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Audiovox FPE3705 - 37" LCD TV, Service Manual

The Audiovox FPE3705 is a 37" LCD TV that offers crystal-clear picture quality and immersive sound. To ensure you get the most out of your TV, make sure to download the free Service Manual from manualshive.com. This manual provides step-by-step instructions for setup and troubleshooting, making it easy to optimize your viewing experience.

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353-62494-20

*SMD ICM62494FP        (M)

NA03

455-12000-H0

SMD RESISTOR FTR0603000XR

RA47

455-12000-H0

SMD RESISTOR FTR0603000XR

RA48

455-12075-H0

SMD RESISTOR FTR0603750JR

RA11

455-12110-H0

SMD RESISTOR FTR0603101JR

RA01

455-12110-H0

SMD RESISTOR FTR0603101JR

RA02

455-12110-H0

SMD RESISTOR FTR0603101JR

RA03

455-12110-H0

SMD RESISTOR FTR0603101JR

RA08

455-12110-H0

SMD RESISTOR FTR0603101JR

RA12

455-12110-H0

SMD RESISTOR FTR0603101JR

RA13

455-12110-H0

SMD RESISTOR FTR0603101JR

RA22

455-12110-H0

SMD RESISTOR FTR0603101JR

RA24

455-12110-H0

SMD RESISTOR FTR0603101JR

RA25

455-12110-H0

SMD RESISTOR FTR0603101JR

RA26

455-12110-H0

SMD RESISTOR FTR0603101JR

RA27

455-12110-H0

SMD RESISTOR FTR0603101JR

RA30

455-12110-H0

SMD RESISTOR FTR0603101JR

RA36

455-12110-H0

SMD RESISTOR FTR0603101JR

RA51

455-12110-H0

SMD RESISTOR FTR0603101JR

RA52

455-12000-H0

SMD RESISTOR FTR0603000XR

RA06

455-12210-H0

SMD RESISTOR FTR0603102JR

RA37

455-12210-H0

SMD RESISTOR FTR0603102JR

RA38

455-12215-H0

SMD RESISTOR FTR0603152JR

RA40

455-12220-H0

SMD RESISTOR FTR0603202JR

RA35

455-12230-H0

SMD RESISTOR FTR0603302JR

RA41

455-12239-H0

SMD RESISTOR FTR0603392JR

RA39

455-12268-H0

SMD RESISTOR FTR0603682JR

RA31

455-12268-H0

SMD RESISTOR FTR0603682JR

RA33

455-12310-H0

SMD RESISTOR FTR0603103JR

RA14

455-12310-H0

SMD RESISTOR FTR0603103JR

RA15

455-12310-H0

SMD RESISTOR FTR0603103JR

RA16

455-12310-H0

SMD RESISTOR FTR0603103JR

RA17

455-12310-H0

SMD RESISTOR FTR0603103JR

RA18

455-12310-H0

SMD RESISTOR FTR0603103JR

RA19

455-12310-H0

SMD RESISTOR FTR0603103JR

RA20

455-12310-H0

SMD RESISTOR FTR0603103JR

RA21

455-12310-H0

SMD RESISTOR FTR0603103JR

RA23

455-12310-H0

SMD RESISTOR FTR0603103JR

RA28

455-12310-H0

SMD RESISTOR FTR0603103JR

RA32

455-12310-H0

SMD RESISTOR FTR0603103JR

RA34

455-12310-H0

SMD RESISTOR FTR0603103JR

RA46

455-12410-H0

SMD RESISTOR FTR0603104JR

RA43

455-12410-H0

SMD RESISTOR FTR0603104JR

RA45

455-12410-H0

SMD RESISTOR FTR0603104JR

RA49

455-12410-H0

SMD RESISTOR FTR0603104JR

RA50

455-12412-H0

SMD RESISTOR FTR0603124JR

RA59

455-12412-H0

SMD RESISTOR FTR0603124JR

RA56

455-12412-H0

SMD RESISTOR FTR0603124JR

RA57

456-1447R-C3

SMD CAPACITOR  C3216Y5V1C474ZT

CA96

456-1447R-C3

SMD CAPACITOR  C3216Y5V1C474ZT

CA97

456-2110H-11

SMD CAPACITOR  0603CG101J250BA

CA13

456-2110H-11

SMD CAPACITOR  0603CG101J250BA

CA15

456-2310R-C1

SMD CAPACITOR 06032E103Z250BA

CA55

456-2322K-B1

SMD CAPACITOR 0603X7R223K250BA

CA64

456-2410M-C1

SMD CAPACITOR 06032E104M250BA

CA09

Summary of Contents for FPE3705 - 37" LCD TV

Page 1: ...COLOR TELEVISION LC 37K7 FPE3705...

Page 2: ...pgrading LC 37K7 working principle analysis LC 37K7 block diagram IC block diagram Main assembly Identification criteria for the bright spot and dark spot of the LCD screen Wiring diagram Troubleshoot...

Page 3: ...will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the mod...

Page 4: ...of picture residue on the screen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may...

Page 5: ...signal then select the mode item after that you can press enter to select three kinds of color temperature namely 6500K 9300K and 12000K press MENU to exit Note the white balance adjustment should be...

Page 6: ...let the color coordinate of the third level be 285 and 290 and its brightness be 16nit more or less Adjust gain_R gain_G and gain_B let the color coordinate of seventh level be 285 and 290 Select 1200...

Page 7: ...are channels be skipped 4 2 AV S YpbPr terminals Input AV S HD signal check if it is normal 4 3 VGA terminal Insert VGA terminal input VGA format signal of 640 X 480 60 Hz check if the display is norm...

Page 8: ...by the red LED at the front of the TV set See if it s receiving the signal that is transmitted from other source than the station Check if it s connected to the wrong terminal or if the input mode is...

Page 9: ...y connected or if it has received the video signal correctly Blur picture Check if the antenna cable is correctly connected Of if it has received the right video signal No sound Check if the mute audi...

Page 10: ...be 115200 Then select Reset Target After Download Click FLASH pushbutton it s ready to run For other settings please refer to the Fig Above already defaulted by the system normally no need to change S...

Page 11: ...hould be sent to U12 together with he above two kinds of signal that is RGB signal of 24BIT produced by DV1 through U15 TFP403 501 Do the picture format processing for the three kinds of signal in U12...

Page 12: ...AV2 R L AV R L OUT U15 DVI DRIVER TFP403 U12 SCALER JAG ASM U29 VIDEO DECODER VPC3230 U30 ADC MST98 83 U13 DEINTER LACER FLI2310 U14 SDRAM U19 SDRAM U20 SDRAM U31 LVDS DRIVER DS90C383 U3 EEPROM NA01...

Page 13: ...l the operation of IC 27 28 PIN output left and right sound channel R L to speaker processor 36 37 PIN AV OUT of sound R L 47 48 PIN D4 1 D4 2 PCMCIA selected input R L 50 51 PIN Input of VGA R L 53 5...

Page 14: ...73 PIN Input Y of PCMCIA 6 PIN Input V of PCMCIA 31 34 37 40 PIN output format signal of ITU R656 70 PIN Video of AV OUT 71 PIN Input C of SVHS 72 PIN input Video SVHS in priority of Y or AV1 of SVHS...

Page 15: ...13 3 AD9883...

Page 16: ...14 4 FLI2310 Simplified Internal Block Diagram...

Page 17: ...15 5 JAG ASM...

Page 18: ...owered down via PDO DE 46 DO Output data enable Used to indicate time of active video display versus nonactive display or blank time During blank only HSYNC VSYNC and CTL1 2 are transmitted During tim...

Page 19: ...17 7 DS90C385 DS100868 1 Order Number DS90C385MTD or DS90C385SLC See NS Package Number MTD56 or SLC64A DS90C365 DS100868 29 Order Number DS90C365MTD See NS Package Number MTD48...

Page 20: ...U12 U13 U15 U29 U30 U31 U2 U4 JAG ASM 353 0JAG0 00 FLI2310 353 23100 00 TFP403PZP 353 04030 10 VPC3230D 353 32300 80 MST9883B 353 98830 10 DS90C385 353 03850 20 TSC80251G2D 353 80251 10 AT49F002NT 35...

Page 21: ...mm 5mm Total defected point 8 7 5 4 Notes 1 Definition of defected point bright spot dark spot It is identified as a defected point if its area exceeds 1 2 of a single picture element R G B 2 Definiti...

Page 22: ...20 Wiring diagram AV processing board Left panel To speaker To earphone Top panel Right panel CPU BOARD To Keypad board To Remote contro...

Page 23: ...ndicator in turn on condition Check if the indicator is flicker in the sensor control normal condition Check if the CN2 output 24V Check if the PIN26 30 of P4 is high level 5V Check if it s melted of...

Page 24: ...hannels Replacing CPU board Testing power supply 12V of video processing board Replacing power supply board Check if PIN2 1VPP signal and noise wave of P32 Replacing TUNER01 Check if PIN56 15 734KHz s...

Page 25: ...er supply Check PIN5 and PIN8 output wave of NA03 Check PIN27 and PIN28 output wave of NA01 Check PIN67 wave of NA01 Replacing TUNA01 Replacing NA04 Replacing NA03 Replacing NA01 no yes no yes yes yes...

Page 26: ...PART LIST OF EXPLDED VIEW NO DESCRIPTION PART EXPLODED VIEW 24 3 no sound...

Page 27: ...AN0 11 AV PROCESSING BOARD ASSY 667 L37K7 40 12 WALL MOUNT CONNECTION BRACKET 870 10242 00 13 WALL MOUNT BRACKET 870 10241 00 14 BOARD CONNECTION BRACKET LEFT 870 10234 00 15 BOARD CONNECTION BRACKET...

Page 28: ...T BELOW 870 10233 00 35 LG SCREEN CONNECTION PIECE 2 870 10245 00 36 CONNECTION BOARD 804 2A372 00 37 CONNECTION BRACKET BELOW 870 10231 00 38 STAND COLUMN BRACKET 870 10249 00 39 POWER BOARD ASSY 667...

Page 29: ...070 LED COLUMN LED TRANSPARENT 742 30088 110 TIE MOLD TRANSPARENT 770 089B0 79 2468 26 80mm TRANSPARENT 785 20023 00 SCREW CAP 804 2A372 00 CONNECT BOARD 808 1B786 AN0 AV BAFFLE 1 GREY 08 808 1B787 A...

Page 30: ...87 SCREW B M4X6 D Zn BLACK 852 34006 87 SCREW B M4X6 D Zn BLACK 852 34006 87 SCREW B M4X6 D Zn BLACK 852 34006 87 SCREW B M4X6 D Zn BLACK 852 34006 87 SCREW B M4X6 D Zn BLACK 852 34030 82 SCREW B M4X...

Page 31: ...TOP 615 10468 00 TV BOARD SHIELD COVER ASS Y BOTTOM 615 10469 00 DIGITAL BOARD SHIELD COVER ASS Y TOP 615 10470 00 DIGITAL BOARD SHIELD COVER ASS Y BOTTOM 852 33006 87 SCREW B M3X6 D Zn BLACK 852 3300...

Page 32: ...ATE LABEL 681 40002 CERTIFICATE LABEL 780 Y07LIHAN3 BACK CABINET V0 GREY 08SILK SCREEN 780 Y07L1J0G1 FRONT CABINET ABS V0 SILVER WHITE 06SILK SCREEN 886 31745 02 CARTON BOX BOTTOM COVER LC 37K7 AUDIOV...

Page 33: ...14 SCREW SJ2824 ST3X10C Y 851 23010 14 SCREW SJ2824 ST3X10C Y 851 33010 57 SCREW B 3X10G D Zn BLACK 851 33010 57 SCREW B 3X10G D Zn BLACK 864 90044 00 SOUND ABSORBENT 868 10043 00 WASHER 14X4X1 METAL...

Page 34: ...GB876 86 2X2 5 COPPER M09 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M10 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M11 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M12 895 6020025 50 RIVET GB876 86 2X...

Page 35: ...1N5822 DA03 352 21420 00 IC TLE2142 CP D NA02 352 78090 90 IC TA78L09 D NA05 364 34101 00 4 PINS CONNECTORS TJC3 04A XA12 364 34101 00 4 PINS CONNECTORS TJC3 04A XA10 364 38101 00 8 PINS CONNECTORS T...

Page 36: ...110 25V 470uF M CA116 471 1056H 003 PEAKING COIL EL0606SKI 560J LA02 471 1056H 003 PEAKING COIL EL0606SKI 560J LA03 471 1056H 003 PEAKING COIL EL0606SKI 560J LA04 471 1056H 003 PEAKING COIL EL0606SKI...

Page 37: ...0603392JR RA39 455 12268 H0 SMD RESISTOR FTR0603682JR RA31 455 12268 H0 SMD RESISTOR FTR0603682JR RA33 455 12310 H0 SMD RESISTOR FTR0603103JR RA14 455 12310 H0 SMD RESISTOR FTR0603103JR RA15 455 12310...

Page 38: ...ACITOR 06032E224M250BA CA87 456 2422M C1 SMD CAPACITOR 06032E224M250BA CA89 456 2422M C1 SMD CAPACITOR 06032E224M250BA CA101 456 2422M C1 SMD CAPACITOR 06032E224M250BA CA102 456 2447R C1 SMD CAPACITOR...

Page 39: ...EAD STPB3216 380PT LA13 666 13207 00 SMD FERRITE BEAD STPB3216 380PT LA14 666 13207 00 SMD FERRITE BEAD STPB3216 380PT LA23 666 13207 00 SMD FERRITE BEAD STPB3216 380PT LA24 666 13207 00 SMD FERRITE B...

Page 40: ...EAKING COIL EL0606SKI 560J FB28 471 1056H 00 PEAKING COIL EL0606SKI 560J FB31 352 49002 70 IC AT49F002NT 70PC U4 855 A0053 HEXAGONAL SCREW M3X7 855 A0053 HEXAGONAL SCREW M3X7 464 6C722 M0 ELECTROLYTIC...

Page 41: ...C1 SMD CAPACITOR C1608Y5V1E104ZT C324 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C329 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C489 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C488 456 2422M C1 SMD...

Page 42: ...54 03622 MA SMD ELECTROLYTIC CAPACITOR CDPS 10V 22uF M C232 454 03622 MA SMD ELECTROLYTIC CAPACITOR CDPS 10V 22uF M C248 454 03622 MA SMD ELECTROLYTIC CAPACITOR CDPS 10V 22uF M C301 454 03622 MA SMD E...

Page 43: ...86 454 04610 MA SMD ELECTROLYTIC CAPACITOR CDPS 16V 10uF M C487 454 04610 MA SMD ELECTROLYTIC CAPACITOR CDPS 16V 10uF M C497 454 04610 MA SMD ELECTROLYTIC CAPACITOR CDPS 16V 10uF M C498 454 04610 MA S...

Page 44: ...OR FTR0603000XR R21 455 12000 H0 SMD RESISTOR FTR0603000XR R22 455 12000 H0 SMD RESISTOR FTR0603000XR R23 455 12000 H0 SMD RESISTOR FTR0603000XR R85 455 12000 H0 SMD RESISTOR FTR0603000XR R89 455 1200...

Page 45: ...12075 F0 SMD RESISTOR FTM06030750FR R19 455 12075 H0 SMD RESISTOR FTR0603750JR R54 455 12075 H0 SMD RESISTOR FTR0603750JR R55 455 12075 H0 SMD RESISTOR FTR0603750JR R56 455 12075 H0 SMD RESISTOR FTR06...

Page 46: ...61JR R24 782 L37K7 560F CPU PCB 455 12210 H0 SMD RESISTOR FTR0603102JR R11 455 12210 H0 SMD RESISTOR FTR0603102JR R41 455 12210 H0 SMD RESISTOR FTR0603102JR R74 455 12210 H0 SMD RESISTOR FTR0603102JR...

Page 47: ...JR R374 455 12410 H0 SMD RESISTOR FTR0603104JR R375 455 12410 H0 SMD RESISTOR FTR0603104JR R384 455 12410 H0 SMD RESISTOR FTR0603104JR R385 455 12410 H0 SMD RESISTOR FTR0603104JR R399 455 12410 H0 SMD...

Page 48: ...CITOR C1608Y5V1E104ZT C43 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C49 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C50 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C51 456 2410R C1 SMD CAPACITOR C1608Y...

Page 49: ...C1608Y5V1E104ZT C115 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C117 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C118 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C119 456 2410R C1 SMD CAPACITOR C1608Y5...

Page 50: ...ACITOR C1608Y5V1E104ZT C181 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C182 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C183 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C184 456 2410R C1 SMD CAPACITOR C...

Page 51: ...C1 SMD CAPACITOR C1608Y5V1E104ZT C529 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C530 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C396 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C534 456 2422M C1 SMD C...

Page 52: ...ITOR 06032R103K500BA C512 456 3310K B1 SMD CAPACITOR 06032R103K500BA C513 456 3310K B1 SMD CAPACITOR 06032R103K500BA C514 456 3310K B1 SMD CAPACITOR 06032R103K500BA C515 456 3310K B1 SMD CAPACITOR 060...

Page 53: ...MD FERRITE BEAD STPB3216 380PT FB5 666 13207 00 SMD FERRITE BEAD STPB3216 380PT FB6 666 13207 00 SMD FERRITE BEAD STPB3216 380PT FB7 666 13207 00 SMD FERRITE BEAD STPB3216 380PT FB8 666 13207 00 SMD F...

Page 54: ...C144EKA V6 364 T3001 00 SMD 30 PINSFF A1255 WRS P4 455 12310 H0 SMD RESISTOR FTR0603103JR R425 455 12147 H0 SMD RESISTOR FTR0603471JR R389 455 12310 H0 SMD RESISTOR FTR0603103JR R388 455 12268 H0 SMD...

Page 55: ...POLYESTER CAPACITOR CBB21A 400V 1uF J C501 464 60547 M0 ELECTROLYTIC CAPACITOR CD110 50V 4 7uF M C524 464 08722 M0N ELECTROLYTIC CAPACITOR CD294 450V 220uF M C519 464 6D810 M0 ELECTROLYTIC CAPACITOR...

Page 56: ...REW SJ2829 M3X8 D Zn 852 23008 81 SCREW SJ2829 M3X8 D Zn 340 00381 00 DIODE FFPF10U60S D503 340 00381 00 DIODE FFPF10U60S D504 340 00415 00 DIODE FME 220B D518 340 00415 00 DIODE FME 220B D519 340 003...

Page 57: ...RESISTOR RC11 1 8W 6 8K J R515 455 22310 H0 SMD RESISTOR RC11 1 8W 10K J R521 455 22310 H0 SMD RESISTOR RC11 1 8W 10K J R542 455 22313 H0 SMD RESISTOR RC11 1 8W 13K J R553 455 22322 H0 SMD RESISTOR R...

Page 58: ...TOR C2012X7R1H104KT C538 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C539 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C544 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C545 456 3410K B2 SMD CAPACITOR C201...

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