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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

3-41

3-42

11. LCD POWER CIRCUIT DIAGRAM

PWR_5V

+3.3V_SYS

+1.8V_SYS

+5V_BF

IO_VCC3

+5V_BF

GND_DC

ADC_VCC3

+1.8V_SYS

VDAC_VCC3

GND_DC

PLL_VCC3

VAA5

VCC_BIAS

DVDD1.8V

+5V_V

+3.3V_SYS

0.1U/25V/0402

C345

C190

10U/10V/0805

L48

0/J/0603

C166

10U/6.3V/0805

C22

0.1U/25V/0402

0.1U/25V/0402

C169

L55

0/J/0603

C181

10U/10V/0805

0.1U/25V/0402

C178

Q43

FDN302P

D

G

S

C64
0.1U/25V/0603

R278
10K/J/0402

C213

10U/10V/0805

NC

C201

C177

10U/6.3V/0805

C19

10U/6.3V/0805

C205

10U/10V/0805

R181
200K/F/0603

L4

0/J/0603

0.1U/25V/0402

C215

L49

0/J/0603

C23

10U/6.3V/0805

C17

NC/10U/6.3V/0805

C225

10U/6.3V/0805

0.1U/25V/0402

C176

U16
LD1117AL-1.8V/SOT-223

2

1

3

4

VO

GND

VIN

VO2

R277
100K/J/0402

C195

10U/6.3V/0805

L46

0/J/0603

0.1U/25V/0402

C346

C344

10U/10V/0805

L50

0/J/0603

Q44

PMBS3904

B

E

C

R186

150K/F/0603

R180

4.7/F/0603

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Содержание DP-471B

Страница 1: ...009 PORTABLE DVD SERVICE MANUAL MODEL DP471B DP472B DP473B CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com Internal Use Only MODEL DP471B DP472B DP473B SERVICE MANUAL ...

Страница 2: ...ht 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CONTENTS SECTION 1 SUMMARY SECTION 2 EXPLODED VIEWS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST ...

Страница 3: ...g and service purposes LGE Internal Use Only SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 GENERAL SERVICING PRECAUTIONS INSULATION CHECKING PRODEDURE ELECTROSTATICALLY SENSITIVE ES DEVICES SPECIFICATIONS 1 5 ...

Страница 4: ...ginal design Be sure that the safety purpose of the polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged insulation including the AC cord and ...

Страница 5: ...uld be more than 1Mohm Note 1 Accessible Conductive Parts include Metal panels Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors ...

Страница 6: ...y 0 to 60 Laser semiconductor laser Signal system PAL NTSC CONNECTORS Audio Video Output ø3 5mm mini jack x 1 Video 1 0V p p 75Ω sync negative Audio 2Vrms 1kHz 0dB Earphone terminal ø3 5mm stereo mini jack x 2 USB 2 0 Type A LIQUID CRYSTAL DISPLAY Panel size 7inches wide diagonal Projection system R G B stripe Driving system TFT active matrix Resolution 480 x 234 WQVGA SUPPLIED ACCESSORIES RCA Vid...

Страница 7: ...1 6 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO ...

Страница 8: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only SECTION 2 EXPLODED VIEWS CONTENTS EXPLODED VIEWS 2 2 1 CABINET AND MAIN FRAME SECTION 2 2 2 PACKING ACCESSORY SECTION 2 3 ...

Страница 9: ... 279 278 277 476 277 477 477 477 477 474 474 271 477 251 272 A48 A40 262 264 475 263 260 262 262 809 265 282 289 284 287 283 283 288 288 290 286 285 478 280 281 280 475 475 475 A44 A00 A53 A46 A43 A52 A51 CABLE3 SVC purchase order caution Cables must be ordered assembly part Supply is possible in Location No 278 A40 and A53 EXPLODED VIEWS 1 CABINET AND MAIN FRAME SECTION ...

Страница 10: ...y for training and service purposes LGE Internal Use Only 2 PACKING ACCESSORY SECTION 803 PACKING 839 PLUG ASS Y RCA CABLE 806 834 ADAPTER 833 REMOTE CONTROL 900 CARRING CASE BOX 802 801 OWNER S MANUAL CABLE CIGAR JACK 804 PACKING SHEET 835 CAR MOUNT 808 BATTERY ...

Страница 11: ...2 4 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MEMO ...

Страница 12: ... 3 16 10 AUDIO OUTPUT 3 16 WIRING CONNECTION DIAGRAM 3 17 BLOCK DIAGRAMS 3 18 1 OVERALL BLOCK DIAGRAM 3 18 2 SYSTEM BLOCK DIAGRAM 3 19 3 DC BLOCK DIAGRAM 3 20 CIRCUIT DIAGRAMS 3 27 1 LCD I F CIRCUIT DIAGRAM 3 21 2 OPU CIRCUIT DIAGRAM 3 23 3 HP SPK AMP CIRCUIT DIAGRAM 3 25 4 AUDIO I F CIRCUIT DIAGRAM 3 27 5 MOTOR DRIVE CIRCUIT DIAGRAM 3 29 6 MEMORY CIRCUIT DIAGRAM 3 31 7 MPEG CIRCUIT DIAGRAM 3 33 8...

Страница 13: ...served Only for training and service purposes LGE Internal Use Only ELECTRICAL TROUBLESHOOTING GUIDE No 1 8V Replace U16 NO 1 POWER CHECK FLOW A B Is 3 3V section working YES YES Replace C19 C23 No 5V or 3 3V Replace D5 Q11 Q16 Q19 NO Check VCC_ADP YES ...

Страница 14: ...ers 2 Write RISC code to SDRAM 3 Reset RISC Show LOGO SLED moves to inner position 1 Judge whether have disc and disc type 2 Jump to related disc reading procedure 1 Execute pressed Key IR key 2 System operation routine loop 1 Stop playback open Tray 2 Display tray open message LOGO NO NO YES NO NO Tray closed Tray at closed position Received function key Sled motor at inner side Tray open ...

Страница 15: ...EM TEST FLOW TEST Start Repair short problem YES NO Switch power on Flash upgrade Repair DC output problem YES NO 1 Check code version 2 Check Crystal clock is 27MHz 3 Check SDRAM clock 4 Check reset circuit 5 Check debug setting NO A OK Make sure PCBA no short Especially power block Is the DC voltage correct DC 5V 3 3V 1 8V ...

Страница 16: ... Plug AV Cable in NO NO YES NO YES Check component value 1 Check video relate setting of chip circuit 2 Check Main chip NO YES Check open short direction pin definition 1 Check panel panel board circuit 2 Check TV system YES YES LOGO display NO LOGO display on TV Check 8202T Video out Check video circuit Check cable connection wire A B ...

Страница 17: ... circuit between SW IC NO YES Check motor driver related circuit 1 Check OPU protection 2 Check laser on power circuit Check cable connection between PCB Traverse Play Disc Reading disc YES YES Check tact switch of cover Check DC voltage of SLED Check SLED motor moves to inner from outer side when power on Laser on NO Check disc type YES YES Read disc B C ...

Страница 18: ...signal 2 Check U12 setting Pin15 Shutdown Pin21 Volume Pin22 HP LINE Pine23 SE BTL NO Check 8202T DAC out NO NO NO YES YES Check Audio peripheral circuit 1 Check audio relate circuit of main chip 2 Check Main chip Check component value NO YES Check cable YES Headphone out normal 1 Check earphone peripheral circuit 2 Check U12 setting Pin22 HP LINE Pine23 SE BTL NO NO YES YES Check Jack connector C...

Страница 19: ...ht reserved Only for training and service purposes LGE Internal Use Only NO NO NO YES Check USB power YES YES USB feature USB playing USB detection USB driver power NO 1 Check differential signal 2 Check related circuit USB signal USB file play D ...

Страница 20: ... 25V 0402 L4 0 J 0603 C23 10U 6 3V 0805 C17 NC 10U 6 3V 0805 U16 LD1117AL 1 8V SOT 223 2 1 3 4 VO GND VIN VO2 Close IC CLKOUT CLKIN R65 0 J 0402 C81 33P 50V 0402 Y2 27M 49US DIP R60 0 J 0402 R58 4 7K F 0402 C71 33P 50V 0402 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1 SYSTEM 27MHz CLOCK RESET FLASH SCK SIGNAL 1 1 Main clock is at 27MHz Y2 1 2 Reset is active high FIG 1 1 1 FIG 1 2 2 3 3 2 ...

Страница 21: ...ice purposes LGE Internal Use Only Debug Port Debug_1 Debug_2 GNDA CN8 NC 3P 1 2 3 1 3 Waveform during procedure Downloading 1 4 Flash SCK FIG 1 3 4 5 SPI_CE SPI_CLK_F DQ0 DQ1 SPI_HOLD SPI_WP SPI_VCC3 U8 MX25L1636DM21 12G 1 2 3 4 5 6 7 8 CE DOUT WP GND DIN SCK HOLD VDD FIG 1 4 6 6 4 5 ...

Страница 22: ...nly M_CLK RAM_CLK R95 33 F 0402 10P 50V 0402 C115 NC 10P 50V 0402 C112 RAM_CLK M_BA0 M_BA1 SD_VCC3 37 38 20 6 12 46 52 21 CKE CLK BA0 VSSq VSSq VSSq VSSq BA1 2 SDRAM CLOCK 3 TRAY OPEN CLOSE SIGNAL FIG 2 1 7 The Cover Limit Switch COVER_SW COVER_SW GND_DC GND_DC SW1A C C1 NC VPORT0603102MV05 FIG 3 1 8 8 7 OPEN CLOSE ...

Страница 23: ...SCO SLED TR_B3 RAD VREF2 SLED RAD GNDM C55 0 1U 25V 0402 U4 AM5888S 15 21 19 20 24 27 28 17 18 16 23 22 25 26 G2 VOTK VCTL VCC2 NC NC BIAS MUTE VOLD VOLD VOTK VINLD GND TRB2 VINTK G2 R23 NC R32 NC R18 0 J 0402 R44 10K F 0402 C24 0 1U 25V 0402 4 SLED CONTROL RELATED SIGNAL FIG 4 1 DVD 9 10 11 FIG 4 2 CD 9 10 11 10 9 11 SL SL SL SL TCO TCO ...

Страница 24: ...21 22 23 24 C20 100P 50V 0603 C11 100P 50V 0603 L7 1A 120OHM 0603 5 LASER POWER CONTROL RELATED SIGNAL 6 SPINDLE CONTROL WAVEFORM FIG 5 1 CN5 12 13 14 CD5888CB MEA REGO1 O LOAD FCO FOC REGO2 B3 SP SPDCO FOC F2 LOAD TR_B1 U4 AM5888S 1 9 10 12 3 2 15 7 14 13 21 19 20 24 27 6 4 5 28 8 11 17 18 16 23 22 25 26 G1 G2 VINFC VOTR VOTR VOSL REGO2 TRB1 VOTK REV VOFC VOFC VCTL VCC2 NC NC BIAS FWD VINSL REGO1...

Страница 25: ...G 7 1 DVD 18 19 20 FIG 7 2 CD 18 19 20 XOPVIP SP REGO1 LOAD FCO FOC REGO2 XOPVIN SP SPDCO FOC LOAD TR_B1 XOP XOP SP FCO SPDCO SP GNDM 5V_M 1 9 10 12 3 2 7 14 13 6 4 5 8 11 G1 VINFC VOTR VOTR VOSL REGO2 TRB1 REV VOFC VOFC FWD VINSL REGO1 VCC VOSL G1 R187 1 F 0603 TP6 1 R33 10K F 0402 R35 NC C33 0 1U 25V 0402 TP5 1 18 19 20 U4 F F F F FCO FCO ...

Страница 26: ...ELATED SIGNAL System checking FIG 8 1 DVD 21 22 23 FIG 8 2 CD 21 22 23 CD5888CB TCO DMEA SCO SLED TR_B3 RAD VREF2 SLED RAD GNDM C55 0 1U 25V 0402 U4 AM5888S 15 21 19 20 24 27 28 17 18 16 23 22 25 26 G2 VOTK VCTL VCC2 NC NC BIAS MUTE VOLD VOLD VOTK VINLD GND TRB2 VINTK G2 R23 NC R32 NC R18 0 J 0402 R44 10K F 0402 C24 0 1U 25V 0402 21 22 23 ...

Страница 27: ...OUT DET AVOUT R AVOUT CVBS AVOUT L C138 1000P 50 C127 100P 50V G L R V J3 TC 38 363 16 1 2 3 4 5 6 7 C311 1000P 50 9 VIDEO OUTPUT WAVEFORM 10 AUDIO OUTPUT FIG 9 1 24 FIG 10 1 25 24 A V OUTPUT TSH 3997 2 PA66 J AVOUT DET_GND AVOUT DET AVOUT R AVOUT CVBS AVOUT L C138 1000P 50 C127 100P 50V G L R V J3 TC 38 363 16 1 2 3 4 5 6 7 C311 1000P 50 25 A V OUTPUT ...

Страница 28: ...3 17 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WIRING CONNECTION DIAGRAM MAIN PCB LCD PCB LCD PCB MAIN PCB ...

Страница 29: ...SPHE8202T SUN SPV518 Audio Amplifier EUA6019 Motor driver CD5888 LOADER FOC FOC SLED SLED RAD RAD SP SP Earphone out AV OUT OP APC558 OP_OUT_L R IR IR receiver USB DP DM BUTTONS S VIDEO I2C T CON R G B VGH VGL VCOM SPI MA0 11 DATA0 15 FCO SPDCO SCO TCO DMEA AUD_FL AUD_FR VR 6019_LIN RIN Volume control Line out KEY0 3 CVBS Adaptor Battery 7 4V 1900mA OZ522 Charger 2 D D DC IN 5V 3 3V LD1117 1 8V 3 ...

Страница 30: ...Only 2 SYSTEM BLOCK DIAGRAM Analog Panel 7 LCD Translation Board LED Power Flash 16Mbit SDRAM 16Mbit SUN SPHE8202T SUN SPV518 I2C R G B EU6019 Motor driver CD5888 LOADER Serve control signal Earphone out AV OUT Earphone out OP APC558 AUDIO L R Video KEY Matrix L R Line out Audio L R Buttons IR IR receiver USB DP DM ...

Страница 31: ... and service purposes LGE Internal Use Only 3 DC BLOCK DIAGRAM DC QZ522 Charger 2 D D Battery 7 4V 1900mA LD1117 1 8V 3 3V Switch Enable SYSTEM LCD Panel SERVO Video Audio SPV518 Boost Circuit 5V PWM 10V 16 5V 10V DVcc3 3V DVcc1 8V 5V_M 5V_RF 3 3V_RF 10V 16 5V 10V 5V_AUD VAA5V ...

Страница 32: ...82 1 TP89 1 TP67 1 C227 NC 20P 50V 0402 L13 0 J 0603 TP65 1 TP74 1 C245 NC 20P 50V 0402 C279 NC 20P 50V 0402 TP71 1 C220 0 1U 25V 0603 L58 0 J 0402 TP66 1 L54 0 J 0402 TP80 1 C229 0 1U 25V 0603 L16 0 J 0603 CN6 30P 1 0 VA WAFER 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 TP62 1 C25...

Страница 33: ... C164 0 1U 25V 0402 L42 0 J 0603 R160 0 J 0603 L43 0 J 0603 C356 NC 470P 50V 0402 TP26 1 TP35 1 TP21 1 TP44 1 L5 1A 120OHM 0603 Q5 2SB1132 B E C CN5 AF324K A2G11 0 5 UP FPC G1 G2 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 18 19 20 21 22 23 24 TP32 1 R164 NC C352 100P 50V 0402 TP31 1 R19 5 1 F 0402 TP24 1 TP69 1 C37 0 1U 25V 0402 CN4 4P 2 0 RA A2001 1 2 3 4 C358 NC 470P 50V 0402 C351 100P 50V 0402 T...

Страница 34: ...0 1U 25V 0402 EC8 100U 16V 6 3 5 7 S R81 0 J 0402 R283 0 J 0603 Q26 BAV70 F K A J C343 NC 1U 16V 0603 R288 0 F 1206 R223 100K F 0402 D15 1N4148 A K R282 0 J 0603 R236 100 J 0402 SW2 VR 50K 5PIN 1 2 3 4 5 G1 G2 1 2 3 4 5 G1 G2 C361 NC 1U 16V 0603 VPORT0603102MV05 C348 R226 100K F 0603 C281 10U 10V 0805 C360 NC 1U 16V 0603 R281 0 J 0603 C302 NC NC C349 C287 1U 16V 0603 C286 0 1U 25V 0402 R128 1K F 0...

Страница 35: ...J 0402 R117 100K F 0402 2 1 R101 4 7K F 0402 R218 4 7K J 0402 C128 1N 50V 0402 1 2 C129 1N 50V 0402 1 2 Q29 PMBS3904 B E C C296 0 1U 25V 0402 C291 0 1U 25V 0402 C110 1200P 50V 0402 C123 10U 10V 0805 C124 10U 10V 0805 C104 220P 50V 0402 R217 0 J 0402 C103 220P 50V 0402 U13A APC558KC V V 3 2 1 8 4 R232 1K F 0402 2 1 R118 100K F 0402 2 1 R119 0 J 0402 2 1 R114 1K F 0402 C121 120P 50V 0402 C122 120P 5...

Страница 36: ...SLED GNDM 5V_M GNDM 5V_M 5V_M R31 12K F 0402 C55 0 1U 25V 0402 U4 AM5888S 1 9 10 12 3 2 15 7 14 13 21 19 20 24 27 6 4 5 28 8 11 17 18 16 23 22 25 26 G1 G2 VINFC VOTR VOTR VOSL REGO2 TRB1 VOTK REV VOFC VOFC VCTL VCC2 NC NC BIAS FWD VINSL REGO1 MUTE VCC VOSL VOLD VOLD VOTK VINLD GND TRB2 VINTK G1 G2 R23 NC TC12 NC 47U 10V B R187 1 F 0603 TP6 1 R33 10K F 0402 R32 NC C29 0 1U 25V 0402 C336 22U 6 3V 08...

Страница 37: ...M_BA1 M_BA0 M_WE M_D 15 0 M_CLK M_A 11 0 M_DQM 0 1 SD_VCC3 SPI_VCC3 SPI_VCC3 SPI_VCC3 SD_VCC3 SD_VCC3 R202 0 J 0402 0 1U 25V 0402 C101 0 1U 25V 0402 C304 R95 33 F 0402 R69 33 F 0402 0 1U 25V 0402 C303 R203 10K F 0402 R204 NC R66 10K F 0402 10P 50V 0402 C115 0 1U 25V 0402 C300 NC 10P 50V 0402 C112 U15 M12L64164A 5TG 23 24 25 26 29 30 31 32 33 34 17 18 15 16 19 37 38 39 2 4 5 7 8 10 11 13 42 44 45 4...

Страница 38: ...C 0402 C374 NC 1U 16V 0603 C97 R56 2 2K F 0603 NC C322 R87 0 J 0402 NC C114 0 1U 25V 0402 C260 L22 0 J 0603 C284 10U 6 3V 0805 L24 33 F 0603 Y2 27M 49US DIP R85 NC 20 J 0402 R212 10K F 0402 NC C117 0 1U 25V 0402 C57 NC C323 R250 75 F 0402 0 1U 25V 0402 C241 0 1U 25V 0402 C69 0 1U 25V 0402 C240 R83 4 7K F 0402 R1 10K F 0402 R145 4 7K F 0402 NC C109 R48 2 2K F 0603 0 01U 25V 0402 C239 R80 0 J 0402 L...

Страница 39: ...6 8K F 0402 L11 2 7uH 0 3mA 0805 R184 6 8K F 0402 L60 33 F 0402 0 1U 25V 0402 C172 TP54 1 20P 50V 0402 C324 TP60 1 1U 16V 0603 C193 220N 10V 0402 C47 NC C331 0 1U 25V 0402 C337 0 1U 25V 0402 C182 1U 16V 0603 C189 R158 0 J 0402 0 1U 25V 0402 C183 R274 0 J 0402 R38 75 F 0402 0 1U 25V 0402 C188 2 2N 50V 0402 C179 TP58 1 R169 10K F 0402 470P 50V 0402 C363 TP57 1 220N 10V 0402 C50 L8 33 F 0402 L12 2 7u...

Страница 40: ...A C141 NC 10P 50V 0402 C308 NC 10P 50V 0402 L36 1A 120OHM 0603 C138 1000P 50V 0603 C140 1000P 50V 0603 TP95 1 R130 1K F 0603 L87 3 3 F 0603 R129 22 F 0402 TP96 1 R120 75 F 0402 TP92 1 R121 75 F 0402 C314 1000P 50V 0603 TP93 1 L30 1A 120OHM 0603 C139 NC 10P 50V 0402 C312 1000P 50V 0603 C127 100P 50V 0603 G L R V J3 TC 38 363 16 1 2 3 4 5 6 7 C313 1000P 50V 0603 L85 1A 120OHM 0603 TP94 1 C133 NC 10P...

Страница 41: ...B_DM 5V_SYS R67 33 F 0603 TP12 1 R183 0 1 F 1206 C62 10P 50V 0603 C58 10P 50V 0603 CN7 5P 1 25 RA LM103 1 2 3 4 5 G1 G2 C196 0 1U 25V 0402 M5 1 TP9 1 R63 33 F 0603 TP11 1 L14 NC 1 2 3 4 C192 10U 6 3V 0805 TP10 1 L52 1A 600OHM 0603 R57 15K F 0402 C203 0 1U 25V 0402 R52 1A 120OHM 0603 C353 VPORT0603102MV05 R47 1A 120OHM 0603 C77 10P 50V 0402 R61 15K F 0402 R261 0 J 0603 C72 10P 50V 0402 ...

Страница 42: ...C22 0 1U 25V 0402 0 1U 25V 0402 C169 L55 0 J 0603 C181 10U 10V 0805 0 1U 25V 0402 C178 Q43 FDN302P D G S C64 0 1U 25V 0603 R278 10K J 0402 C213 10U 10V 0805 NC C201 C177 10U 6 3V 0805 C19 10U 6 3V 0805 C205 10U 10V 0805 R181 200K F 0603 L4 0 J 0603 0 1U 25V 0402 C215 L49 0 J 0603 C23 10U 6 3V 0805 C17 NC 10U 6 3V 0805 C225 10U 6 3V 0805 0 1U 25V 0402 C176 U16 LD1117AL 1 8V SOT 223 2 1 3 4 VO GND V...

Страница 43: ...603 R216 0 J 0603 0 1U 25V 0402 C95 0 1U 25V 0402 C271 0 1U 25V 0402 C228 C276 10U 6 3V 0805 L72 0 J 0603 C257 10U 6 3V 0805 C259 10U 6 3V 0805 L57 0 J 0603 C272 10U 6 3V 0805 C283 10U 6 3V 0805 0 1U 25V 0402 C268 C254 10U 6 3V 0805 C244 0 1U 25V 0402 C266 NC 10U 6 3V 0805 C91 10U 6 3V 0805 L47 0 J 0603 L51 0 J 0603 0 1U 25V 0402 C255 C275 10U 6 3V 0805 0 1U 25V 0402 C184 0 1U 25V 0402 C159 C96 10...

Страница 44: ...52 0 1U 25V 0603 Q32 PMBS3904 B E C R224 680R F 0402 C301 10U 10V 0805 Q19 RSQ035P03 1 3 4 5 2 6 R296 10K F 0402 D16 1N4148 A K R71 680R F 0402 Q24 PMBS3904 B E C R235 1K F 0402 R238 1K F 0603 D14 UDZSTE 1713B A K R249 1K F 0402 L99 NC 0R J 1206 Q31 PMBS3904 B E C C153 1N 50V 0603 L97 NC 0R J 1206 R137 100K F 0402 Q16 RSQ035P03 1 3 4 5 2 6 R246 1K F 0402 C149 10P 50V 0603 R228 0 J 0603 R241 100K F...

Страница 45: ... 503 1 2 3 R5 169R J 0603 R22 8 66K F 0402 0 1U 25V 0402 C2 R14 4 7K J 0402 R10 NC 10K F 0402 C175 10U 10V 0805 1N 50V 0402 C168 D11 1N4148 0 1U 25V 0402 C325 D10 NC UDZS10B A K L1 0 J 0603 R6 1K J 0402 R162 1K F 0603 1N 50V 0402 C14 L90 0 J 0603 U5 UTC3308L SO8 1 2 3 4 5 6 7 8 OUT1 IN1 IN1 GND IN2 IN2 OUT2 V C167 10u 16V 1206 R20 0 J 0603 1U 16V 0603 C170 C8 10U 10V 0805 C161 NC 1U 16V 0603 Q2 AP...

Страница 46: ...02 C120 560P 50V 0402 C119 0 1U 25V 0402 L101 33UH 0 8A D63CB Q13 FDN302P G S D R49 15K F 0402 L19 10UH 1 14A D63LCB R208 100 F 0402 C89 10N 50V 0402 R75 49 9K F 0402 TP103 1 C335 10U 10V 0805 U6 UNICORN20 A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CSP2 CSN2 FB1 FB2 COMP2 COMP1 ST EN LV THM BAT SEN C C V D N G CHIGH HDR DR2 DR1 CSP1 CSN1 EC3 47U 25V 6 3 5 7 S EC9 100U 16V 6 3 5 7 S L29 1...

Страница 47: ...U 25V 0603 C235 C78 10U 10V 0805 R59 100 F 0402 R26 150 F 0402 Q45 PMBS3904 B E C SW1A C C207 NC 10U 10V 0805 TC11 22U 10V 1206 1 2 0 1U 25V 0603 C208 Q7 PMBS3904 B E C R42 150 F 0402 0 1U 25V 0603 C223 C63 10U 10V 0805 0 1U 25V 0603 C204 D17 1N4148 C210 10U 10V 0805 R40 3 9K F 0402 R54 390 F 0402 TC9 22U 10V 1206 1 2 Q10 PMBS3904 B E C R280 47K J 0402 1 2 C148 NC VPORT0603102MV05 R62 390 F 0402 C...

Страница 48: ...8 28 0 685 0 620 29 3 322 3 278 30 0 052 0 31 0 691 0 623 32 0 684 0 614 33 3 324 3 278 34 0 053 0 35 0 093 0 020 36 1 266 1 195 37 0 197 0 153 38 1 877 1 842 39 1 242 1 845 MODE PIN NO STOP PLAY 40 0 285 0 2 41 0 893 0 843 42 0 000 0 43 0 000 0 44 0 000 0 45 0 000 0 46 1 814 1 742 47 0 052 0 48 3 323 3 274 49 0 000 0 50 0 000 0 51 0 000 0 52 0 000 0 53 0 000 0 54 2 934 3 115 55 2 933 3 063 56 2 9...

Страница 49: ...061 0 Base 0 747 0 Q30 PMBS3904 Emitter 0 054 0 Collector 0 061 0 Base 0 751 0 Q31 PMBS3904 Emitter 0 048 0 Collector 0 096 0 016 Base 0 719 0 673 Q32 PMBS3904 Emitter 0 034 0 Collector 0 720 0 673 Base 0 048 0 Q33 PMBS3904 Emitter 0 061 0 Collector 0 648 3 022 Base 0061 0 MODE PIN NO STOP PLAY Q36 PMBS3904 Emitter 0 0 Collector 0 0 Base 0 773 0 816 Q37 APM2301A Drain 4 925 4 927 Gate 0 0 Source 4...

Страница 50: ... LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 57 3 58 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW 2 LCD P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...

Страница 51: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 59 3 60 MEMO MEMO ...

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