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BBK ABS551T, Service Manual, Page: 2 / 48

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CONTENTS

1.       SAFETY PRECAUTIONS

1

2.       PREVENTION OF ELECTRO STATIC DISCHARGE(ESD)TO  ELECTROSTATICALLY 
          SENSITIVE(ES)DEVICES

1

4.       PREVERTION OF STATIC ELECTRICITY DISCHARGE

3

5.       ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT

4

5.1     OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST 

5

6.      ELECTRICAL CONFIRMATION

9

6.1     VIDEO OUTPUT (LUMINANCE SIGNAL) CONFIRMATION

9

6.2     VIDEO OUTPUT(CHROMINANCE SIGNAL) CONFIRMATION

10

7.      MPEG BOARD CHECK WAVEFORM

11

9.    SCHEMATIC & PCB WIRING DIAGRAM

 

 

23

10.    SPARE PARTS LIST

38

8.2     MT13

8

9

12

8.3     AM29LV160D

15

8.4     HY57V641620HG                 

 

20

3.       CONTROL BUTTON LOCATIONS AND EXPLANATIONS

2

5.2     MISCELLANEOUS

8

Summary of Contents for ABS551T

Page 1: ...SERVICE MANUAL ABS551T...

Page 2: ...CHANISM UNIT 4 5 1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST 5 6 ELECTRICAL CONFIRMATION 9 6 1 VIDEO OUTPUT LUMINANCE SIGNAL CONFIRMATION 9 6 2 VIDEO OUTPUT CHROMINANCE SIGNAL CONFIRMATION 10 7...

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: ...Button POWER button 1 Component video Y Pb Pr out terminal 5 2 Video out terminal 3 4 Optical out terminal for digital audio 7 External audio in terminal 1 6 S video Rear panel illustration Coaxial ou...

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 Assembling and disassembling the mechanism unit 4...

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

Page 8: ......

Page 9: ......

Page 10: ...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 con...

Page 11: ...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 12: ...e 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 Mod...

Page 13: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC TEA1523 PIN 8 WAVEFORM DIAGRAM 11...

Page 14: ...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 15: ...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 16: ...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 17: ...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 time...

Page 18: ...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 19: ...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 20: ...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 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 optio...

Page 22: ...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 23: ...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 24: ...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 25: ...455E C402 151 C406 151 V33 KX0 23 KX1 24 KX2 1 KX3 2 KX4 3 KX5 4 KX6 5 KX6 6 OSC1 11 OSC0 10 VDD 8 REM 7 KEY0 21 KEY1 20 KEY2 19 KEY3 18 KEY4 17 KEY5 16 KEY6 15 KEY7 14 SEL 9 VSS 12 CSS 22 DREN 13 U4...

Page 26: ...FRONT SCHEMATIC DIAGRAM 24...

Page 27: ...ON2 YGND AGND CON3 5V 10V 2 3 4 1 5 6 8 9 10 7 JK901 XS10 CON1 CON2 Lt Rt YGND L906 FB L907 FB L905 FB L904 FB C912 47pF C910 47pF C911 47pF C909 47pF IR VSCK VSTB VSDA VSDA IR CON3 21V FL FL 5V 2 3 4...

Page 28: ...SUBSIDIARY OUTPUT BOARD 26...

Page 29: ...CC C715 20p C716 20p NC C717 104 TC709 ELECTRO1 AGND A B OUT 1 A A OUT 3 RETURN 5 BLUE I O 7 RETURN 9 GREEN I O 11 RETURN 13 RED I O 15 RETURN 17 V OUT 19 GND 21 A B IN 2 A COM 4 A A IN 6 FUNC SW 8 CO...

Page 30: ...OUTPUT BOARD SCHEMATIC DIAGRAM 28...

Page 31: ...4 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 DQ9 DQ10 DQ11 DQ12...

Page 32: ...VCC VGND VIDEO_COMP VCC VIDEO_Y1 VGND VD210 1N4148 VD211 1N4148 VD212 1N4148 VD213 1N4148 VD214 1N4148 VD215 1N4148 VD216 1N4148 VD217 1N4148 VD218 1N4148 VD219 1N4148 VD220 1N4148 VD221 1N4148 VCC VG...

Page 33: ...25 12K R225 12K C2128 33P C2130 33P TC253 10uF 16V TC254 10uF 16V AGND AGND TUNER R 8V 8V 5 6 7 4 8 U220B 4580 3 2 1 4 8 U220A 4580 L t R t REF REF REF REF AGND AGND AGND C2133 103 R2114 4 7K R2107 10...

Page 34: ...32 MIAN SCHEMATIC DIAGRAM...

Page 35: ...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 10u 16V R415 68K 1 4 5 9 10 3 2...

Page 36: ...34...

Page 37: ...35...

Page 38: ...36...

Page 39: ...37...

Page 40: ...DDB Drawn By VS1000K V01 LED 2 1 XS01 CON2 V01 LED 2 1 XS01 CON2 1 2 3 4 5 6 XS200 CON6 1 2 3 4 5 6 7 8 9 10 X200 DSW 35 R L MUTE LED GND GND 2 3 1 XP01 CON3 2 1 XP02 CON2 2 1 XP03 CON2 R601 1K R602...

Page 41: ...39...

Page 42: ...2 3630281 BATTERY HOLDER 1403G7 GBK4B PCS 1 U702 0881080 IC PCF8563T SO8 PCS 1 U701 0880185 IC NJM4558M SOP PCS 1 U703 0880562 IC 4580 SOP PCS 1 U703 880361 IC 4558 SOP PCS 1 U703 0780085 SMD TRIODE 8...

Page 43: ...0310033 SMD CAPACITOR 50V 103 10 X7R 0805 PCS 1 C905 0310202 SMD CAPACITOR 50V 223 10 X7R 0603 PCS 1 C903 0310207 SMD CAPACITOR 50V 104 20 X7R 0603 PCS 7 C901 C902 C908 C914 C917 0260075 CD CD11 50V10...

Page 44: ...STER FILM CAPACITOR CL21X 100V 104K C5 PCS 4 C405 C408 C409 C410 02604379 CD CD11 16V10U 20 5 11C5 PCS 5 TC400 TC401 TC402 TC403 TC404 2100319 TERYLENE CAPACITOR 100V 224 10 8mm PCS 2 C413 C414 026061...

Page 45: ...I0603 ML220C PCS 1 C321 0090272 SMD RESISTOR 1 16W1 5 0603 PCS 6 R304 R307 R321 R340 0090106 SMD RESISTOR 1 16W 4 7 5 0603 PCS 2 R2144 R2145 0090003 SMD RESISTOR 1 16W 10 5 0603 PCS 2 R301 R302 90005...

Page 46: ...20 TC201 TC202 TC207 TC217 TC225 TC232 TC233 TC236 TC240 TC241 TC250 TC251 TC253 TC256 TC265 TC218 TC219 TC222 02601819 CD CD11 16V220U 20 6 12 C5 PCS 5 TC209 TC235 TC239 TC301 TC245 02600029 CD CD11...

Page 47: ...129 SMD TRIODE 8550D 160 300 SOT 23 PCS 1 Q202 07800509 TRIODE S8050D PCS 2 V307 V308 07800499 TRIODE S8550D PCS 2 V306 V309 0780063 SMD TRIODE 9015C PCS 1 Q204 0780062 SMD TRIODE 9014C PCS 3 Q201 V31...

Page 48: ...P 1 0mm STRAIGHT DUAL LINE PLUG PCS 1 XS206 1940073 CABLE SOCKET 6 5P 1 25mm DUAL LINE HORIZONTAL RIGHT ANGLED PCS 1 XS205 1990027 3 IN 1 CARD HOLDER SD MS MMC 23P H 4 2 TOP PCS 1 JK203 1980048 MIC SO...

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