BBK ABS541T Service Manual Download | Manualshive

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Summary of Contents for ABS541T

Page 1: ...SERVICE MANUAL ABS541T...

Page 2: ...ECHANISM UNIT 4 5 1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST 4 6 ELECTRICAL CONFIRMATION 7 6 1 VIDEO OUTPUT LUMINANCE SIGNAL CONFIRMATION 7 6 2 VIDEO OUTPUT CHROMINANCE SIGNAL CONFIRMATION 8 7...

Page 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...

Page 4: ...NCTION button PLAY STOP button OPEN CLOSE button NEXT button PREV button Component video Y Pb Pr output terminal Video output terminal Optical output terminal of digital audio AUX IN 2 terminal S vide...

Page 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...

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Page 7: ...5 1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST...

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Page 10: ...h a soldering ironafter a circuit isconnected Keep the power source of the pick up protected from internal and external sources of electrical noise Refrain from operation and storage in atmospheres co...

Page 11: ...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...

Page 12: ...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...

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Page 14: ...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...

Page 15: ...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...

Page 16: ...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...

Page 17: ...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...

Page 18: ...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...

Page 19: ...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...

Page 20: ...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...

Page 21: ...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...

Page 22: ...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...

Page 23: ...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...

Page 24: ...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...

Page 25: ...22R LED 2 1 XS403 XS02 LED1 GND K1 K2 K3 K4 KX1 KX2 K5 KX1 KX2 K1 K2 K3 K4 2 3 4 1 5 6 7 8 9 XS401 XS09 R406 1K CON4 1 2 LED401 LED 1 2 LED402 LED R413 22R R414 22R A 1 B 2 C 3 5 4 XS202 EC11 2 KX2 K...

Page 26: ...22...

Page 27: ...K R716 47K C719 102 ZD701 5 1V 0 5W ZD702 5 1V 0 5W ZD703 5 1V 0 5W ZD704 5 1V 0 5W VGND 2 3 4 1 5 6 8 9 10 7 JK706 XS10 CON1 CON2 Lt Rt AGND L714 FB L715 FB L713 FB L706 FB C712 47pF C709 47pF C711 4...

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Page 29: ...9V33 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 R213 1K...

Page 30: ...A8 DMA9 DMA10 MA11 BA0 BA1 SDCLK SDCKE DCS DRAS DCAS DWE DQM0 DQM1 DQ0 DQ1 DQ2 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQ3 SD33 SD33 R231 33R R232 33R DMA11 BA1 C2164 104 AGND VGND DET O...

Page 31: ...UN_ON Q202 8550 Q203 8050 R295 100R TC239 220uF 16V VCC R286 1K R249 100K R271 100K TUNER L R220 12k R2185 12k R2225 12K R225 12K C2128 33P C2130 33P TC253 10uF 16V TC254 10uF 16V AGND AGND TUNER R 8V...

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Page 33: ...SW1 SWA06 SW1 SWA07 SW1 SWA08 SW1 K1 K2 K3 K4 KX1 KX2 KX1 KX2 K1 K2 K3 K4 2 3 4 1 5 6 7 XSA01 XS07 GND A K ZDA01 5 1V 1 2 CA01 47P ZDA02 5 1V CA02 47P ZDA03 5 1V CA03 47P ZDA04 5 1V CA04 47P ZDA05 5...

Page 34: ...E D C B 1 2 XT500 CON2 1 2 XT501 CON2 1 2 XT502 CON2 FL500 T2AL 250V C500 AC400V 10000pF 220 AC IN SWITCH OUT L501 JLB2081 C501 AC275V103...

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Page 36: ...D C B A Title Number Revision Size B Date 19 Nov 2005 Sheet of File D abs541t 1SW600 DDB Drawn By VS600 1 2 3 4 5 XS101 CON5 1 2 3 X101 ST 301 1 2 3 X102 ST 301 1 2 3 4 5 6 XS100 CON6 1 2 3 4 5 6 7 8...

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Page 38: ...0K R406 2 2K 1 3 12 13 8 7 2 4 15 5 10 6 11 9 14 N402 LM1876 V V 1 2 3 4 XT404 CON4 R413 30K R412 30K 3 2 1 8 4 N401A IC4558 9V 9V R414 30K TC402 10u 16V 5 6 7 N401B IC4558 R416 7 5K R417 68K TC403 10...

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Page 40: ...Nov 2005 Sheet of File D abs541t 6SW600 DDB Drawn By VD601 LED VD600 LED 1 2 3 X600 CON3 R600 560 R601 750 VD602 LED 1 2 3 X601 CON3 6SW600 1 1 2 3 XS01 CON3 1 3 2 VD01 LED ASW600 1 1 2 3 CON3 VD02 LE...

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Page 43: ...705 R733 R744 0090020 SMD RESISTOR 1 16W 5 1K 5 0603 PCS 1 R745 0090023 SMD RESISTOR 1 16W 10K 5 0603 PCS 3 R740 R741 R743 0090026 SMD RESISTOR 1 16W 22K 5 0603 PCS 2 R738 R749 0090025 SMD RESISTOR 1...

Page 44: ...5SW1000B 0 UL PCS 1 6 POWER INDICATOR LIGHT BOARD MATERIAL CODE MATERIAL NAME SPECIFICATIONS UNITUANTIT LOCATION 2121746 FLAT CABLE 3P500 2 5 2PLUG WITH L NEEDLE REVERSE PCS 1 XS600 2121733 FLAT CABL...

Page 45: ...9 0570003 DIODE 1N4001 PCS 1 VD237 0090014 SMD RESISTOR 1 16W 1K 5 0603 PCS 18 R213 R215 R2103 R2104 R211 7 R2120 R254 R2180 R2181 R 290 R251 R291 R294 R284 0090016 SMD RESISTOR 1 16W 1 5K 5 0603 PCS...

Page 46: ...C213 C2108 02603879 CD CD11C 16V10U 20 4 7 C5 PCS 12 TC240 TC241 TC236 TC265 T C233 TC225 TC201 TC202 TC 232 TC253 TC254 TC217 2606899 CD CD11C 16V22U 20 4 7 C5 PCS 2 TC208 TC247 2603889 CD CD11C 16V4...

Page 47: ...U212 881378 IC BA5954FP HSOP PCS 1 U302 08806989 IC HA178L05PA TO 92M PCS 1 U216 0880185 IC NJM4558M SOP PCS 2 U219 U220 0960226 CRYSTAL OSCILLATOR 4 332MHz 49 s PCS 1 X202 1632658 PCB 2600 2 PCS 1 4...

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