PLF-77_servive_manual2015-05-09 08 - Wiki Karat
Contents
1. PORTABLE DVD PLAYER SUNSTECH PLF 77 SERVICE MANUAL End 2006 PRINTED IN CAUTION Before servicing the chassis read the IMPORTANT SERVICE SAFETY INFORMATION section on page 2 of this manual SPECIFICATIONS GENERAL SPECIFICATION 7 ACTIVE MATRIX TFT TYPE de DVD VCD CD CD R CD RW MP3 HDCD SUPPORTS 16 9 4 3 PICTURE SELECT Sat ge 7 HIGH BRIGHTENNESS e 22 HIGH CONTRAST SS 5 2 WITH LOGO OPENING SCREEN re 22 SLOW MOTION LG 1 4 1 8 1 16 2 F B x2 x4 x8 x16 SPEED kes ANGLE MENU 20 TRACK PROGRAM FOR CD PLAYING ZOOM x 2 3 4 REMOTE CONTROL EXTERNAL VIDEO AUDIO IN x1 CONTENTS S VIDEO OUTPUT for Ext TV Monitor HEADPHONE OUT x 1 AUDIO OUTPUT 0 5W x 2 8 ohm IMPORTANT SERVICE SAFETY INFORMATION LONG BATTERY TIME OF OVER 2 HRS DISASSEMBLY FOR REPAIR DIMENSION 212 L x 170 W x 430 H mm excluding battery AC POWER SOURCE BLOCK DIAGRAM nnn es 5 ADAPTER 230V CIRCUIT DESCRIPTION D KM PARTS LIST beggen 14 24 BATTERY PACK 7 2V EXPLODED VIEW 25 26 SCHEMATIC DIAGRAMS essen 27 32 PRINTED CIRCUIT BOARDS sse 33 44 Note Follows a policy of continuous advancements in development For this reason specifications may be changed without notice IMPORTANT SERVICE SAFETY INFORMATION 1 SAFETY PREC2. RESISTOR 5 6K 5 1608 ROHS 015 00150 901 CHIP INDUCTOR 15 UH DRH4D28 150M COILS ROHS 006 72104 525 CHIP CAP 0 1 UF 80 20 25V 1608 ROHS Y5V 015 00220 910 CHIP INDUCTOR 22 UH DRH4D28 220M COILS ROHS 025 20002 114 2 WAFER H TYPE 3 5MM PITCH JST ROHS 3502P0210T LANDWIN 025 23003 101 3P WAFER H TYPE 1 25MM PITCH KARSON 990 777 00 SMT ROHS 027 01121 002 CHIP FERRITE BEAD 2125 121 TAD ROHS 047 11106 425 TANTALUM CHIP CAP 10 UF 20 25V 6X3 2 CASE C ROHS 047 11475 425 E TANTALUM CHIP CAP 4 7 UF 20 25V ELNA SK6 1E475M RB 3 4X2 8X1 9 CASE 8 047 11476 416 E TANTALUM CHIP CAP 47 UF 20 16 ELNA SK6 1C476M RC 6 0X3 2X2 5 CASE C ROHS 49
3. EXPOSED Com PART METAL OHMMETER should be between 1 and 5 2 Megohm When there is no return path to the chassis the reading must be infinite If it is not within the limits specified there is the possibility of a shock hazard and the unit must be repaired and rechecked before it is returned to the customer 2 PRODUCT SAFETY NOTICE Some electrical and mechanical parts have special safety related characteristics which are often not evident from visual inspection nor can be protection they give necessarily be obtained by replacing them with components rated for higher voltage wattage etc Parts that have special safety characteristics are identified by a A on schematic and parts list Use of a substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock fire and or other hazards Product Safety is under review continuously and new instructions are issued whenever appropriate 3 SERVICING PRECAUTIONS CAUTION Before servicing the unit covered by this service manual and its supplements read and follow the SAFETY PRECAUTIONS on this page NOTE If unforeseen circumstances create a conflict between the following servicing precautions and any of the safety precautions always follow the safety precautions Remember Safety First General Servicing Precautions a Always unplug the unit s AC power cord from the AC power source before 1 removing or
4. 80 20 25V 1608 ROHS Y5V CERAMIC CHIP CAP 390 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 47 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 0 0047 UF 10 50V 1608 ROHS X7R CERAMIC CHIP CAP 0 047 UF 10 50V 1608 ROHS X7R CERAMIC CHIP CAP 0 0068 UF 10 50V 1608 ROHS X7R CHIP INDUCTOR 1 8 UH 0805 COILS CCSPO805FIR8J ROHS CHIP INDUCTOR 10 UH CCSP 0805F 10RJ COILS ROHS L7 8 9 11 12 14 15 17 18 19 27 28 29 Fl 025 20016 503 025 23003 101 025 23008 101 025 50024 205 027 01121 002 050 424 10 201 065 00012 001 5 10550 710 01 001 10550 710 002 01102 001 170 002 01828 001 209 002 03414 180 003 23904 001 14 005 52000 301 005 52102 301 005 52103 301 005 52104 301 16 HEADER D TYPE WAFER 1 PITCH 990 775 00 ROHS 3P WAFER H TYPE 1 25MM PITCH KARSON 990 777 00 SMT ROHS 8P WAFER H TYPE 1 25MM PITCH KARSON 990 778 00 SMT ROHS 24P ZIF CONN V TYPE 0 5MM PITCH SMT CF2024 IVORO ROHS CHIP FERRITE BEAD 2125 121 TAT ROHS 2A 125V SMT FUSE 2410 SLOW BLOW BEL TYPE SST2 UL CE CSA ROHS RELAY 12 5 5 5V MASSUSE ROHS R519MB SMT TFT DRIVER BD CHASSIS ASSY ROHS 11055 7 DRIVER PCB 4 LAYER 94V0 121 23 1 MM ROHS R 2 IC RP1102 33CGL RICH POWER 3 3 500 SOT 223 L TYPE SMT ROHS IC VX1828 VXIS 100 PIN LQFP SMT NJM3414AM TEI SMT ROHS CHIP TRANSISTOR NPN FMMT
5. 002 01380 000 101 002 01389 857 U3 002 02073 180 U12 002 02402 451 U5 002 02964 001 163 BD CHASSIS ASSY ROHS ELECT CAP 10 UF 20 25V SS 4X7 ROHS 3P J WIRE 28UL 60MM 1 25MM JST RED WHITE BLACK ROHS CRYSTAL 20MHZ AT 49 TYPE EMC 50PPM ROHS R519MB SMT DVD MAIN DRIVER BD ROHS 1389QE D KHM313AHC 8M RAM W LINE SELECT R519MB SMT DVD MAIN BD CHASSIS ASSY ROHS 1389QE D KHM313AHC 8M RAM W LINE SELECT 452 MAIN PWR P C B FRA T 1MM 113 146 MM R 4 ROHS IC LM393DR SMT SOP08 ROHS IC RP1102 33CGL RICH POWER 3 3V 500MA SOT 223 L TYPE SMT ROHS IC AT1380HP AIMTRON SMT TSSOP8 ROHS IC MT1389QE D MEDIATEK LQFP216 SMT 2 CH WMA DTS PASS THROUGH ROHS IC NJM2073M JRC ROHS 1 AT24C02A 10SC 207 SO 8 1 ATMEL EEPROM ROHS IC 1529648 LINKAS SOP 8 1 SMT NIMH BATTERY CHARGER CONTROLLER 01 3 5 6 10 11 18 23 24 26 32 101 08 9 12 14 19 20 21 25 33 002 04558 110 002 05654 101 002 09141 001 167 002 46416 061 002 49802 451 003 20323 140 003 21132 149 003 23018 140 003 23065 140 003 23400 001 137 003 23401 001 137 003 23904 114 003 23906 001 114 004 80051 401 004 80056 215 004 80075 215 IC ROHS IC RC4558D T L SOP08 SMT ROHS IC AT5654H AIMTRON SMT ROHS IC MP9141ES LF Z MPS SOIC8 SMT 1 8A STEP DOWN DC TO DC CONVERTER ROHS IC 45641632 0 75 TSOP 54 SAMSUNG 64M SDRAM IC
6. 13V 0 2W SMT ROHS SW DIODE 1SR154 400 TRB ROHM SMT ROHS SCHOTTKY DIODE RB160L 60 ROHM SMT ROHS SW DIODE DAN202K ROHM SMT SMD3 SC 59 DAN202K TLB ROHS SW DIODE DAP202U ROHM SMT UMD3 SC 70 ROHS DIODE DAN217 ROHM SMT ROHS SW DIODE 185355 ROHM SMT ROHS S S W DIODES RB520S 30 ROHM MT ROHS CHIP RESISTOR 470 OHM 2012 MCR10EZHJ471 ROHS CHIP RESISTOR 0 OHM 5 1608 ROHS CHIP RESISTOR 10 OHM 5 1608 ROHS CHIP RESISTOR 100 OHM 5 1608 ROHS CHIP RESISTOR 1 K 5 1608 ROHS CHIP RESISTOR 10 K 5 1608 ROHS CHIP RESISTOR 100 K 5 1608 ROHS R50 118 119 120 121 130 21 97 98 99 107 224 240 005 52109 301 005 52121 301 005 52122 301 005 52151 301 005 52153 301 005 52154 301 005 52182 301 005 52183 301 005 52184 301 005 52201 301 005 52202 301 005 52203 301 005 52220 301 005 52221 301 005 52222 301 005 52302 301 005 52303 301 005 52330 301 005 52332 301 005 52334 301 CHIP RESISTOR 1 OHM 5 1608 ROHS CHIP RESISTOR 120 OHM 5 1608 ROHS CHIP RESISTOR 1 2K 5 1608 ROHS CHIP RESISTOR 150 OHM 5 1608 ROHS CHIP RESISTOR 15 K 5 1609 ROHS CHIP RESISTOR 150 K 5 1608 ROHS CHIP RESISTOR 1 8 K 5 1608 ROHS CHIP RESISTOR 18 K 5 1609 ROHS CHIP RESISTOR 180 K 5 1608 ROHS CHIP RESISTOR 200 OHM 5 1608 ROHS CHIP
7. RESISTOR 2 K 5 1608 MCR03EZHJ202 ROHS CHIP RESISTOR 20 K 5 1609 ROHS CHIP RESISTOR 22 OHM 5 1608 ROHS CHIP RESISTOR 220 OHM 5 1608 MCR03EZHJ221 ROHS CHIP RESISTOR 2 2 K 5 1608 ROHS CHIP RESISTOR 3 K 5 1608 MCH03EZHJ302 ROHS CHIP RESISTOR 30 K 5 1609 ROHS CHIP RESITOR 33 OHM 5 1608 ROHS CHIP RESISTOR 3 3 K 5 1608 MCRO3EZHJ332 ROHS CHIP RESISTOR 330 K 5 1608 MCRO3EZHJ334 ROHS R9 103 139 163 R13 20 23 49 53 89 108 166 7 8 14 15 29 61 62 95 151 182 18 116 117 161 211 213 238 227 230 231 232 R54 55 56 57 58 59 60 90 150 R233 299 340 R101 005 52391 301 005 52392 301 005 52393 301 005 52470 301 005 52471 301 005 52472 301 005 52473 301 005 52479 301 005 52512 301 005 52513 301 005 52561 301 005 52562 301 005 52564 301 005 52622 301 005 52680 301 005 52682 301 005 52684 301 005 52750 301 005 52752 301 005 52754 301 CHIP RESISTOR 390 OHM 5 1608 ROHS CHIP RESISTOR 3 9 K 5 1608 ROHS CHIP RESISTOR 39 K 5 1608 MCR03EZHJ393 ROHS CHIP RESISTOR 47 OHM 5 1608 ROHS CHIP RESISTOR 470 OHM 5 1608 ROHS CHIP RESISTOR 4 7 K 5 1608 ROHS CHIP RESISTOR 47 K 5 1608 ROHS CHIP RESISTOR 4 7 OHM 5 1608 ROHS CHIP RESISTOR 5 1 K 4 596 1608 ROHS CHIP RESISTOR 51K 5 1608 ROHS CHIP RESISTOR 560 OHM 5 16
8. ROHS CHIP INDUCTOR 10 UH CCSP L1 3 6 7 9 10 11 7 8 11 12 13 14 5 10 025 20016 503 025 20026 102 025 23003 101 027 01121 002 047 11106 410 E01 047 11107 406 K02 047 11476 406 KO SMT 76000 400 001 76000 400 002 01522 001 167 004 80051 402 004 80355 400 005 52100 301 005 52104 301 005 52120 301 0805 10RJ COILS ROHS 16P HEADER D TYPE WAFER PITCH NO 990 775 00 ROHS 26P CONNECTOR H TYPE SMT 0 5MM PITCH W FLIP LOOK LOW CONTACT ROHS 3P WAFER H TYPE 125 PITCH KARSON 990 777 00 SMT ROHS CHIP FERRITE BEAD 2125 121 TAI ROHS TANTALUM CHIP CAP 10 UF 20 10V ELAN 8 6 1 106 RC 3 2X1 6X1 6 CASE A ROHS TANTALUM CHIP CAP 100UF 20 6 3V KEMET T491B 107M006AS 3 5 2 8 1 9 CA SE B ROHS TANTALUM CHIP CAP 47 UF 20 6 3V ROHS 3 2 1 6 1 6 CASE 491 476 006 8 R600MB 7 INVERTER BOARD CHASSIS ASSY IC MP1522ET R600 INVERTER P C B 2 LAYER FR4 50 12 1 MM ROHS IC MP1522ET MPS SOT23 5 SMT 25V STEP UP CONVERTER IC ROHS CHIP SHOTTKY BARRIER DIODE RSX051VA 30 ROHM ROHS SW DIODE 1SS355 TRB ROHM SMT ROHS CHIP RESISTOR 10 OHM 5 1608 ROHS CHIP RESISTOR 100 K 5 1608 ROHS CHIP RESISTOR 12 OHM 5 1608 ROHS 005 52272 301 RESISTOR 2 7 K 5 1608 MCR03EZHJ272 ROHS 005 52561 301 RESISTOR 560 OHM 5 1608 ROHS 005 52562 301
9. TB BLACK FOR METAL PLATE 1 SFBPN20100SM ROHS FOR TFT RING 145 24620 000 M462 METAL WASHER 180 04624 010 M462 METAL BOTTOM IRON T 1 0 MM ROHS CABINET BLACK ROHS 146 50409 001 409 MAGNET NDFEB R519MB P 0410 R519MB DVD SUNSTECH PLF 20X3 5X5MM SMDC ROHS 77 PACKING TO GERMANY ROHS 519 0410 519 DVD SUNSTECH 043 26102 541 1P RCA CABLE 26UL IM 2 SIDE COSMETIC ASSY SPRAY SIL SS9 RCA PLUG YELLOW Y001 1 MATT BLACK ROHS D100U182549B YIP CHUN 103 05181 002 R519MB TOP CAB INJ GY MNT7 ROHS 0 ABS SP SIL SS9 1 043 26102 542 2 RCA CABLE 26UL 1M W D GY 433C ENTER SK W O SIDE RCA PLUG WHITE RED USB ROHS Y001 D10025622637 A49B Y C 104 04622 004 M452MB BOTTOM CAB ROHS INJ BK ABS A V IN OUT FOR BATTERY BOTTOM 136 70010 100 RUBBER FOOT DIA 10X1 MM SP MATT BLK W SIL 877C W O NITTO 500 TAPE MATERIAL USB CORE ROHS HH48C ROHS 108 04622 0410 M526 INNER P SUNSTECH 998 00000 093 BATTERY CR2025 3V INJ L GY MN7 0 SP SIL SS9 YUFENG ROHS I MATT BK W D GY 426C R572M DVD R572M LOADER SONY SK ROHS LOADER KHM313AHC SUBASS Y E 108 05180 0410 R519MB OUTER P SUNSTECH MAIN PCB 11 TO 025 10006 149 6P J WIRE 30UL 100MM 2P SP SIL SS9 1 INJ GY MN7 LOADER 2MM JST ROHS 0 ABS W D GY 433C SK ROHS 037 45251 245 24P FILM CABLE 5 250 5 UL 1 113 05180 005 R519MB DVD DOOR 1 P 0 5MM ROHS INJ GREY ABS PA 777D FOR LOADER 145 69912 100
10. UF 80 20 50V ROHS 009 10107 525 ELECT 100 UF 48095 2095 25V ROHS 019 12000 110 L E D DIAMETER 3MM RED SEL 2110R ROHS 031 02600 040 JUMPER WIRE AWG22UL 60MM 001 RED ROHS 031 10500 100 JUMPER WIRE AWG22UL 50MM 001 BLACK ONE SIDE 4MM ONE SIDE 10MM ROHS 043 20192 300 T409 DC CORD 75420 WH BLK QP W BUSHING amp DC PLUG Y001 D19102C458505Q Y C ROHS 050 05020 201 2A 250V GLASS FUSE 5X20 FAST ACTING ROHS BUSSMANN S500 UR VDE SEMKO IMQ BSI APP 101 97030 010 9703 CAR ADAPTOR FRONT CABINET BLACK ROHS 102 97030 010 9703 CAR ADAPTOR REAR CABINET BLACK ROHS 105 97030 010 9703 CAR ADAPTOR CAP BLACK ROHS 133 97031 311 GT9839 9703 CAR ADAPTOR SPRING PLATE T 1 0MM ROHS 133 97035 304 9703 CAR ADAPTOR SPRING T 0 4MM ROHS LSTI SLAVd FOR CAR ADAPTOR FRONT CABINET X 109 20MM CA CD DOOR SW X1 144 12608 202 10005 002 519 CASING 02 029 02808 202 001 039 30005 000 041 04621 002 041 04622 002 041 04623 002 049 00706 009 129 04629 010 129 04629 110 129 04629 210 130 04624 110 133 04099 302 133 04621 115 133 04623 115 133 04623 125 133 04624 306 SCREW 2 6 X 8 RT BLACK ROHS TINNED CCS WIRE DIA 0 5MM ROHS TIN PLATE WIRE WISTEEL 519 CASING ASSY W 049 00706 007 ROHS 28MM SPEAKER 8 OHM NOR 0 5W MAX 1W BLK CLOTH ON BACK SMDC NO DS28 39 ROHS SOLIDING LUG 5 5MM DI
11. 021 34503 101 025 10003 148 ELECT CAP 100 UF 20 6 3V SM 5X5 ROHS ROTARY VOL R1016G21B1 A10K DOUBLE 10 SAME PROPIT ROHS CHOCK COIL 2 3 4 T NO R0157 CB33 858688 ROHS CHOKE COIL 15 UH DIA 6 RADIAL TYPE CW65 150K ZHONGSHAN ROHS CHOKE COIL 22 UH DIA 6 RADIAL TYPE CW65 220K ZHONGSHAN ROHS CHOCK COIL 330 UH CW45 331K RADIAL TYPE ROHS CHOKE COIL 47 UH DIA 6 RADIAL TYPE CW65 470K ZHONGSHAN ROHS LED 3MM RED 304H EVER CHANNEL ROHS L E D DIAMETER 3MM GREEN L 34GDLK KINGBRIGHT ROHS SWITCH SK 22D03 V G3 SEIKO ROHS SWITCH SK 42D01EG4 SEE PLUS ROHS DETECTOR SWITCH SPPB512300 ALPS 8 STEREO JACK EJS 3 0935B DAIICHI BLACK ROHS STEREO JACK ST 35072 02 SEE PLUS BLACK ROHS ST P H JACK ST 3531HW WHITE 5 PINS SEE PLUS ROHS STEREO JACK ST 3531HY SEE PLUS YELLOW ROHS DC JACK 3PINS DC 014 SEIKO ROHS 3P 432UL D SHIELD WIRE 220MM RefNo Description LOD TFT PCB YO MAIN PCB J4 TO J5 MAIN PCB 1 BATT PLATE SPRING TO MAIN BD BATT BATT PLATE SPRING TO MAIN BD BATT FOR 7 DISPLAY DISPLAY PCB R TO R SPEAKER DISPLAY PCB L TO SPEAKER DISPLAY PCB L R TO SPEAKER SMM 1 CE22 7MM 3 D15 17 22 Y101 CONTOR PCB CN701 025 10006 155 025 10016 009 025 20006 102 025 20006 108 025 20006 208 031 02151 040 001 031 10241 040 001 0
12. 08 ROHS CHIP RESISTOR 5 6K 5 1608 ROHS CHIP RESISTOR 560 K 5 1608 ROHS CHIP RESISTOR 6 2K 5 1608 ROHS CHIP RESISTOR 68 OHM 5 1608 ROHS CHIP RESISTOR 6 8K 5 1608 MCRO3EZHJ682 ROHS CHIP RESISTOR 680 K 5 1608 ROHS CHIP RESISTOR 75 OHM 5 1608 ROHS CHIP RESITOR 7 5 K 5 1608 MCRO3EZHJ752 ROHS CHIP RESISTOR 750 K 5 1608 ROHS 51 210 218 235 234 5 9 33 C72 237 255 CB6 10 32 C10 32 48 3 6 11 22 23 24 25 29 31 35 39 40 47 5162 64 65 67 82 10 1 103 105 108 110 112 114 115 116 118 121 128 130 140 141 142 144 147 162 165 167 169 190 204 238 239 240 940 CB3 18 28 46 49 50 52 53 55 56 60 13 14 33 81 109 113 134 13 5 136 137 138 202 208 005 52821 301 005 52822 301 005 52912 301 005 53103 301 005 54278 301 006 72100 250 006 72101 250 006 72102 350 006 72103 350 006 72104 525 006 72105 410 006 72105 416 006 72105 435 006 72151 250 006 72152 350 006 72153 350 CHIP RESISTOR 820 OHM 5 1608 MCH03EZHJ821 ROHS CHIP RESISTER 8 2 K 5 1608 ROHS CHIP RESISTOR 9 1 K 5 1608 ROHS CHIP RESISTOR MULTPLE 10 K 5 1608 X 4 RCMLO8W 103JB ARRA Y ROHS CHIP RESISTOR 0 27 OHM 5 5025 ROHS CERAMIC CHIP CAP 10 PF 4 596 50V 1608 ROHS NPO CERAMIC CHIP CAP 100 PF 5 50 1608 ROHS NPO CERAMIC CHIP CAP 0 001 UF 1096 50V 1608 ROHS X7R CERAM
13. 133MHZ ROHS IC AT49BV802AT 70TU ATMEL TSOP48 SMT 8M FLASH MEMORY IC PB HALIDE FREE ROHS CHIP TRANSISTOR DTC323TU UMT3 ROHM ROHS CHIP TRANSISTOR 2SB1132R MPT3 ROHM ROHS CHIP TRANSISTOR 2SK3018 SOT 23 ROHM ROHS CHIP TRANSISTOR 25 3065 ROHM SMALL SWITCHING 60 2 ROHS CHIP TRANSISTOR AO3400 ALPHA amp OMEGA SOT 23 ROHS CHIP TRANSISTOR AO3401 ALPHA amp OMEGA SOT 23 ROHS CHIP TRANSISTOR NPN FMMT3904 HSMC ROHS CHIP TRANSISTOR PNP 9 FMMT3906 HSMC ROHS SW DIODES RBO5IL 40 1 SMT ROHS ZENER DIODE UDZ5 6B ROHM 1 5 6V 02W SMT ROHS ZENER DIDOE UDZ7 5B ROHM 1 75 02W SMT ROHS 05 6 8 10 20 D12 18 27 R257 D1 R5 R16 31 91 94 140 141 147 14 8 L5 10 D7 R17 74 100 102 164 R44 63 64 65 86 87 114 178 179 214 220 R24 41 48 71 82 109 152 5 16222 R11 12 26 35 36 37 39 46 68 69 73 76 77 78 79 80 88 93 112 123 124 133 13916 7 169 170 173 175 215 217 221 289 R10 106 110 113 132 165 168 226 229 004 80091 215 004 80110 215 004 80130 215 004 80154 400 004 80160 401 004 80202 400 004 80202 401 004 80217 400 004 80355 400 004 80520 401 005 50471 301 005 52000 301 005 52100 301 005 52101 301 005 52102 301 005 52103 301 005 52104 301 ZENER DIODE UDZS9 1B TRB ROHM 9 1V 0 2W UDZ STE179 1B SMT ROHS ZENER DIODE UDZS11B TRB ROHM 11V 0 2W SMT ROHS ZENER DIODE UDZS13B TRB ROHM
14. 31 10500 100 001 033 03700 030 001 033 04700 030 001 033 10700 030 001 040 20001 001 040 61520 000 052 27000 007 061 06038 001 1 05180 700 001 05180 700 025 10008 090 2P 1 25 JS 1146 03 2 KARSON 920 333 00 ROHS 6P 28UL J WIRE 150MM 2P 1 5MM JST WHITE ROHS 16P UL J WIRE 832516 230MM P 1 JST SHR 16V S B 2 HOUSING ROHS 6P WAFER H TYPE 2MM PITCH JST ROHS 6P WAFER H TYPE 1 5MM PITCH JST ROHS 6P WAFER V TYPE 1 5MM PITCH W150V06TO0 ROHS JUMPER WIRE AWG22UL 150MM RED ROHS JUMPER WIRE AWG22UL 240MM BLACK ROHS JUMPER WIRE AWG22UL 50MM BLACK ONE SIDE 4MM ONE SIDE 10MM ROHS JUMPER WIRE AWG28UL 70MM ORANGE ROHS JUMPER WIRE AWG28UL 70MM YELLOW ROHS JUMPER WIRE AWG28UL 70MM BLACK ROHS UL TUBE DIA 1 07 MM ROHS INSULATION TUBE LL1 5MM GRADE2 ROHS CRYSTAL 27 MHZ HC49S 27MZ2215F MEC 2 PINS 15 PPM FUNDAMENTAL ROHS INFRARED REMOTE DETECTOR FM 6038LM ROHS 518 MI DVD CONT BD 1 CHASSIS ASSY M518MB CONTROL P C B 1 T 1MM 138 35 MM ROHS 8P F WIRE 28UL 2561 120MM IP 1 1 27MM JS 1146 08 KARSON S L IVd 048 10006 002 920 336 00 ROHS 6MM CONNECTION PLATE 200G W LEAD ROHS MI 10550 710 01 R519MB MI TFT DRIVER 15 16 17 18 009 30106 425 FOR DRIVER BD J5 025 10003 180 052 20000 001 SMT R519MB 001 SMT 04520 100 10 001 04520 100 002 00393 110 002 01102 001 170
15. 3904 HSMC ROHS CHIP RESISTOR 0 OHM 5 1608 ROHS CHIP RESISTOR 1 K 5 1608 ROHS CHIP RESISTOR 10 K 5 1608 3 ROHS CHIP RESISTOR 100 K 5 1608 3 R6 7 17 22 27 1 2 3 6 7 9 10 13 18 19 20 21 22 23 25 26 28 29 30 31 32 33 34 35 36 37 38 39 40 42 44 46 47 48 49 L2 005 52105 301 005 52153 301 005 52201 301 005 52223 301 005 52271 301 005 52330 301 005 52331 301 005 52332 301 005 52622 301 005 52683 301 005 52750 301 006 72104 525 006 72220 250 006 72330 250 006 72473 350 006 72820 250 012 18473 101 015 00100 904 ROHS CHIP RESISTOR 1 M 5 1608 MCR03EZHJ105 ROHS CHIP RESISTOR 15 K 5 1609 ROHS CHIP RESISTOR 200 OHM 5 1608 ROHS CHIP RESISTOR 22 K 5 1608 ROHS CHIP RESISTOR 270 OHM 5 1608 ROHS CHIP RESITOR 33 OHM 5 1608 ROHS CHIP RESISTOR 330 OHM 5 1608 ROHS CHIP RESISTOR 3 3 K 5 1608 MCRO3EZHJ332 ROHS CHIP RESISTOR 6 2K 5 1608 ROHS CHIP RESISTOR 68 K 5 1609 MCR03EZHJ683 ROHS CHIP RESISTOR 75 OHM 5 1608 ROHS CERAMIC CHIP CAP 0 1 UF 80 20 25V 1609 ROHS Y5V CERAMIC CHIP CAP 22 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 33 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 0 047 UF 10 507 1608 ROHS X7R CERAMIC CHIP CAP 82 PF 5 50V 1608 ROHS NPO CHIP SEMLFIXED EVM3Y SX30 4 47 3 PINS PANASONIC
16. A 1 7MM ROHS M462 BATTERY CONTACT PLATE ROHS M462 BATTERY CONTACT PLATE ROHS M462 BATTERY PLATE SPRING ROHS TFT DISPLAY ATO70TNO7 V A INNOLUX ROHS 7 TFT LCD MODULE W O LED DRIVER BD M462 BATTERY CONTACT BRACKET L BLACK POM ROHS M462 BATTERY CONTACT BRACKET R BLACK POM ROHS M462 DISC DOOR OPEN SWTICH ADAPTOR BLACK POM ROHS M462 DISPLAY ADAPTOR RING BLACK POM ROHS T409 HOOK SPRING ROHS M462 METAL PLATE D IRON T 1 5 MM ROHS M462 METAL BRACKET A IRON T 1 5 MM ROHS M462 METAL BRACKET B IRON T 1 5 MM ROHS M462 SW SPRING ROHS FOR BATTERY LOCK FOR BOTTOM CAB FOR MAIN P C B GROUNDING X1 FOR CONTROL P C B GROUNDING X1 FOR P C B GROUNDING FOR BOTTOM CAB FOR BOTTOM CAB FOR BOTTOM BATTERY CAB USE FOR BATTERY USE FOR 7 TFT USE FOR BATTERY SET FOR BATTERY SET FOR 24P FLAT WIRE ON LOADER FOR TFT FRONT CAB 133 04625 360 133 04626 103 133 04629 305 133 04629 303 133 04629 305 002 133 05189 305 001 133 05589 306 136 10015 480 136 10020 480 136 10510 050 136 10530 100 136 10540 100 136 11501 200 136 21060 120 136 21503 200 136 80020 040 138 04624 010 144 11405 201 144 11706 402 462 METAL PIN A STEEL DIA 6 MM ROHS M462 METAL PLATE A IRON T 0 3 MM ROHS M462 BATTERY PLATE SPRING FOR BOTTOM CAB ROHS M462 P C B SPRING STEEL T 0 3 MM ROHS M462 P C B SPRING A S
17. AUTIONS Before returning a unit to the customer always make a safety check of the entire unit including but not limited to the following items a Be sure that no built in protective devices are defective and or have been defeated during servicing 1 Protective shields are provided to protect to protect both the technician and the customer Correctly replace all missing protective shields including any removed for servicing convenience 2 When reinstalling the chassis and or other assemblies in the cabinet be sure to put back in place all protective devices including but not limited to nonmetallic control knobs insulating fishpapers adjustment and compartment covers shields and isolation resistor capacitor networks Do not operate this unit of permit it to be operated without all protective devices correctly installed and functioning b Be sure that there are no cabinet openings through which an adult or child might be able to insert their fingers and contact a hazardous voltage Such openings include but are not limited to excessively wide cabinet ventilation slots and an improperly fitted and or incorrectly secured cabinet back cover c Leakage Current Hot Check With the unit completely reassembled plug the AC line cord directly into a AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards institute ANSI C101 1 L
18. IC CHIP CAP 0 01 UF 4 10 50 1608 ROHS X7R CERAMIC CHIP CAP 0 1 UF 80 2096 25V 1608 ROHS Y5V CERAMIC CHIP CAP 1 UF 20 10V 1608 ROHS Y5V CERAMIC CHIP CAP 1 UF 20 16V 1608 ROHS Y5V CERAMIC CHIP CAP 1 UF 20 35V 1608 ROHS Y5V CERAMIC CHIP CAP 150 PF 4 596 50V 1608 ROHS NPO CERAMIC CHIP CAP 0 0015 UF 1096 50V 1608 ROHS X7R CERAMIC CHIP CAP 0 015 UF CB8 C19 21 26 27 28 30 34 38 41 201 206 36 122 123 126 14 6 13 L 16 102 103 006 72200 250 006 72220 250 006 72221 250 006 72222 350 006 72225 510 006 72270 250 006 72271 250 006 72273 450 006 72331 250 006 72332 350 006 72333 325 006 72334 525 006 72391 250 006 72470 250 006 72472 350 006 72473 350 006 72682 350 015 00018 901 015 00100 904 10 50V 1608 5 7 CERAMIC CHIP CAP 20 PF 5 50 1608 ROHS NPO CERAMIC CHIP CAP 22 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 220 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 0 0022 UF 10 50V 1608 ROHS X7R CERAMIC CHIP CAP 2 2 UF 80 20 10V 1608 ROHS Y5V CERAMIC CHIP CAP 27 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 270 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 0 027 UF 20 50V 1608 ROHS Y5V CERAMIC CHIP CAP 330 PF 5 50V 1608 ROHS NPO CERAMIC CHIP CAP 0 0033 UF 10 50V 1608 ROHS X7R CERAMIC CHIP CAP 0 033 UF 10 25V 1608 ROHS X7R CERAMIC CHIP CAP 0 33 UF
19. L EEPROM AT24C02BN 10SU 1 8 U12 lt o SCL START ep STOP SDA 4 H a a CONTROL v LOGIC et DEVICE DATA RECOVERY ADDRESS COMPARATOR at t 5 ER DATA WORD EEPROM Ao L ADDR COUNTER mmtm SERIAL MUX Doer a cr ER RT QNI VR BRIAN RIEN DUAL LOW VOLTAGE POWER AMPLIFIER NJM2073M U3 3216 HEADPHONE 5 6132 1 CIRCUIT DESCRIPTION 25V STEP UP CONVERTER IC MP1522ET U1 GND DUAL COMPARATORS LM393DR U10 OUT1 1 8 IN1 ES 1Ch 7 OUT2 2Ch IN1 3 6 IN2 Vcc 4 5 IN2 CIRCUIT DESCRIPTION 4 CHANNEL BTL MOTOR DRIVER FOR CD ROM AT5654H U102 VINFC STBY CFCerr1 BIAS 2 ViyTK VpSL CTKerr1 V SL CTKerr2 VOSL VNFFC GND PV PV oc VNFTK PGND PGND VOSL VOLD LOADING DRIVER VOSL Tm VOLD VOFC VOTK ACTUATOR M NN VOFC VOTK 300 500 LOW DROPOUT LINEAR VOLTAGE REGULATOR RP1102 33CGL 01 02 VIN Current Limiting Sensor Thermal Shutdown CIRCUIT DESCRIPTION 8M CMOS SINGLE VOLTAGE ONLY HIGH SPEED FLASH AT49BV802AT 70TU 011 SF CE CONTROL PROGRAM ERASE SUE gt INPUT uM iso HIGH VOLTAGE ren p W
20. P DOWN ROHS SP SIL SS9 1 R519MB BUTTON C SETUP DIS TITLE MENU SP SIL SS9 1 ROHS R519MB BUTTON SKIP F FJFR SP SIL SS9 1 ROHS R519MB BUTTON STOP PAUSE SP SIL SS9 1 ROHS R519MB BUTTON F PLAY SP SIL SS9 1 ROHS R519MB DISC OPEN BUTTON SP SIL SS9 1 ROHS M518 DOOR BRACKET ROHS 518 DISC DOOR OPEN BRACKET ROHS MI R519MB 001 519 MI DVD MAIN CONT BD ASSY ROHS 1389QE D KHM313AHC 8M RAM W LINE SELECT MI 04520 100 10 R519MB MDDVD MAIN BD CHASSIS ASSY ROHS 1389QE D KHM313AHC 8M RAM W LINE SELECT TRANSISTOR 8050C KEC ROHS ELECT CAP 470 UF 80 20 10V ROHS ELECT CAP 10 UF 20 25V SS 4X7 ROHS ELECT CAP 100 UF 20 10V SS 5X7 ROHS ELECT CAP 100UF 20 16V SS 6 3X7 ROHS ELECT CAP 220 UF 20 10V SS 6 3X7 ROHS ELECT CAP 4 7 UF 20 50V SS 4X7 ROHS ELECT CAP 47 UF 20 10V SS 9 4X7 ROHS 128 05 182 0974 128 05 183 0974 128 05 184 0974 128 05 185 0974 128 05 189 0974 129 05180 000 129 05189 000 003 08050 393 009 10477 510 009 30106 425 009 30107 410 009 30107 416 009 30227 410 009 30475 450 009 30476 410 E 16 JK1 MAIN PCB CON3 TO 009 69 107 406 010 20103 161 015 00003 101 015 00150 106 015 00220 306 015 00331 106 015 00470 106 019 12000 304 019 15000 340 020 12203 105 020 14204 112 020 31100 061 021 23505 101 021 23505 106 021 23505 107 021 23506 105
21. SM x STATE 9 REGISTER ADDRESS 9 LATCH ARRAY 2 SOURCE E COMMAND 8 DATA BUFFER S 41 72737 DECODER SENSE POM AMPUFIER Hy COMMAND DATA LATCH 4 PROGRAM DATA LATCH 00 015 1 VO BUFFER lt INFRARED REMOTE CONTROL TRANSMITTER SC6122 001 1 1 2 KI Os 6 11 CIRCUIT DESCRIPTION 2 BANKS X 512K X 16 BIT SYNCHRONOUS DRAM K4S641632H UC75 TSOP 54 U9 Self Refresh Counter 3 8 Refresh Refresh Interval Timer Counter 811 512 16 22 8 Bank 0 E o 4 5 0 10 Address 0 10 2 3 2 5 GC 8 UO gates Column Decoder CLK n Address ___ Row active ont L 40 H mn Activ 5 Column 5 DQ5 Latch amp Counter RAS 9 Le Burst Length 3 pag CAS 8 Counter 0010 8 0012 DQ13 UDQM gt lt 0014 olumn 0015 L Sensa 8 UO gates AMP amp gates Row Latch Predecoder Mode Register CIRCUIT DESCRIPTION 2A STEP DOWN DC TO DC CONVERTER MP9141ES LF Z 02 4 Foldback Comparator Error Amplifier FB gm 770 AN 5 VIDEO PROCESSOR FOR MIDDLE SIZE LCD PANEL 1828 01 LCD Timing Controller CCIR 601 656 Host Interface CCIR 601 656 13 2772M STD 31 2772 120 230V VDE APP STD AS
22. SY 059 05202 100 SW ADAPTOR SPEC 102 LIN VDE EN60065 W M LC SW0901500 W02 GP 100 240V TUV CE ROHS HS R519MB GY R519MB H S CHASSIS 410 W COSMETIC ASSY ROHS 001 04050 710 405 REMOTE CONTROL P C B 48 KEY ROHS 002 06122 330 1 SC6122 001 SILAN SOP 24 SMT ROHS 003 24081 140 CHIP TRANSISTOR 2SC4081 RS TLB ROHM ROHS 004 01122 600 INFRARED EMITTING DIODES EL 1L2 ROHS 005 52109 301 RESISTOR 1 OHM 4 596 1608 ROHS 006 72181 250 CERAMIC CHIP CAP 180 PF 4 596 50V 1608 ROHS NPO 009 10476C510 ELECT CAP 47 80 20 10V ROHS PIN LENGTH 9MM 028 00455 011 CERAMIC FILTER ZTB455E 2 PINS ROHS 041 04051 002 405 HANDSET BATTERY PLATE ROHS 041 04052 002 405 HANDSET BATTERY SPRING ROHS 104 04050 0956 405 H S BOTTOM CAB L GREY MN7 0 ROHS 111 04050 0956 N405M H S BATTERY DOOR L GREY MN7 0 ROHS 125 04050 001 405 H S MEMBRANE SW P ROHS W RED 032C SIL 8001C GN 375C 2X SIL GY 8403C WH SK 125 04052 003 T409 BATTERY INSULATION PLATE PC CUT SHEET T 0 1MM ROHS 133 97036 352 9703 CAR ADAPTOR PLUG 144 11405 402 SCREW 1 4 X 5 GENERAL TECHNIC ROHS D 2 5MM ROHS M452 CAR 556 CAR ADAPTOR ASSY 04 ROHS OUTPUT DC 12V 1 2A W MADE IN CHINA 001 35000 400 3500 CAR BAT SUPPLY P C B ROHS 004 05401 300 RECTIFIER IN 5401 ROHS 005 10152 314 RESISTOR 1 5 K 4 596 1 4W ROHS 006 10203 550 CERAMIC CAP 0 02
23. TEEL DIA 0 5 ROHS 518 DOOR BRACKET SPRING DIA 0 5MM ROHS R558 CD DOOR SPRING T 0 6MM STEEL ROHS RUBBER FOOT DIA 4 8X1 5 MM WIONE SIDE TAPE ROHS RUBBER FOOT DIA 4 8X2 MM WIONE SIDE ROHS RUBBER 5 X 5 X IMM W ONE SIDE TAPE ROHS RUBBER 10 X 5 X W ONE SIDE TAPE ROHS RUBBER 10 5 4 MM W ONE SIDE TAPE ROHS RUBBER 20 X 15 X 1 5MM W ONE SIDE TAPE ROHS RUBBER 6 X 10 X 12MM W TWO SIDE TAPE ROHS RUBBER 15 X25 X 20MM W TWO SIDE TAPE ROHS PANEL RUBBER FOOT DIA 3 6X2 2 MM GREY ROHS M462 DISC DOOR HOOK BLACK POM ROHS SCREW 1 4X5 SILVER ROHS SCREW 1 7X6 KB ROHS FOR BATTERY CAB 144 11706 412 SCREW 1 7X6 KB BLACK ROHS 117 04620 0931 M462 SENSOR LENS SEME FOR TFT SPRING USE 144 12004 511 SCREW 2X4 CWB BLACK TRANS WHITE PMMA ROHS HARDEN D 5MM T 0 5MM 117 04621 0931 M462 LED LENS 5 E6D801 1 0 5 TRANS WHITE PMMA ROHS FOR DOOR BRACKET 144 12006 300 SCREW 2 6 PWT A ROHS 130 04624 1887 M518MB DISPLAY SWITCH FOR HINGE SHAFT 144 12606 111 SCREW 2 6X6 RT BLACK ROHS ADAPTOR L GREY MNC7 FOR DISPLAY 144 21702 201 SCREW 1 7X2 BM ROHS 0 POM ROHS 144 52005 122 SCREW 2X5 STR FOR FRONT CAB X 2 144 12005 401 SCREW 2X5 KT ROHS SILVER ROHS FOR CD DOOR BRACKE FOR BOTTOM CAB 144 52008 112 SCREW 2X8 STR TB 2 BLACK ROHS FOR BOTTOM CAB 2 144 12005 411 SCREW 2X5 KT BLACK ROHS FOR BOTTOM CAB 144 52010 112 SCREW 2 10 STR
24. WASHER L 9MM 2 SP SIL SS9 1 W D GY Wz6 5MM T 1MM DIA 3 3MM SK ROHS ROHS FOR BATTERY CAB FOR CONT PCB FOR BATTERY CAB X 5 FOR BOTTOM CAB X 9 FOR OPEN KNOB BKT X 2 160 00313 001 161 03102 001 M462MB 55 01 103 04620 040 104 04620 040 130 04628 040 133 04629 306 001 144 11704 101 144 11704 411 144 52005 112 998 00000 085 R519MB SIL KNOB 127 04625 1974 127 04627 1974 128 05180 0974 DVD MECHANISM SONY ROHS SLIM TYPE BALL CLAW 310 INSULATOR IIR HARDNESS 40 DEG SILICON RUBBER ROHS M462MB DVD BATTERY PACK CHASSIS ASSY W 998 00000 085 ROHS M462 BATTERY CASE TOP BLK ABS SP MATT BLK ROHS M462 BATTERY CASE BOTTOM BLK ABS SP MATT BLK ROHS M462 BATTERY LOCKER BLK ABS SP MATT BLK ROHS M462 BATTERY HOOK SPRING BLACK STEEL DIA 0 6MM ROHS SCREW 1 7X4 RT ROHS SCREW 1 7X4 KT BLACK ROHS SCREW 2X5 STR TB BLACK SFBPN20SROSM ROHS EPT NI MH RECH BATT 7 2V 1500MAH ROHS EPT 50AA150H6S 2P 200MM WIRE RED BLK R519MB SILVER KNOB VERSION ASSY ROHS R519MB POWER KNOB SP SIL SS9 1 ABS ROHS R519MB PANEL OPEN KNOB SP SIL SS9 1 ABS ROHS R519MB BUTTON A LEFT RIGHT ROHS SP SIL SS9 1 6 9 14 16 17 28 71 285 286 289 290 5 146 170 CE2 3 7 21 26 27 47 61 63 87 CE15 102 104 106 124 125 14 128 05181 0974 R519MB BUTTON U
25. e lens should get dusty blow off the 2 dust carefully from the object 3 There are no adjustable parts in the pickup assembly If it is defective replace the whole pickup assembly CAUTION USE OF CONTROLS ADJUSTMENTS OR PERFORMANCE OF PROCEDURES HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE DANGER IF INTERLOCK FAILS OR IS DEFEATED THE LASER LIGHT IS ABLE TO FUNCTION THE LASER IS INVISIBLE AVOID DIRECT EXPOSURE TO BEAM DISASSEMBLY FOR REPAIR TO DISASSEMBLY THE BOTTOM METAL CABINET 1 Remove the 14 screws A from bottom metal cabinet TO REMOVE THE INNER PANEL 2 Remove the 6 screws B from the inner panel and out panel WIRING DIAGRAM MECHANISM 12 U101 SONY 2 Wire Serial KHM313AHC EEPROM Progressive Scan DVD Player 27MHz Compo Chip U9 SDRAM U102 m Motor Driver POWER OUT 02 1V8 AUDIO LINE Ul 3V3 3V3 TO ALL VCC ET dos U6 03 U13 13V Dual Power Amp 5V SPK OUT QUT U4 vr U10 TFT PANEL BATTERY 05 02 AC SH 1 NiMH Battery Charger Controller Adaptor WVaOVId CIRCUIT DESCRIPTION NiMH BATTERY CHARGER CONTROLLER LS2964S 05 Timer VDD LED PWM OSC Vdet GND Idet DUAL OPERATIONAL AMPLIFIER RC4558D U6 SINGLE SUPPLY DUAL HIGH CURRENT OPERATIONAL AMPLIFIER NJM3414AM TE1 U3 CIRCUIT DESCRIPTION PROGRESSIVE SCAN DVD PLAYER COMBO CHIP MT1389QE D 0101 CIRCUIT DESCRIPTION 2 WIRE SERIA
26. eakage Current for Appliances and U nderwriters Laboratories UL 1410 50 7 With the unit AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the unit antennas handle bracket metal cabinet screwheads metallic overlays control shaft ect especially any exposed metal parts that offer an electrical return path to the chassis Any current measured must not exceed 0 5 milliamp Reverse the unit power cord plug in the outlet and repeat test ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE UNIT TO THE CUSTOMER AC LEAKAGE TEST READING SHOULD TEST ALL EXPOSED NOTBE DEVICE METAL SURFACES ABOVE UNDER 0 5mA TEST LEAKAGE 2 WIRE CORD ALSO CURRENT TEST WITH PLUG TESTER REVERSED USING AC Ee rz ADAPTER PLUG A riim REQUIRED GROUND d Insulation Resistance Test Cold Check 1 Unplug the power supply cord and connect a jumper wire between the two prongs of the plug 2 Turn on the power switch of the unit 3 Measure the resistance with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the unit such as screwheads antenna control shaft handle brackets etc When the exposed metallic part has a return path to the chassis the reading ANTENNA TERMINAL
27. reinstalling any component circuit board module or any other unit assembly 2 disconnecting or reconnecting any unit electrical plug or other electrical connection 3 connecting a test substitute in parallel whit an electrolytic capacitor in the unit Caution A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard b Do not defeat any plug socket B voltage interlocks with which the unit covered by this service manual might be equipped c Do not apply AC power to this unit and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed d Always connect a test unit ground lead to the unit chassis ground before connecting the test unit positive lead Always remove the test instrument s ground lead last 4 LASER PRECAUTIONS WARNING 1 When servicing in case it is necessary to confirm Laser Beam Emission be sure not to place your eyes any closer than 1 ft or 30cm from the surface of the Object Lens on the Optical Pickup Block HANDLING THE LASER PICKUP 2 Laser diodes are extremely susceptible to damage from static electricity Even if a static discharge does not ruin the diode it can shorten its life or cause it to work improperly When replacing the pickup use a conductive mat on the floor and desk and wear a wrist band connected to ground through a 1M ohm resistor to protect the laser diode from static damage If th
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