - 46
DP15657, N4SM, PRODUCT CODE 113013304
Remote Control Digital
Color Television
Specifications
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
Antenna Input Impedance . . . . . . . . . . . . . . . . . 75Ω
Receiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),
Remote Ready . . . . . . . . . . 32 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 2.0 W/CH
Intermediate Frequency
LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . T150XG01 V4
Cabinet Dimensions
AS
FILE NO.
DP15657
ORIGINAL VERSION
Chassis No. P15657-00
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.
40W (Avg), 0.8A (Max)
01, 14-94, 95-125 (CATV)
Picture IF Carrier . . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311mm
Depth including base . . . . . . . . . . . . . . . . 154mm
REFERENCE No.
(U.S.A.)
(CANADA)
UHF/VHF/CATV
14 - 69 (UHF),
1 - 135 (Digital)
SM
780147

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  • Page 1: Table Of Contents

    Height ......311mm Depth including base ....154mm DP15657, N4SM, PRODUCT CODE 113013304 REFERENCE No.

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS SAFETY PRECAUTIONS PRODUCT SAFETY NOTICE WARNING: The chassis of this receiver has a floating ground with the hen replacing components in a receiver, always keep in mind potential of one half the AC line voltage in respect to earth ground. the necessary product safety precautions.

  • Page 3: Service Adjustments

    SERVICE ADJUSTMENTS GENERAL Volume – Enter Service Menu This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the ser- 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, including the power 1.

  • Page 6: Mechanical Disassemblies

    MECHANICAL DISASSEMBLY CAUTION: This LCD TV uses several different kinds of screws. Using the correct screw is neces- sary to prevent damage. Lead wires must be redressed to their previous locations after servicing. STAND REMOVAL Note: Position TV face down on a padded or cush- ioned surface to protect the screen and finish.
  • Page 7 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. POWER BOARD REMOVAL Remove 2 screws to take off the power unit. Power Unit MAIN BOARD REMOVAL Remove 3 screws to take off the main board.
  • Page 8 MECHANICAL DISASSEMBLY (CONT.) MOUNTING BRACKET AND SPEAKER REMOVAL Remove 11 screws to take off the mouniting bracket and the right speaker. Mounting Bracket Speaker LEFT SPEAKER REMOVAL Remove 2 screws and remove the left speaker. Speaker — 8 —...
  • Page 9 LCD PANEL REMOVAL Lift panel from cabinet. LCD Panel CONTROL BOARD REMOVAL Remove 2 screws to take off the control board with the button assembly parts. Control Board — 9 —...

  • 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 C839 CK1H103ZLZFNG CERAMIC 0.01U Z C840 CK1H333KLZBNG CERAMIC 0.033U K C001 CPXLB1C100YAN NP-ELECT 10U M C841 CEXLB1H2R2VDN ELECT 2.2 U M C001 CPXLB1C100ZAN NP-ELECT 10U M C841 CEXLB1H2R2WAN ELECT 2.2U M C002 CK1H104ZLZFNG...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location C1630 CEXLB1C101WAN ELECT 100U M C5510 CK1A105ZLZFNG CERAMIC 1U Z C1631 CK1H104ZLZFNG CERAMIC 0.1U Z C5511 CEXLB1H100VDN ELECT 10U M C1632 CK1H104ZLZFNG CERAMIC 0.1U Z C5511 CEXLB1H100WAN ELECT 10U M C1633 CEXLB0J102VDN ELECT...
  • Page 13 Schematic Schematic Part No. Part No. Description Description Location Location C5578 CEXLB0J221VDN ELECT 220U M 6.3V C6105 CC1H3R0CLZCNG CERAMIC 3P C C5578 CEXLB0J221WAN ELECT 220U M 6.3V C6106 CC1H390JLZCNG CERAMIC 39P J C5580 CK1H104ZLZFNG CERAMIC 0.1U Z C6107 CK1A105ZLZFNG CERAMIC 1U Z C5581 CK1H104ZLZFNG...

  • Page 14: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location C6242 CK1H104ZLZFNG CERAMIC 0.1U Z C6335 CK1H103ZLZFNG CERAMIC 0.01U Z C6243 CK1H104ZLZFNG CERAMIC 0.1U Z C6336 CK1H103ZLZFNG CERAMIC 0.01U Z C6244 CK1H104ZLZFNG CERAMIC 0.1U Z C6337 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W C6245 CK1H104ZLZFNG CERAMIC...
  • Page 15 Schematic Schematic Part No. Part No. Description Description Location Location IC802 QLE24C042M-EP IC LE24C042M-TLM-E L1621 1LB4L26B1030N INDUCTOR, 56UH QXXAVC820---P IC AT24C04N-10SU-1.8 L1622 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W QXXAVC844---P IC CAT24C04WI-GT3 L1630 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W QXXGA0500017P IC LE24C0411M-TLM-E-C L1631 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W IC805...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location L5510 1LB4L26B0740G INDUCTOR, 220 OHM L6222 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L5511 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6223 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L5512 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L6224 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L5513...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location Q801 T2SC3928A1S-P TR 2SC3928A1S Q1203 T2SC2812-L6-P TR 2SC2812-L6-TB Q803 T2SC2412K-R-P TR 2SC2412K-T-96-R Q1203 T2SC2812-L7-P TR 2SC2812-L7-TB Q803 T2SC2412K-S-P TR 2SC2412K-T-96-S Q1203 T2SC2812N-L6P TR 2SC2812N-L6-TB Q803 T2SC2812-L6-P TR 2SC2812-L6-TB Q1203 T2SC3928A1R-P TR 2SC3928A1R Q803 T2SC2812-L7-P...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location Q1603 T2SC3928A1R-P TR 2SC3928A1R Q5802 T2SA1037AK-SP TR 2SA1037AK T146 S Q1603 T2SC3928A1S-P TR 2SC3928A1S Q5802 T2SA1037K-R-P TR 2SA1037K-T-96-R Q1605 T2SC2412K-R-P TR 2SC2412K-T-96-R Q5802 T2SA1037K-S-P TR 2SA1037K-T-96-S Q1605 T2SC2412K-S-P TR 2SC2412K-T-96-S Q5802 T2SA1179-M6-P TR 2SA1179-M6...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location Q6250 T2SA1037K-R-P TR 2SA1037K-T-96-R RB6202 1AV4R1D33304G R-NETWORK 33X4 1/32W Q6250 T2SA1037K-S-P TR 2SA1037K-T-96-S RB6203 1AV4R1D33304G R-NETWORK 33X4 1/32W Q6250 T2SA1179-M6-P TR 2SA1179-M6 RB6204 1AV4R1D33304G R-NETWORK 33X4 1/32W Q6250 T2SA1179-M7-P TR 2SA1179-M7-TB RB6205 1AV4R1D33304G R-NETWORK 33X4 1/32W...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location R848 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R1043 RGF47R0JTCANL MT-GLAZE 47 JA 1/10W R849 RGF1003JTCANL MT-GLAZE 100K JA 1/10W R1044 RGF75R0JTCANL MT-GLAZE 75 JA 1/10W R850 RGF1003JTCANL MT-GLAZE 100K JA 1/10W R1049 RGF47R0JTCANL MT-GLAZE...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location R1269 RGF1001JTCANL MT-GLAZE 1K JA 1/10W R1698 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R1271 RGF1001JTCANL MT-GLAZE 1K JA 1/10W R1699 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R1600 RGF3300FTCANL MT-GLAZE 330 FA 1/10W R1800 RGF1000JTCANL MT-GLAZE...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location R5525 RGF3900FTCANL MT-GLAZE 390 FA 1/10W R5901 RGF1202JTCANL MT-GLAZE 12K JA 1/10W R5527 RGF3302JTCANL MT-GLAZE 33K JA 1/10W R5902 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R5528 RGF8200FTCANL MT-GLAZE 820 FA 1/10W R5903 RGF4702JTCANL MT-GLAZE...
  • Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R6222 RGF33R0JTCANL MT-GLAZE 33 JA 1/10W R6285 RGF2203JTCANL MT-GLAZE 220K JA 1/10W R6225 RGF10R0JTCANL MT-GLAZE 10 JA 1/10W R6286 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R6229 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R6287 RGFR000ZTCANL MT-GLAZE...
  • Page 24 Schematic Schematic Part No. Part No. Description Description Location Location SWITCHES INVERTER / POWER BOARD SW1901 1AV4S10B0900J SWITCH, PUSH 1P-1T U901 1AV4U20C09100 UNIT, INVERTER-POWER BRD SW1901 1AV4S10B5650J SWITCH, PUSH 1P-1TX1 SW1902 1AV4S10B0900J SWITCH, PUSH 1P-1T Non-servicable part. No discreet parts are supplied for this PC SW1902 1AV4S10B5650J SWITCH, PUSH 1P-1TX1...

  • Page 25: Cabinet Parts List

    1AA2CBM0428-- CABINET BACK-N4SG 1JC6P1P0292-- OWNER’S MANUAL (Spanish) 1AA2BUM0529-A BUTTON UNITED-N4TK 1JC6P1P0293-- OWNER’S MANUAL (French) 1AA2DEM0444-- DEC IND 1LB0U10B01802 ASSY, REMOCON 1AA2SDM0171-A STAND COVER 1AA2RCM0305-- RC BATTERY LID 1AA0HGF0015-A ASSY HINGE 1AA2DES0915-A DEC SHEET HDTV 1AV2BAAS014AA BADGE, SANYO — 25 —...

  • Page 26: 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 R1637 R1648 R1688 R863 L1605 IC001 R858 R1681 IC001A RB6355 R872 R1634 IC001B R6264...
  • Page 27 MAIN BOARD FOIL SIDE L1723 L1722 SC1508 K9100 L2017 L1721 R1515 R017 R9108 L2016 R1517 C011 K_DL IC001 L1713 R1518 R1805 C842 R9105 K_DEBUG C694 IC001A C002 R1516 SC1805 IC001B R9101 L1716 SC1509 IC001C K1000 L6704 R1807 R9106 IC001D SC1806 C689 R1803 C010...

  • Page 28: Block Diagrams

    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 Standby Standby SW CH 1 CH 1 CH 1 CH 1 Input Output (in) (out) RNf1 PRE-GND POWER TSD Protector (For input) (Thermal protection curcuit) (For output) RNf2 CH 2 CH 2 CH 2 Output CH 2 (in)
  • Page 31 IC1600, DC to DC Converter IC1620, DC to DC Converter — 31 —...
  • Page 32 IC BLOCK DIAGRAMS (CONT.) IC1630, DC to DC Converter IC1640, DC to DC Converter — 32 —...
  • Page 33 IC5500 Screen Controller — 33 —...
  • Page 34 IC BLOCK DIAGRAMS (CONT.) IC5700, IC5720 DDR: Double Data Rate SDRAM IC6100, TS Demodulator — 34 —...
  • Page 35 IC6200, A/D Converter — 35 —...

  • Page 36: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER — 36 —...
  • Page 37 NO VIDEO — 37 —...

  • Page 38: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO — 38 —...

  • Page 39: Control Port Functions

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

  • Page 40: 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 41: 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 42: 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 43: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS — 43 —...

  • Page 44: Capacitor And Resistor Codes

    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 September 2007 SMC Published in U.S.A.

  • Page 45: Schematic Diagrams

    MODEL DP15657 Chassis No. P15657-00 SCHEMATIC DIAGRAMS B4A10B04600 :B4A10B08100 NOTES; TO SPEAKER Confidential 1. RESISTORS SPECIFIED WITH RESISTANCE VALUE ARE "1/6DJ" 2. RESISTORS SPECIFIED WITH TYPE OF RESISTOR, TOLERANCE ELECTR OS TATICALL Y SENSA TIVE DEVICES ELECTROSTATICALLY SENSATIVE DEVICES 5 Pin AND RESISTANCE VALLUE ARE "1/4".

  • Page 46: Schematic Diagrams

    MODEL DP15657 Chassis No. P15657-00 SCHEMATIC DIAGRAMS Confidential *R6354 D3.3V 1/10GJ1KC LVDS_SW *Q6354 2SC2411KQP R6231 GND_LVDS 1/10GJ C6232 C6231 CJ15CL CJ15CL R6240 *C6365 A3.3V 1/10GZ0C KZ0.1LZF LVDS_POW X6201 L6201 C6236 1/10GZ0.0 C6235 V10B8280G L6396 R6241 0.1LZF 0.1LZF 1/10GZ0.0 1/10GZ0C C6364...

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