BBK DV523S Service Manual Download Page 33 | Manualshive

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OUTPUT BOARD

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Summary of Contents for DV523S

Page 1: ...SERVICE MANUAL DV523S...

Page 2: ...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 SI...

Page 3: ...s place the assembly on a conductive surface such as alminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES...

Page 4: ...ont Panel Illustration POWER switch 2 Disc tray 3 OPEN CLOSE button PLAY PAUSE button 4 STOP button 5 8 6 7 9 LED display window Remote control signal sensor Headphone jack MIC jack 2 3 4 4 5 6 7 8 9...

Page 5: ...nds 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 use a tester to check t...

Page 6: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1 5 Assembling and disassembling the mechanism unit 4...

Page 7: ...IDDLE 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 AS...

Page 8: ...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 screw...

Page 9: ...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 c...

Page 10: ...illoscope 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 Title 46 DVDT S15...

Page 11: ...te 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 S01 DVDT S15 or DVDT S01 Mo...

Page 12: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC VIPER22 PIN 5 WAVEFORM DIAGRAM 10...

Page 13: ...s 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 programming tim...

Page 14: ...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 Volt...

Page 15: ...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 8...

Page 16: ...2 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...

Page 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 optio...

Page 18: ...ve 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 progress can...

Page 19: ...te 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 D...

Page 20: ...lumn 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 B...

Page 21: ...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 to ach...

Page 22: ...utput 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 programming...

Page 23: ...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 T...

Page 24: ...eg7 ks7 14 Seg8 ks8 15 Seg9 ks9 16 Seg10 ks10 17 LED403 TOS 2781BG B29 Grid1 Grid2 Grid3 Grid4 Grid5 Grid6 Grid7 Seg1 Seg2 Seg3 Seg4 Seg5 Seg6 Seg7 Seg8 Seg9 Seg1 Seg2 Seg3 Seg4 Seg5 Seg6 Grid1 Grid2...

Page 25: ...FRONT SCHEMATIC DIAGRAM 23...

Page 26: ...KEY2 Seg2 2 1 XS901 2P 2 0mm K901 STANDBY FRONT SCHEMATIC DIAGRAM 24...

Page 27: ...FRONT SCHEMATIC DIAGRAM 25...

Page 28: ...03 ZD501 5 1V 0 5W D506 HER105 D511 HER105 D512 HER105 3 3V 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 U50...

Page 29: ...POWER BOARD SCHEMATIC DIAGRAM 27...

Page 30: ...R634 4 3K R631 3 9K TC618 47uF 16V R632 3 9K R633 4 3K TC617 47uF 16V H_L OUT1 1 IN1 2 IN1 3 GND 4 VDD 8 OUT2 7 IN2 6 IN2 5 U603 TDA1308 R629 3 3K R630 3 3K AGND R636 10K R635 10K C616 101 C617 101 H...

Page 31: ...OK SCHEMATIC DIAGRAM 29...

Page 32: ...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 C707 105 VGND R7...

Page 33: ...OUTPUT BOARD 31...

Page 34: ...2 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 DQ0 DQ15 DQ14 R...

Page 35: ...2 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 DQ7 13 DQ8 42...

Page 36: ...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 RS RR LS LFE...

Page 37: ...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 4 4 2937K 6 1...

Page 38: ...MIAN SCHEMATIC DIAGRAM 36...

Page 39: ...PCS 1 R506 279 CARBON FILM RESISTOR 1 4W470 5 SHAPED 10 PCS 1 R514 0000284 CARBON FILM RESISTOR 1 4W1 5K 5 SHAPED 10 PCS 1 R511 0000461 CARBON FILM RESISTOR 1 4W9 1K 5 SHAPED 10 PCS 1 R512 0000283 CA...

Page 40: ...0603 PCS 1 R704 0090029 SMD RESISTOR 1 16W 47K 5 0603 PCS 1 R715 0090017 SMD RESISTOR 1 16W 2 2K 5 0603 PCS 1 R710 0310234 SMD CAPACITOR 16V 105 80 20 0603 PCS 2 C707 C711 0090001 SMD RESISTOR 1 16W...

Page 41: ...D CD110 16V47U 20 5 11 2 PCS 5 TC614 TC618 0260025 CD CD11 16V47U 20 5 11 2 PCS 5 TC614 TC618 0260200 CD CD11C 16V47U 20 5 7 2 PCS 5 TC614 TC618 0260327 CD GZ16V100U 20 6 12 2 5 PCS 2 TC619 TC620 0260...

Page 42: ...4P 2 0mm PCS 1 XS903 7 DECODE BOARD MATERIAL CODE MATERIAL NAME SPECIFICATIONS UNIT UANTIT LOCATION 0090001 SMD RESISTOR 1 16W 0 5 0603 PCS 38 C2119 C2128 C2131 L210 L 215 R201 R204 R212 R226 R 228 R2...

Page 43: ...0V 331 5 NPO 0603 PCS 2 C212 C213 0310048 SMD CAPACITOR 50V 151 5 NPO 0603 PCS 2 C304 C306 0310084 SMD CAPACITOR 50V 104 80 20 0603 PCS 74 C207 C211 C214 C216 C217 C224 C226 C231 C234 C239 C241 C254 C...

Page 44: ...2 PCS 2 V301 V302 0880185 IC NJM4558M SOP PCS 3 U219 U220 U221 0880562 IC 4580 SOP PCS 3 U219 U220 U221 0880361 IC 4558 SOP PCS 3 U219 U220 U221 0881059 IC CS5333 SSOP PCS 1 U210 0880322 IC MM74HCU04M...

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