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BBK DV723S-2, Руководство по обслуживанию, Страница: 1 / 48

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SERVICE MANUAL

DV723S-2

Содержание DV723S-2

Страница 1: ...SERVICE MANUAL DV723S 2...

Страница 2: ...1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST 4 5 2 BRACKET EXPLOSED VIEW AND PART LIST 6 6 ELECTRICAL CONFIRMATION 8 6 1 VIDEO OUTPUT LUMINANCE SIGNAL CONFIRMATION 8 6 2 VIDEO OUTPUT CHROMINANCE...

Страница 3: ...removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as alminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only...

Страница 4: ...Front Panel Illustration POWER switch Disc tray STOP button MIC jack Headphone jack SD MS MMC Soket IR SENSOR Display window OPEN CLOSE button 6 5 4 2 7 2 6 PLAY PAUSE button 3 4 5 7 8 9 10 8 9 10...

Страница 5: ...installation the both ends of the laser diode are short circuited After replacing the parts with new ones remove the short circuit according to the correct procedure See this Technical Guide 2 Do not...

Страница 6: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1...

Страница 7: ...MIDDLE A 1 7 1EA2511A29400 GEAR MIDDLE B 1 8 1EA2744A03000 SHAFT SLIDE 1 9 1EA2744A03100 SHAFT SLIDE SUB 1 10 1EA2812A15300 SPRING COMP TYOUSEI 3 11 1EA2812A15400 SPRING COMP RACK 1 21 1EA0B10B20100 A...

Страница 8: ...t wheel 17 Pick up 5 gearwheel 18 switch 6 iron chip 19 Five pin flat plug 7 Immobility mechanism equipment 20 screw 8 Magnet 21 PCB 9 Platen 22 motor 10 Bridge bracket 23 Motor wheel 11 screw 24 scre...

Страница 9: ...h a soldering iron after a circuit is connected Keep the power source of the pick up protected from internal and external sources of electrical noise Refrain from operation and storage in atmospheres...

Страница 10: ...onnect the oscilloscope to the video output terminal and terminate at 75 ohms 2 Confirm that luminance signal Y S level is 1000mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Titl...

Страница 11: ...tput terminal and terminate at 75 ohme 2 Confirm that the chrominance signal C level is 621 mVp p 30mV Measurement point Video output terminal Color bar 75 PLAY Title 46 DVDT S15 PLAY Title 12 DVDT S0...

Страница 12: ......

Страница 13: ...r Sectors can be locked in system or via programming equipment Temporary Sector Unprotect feature allows code changes in previously locked sectors Unlock Bypass Program Command Reduces overall program...

Страница 14: ...ss time ns tACC 70 90 120 Max CE access time ns tCE 70 90 120 Max OE access time ns tOE 30 35 50 Input Output Buffers X Decoder Y Decoder Chip Enable Output Enable Logic Erase Voltage Generator PGM Vo...

Страница 15: ...12 DQ4 VCC DQ11 DQ3 DQ10 48 33 47 46 45 44 43 42 41 40 39 38 37 36 35 34 25 32 31 30 29 28 27 26 A1 A15 A18 A14 A13 A12 A11 A10 A9 A8 A19 NC WE RESET NC NC RY BY A17 A7 A6 A5 A4 A3 A2 1 16 2 3 4 5 6 7...

Страница 16: ...22 RESET A18 A17 A7 A6 A5 A4 A3 A2 A1 A0 CE VSS OE DQ0 DQ8 DQ1 DQ9 DQ2 DQ10 DQ3 DQ11 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 WE A19 A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTE VSS...

Страница 17: ...16 bit mode CE Chip enable OE Output enable WE Write enable RESET Hardware reset pin RY BY Ready Busy output N A SO 044 VCC 3 0 volt only single power supply see Product Selector Guide for speed opti...

Страница 18: ...f consecutive read or write cycles initiated by a single control command Burst length of 1 2 4 8 or Full page and the burst count sequence sequential or interleave A burst of read or write cycles in p...

Страница 19: ...ite Enable RAS CAS and WE define the operation Refer function truth table for details LDQM UDQM Data Input Output Mask Controls output buffers in read mode and masks input data in write mode DQ0 DQ15...

Страница 20: ...olumn Pre Decoders Column Add Counter Row active Column Active Burst Counter Data Out Control CAS Latency Internal Row counter DQ0 DQ1 DQ14 DQ15 refresh Self refresh logic timer Pipe Line Control I O...

Страница 21: ...grates the MediaTek 2nd generation front end analog RF amplifier and the Servo MPEG AV decoder The progressive scan of the MT1389 utilized a proprietary advanced motion adaptive de interlace algorithm...

Страница 22: ...output or digital output Embedded Micro controller Built in 8032 micro controller Built in internal 373 and 8 bit programmable lower address port 1024 bytes on chip RAM Up to 4M bytes FLASH programmin...

Страница 23: ...e echo Microphone tone control Vocal mute vocal assistant Key shift up to 8 keys Chorus Flanger Harmony Reverb Channel equalizer 3D surround processing include virtual surround and speaker separation...

Страница 24: ...LED_MODULE_ZDC6 2004YRGB A Grid1 Grid2 Grid3 Grid4 Grid5 Grid6 Grid7 Seg1 Seg2 Seg3 Seg4 Seg5 Seg6 Seg7 Seg8 Seg9 Seg1 Seg2 Seg3 Seg4 Seg5 Seg6 Grid1 Grid2 Grid3 Grid4 Grid5 Grid6 Grid7 Seg7 Seg8 Seg9...

Страница 25: ......

Страница 26: ...K901 STANDBY LED901 LED backgroud 1 2 3 4 5 XS901 5PIN 2 0 1 2 XS902 2PIN 2 0...

Страница 27: ......

Страница 28: ...V TC507 47uF 16V D503 1N4007 D502 1N4007 D504 1N4007 D501 1N4007 C508 104 C511 104 9V 5V ZD502 10V 0 5W VDD 4 D 5 S 2 FB 3 D 6 D 7 D 8 S 1 U501 VIPER22 R512 9 1K 1 2 BCN501 220V L509 10uH 1A option TC...

Страница 29: ......

Страница 30: ...XS601 9P2 0mm 5V VD601 IN4148 VD602 IN4148 VD603 IN4148 MIC601 CK3 6 35 24 3 2 1 8 4 U601A 4558 9VA 9VA AGND AGND 1 2 C6091UF C6111UF C6121UF C6131UF 2 1 XS602 2P 2 0 GND 5V GND C615 1u 16V TC620 100u...

Страница 31: ......

Страница 32: ...L709 FBSMT L708 FBSMT L707 FBSMT Y1 Pb VGND GREEN BLUE RED B G R 1 2 3 4 5 6 JK702 RCA 407 BLACK TC702 1000uF 10V TC703 220uF 16V TC704 220uF 16V L710 FBSMT SPDIF R701 220R C710 104 L713 FCM L714 FCM...

Страница 33: ......

Страница 34: ...8R SD_PWR SD_CDN VCC2CARD 1 2 R213 100K 2 3 4 1 XS202 4P 2 0 1 2 R205 33K 1 2 R204 33K 2SLOTSEL MS_BS MS_DATA MS_INS MS_CLK 1 2 R201 10K 1 2 C201 NC 1 2 R203 10K SD_D3 SD_CMD SD_CLK SD_DATA SD_D1 SD_D...

Страница 35: ......

Страница 36: ...V1P4 ADIN L202 FB 89V33 PWR A16 A15 A14 A13 A12 A11 A10 A9 A20 PCE A1 PRD AD0 AD1 AD2 AD3 AD4 AD5 AD6 A21 AD7 A17 A0 V18 VSCK VSDA VSTB SCL SDA RXD TXD URST IR DQM0 DQS0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ...

Страница 37: ...30 A6 31 A7 32 A8 33 A9 34 A10 AP 22 A11 35 BA0 A13 20 BA1 A12 21 CLK 38 CKE 37 CS 19 RAS 18 CAS 17 WE 16 DQML 15 DQMH 39 NC 36 NC 40 VSS 54 VSS 41 VSS 28 DQ0 2 DQ1 4 DQ2 5 DQ3 7 DQ4 8 DQ5 10 DQ6 11 D...

Страница 38: ...8 1K R2126 1K R2115 100K R2116 100K Q210 2SC1815 YS Q209 2SC1815 YS C2138 104 C2139 104 C2140 104 9V AGND C2141 104 C2142 104 C2143 104 9V AGND SDATA2 SDATA1 SDATA0 SLRCK SACLK SBCLK SCL SDA RESET LL...

Страница 39: ...DQ28j DQ29j C320 102 R341 330 LIMIT LIMITj C319 102 R342 330 C318 102 R343 330 TROUT TRIN TROUTj TRINj HSYNC VSYNC FS1j C313 27P C314 27P C315 102 R344 10K FS1 DV33 MUTE_DAC C316 102 C317 102 AV BBK...

Страница 40: ......

Страница 41: ...101 10 7 5mm PCS 1 C503 0200224 PORCELAIN CAPACITOR 1000V 103 80 20 7 5mm PCS 1 C502 0210116 ANTI DISTURBANCE CAPACITOR MKP61 X2 275VAC 104 20 15 PCS 1 BC501 0210066 TERYLENE CAPACITOR 275V 104 20 15...

Страница 42: ...6W 0 5 0603 PCS 1 L402 0000431 CARBON FILM RESISTOR 1 4W75 5 SHAPED 10 PCS 1 R409 90181 SMD RESISTOR 1 16W 100 5 0603 PCS 1 R407 0090008 SMD RESISTOR 1 16W 220 5 0603 PCS 2 R413 R414 0090011 SMD RESIS...

Страница 43: ...R201 R203 R214 R217 R223 R224 R228 0090028 SMD RESISTOR 1 16W 33K 5 0603 PCS 2 R204 R205 0090034 SMD RESISTOR 1 16W 100K 5 0603 PCS 2 R213 R221 0090109 SMD RESISTOR 1 16W 1M 5 0603 PCS 1 R211 0260327...

Страница 44: ...602 0880361 IC 4558 SOP PCS 2 U601 U602 0881537 IC TDA1308 SOP PCS 1 U603 1563304 PCB 6975A 0 PCS 1 1940027 SOCKET 2P 2 0mm PCS 1 XS602 1940022 SOCKET 4P 2 0mm PCS 1 XS603 1940044 SOCKET 9P 2 0mm PCS...

Страница 45: ...7 L709 L710 L713 L714 1090045 ELECTRO OPTIC TRANSFORMER TX179ATW PCS 1 JK705 1090024 ELECTRO OPTIC TRANSFORMER TX179AT PCS 1 JK705 1910078 TERMINAL SOCKET AV4 8 4 6G 3 PCS 1 JK702 1910129 TERMINAL SOC...

Страница 46: ...W 4 7K 5 0603 PCS 16 R238 R240 R2130 R2131 R2134 R2135 R2138 R21 40 R2142 R2143 R2146 R 2147 R2150 R2151 0090021 SMD RESISTOR 1 16W 6 8K 5 0603 PCS 6 R2136 R2148 R2152 R21 55 0090023 SMD RESISTOR 1 16...

Страница 47: ...79 C 301 C303 C305 C309 C31 1 C312 C2138 C2143 C21 53 C2157 C2161 C2163 C 2169 C2166 C2174 C2175 C2168 C284 C287 C321 C 348 C353 C354 C355 0310234 SMD CAPACITOR 16V 105 80 20 Y5V 0603 PCS 12 C201 C204...

Страница 48: ...0361 IC 4558 SOP PCS 3 U219 U220 U221 0882353 IC CS5340 TSSOP PCS 1 U210 0880322 IC MM74HCU04M SOP PCS 1 U205 0880513 IC HCU04 SOP PCS 1 U205 0881415 IC HY57V641620HGT 7 TSOP PCS 1 U211 0881872 IC KSV...

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