BBK LEM1992 Service Manual Download Page 18 | Manualshive

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BBK LEM1992 Service Manual Download Page 18

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1.change the adapter

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Summary of Contents for LEM1992

Page 1: ...SERVICE MANUAL MODEL CONTENTS SAFETY PRECAUTION SPECIFICATION BLOCK DIAGRAM CIRCUIT DIAGRAM FACTORY MODE ADJUSTMENT UPGRADE SOFTWAR TROUBLE SHOOTING APPENDIX LEM1992 LEM2292F LEM2492F SOLUTION MST6M182 ...

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Page 3: ... MENU CH CH VOL LED Indicators Red Green 75 Ohm Unbalanced Power supply AC 100V 240V 50 60Hz Auto Channel Scanning Yes Number Of Preset Channels 100 ATV System Tuning System FS With PLL Tuner Band Standard system with hyper band MST6M182VG LEM1992 LEM2292 LEM2492 Sound I F 33 40 BG 32 40MHz DK L 32 90MHz I PAL BG DK I SECAM BG DK L 48 25 863 25 MHz Picture I F 38 90MHz BG DK I 5 3URGXFW 6SHFLILFDW...

Page 4: ...2273 4 Ohm 5W Power Consumption TV 75ohm Aerial Image In Vertical Lines LED2473 RCA Jack Black optional COAX Output LCD Panel Only For Reference Parameters according to panel model On working Brand Backlight Support Resolution For PC Horizontal dots Max Vertical Lines Max Pixel Pitch Resolution Resolution Horizontal dots Vertical Lines Size Backlight Pixel Pitch Resolution Horizontal dots Brand Mo...

Page 5: ...1RWH 6SHFLILFDWLRQV DUH VXEMHFW WR FKDQJH ZLWKRXW QRWLFH Color Black 5HPRWH RQWURO 09F6 Customer Code 1 5V AAA X2 Batteries ...

Page 6: ...er manager Tuner soultion R620D Amplifier soultion MSH9010 Audio Buffer Adapter Antenna Speaker Earphone R L RF 12V External Input HDMI x 2 VGA x 1 PC Audio x 1 Coaxal IR Board Key Board PANEL TFT Display Unit Back Light Unit LED LED AV x 1 HDMI Switch USB x 1 HDMI LED Driving LVDS LED Adapter Board ORFN LDJUDP ...

Page 7: ...0nF C17 0 1uF C18 3 3nF 7 EN 5 FB 2 VCC 3 OUT 1 BST 4 GND 8 SS 6 COMP U2 RT8296A L4 10uH C19 0 1uF CA5 100uF 16V R60 4 7K R61 200R C21 0 1uF C236 0 1uF V6 ME2307 R480 100K C238 0 1uF R490 10K V8 ME2307 C240 0 1uF C34 0 1uF R62 100K R63 10K R64 10K CA6 220uF 16V C79 104 C80 47uF100V R77 1 5K R76 NC R73 0R R78 82K C81 3300P R80 20K R87 2 2R 0805 R86 3 3R 0805 Q71 MOSFET N D71 GTO060 C82 473 C83 104 ...

Page 8: ...U33 K6 AVDD_REF P5 PGA COM R8 GPIO24 GPIO56 R9 GPIO25 GPIO57 P8 GPIO23 GPIO58 N8 NC GPIO59 T9 GPIO27 GPIO60 P9 GPIO26 GPIO61 T8 GPIO22 GPIO55 T12 B_ODD6 LVA2P R13 G_ODD1 LVA1M P15 R_ODD0 LVBCKP P16 R_ODD1 LVBCKM N15 R_ODD3 LVB2M M15 R_ODD5 LVB1M M16 R_ODD6 LVB0P L16 R_ODD7 LVB0M L5 AVDD_MOD G14 SAR3_GPIO14 INT_GPIO65 B14 DDCR_CK GPIO63 F14 GPIO15 TCON15 SCAN_BLK1_43 C14 DDCR_DA GPIO64 E14 GPIO14 T...

Page 9: ... 4 7K R564 nc C296 0 1uF R565 2 2K R566 NC CE7 470uF 10V 8 7 R567 10K R568 10K C31 1nF C32 1nF CE10 47U 16V 6 7 CE6 47U 16V 6 7 C185 0 1uF R11330R R538 330R Q49 3904 Q50 3904 R544 10K CA28 220uF 16V R17 0R R18 0R Q6 3904 R12 6 8K R13 10K C2 1uF R10 10K R14 10K C5 1uF R15 NC R16 NC CA1 100uF 16V ADJ OUT IN U1 AM1117 ADJ R31 2 2k R32 3 3k C10 2 2uF X5R 16V C0603 1 2 3 J11 CON102 Tuner shield box Q2 ...

Page 10: ... TX1P 40 TX1M 41 VSS 42 TX0P 43 TX0M 45 TXCP 46 TXCM 47 TXSCL 48 TXSDA 44 TXHPD 34 PCSCL 33 PCSDA 50 CHPD 51 CSDA 52 CSCL 53 CRXCM 54 CRXCP 55 CPWR5V 56 CRX0M 57 CRX0P 58 VSS 59 CRX1M 60 CRX1P 61 VCC 62 CRX2M 63 CRX2P 64 DIG_DBG CEXT 1 BHPD 2 BSDA 3 BSCL 4 BRXCM 5 BRXCP 6 BRPWR5V 7 BRX0M 8 BRX0P 9 VSS 10 BRX1M 11 BRX1P 12 VCC 13 BRX2M 14 BRX2P 49 TXPWR5V 15 APWR5V 17 RESET 35 PCADR0 U801 IT6633P 1...

Page 11: ...2 5HI 5HI 5HI 5HI HVFULSWLRQ HVFULSWLRQ HVFULSWLRQ HVFULSWLRQ 21 0 QSXW 1 86 21 0 QSXW HDGSKRQH RXWSXW 21 9 QSXW 1 5 QSXW 21 6SHDNHU DFN 1 86 1 FXUUHQW DFN 3 XGLR QSXW 21 9 6 QWHUIDFH RD LDO 2XW SXW 1 H DFN 0LQL 9 DFN 1 5 DFN ϲ ϭϯ ϵ Ϯ ϭ ϳ ϴ ϭϭ ϭϰ ϭϮ ϰ ϯ ϱ ϭϲ ϭϬ ϭϱ QWHUIDFH HVFULSWLRQ ...

Page 12: ... 3 1 3 1 H MDFN H MDFN H MDFN H MDFN 12 HILQLWLRQ HVFULSWLRQ H QSXW 1 1 H QSXW 9 9 3RZHU 6XSSO P ƾ 1 ƾ 1 ƾ 1 ƾ 1 5 5 5 5 MDFN MDFN MDFN MDFN 12 HILQLWLRQ HVFULSWLRQ 1 1 5 5HPRWH 5HFHLYHU UHHQ QGLFDWRU 5 5HG QGLFDWRU 9 3RZHU 6XSSO P ƾ 1 1 1 1 3 1 3 1 3 1 3 1 FXUUHQW FXUUHQW FXUUHQW FXUUHQW RXWSXW RXWSXW RXWSXW RXWSXWMDFN MDFN MDFN MDFN 12 HILQLWLRQ HVFULSWLRQ ULYLQJ ULYLQJ 1 1 ...

Page 13: ... 1 1 1 1 1 1 1 1 1 1 9 6 9 1 6LJQDO 9 6 9 1 6LJQDO 9 6 9 1 ORFN 6LJQDO 9 6 9 1 ORFN 6LJQDO 9 6 9 1 6LJQDO 9 6 9 1 6LJQDO 9 6 9 1 6LJQDO 9 6 9 1 6LJQDO 9 6 9 1 6LJQDO 9 6 9 1 6LJQDO 1 1 1 1 2 9 6 2 6LJQDO 2 9 6 2 6LJQDO 2 9 6 2 ORFN 6LJQDO 2 9 6 2 ORFN 6LJQDO 2 9 6 2 6LJQDO 2 9 6 2 6LJQDO 2 9 6 2 6LJQDO 2 9 6 2 6LJQDO 2 9 6 2 6LJQDO 2 9 6 2 6LJQDO ...

Page 14: ...1 How to enter service mode Press Source button on the remote control then press 2580 the service menu will be displayed Source Press 2580 FACTORY MODE AND ADJUSTMENT ...

Page 15: ...ing West East Russia DVD source set to turn on or off DVD source in the user menu optional setting On Off Hotel mode to turn on or off hotel mode optional setting On Off Key mode to turn on or off local keyboard optional setting On Off Power on to setting the power on source optional setting TV Other Power mode to setting the power on mode optional setting Force on Memory standby Volume to setting...

Page 16: ...e to be MERGE182 bin 2 Power on TV and switch source to ATV 3 Insert USB device to TV then screen will display a message window to inform you upgrade TV or not Press LEFT direction button to upgrade 4 It will cost 40 seconds to upgrade In this process please don t unplug USB device don t power off TV ...

Page 17: ...7528 6 227 1 9ǃ86 DQG 0 ...

Page 18: ... 12V 1 change the adapter ...

Page 19: ... KHFN WKH SRZHU VXSSO ZLUH DQG EODFN OLJKW FDEOH are fully insert SRZHU VXSSO ERDUG QVHUW WKH ZLUH DQG FDEOH ...

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Page 21: ...AV and HDMI mode repair flowchart ...

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Page 24: ...nter USB mode Can t find the USB device Check the USB device are Fully Insert Reinsert the device END NO USB Repair Flowchart Insert USB device Check the USB device is normal yes yes no no KDQJH WKH PDLQ ERDUG ...

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Page 26: ...HANGE HISTORY DESCRIPTION REMARKS QBSU OP SFW NPEFM OP STRUCTURAL ELECTRICAL ENGINEER APPROVAL SAFETY APPROVAL HK X242 A12 HKSC 120224 HON KWANG ELECTRIC SHEN ZHEN CO LTD ഋຬኾ ኻ ࡌᛏ ബᆢ A1 12 05 07 ᡂ Ǻ1 ٩ Њा ࣁׯ ᛥථೕᇙբˈ ཥሎ Ԃஒਖ਼ӑ ᇂη 2 ሎ ࣁׯ ᜦय़ӝԋરΔ ۭқӷ ᕯλඁ ...

Page 27: ...ILITY AND QUALITY CONTROL 16 OVERALL DRAWING 15 SAFETY 10 INSULATION RESISTANCE 9 DIELECTRIC STRENGTH Hi Pot TEST 8 TEMPERATURE COEFFICIENT 12 ENVIRONMENTAL CONDITIONS 11 PROTECTION 6 HOLD UP TIME 7 TURN ON TIME 2 INPUT REQUIREMENTS 3 OUTPUT REQUIREMENTS CONTENTS 1 INTRODUCTION 4 EFFICIENCY 1 OF 9 HKSC 120224 DESCRIPTION I T E POWER SUPPLY 19 TEST REPORT 18 MARKING 17 PACKING ...

Page 28: ... www honkwang com 2 OF 9 HKSC 120224 DESCRIPTION I T E POWER SUPPLY 2 2 Input Frequency Range 47 Hz to 63 Hz 2 1 Input Voltage Range 100 10 VAC to 240 10 VAC 2 3 Input In rush Current 50A Max 2 5 Input Current 1 5A Max 2 4 Input Power Consumption at no load 0 3W Max 3 3 Output Load Range 0 3 3A Њ85 37 3 2 Output Regulation 3 1 Output Voltage 12V 3 4 Output Ripple Noise 200mV Max 20MHz bandwidth wi...

Page 29: ... product withstands AC 3 0KV for 2 second 4mA Max primary to PAGE NO REV A1 ISSUED DATE secondary 11 1 Input Protection 11 0 PROTECTION 10 0 INSULATION RESISTANCE 9 0 DIELECTRIC STRENGTH Hi Pot TEST Primary to secondary 50M OHM to 500VDC 8 0 TEMPERATURE COEFFICIENT 0 05 C MODEL NO PART NO HK X242 A12 2012 05 07 HON KWANG ELECTRIC SHEN ZHEN CO LTD ስ ႝᐒ ుӥ Ԗज़Ϧљ case http www honkwang com 3 OF 9 HKSC...

Page 30: ...ull load condition 14 2 MTBF 15 0 SAFETY 13 0 EMI EMC Relative Humidity 10 95 Relative Humidity 10 95 12 1 Storage Temperature 20к 70 к 12 2 Operation 14 0 RELIABILITY AND QUALITY CONTROL Temperature 0 C 40 C 12 0 ENVIRONMENTAL CONDITIONS PART NO MODEL NO HK X242 A12 2012 05 07 HON KWANG ELECTRIC SHEN ZHEN CO LTD ስ ႝᐒ ుӥ Ԗज़Ϧљ http www honkwang com 4 OF 9 HKSC 120224 DESCRIPTION I T E POWER SUPPLY ...

Page 31: ...โ Ø2 1 0 1 Ø5 5 0 1 1830 30 Safety Marking BXH 29 UL2468 HKSC 120224 HK X242 A12 REV A1 UNIT mm 16 OVERALL DRAWING DESCRIPTION I T E POWER SUPPLY PART NO MODEL NO PAGE NO ISSUED DATE 2012 05 07 HON KWANG ELECTRIC SHEN ZHEN CO LTD ስ ႝᐒ ుӥ Ԗज़Ϧљ http www honkwang com 5 OF 9 M M Y Y C Date Code ...

Page 32: ...HEN ZHEN CO LTD ISSUED DATE PAGE NO PART NO MODEL NO HK X242 A12 REV A1 2012 05 07 DESCRIPTION I T E POWER SUPPLY ᇥܴਜ ݙ ᇥܴਜᢳ ঁԋࠔ ଆ ܫ Εӕ ঁϔ 17 1 Inner Box 65 1 80 1 130 1 Usbotwfstf Qmbof Ѧጃ PE Bag Width 120 Length 200 Width Length PE LD 04 Finished Product UNIT mm 17 PACKING ...

Page 33: ...LECTRIC SHEN ZHEN CO LTD 2012 05 07 REV A1 ISSUED DATE PAGE NO PART NO 17 PACKING MODEL NO HK X242 A12 311W 351W 211W 351W 211W 231W R UZ 71QDT H X O X NPEFM 211W 231W 311W 351W 211W 351W UNIT mm 17 2 Carton DESCRIPTION I T E POWER SUPPLY Usbotwfstf Qmbof 400 360 375 ...

Page 34: ... SHEN ZHEN CO LTD 2012 05 07 ISSUED DATE REV A1 PAGE NO PART NO MODEL NO DESCRIPTION I T E POWER SUPPLY UNIT mm 18 MARKING HKSC 120224 HK X242 A12 ኩคӼೕ 200 CPC ᜦय़ӝԋરNAME PLATE WHITE CHARACTERS BLACK BACKGROUND 33 1 0 0 0 2 R 1 5 75 2 0 0 0 2 2 2 ccL MPHPѸ ΠѰѓۚύ ...

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