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SERVICE MANUAL

DV966S

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Summary of Contents for DV966S

Page 1: ...SERVICE MANUAL DV966S...

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: ...Front Panel Illustration POWER switch 2 Disc tray 4 PLAY PAUSE button 5 6 STOP button 7 IR SENSOR Display window 3 OPEN CLOSE button 3 2 4 7 6 5 2...

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: ...K VCC DATA CLOCK STB C407 102 LED401 RED LED K401 Open Close Seg2 C406 104 C409 121 DNS C410 121 DNS KEY2 C401 121 DNS C402 121 DNS C403 121 DNS C405 104 KEY2 KEY3 Seg1 Seg10 Seg10 STB CLOCK DATA GND...

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

Page 26: ...AV BBK 1 1 DV977K 9977K 0 1 0 K901 STANDBY 2 3 4 1 5 6 7 XS901 7P 2 0mm 2 3 4 1 XS902 4P 2 0mm 3 LED VCC KEY2 Seg2 R LED G LED B LED GND 2 1 XS903 2P 2 0mm JP901 0R VCC 2 3 4 1 LED901 4P 2 54mm GND V...

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

Page 28: ...303 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 U5...

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

Page 30: ...F 16V C620 104 NC R634 4 3K R631 3 9K TC618 47uF 16V C619 104 NC R632 3 9K R633 4 3K TC617 47uF 16V H_L R638 22R NC R637 22R NC OUT1 1 IN1 2 IN1 3 GND 4 VDD 8 OUT2 7 IN2 6 IN2 5 U603 TDA1308 R629 3 3K...

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

Page 32: ...VCC PDAT0 10V VGND VGND Pr 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...

Page 33: ...OUTPUT BOARD SCHEMATIC DIAGRAM 31...

Page 34: ...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 DQ0 DQ1...

Page 35: ...2 104 C2151 104 C2150 104 TC203 10uF 16V A5VV VGND R222 0R DNS XI Q204 9016 RAS 17 CS 18 CAS 16 CKE 34 A0 21 A1 22 A2 23 A3 24 A4 27 A5 28 A6 29 A7 30 A8 31 A9 32 A10 20 BA A11 19 CLK 35 DQ7 12 DQ6 11...

Page 36: ...2 104 C2143 104 9V AGND SDATA2 SDATA1 SDATA0 SLRCK SACLK SBCLK SCL SDA RESET LL RS RR LS LFE C R2132 20K C2116 102 OKA AGND R2156 20K R2136 6 8K R2148 6 8K R2152 6 8K R2153 6 8K R2154 6 8K R2155 6 8K...

Page 37: ...MIAN SCHEMATIC DIAGRAM 35...

Page 38: ...21 10 10mm PCS 2 BC503 BC505 0200267 CERAMIC CAPACITOR CT81 250VAC221 20 10mm PCS 2 BC503 BC505 0200223 PORCELAIN CAPACITOR 1000V 101 80 20 7 5mm PCS 1 C503 0200228 PORCELAIN CAPACITOR 1000V 101 10 7...

Page 39: ...12 5 6 8 5 DOUBLE FACED HARD PCS 2 UNDERLAY 2PCS BETWEEN LED SCREEN AND FRONT PANEL PCB 0882317 IC DJ3053 1 TSOP PCS 1 U403 2360016 IR SENSOR HS0038B3V PCS 1 U402 5232929 SOFT SPONGE SPACER 8 8 11 DO...

Page 40: ...04 80 20 0603 PCS 1 C710 0390095 SMD MAGNETIC BEADS FCM1608K 221T05 PCS 8 L701 L704 L706 L708 L715 L716 0310085 SMD CAPACITOR 50V 20P 5 NPO 0603 PCS 1 C713 0090019 SMD RESISTOR 1 16W 4 7K 5 0603 PCS 1...

Page 41: ...3K 5 0603 PCS 2 R633 R634 0090020 SMD RESISTOR 1 16W 5 1K 5 0603 PCS 3 R602 R613 R623 0090023 SMD RESISTOR 1 16W 10K 5 0603 PCS 4 R606 R610 R635 R636 0090026 SMD RESISTOR 1 16W 22K 5 0603 PCS 1 R603...

Page 42: ...R222 R251 R255 R257 R258 R282 R298 R2 99 R303 R318 R331 R215 9 R297 R268 R279 R2160 0090006 SMD RESISTOR 1 16W 75 5 0603 PCS 7 R233 R261 R270 R273 R2 74 R276 R280 0000375 CARBON FILM RESISTOR 1 4W2 2...

Page 43: ...0028 CD CD11 16V220U 20 6 12 2 5 PCS 8 TC207 TC209 TC211 TC213 TC235 TC245 T C301 0260025 CD CD11 16V47U 20 5 11 2 PCS 14 TC204 TC206 TC210 TC234 TC237 TC302 TC304 TC308 TC309 T C247 TC248 TC246 02600...

Page 44: ...0 2012 PCS 2 L303 L306 0390096 SMD INDUCTOR 1 8UH 10 1608 PCS 6 L243 L248 0390057 MAGNETIC BEADS INDUCT RH354708 PCS 11 L205 L209 L217 L220 L221 L222 L223 L227 L228 L226 L302 0390095 SMD MAGNETIC BEAD...

Page 45: ...PCS 1 U202 0882257 IC MT1389FE C C VERSION QFP PCS 1 U201 0881378 IC BA5954FP HSOP PCS 1 U302 0881059 IC CS5333 SSOP PCS 1 U210 0960020 CRYSTAL OSCILLATOR 27 00MHz 49 S PCS 1 X201 1940140 CABLE SOCKET...

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