Table of Contents
TROUBLESHOOTING GUIDE
P42142-00 / P42142M-00 / P42142-02 / P42142M-02
This guide is divided into 4 sections/pages depending on type of defect:
page 1)No Green LED Power Light.(LED never turns"ON")
page 2)Green LED Light is "ON", but Backlight is not "ON",or only turn"ON & then OFF".
page 3)Green LED Light is "ON", and Backlight is "ON", but there is no video/OSD.
page 4)Green LED Light turns "ON", but then turns "OFF"within 10 seconds.
Please select the section/page that matches your defect and follow the flow chart.
These models & chassis versions are in this guide:
P42142-00
P42142M-00
P42142-02
P42142M-02
PLEASE KEEP THIS GUIDE.
IT WILL NOT BE PROVIDED FOR EVERY REPAIR.
SANYO
2012 MODELS
2012/03/23
2012-4A
Table of Contents
Troubleshooting
Related Manuals for Sanyo DP42142
Summary of Contents for Sanyo DP42142
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Page 1: Troubleshooting Guide
2012/03/23 2012-4A SANYO TROUBLESHOOTING GUIDE 2012 MODELS P42142-00 / P42142M-00 / P42142-02 / P42142M-02 This guide is divided into 4 sections/pages depending on type of defect: page 1)No Green LED Power Light.(LED never turns“ON”) page 2)Green LED Light is “ON”, but Backlight is not “ON”,or only turn“ON & then OFF”. - Page 2 Repair Flow Chart:Trouble Condition Green Power LED does not turn on. The TV is dead. Green Power LED: Does not turn ON. The TV is dead. For Main board: No:0v Is the “5VSTB” working normally? (see TABLE*1.0) Yes:5v No:0v Unplug(K7B) connector on Power board can not work.
- Page 3 Repair Flow Chart:Trouble Condition Green Power is on, but LCD backlight is not on. Backlight does not turn on, or only turns on and then off. Power LED turns ON, but LCD backlight is not ON or only turns ON and then OFF.
- Page 4 (TABLE *3.0) Power board: 24V Test Points 42" Models 24V on Power board Confirmation Voltage P42142-00 Z5GH Power K703 Pin1/2/3/4/5 P42142M-00 Z5GHM P42142-02 Z5GK P42142M-02 Z5GKM (TABLE *4.0) Power board: BL-SW Test Points 42" Models BL-SW on Power board Confirmation Voltage P42142-00 Z5GH Power K703 Pin12...
- Page 5 Repair Flow Chart:Trouble Condition Green Power LED and LCD backlight is ON, but no video or OSD. LCD backlight is ON, but TV has NO VIDEO or OSD. For Main board: No:0V Is the 12V supplied from “K8B Pin 6/7”? Replace“Power board”...
- Page 6 Repair Flow Chart:Trouble Condition Power LED turns OFF within 10 seconds after the TV power turns Power LED turns OFF within 10 seconds after TV power turns on. No:0V For Main board: Is 3.3V supplied to“K8B Pin1”during LED power on ? Main board can not work.
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Page 7: Table Of Contents
HEIGHT ....... 628mm DEPTH INCLUDING BASE ....196mm DP42142, Z5GH, PRODUCT CODE 113025407 REFERENCE No. -
Page 8: 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 9: Service Adjustments
SERVICE ADJUSTMENTS GENERAL This set has an On-screen Service Menu system included in Volume – Enter Service Menu the CPU that allows remote operation for most of the service adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: • Turn off the receiver and disconnect the AC power supply. -
Page 10: On-Screen Service Menu
ON-SCREEN SERVICE MENU Table 1. ON-SCREEN SERVICE MENU When IC5750 (Flash Memory) 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. Index ParameterName Value NOTES: Option 2 Data (Display Panel) Option 1 and Option 2 data is initial and can be set according to adjusment information. -
Page 11: Power Failure Circuit
POWER FAILURE CIRCUIT Check the following if the unit is turned off by the power Internal sub_CPU on main IC 5500 is programmed so the failure detector. set will go to standby mode when there is circuit failure as described below. (Refer to“Block Diagram Power Lines”.) 1. -
Page 12: 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 prevent interference to other radio and television receivers. The Earth sheet and gasket should be returned to its previous position after servicing. - Page 13 MECHANICAL DISASSEMBLY (Continued) MAIN BOARD AND CHASSIS BASE REMOVAL Remove 4 screws (E:3x6), and one (1) Nut (F) to take the main board off. ATTENTION – The terminal base and button united should be returned to their previous position after servicing. SPEAKER REMOVAL No screws.
- Page 14 MECHANICAL DISASSEMBLY (Continued) RC BOARD REMOVAL Remove 1 screws (C:3x10) to take the RC BOARD off. MOUNTING WALL REMOVAL Remove 2 nuts (G) from the cabinet back ATTENTION – Confirm Mounting wall wire is installed when you install the back cabinet. –...
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Page 15: 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 16: Cabinet Parts
F1H1H104A913 CERAMIC 0.1U K 1JC0CBM0548A- CABINET BACK-Z5GH C1604 F2G1C2210024 ELECT 220U M ACCESSORY F2G1C221A066 ELECT 220U M 1JC0P1P0015— DP42142 ENGLISH SHEET-Z5GH C1607 F2G1C2210024 ELECT 220U M 1JC0P1P0016— DP42142 SPANISH SHEET-Z5GH F2G1C221A066 ELECT 220U M C1610 F1H1C473A041 CERAMIC 0.047U K MAIN DIGITAL BOARD... - Page 17 Schematic Schematic Part No. Part No. Description Description Location Location C5536 F1G1H221A737 CERAMIC 220P J C5616 F1G1C104A077 CERAMIC 0.1U K C5537 F1J0J106A004 CERAMIC 10U K 6.3V C5617 D0GA103JA047 MT-GLAZE 10K JA 1/16W F1J0J106A020 CERAMIC 10U K 6.3V C5618 F1G1C104A077 CERAMIC 0.1U K C5538 F1G1H1020008...
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Page 18: Integrated Circuits
Schematic Schematic Part No. Part No. Description Description Location Location C6560 F1G1C104A077 CERAMIC 0.1U K DIODES C6561 F1G1C104A077 CERAMIC 0.1U K D002 B0ACCK000005 DIODE 1SS355-TE-17 C6600 F1G1A105A047 CERAMIC 1U K B0ACCK000019 DIODE 1SS355 C6601 F1G1A105A047 CERAMIC 1U K B0ACDJ000007 DIODE 1SS352-(TPH3) C6602 F2G1C2210024 ELECT... - Page 19 Schematic Schematic Part No. Part No. Description Description Location Location IC5750 QXXAAJQ1461— IC S25FL064P0XMFI000-Z6SE L5505 J0JCC0000371 “INDUCTOR , 120 OHM” IC5900 C0EBY0001079 IC XC6118N28AMR-G L5506 J0JCC0000371 “INDUCTOR , 120 OHM” IC6500 C0JBAA000345 “IC TC7SET08FU(T5L,JF)” L5507 J0JCC0000371 “INDUCTOR , 120 OHM” C0JBAA000502 “IC TC7SET08FU(5L,JF,T”...
- Page 20 Schematic Schematic Part No. Part No. Description Description Location Location TRANSISTORS R006 D0GB470J0002 MT-GLAZE 47 JA 1/10W D0GB470JA041 MT-GLAZE 47 JA 1/10W Q1610 B1ABCE000028 TR MMBTSC3928R D0GB470JA089 MT-GLAZE 47 JA 1/10W B1ABDF000013 TR 2SC3928A1R R007 J0JCC0000371 INDUCTOR 120 OHM B1ABDF000024 TR 2SC3928A1S R008 J0JCC0000371...
- Page 21 Schematic Schematic Part No. Part No. Description Description Location Location R1610 D0GB103JA041 MT-GLAZE 10K JA 1/10W R1790 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W D0GB103JA089 MT-GLAZE 10K JA 1/10W R1791 D0GB101JA041 MT-GLAZE 100 JA 1/10W R1611 D0GBR00JA071...
- Page 22 Schematic Schematic Part No. Part No. Description Description Location Location R5517 D0GB101JA041 MT-GLAZE 100 JA 1/10W R1909 D0GB123JA041 MT-GLAZE 12K JA 1/10W D0GB123JA072 MT-GLAZE 12K JA 1/10W D0GB101JA069 MT-GLAZE 100 JA 1/10W D0GB123JA089 MT-GLAZE 12K JA 1/10W D0GB101JA089 MT-GLAZE 100 JA 1/10W R1910 D0GB103JA041 MT-GLAZE...
- Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R5579 D0GB103JA041 MT-GLAZE 10K JA 1/10W R5541 D0GB333JA041 MT-GLAZE 33K JA 1/10W D0GB333JA070 MT-GLAZE 33K JA 1/10W D0GB103JA072 MT-GLAZE 10K JA 1/10W D0GB333JA089 MT-GLAZE 33K JA 1/10W D0GB103JA089 MT-GLAZE 10K JA 1/10W R5542 D0GB273JA041 MT-GLAZE...
- Page 24 Schematic Schematic Part No. Part No. Description Description Location Location D0GB101JA069 MT-GLAZE 100 JA 1/10W R6315 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB101JA089 MT-GLAZE 100 JA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W R5702 D0GB101ZA037 MT-GLAZE 100 FA 1/10W R6317 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB101ZA068 MT-GLAZE...
- Page 25 Schematic Schematic Part No. Part No. Description Description Location Location D0GB470JA041 MT-GLAZE 47 JA 1/10W R6577 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB470JA089 MT-GLAZE 47 JA 1/10W D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W R6530 D0GB473JA041 MT-GLAZE 47K JA 1/10W R6579 D0GBR00JA071 MT-GLAZE 0.000 ZA 1/10W D0GB473JA072 MT-GLAZE...
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Page 26: Power Board
Schematic Schematic Part No. Part No. Description Description Location Location D0GBR00Z0002 MT-GLAZE 0.000 ZA 1/10W R6725 D0GB472ZA038 MT-GLAZE 4.7K FA 1/10W D0GB472ZA068 MT-GLAZE 4.7K FA 1/10W R6906 D0GB471ZA037 MT-GLAZE 470 FA 1/10W D1BB4701A055 MT-GLAZE 4.7K FA 1/10W D0GB471ZA068 MT-GLAZE 470 FA 1/10W R6726 D0GB183ZA038 MT-GLAZE... - Page 27 Schematic Schematic Part No. Part No. Description Description Location Location C637 F1AAF102A017 CERAMIC 1000P M 250V B3PAA0000612 PHOTO COUPLE PC123X5YFZ0F C639 F1H1E105A100 CERAMIC 1U K D609 B0ACCK000005 DIODE 1SS355-TE-17 C640 F2A1H220B790 ELECT 22U M B0ACCK000019 DIODE 1SS355 C642 F1H1H104A913 CERAMIC 0.1U K B0ACDJ000007 DIODE 1SS352-(TPH3)
- Page 28 Schematic Schematic Part No. Part No. Description Description Location Location B0BC018A0383 ZENER DIODE MM3Z 18B INTEGRATED CIRCUITS DZDZ2J180M0LG ZD DIODE DZ2J180M0L IC601 QXXAVD340—-M IC MIP2M40MSSCF D721 B0ACCK000005 DIODE 1SS355-TE-17 IC602 C0DBBYY00053 IC SSC9522S B0ACCK000019 DIODE 1SS355 IC703 C0BBBA000078 IC LM393D B0ACDJ000007 DIODE 1SS352-(TPH3) IC704...
- Page 29 Schematic Schematic Part No. Part No. Description Description Location Location D0GB471JA069 MT-GLAZE 470 JA 1/10W R611 D0GF104JA064 MT-GLAZE 100K JA 1/4W D0GF104JA077 MT-GLAZE 100K JA 1/4W D0GB471JA089 MT-GLAZE 470 JA 1/10W D1BF1003A068 MT-GLAZE 100K JA 1/4W R635 D0GB181ZA037 MT-GLAZE 180 FA 1/10W R612 D0GF104JA064 MT-GLAZE...
- Page 30 Schematic Schematic Part No. Part No. Description Description Location Location R702 D0GB822ZA038 MT-GLAZE 8.2K FA 1/10W D0GB473JA072 MT-GLAZE 47K JA 1/10W D0GB822ZA068 MT-GLAZE 8.2K FA 1/10W D0GB473JA089 MT-GLAZE 47K JA 1/10W D1BB8201A055 MT-GLAZE 8.2K FA 1/10W R725 D0GB102JA041 MT-GLAZE 1K JA 1/10W R703 D0GF472JA064 MT-GLAZE...
- Page 31 Schematic Schematic Part No. Part No. Description Description Location Location R744 D0GB103JA041 MT-GLAZE 10K JA 1/10W MISCELLANEOUS D0GB103JA072 MT-GLAZE 10K JA 1/10W A100 1LG0B10Y10800 “ASSY,PWB, POWER-COMP- D0GB103JA089 MT-GLAZE 10K JA 1/10W Z5GH” R745 D0GB103JA041 MT-GLAZE 10K JA 1/10W A101 1LG0B10Y1080A “ASSY,PWB,POWER-Z5GH”...
- Page 32 SERVICE PARTS "For Digital Main board replacement please get the correct assembly name/part number" Service Name: ASSY, PWB, MAIN-Z5GH Japan BOM part number: 1LG0B10Y107C0 "For RC/LED unit replacement please get the correct assembly name/part number" Service Name: ASSY,PWB,RC/LED-Z5GH Japan BOM part number: 1LG0B10Y1080B NOTE: This is a sub-assembly (A100) from ASSY,PWB, POWER-COMP-Z5GH "For Power board replacement please get the correct assembly name/part number"...
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Page 33: Component And Test Point Locations
COMPONENT AND TEST POINT LOCATIONS MAIN BOARD PARTS SIDE MAIN BOARD SOLDER SIDE R6704 C6706 D6700 CL21 R6705 C6705 C6700 C6702 SE10 SH10 C5544 C5553 Q6701 L5513 C5549 IC6700 C5527 R6707 R6706 R6709 C5561 C5562 C5519 K55SP C5560 C5713 C5563 C5524 R5702 C5712... - Page 34 PWB RC LED PARTS SIDE PWB RC LED SOLDER SIDE K39K R3914 Q3900 R3904 R3912 R3907 R3905 R3920 R3902 D3900 R3913 C3900 C3907 R3908 Q3902 D3904 D3901 R3903 D3902 C3903 C3902 A3900 C3904 – 28 –...
- Page 35 POWER BOARD PART SIDE C605H2 L601 L601H2 L601H3 C605 T C H P R S Q V D730H1 R603 C605H1 T601 C602 L707 D602 VA601 PARTS SIDE R602 L601H1 L601H4 R648 C617 C713 D730H2 R648H2 R648H1 J646 J603 C601 C606H1 C606H2 J618 D605...
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Page 36: Block Diagram Power Lines
BLOCK DIAGRAM POWER LINES – 30 –... -
Page 37: Block Diagram Signal Lines
BLOCK DIAGRAM SIGNAL LINES DDR2 Main n Unit SPI Flash 512Mb (64MB) (400MHz) HDMI1 (or DVI) sLDM Memory HDMI Interface USB 2.0 HDMI2 Unit HDMI3 BackEnd UART(Debug) UART(Factory) Sub CPU H.264, VC1 MPEG4 Dual-Audio RF-IN MPEG2 ATSC Processing Decode Digital & Unit Digital/ Unit... -
Page 38: Ic Block Diagrams
IC BLOCK DIAGRAMS IC001_C1AB00003628_IC STA333W13TR, Audio AMP I C ctrl Protection current/thermal Interface Logic Volume control Regulators Bias Digital signal processing Power stage IC5750, Flash Memory – 32 –... - Page 39 IC6750_C0DBGYY02242_AP2128K-ADJTRG1 IC5500 Main Chip signal processor Stream Block AV Decode Block IF in De-modulator Transport Media Core Processor Decoder Remocon IF AVIO Block Standby Micro Block Clock (AM32) Reset Video IO Video In Decoder Video System Control Block Processor IVideo Out Audio LVDS De-mix...
- Page 40 IC6600_C0DBZYY00485, USB Protection IC6700_C0CBAYG00009_LM1117S-ADJ IC6560_C0JBAA000502_TC7SET08FU – 34 –...
- Page 41 IC6720_C0DBAYY01122_BD9328EFJ-E2 IC5700_C3ABSY000102_IC H5PS5162GFR-S6C – 35 –...
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Page 42: 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? MAIN IC (IC5500), Crystal (X5500), Power Unit (or the voltage to some lines is not supplied.) After a few seconds, the set will be switched off. - Page 43 NO VIDEO Check: RF(TV), Digital(TV) All Inputs? Line : IC6751 25pin - IC5500 12pin IC6751 11pin - IC5500 95pin only Parts: IC6751 (TU_IF)and peripheral circuit, IC5500 Check: Line: AV1 only Term inal(CV) - IC5500 96pin Pa rt s: IC5500 and peripheral circuit Check: AV2 only Line:...
- Page 44 NO AUDIO Is there Check: All Modes ? signal at speaker Speaker(SP901,SP902) terminal ? Check: Is there Line : IC001 10,13pin(L),6,9pin(R) signal at IC001 ? Parts: IC001 (Audio AMP.) and peripheral circuit Check: Line: IC001 27pin - IC5500 80pin (ACLK) IC001 30pin - IC5500 247pin (ADATA1) IC001 29pin - IC5500 157pin (LRCLK) IC001 28pin - IC5500 221pin (BCLK)
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Page 45: 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 46: Ic, Diode, And Transistor Pin Layouts
IC, DIODE, AND TRANSISTOR PIN LAYOUTS – 40 –... -
Page 47: Pc Board Connections And Locations
PC BOARD CONNECTIONS AND LOCATIONS – 41 –... -
Page 48: 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 July 2012 SMC Published in Mexico... -
Page 49: Schematic Diagrams
MODEL DP42142 Chassis No. P42142-00 SCHEMATIC DIAGRAMS For Debug C6334 Pch-MOSFET A12/15V K5DL K5DL_1 B1DHDD000041 K5DL_2 Q6329 UART0TX GATE_PIN K5DL_3 R5701 H:OFF UART0RX L:ON K5DL_4 D0GB101JA069 R6337 D3.3V C6335 C5701 C5703 D0GB105JA071 F1G1C104A077 F1G1C104A077 ELECTROSTATICALLY SENSITIVE DEVICES R6340 R6703 R6705... - Page 50 MODEL DP42142 Chassis No. P42142-00 SCHEMATIC DIAGRAMS ELECTROSTATICALLY SENSITIVE DEVICES R2410 Many solid-state devices (especially Integrated Circuits) are Electrostatically D0GBR00JA071 Sensitive, and, therefore, require special handling techniques as described under PC_AUDIOR “Servicing Electrostatically Sensitive Devices,” on page two in this service literature.
- Page 51 MODEL DP42142 Chassis No. P42142-00 SCHEMATIC DIAGRAMS SCREW T602 D729A 1AA0HEA0113-- T602H8 C706 R628 ZB13 G4CYAYY00278 D729B D0C2R15JA119 SCB1 :ZB29:ZAV6120KE24-- SCB2 12VH 1 2 3 4 5 6 7 1 2 3 4 5 6 7 R628H1 R628H2 Q601AD J0JYZ0000005...
- Page 52 MODEL DP42142 Chassis No. P42142-00 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. 1LG4B10Y0980C...