BBK DV964S Скачать руководство пользователя страница 11 | Manualshive

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Do the confirmation after replacing P.C.B.

Purpose:To maintain video signal output compatibility.

1.Connect the oscilloscope to the video output 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-S01

DVDT-S15

or

DVDT-S01

Mode

Disc

Measuring equipment,tools

Confirmation value

Screwdriver,Oscilloscope

200mV/dir,10 sec/dir

621mVp-p±30mV

6.2 Video Output(Chrominance Signal) Confirmation

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Содержание DV964S

Страница 1: ...SERVICE MANUAL DV964S POWER REW...

Страница 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...

Страница 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...

Страница 4: ...5 13 12 10 11 POWER REW PLAY button MIC 1 jack 5 10 Disc tray STOP button MIC VOLUME 1 knob 2 7 12 FWD button Display window 4 OPEN CLOSE button 9 14 REW button IR SENSOR 3 MIC VOLUME 2 knob 8 13 POWE...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 12: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC5L0380R PIN 2 WAVEFORM DIAGRAM 10...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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 optio...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 24: ...SEG6 KS6 16 SEG7 KS7 17 SEG8 KS8 18 SEG9 KS9 19 SEG10 KS10 20 SEG11 21 SEG12 GR7 22 VDD 25 GND 26 GR5 24 GR4 27 GR3 28 GND 29 GR2 30 GR1 31 GND 32 U401 PT6961 LEDAT LEDCK LEDST KEY1 KEY2 KEY3 S1 S2 S3...

Страница 25: ...FRONT SCHEMATIC DIAGRAM 23...

Страница 26: ...506 1000uF 10V TC505 1000uF 10V TC509 1000uF 10V TC510 1000uF 10V 2 3 4 1 5 CN501 XS05 D508 HER105 C507 101 TC503 470uF 16V R511 220R 1W FB 4 GND 1 D 2 VCC 3 U501 5L0380R R507 1K R504 1M R501 680K 2W...

Страница 27: ...POWER BOARD SCHEMATIC DIAGRAM 25...

Страница 28: ...K R608 1K C608 102 R602 22K TC605 22uF 16V TC603 4 7uF 16V TC606 22uF 16V TC604 4 7uF 16V TC601 4 7uF TC602 4 7u 9VA R617 100K R621 10ohm1 6W TC615 47uF 16V C601 104 R622 10ohm1 6W TC616 47uF 16V C602...

Страница 29: ...OK SCHEMATIC DIAGRAM 27...

Страница 30: ...GND 21 A B IN 2 A COM 4 A A IN 6 FUNC SW 8 CONT 10 NC 12 RETURN 14 BLK I O 16 TRTURN 18 V IN 20 JK706 VJS3921 R704 4 7K R705 75R V701 8050 V702 8050 R708 33R R709 330R R710 2 2K 10V A 10V AGND PDAT0 V...

Страница 31: ...OUTPUT BOARD SCHEMATIC DIAGRAM 27...

Страница 32: ...SO TRSO FOSO V1P4 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...

Страница 33: ...25 A3 26 A4 29 A5 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 DQ...

Страница 34: ...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...

Страница 35: ...MIAN SCHEMATIC DIAGRAM 31...

Страница 36: ...RESISTOR 1 16W 4 7K 5 16 R238 R240 R2130 R2131 R2134 R2135 R2138 R2140 R2142 R21 43 R2146 R2147 R2150 R2151 17 SMD RESISTOR 1 16W 6 8K 5 6 R2136 R2148 R2152 R2155 18 SMD RESISTOR 1 16W 10K 5 12 R208 R...

Страница 37: ...C286 40 SMD CAPACITOR 50V 102 10 0603 9 C2112 C2115 C288 C2118 C2 121 C2124 C2127 C223 C278 41 SMD CAPACITOR 50V 122 10 0603 6 C2122 C2129 C2130 C2133 C 2135 C2136 42 SMD CAPACITOR 50V 152 10 0603 1...

Страница 38: ...ED 10 1 R506 3 METAL OXIDE FILM RESISTO 1W330 5 SHAPED R 15 8 1 R511 4 CARBON FILM RESISTOR 1 4W10K 5 SHAPED 10 1 R507 5 CARBON FILM RESISTOR 1 4W1M 5 SHAPED 10 1 R504 6 METAL FILM RESISTOR 1 4W4 7K 1...

Страница 39: ...1 CN504 42 SOCKET 2P 8 0mm 2 2 BCN501 BCN502 43 CONNECTION CORDS 0 6 SHAPED 7 5mm 2 J506 J503 44 CONNECTION CORDS 0 6 SHAPED 10mm 4 L502 J501 J505 45 CONNECTION CORDS 0 6 SHAPED 12 5mm 2 J507 J502 46...

Страница 40: ...LAT CABLE 6P80 2 5 2 SOCKET WITH NEEDLE 1 XS601 25 MICROPHONE SOCKET CK3 6 35 106 2 MIC601 MIC602 26 CONNECTION CORDS 0 6 SHAPED 7 5mm 3 JP601 JP602 JP603 4 OUTPUT BOARD MATERIAL SPECIFICATIONS PART N...

Страница 41: ...MATERIAL SPECIFICATIONS PART NUMBER QUANTITY LOCATION 1 SOFT SPONGE 10 10 6 DOUBLE FACED HARD 1 FOR IR SENSOR 2 CARBON FILM RESISTOR 1 4W100 5 1 R411 3 CARBON FILM RESISTOR 1 4W51K 5 1 R401 4 LIGHT T...

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