BBK BBK918S Service Manual Download Page 20 | Manualshive

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BBK BBK918S Service Manual Download Page 20

MT1336

PRELIMINARY, SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL, NO DISCLOSURE

48

IO6

49

IO7

50

IO8

51

IO9

52

IOA

53

IOB

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Summary of Contents for BBK918S

Page 1: ...POWER MIC 1 MIC 2 VOL ECHO OPEN CLOSE PLAY PAUSE STOP PREV NEXT SERVICE MANUAL BBK918S...

Page 2: ...EW 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 SIGNAL CONFIRMATION 9 7 MPEG BOAR...

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: ...button PAUSE POWER switch 6 MIC VOLUME knob 11 STOP button 2 Disc tray PREV button 12 7 ECHO adjustment knob POWER MIC 1 MIC 2 VOL ECHO OPEN CLOSE PLAY PAUSE STOP PREV NEXT 3 2 11 8 12 7 5 6 4 9 10 1...

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...

Page 6: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1...

Page 7: ...MIDDLE 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 A...

Page 8: ...t 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 scre...

Page 9: ...h 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...

Page 10: ...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 11: ...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...

Page 12: ......

Page 13: ...d by the access of internal register through bi directional serial port to configure modes selection FEATURES n RF equalizer with programmable c f from 3MHz to 70 MHz and programmable boost from 3dB t...

Page 14: ...P INPUT MUX REF and 2VREF Voltage Generator VGA EQ ENVELOP DETECTOR AGC CDA DVDB CDB DVDC CDC DVDD CDD DVDRFIN DVDRFIP TPI TNI RFOP SBAD TE RF LEVEL FE DVD APC MDI1 LDO1 CD APC VREFO SLCK SDEN SERIAL...

Page 15: ...IO7 IO8 IO9 FEO IOB SW2 IOA 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 32 33 34 35 37 38 14 25 36 IO0 AVDDF IO6 AGNDX AVDDM HALLCOS COSPHI REFCOS AGNDM HALLSIN UDGAT...

Page 16: ...DA Analog input AC coupled DVD RF signal input A 99 DVDB Analog Input AC coupled DVD RF signal input B 98 DVDC Analog Input AC coupled DVD RF signal input C 97 DVDD Analog Input AC coupled DVD RF sign...

Page 17: ...External current bias resistor R 20K 119 AGC1 Analog Wobble AGC loop1 capacitor 121 AGC2 Analog Wobble AGC loop2 capacitor 122 AGC3 Analog Wobble AGC loop3 capacitor 127 RFSUBO Analog output Header pu...

Page 18: ...output POWER 67 69 AVDD Power Master PLL Filter power 65 73 AGND GND GND for Master PLL Filter 64 AVDD Power DPD Power 62 AGND GND DPD GND 109 AVDD Power RF path Power 107 AGND GND RF path GND 114 SVD...

Page 19: ...ive input of amplifier for hall sensor signal 75 REFSIN Analog input Positive input of amplifier for hall sensor signal 76 SINPHI Analog output Amplifier output for hall sensor signal 71 HALLCOS Analo...

Page 20: ...MT1336 PRELIMINARY SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL NO DISCLOSURE 48 IO6 49 IO7 50 IO8 51 IO9 52 IOA 53 IOB...

Page 21: ...mode Provide a varipitch speed control for CLV and CAV mode Built in ADCs and DACs for digital servo control Provide 2 general PWM Tray control can be PWM output or digital output Built in DSP for di...

Page 22: ...oding MPEG 2 layer1 layer2 2 channel audio decoding Dolby Pro Logic decoding High Definition Compatible Digital HDCD decoding Up to 6 channel linear PCM output for DVD Audio DVD Video Downmix function...

Page 23: ...PLL and related analog circuitry 12 FOO Analog Output Focus servo output PDM output of focus servo compensator 13 TRO Analog Output Tracking servo output PDM output of tracking servo compensator 14 TR...

Page 24: ...digital circuitry 36 AD3 Inout 2 16MA SR Microcontroller address data 3 37 AD2 Inout 2 16MA SR Microcontroller address data 2 38 AD1 Inout 2 16MA SR Microcontroller address data 1 39 AD0 Inout 2 16MA...

Page 25: ...D3 Power 3 3V Power pin for audio clock circuitry 56 ALE Inout 2 16MA SR PU SMT Microcontroller address latch enable 57 IOOE Inout 2 16MA SR SMT Flash output enable active low IO 58 IOWR Inout 2 16MA...

Page 26: ...te strobe active low 76 URD Inout 2 16MA SR PU SMT Microcontroller read strobe active low 77 DVSS Ground Ground pin for internal digital circuitry 78 RD7 Inout DRAM data 7 79 RD6 Inout DRAM data 6 80...

Page 27: ...d pin for internal digital circuitry 103 CLK Output 2 16MA SR DRAM clock 104 CLE Output 2 16MA SR DRAM clock enable 105 RA11 Output 2 16MA SR DRAM address bit 11 or audio serial data 3 channel 7 8 106...

Page 28: ...3 125 DVSS Ground Ground pin for internal digital circuitry 126 RD31 Inout 2 16MA SR PU PD SMT DRAM data 31 127 RD30 Inout 2 16MA SR PU PD SMT DRAM data 30 128 RD29 Inout 2 16MA SR PU PD SMT DRAM data...

Page 29: ...rtA 1 147 RD16 Inout 2 16MA SR PU PD SMT DRAM data 16 Videoin Data PortA 0 148 ABCK Output 4MA Audio bit clock 149 ALRCK Inout 4MA PD SMT 1 Audio left right channel clock 2 Trap value in power on rese...

Page 30: ...Analog chroma output 165 DACVDDB Power 3 3V power pin for VIDEO DAC circuitry 166 YUV2 Y Output 4MA SR Video data output bit 2 167 DACVSSB Ground Ground pin for VIDEO DAC circuitry 168 YUV3 CVBS Outp...

Page 31: ...197 SLCK Output RF serial clock output 198 BDO Input Flag of defect data input status 199 ADCVSS Ground Ground pin for ADC circuitry 200 ADIN Analog Input General A D input 201 RFSUBI Analog Input RF...

Page 32: ...194 195 196 197 198 199 200 201 202 YUV4 G YUV6 R YUV7 RFRP_DC FEI RFLEVEL HRFZC PRST VFO13 DVDD3 DVSS IDGATE SDATA DVDD3 CSO PWM2VREF BDO UDGATE SDEN WOBSI SLCK TEI PWMVREF ADIN RFSUBI TEZISLV DVDD2...

Page 33: ...des interface between the input servo signals and the Servo DSP It has built in ADCs to digitize the servo control signal and DACs to provide signals for the actuator and sledge motor It also has a se...

Page 34: ...e Saturation adjustment and edge enhancement Reading and decoding SPU and OSD data from DRAM buffer Generating hardware cursor image Merging the video data SPU OSD and cursor Video Processor The Video...

Page 35: ...stream Audio Interface Audio interface consists of Audio Output Interface and Microphone Input Interface Audio Output Interface The MT1379 can support up to 8 channel audio outputs The output formats...

Page 36: ...DDA Analog Supply voltage 0 3 to 3 6 V VIN Input Voltage 0 3 to 5 5 V VOUT Output Voltage 0 3 to VDD3 0 3 V Ta Ambient Temperature 0 to 70 C DC Charateristics Symbol Parameters Min Typ Max Unit VIH In...

Page 37: ...eration to allow data to be read from or programmed into any sector not being erased n Sector Protection Any combination of sectors may be locked to prevent program or erase operations within those se...

Page 38: ...REGISTER DQ 15 0 A 18 0 A 1 VCC DETECTOR TIMER ERASE VOLTAGE GENERATOR AND SECTOR SWITCHES PROGRAM VOLTAGE GENERATOR ADDRESS LATCH X DECODER Y DECODER 8 Mb FLASH MEMORY ARRAY Y GATING DATA LATCH I O B...

Page 39: ...34 33 32 31 30 29 48 47 46 45 28 27 26 25 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 21 22 23 24 A11 A10 A9 A8 NC NC WE RESET NC NC RY BY A18 A17 A7 A6 A5 A15 A14 A13 A12 A4 A3 A2 A1 DQ7 DQ14...

Page 40: ...n i t i a t e d b y a s i n g l e c o n t r o l c o m m a n d B u r s t l e n g t h o f 1 2 4 8 o r f u l l p a g e a n d t h e b u r s t c o u n t sequence sequential or interleave A burst of read or...

Page 41: ...e f i n e t h e o p e r a t i o n Refer function truth table for details L D Q M U D Q M D a t a I n p u t O u t p u t M a s k D Q M c o n t r o l o u t p u t b u f f e r i n r e a d m o d e a n d m a...

Page 42: ...EY1 KEY2 KEY3 KEY4 GND SW4 SW3 SW2 MSW GND SEG12 SEG13 SEG14 SEG15 SEG16 VCC KEY4 KEY3 KEY2 KEY1 25V FIL FIL SEG1 SEG2 VFDST VFDCK VFDAT IR GND GND C405 1 0 4 R415 1 0 0 IR VCC R405 51K R401 33K R402...

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Page 44: ...50V TC506 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 6...

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Page 46: ...09 47uF 16V R602 22K R629 27K TC605 22uF 16V TC603 4 7uF 16V TC606 22uF 16V TC604 4 7uF 16V TC601 4 7uF 16V TC602 4 7uF 16V 9VA C619 102 R628 4 7K R620 10K R633 10R 0 25W TC615 100uF 25V C601 104 R632...

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Page 48: ...5 16 13 17 18 20 21 22 19 23 24 25 26 28 27 XS701 XS28 Y C TC702 220uF 16V TC703 220uF 16V TC704 220uF 16V L708 FBSMT L707 FBSMT TC706 220uF 16V TC705 220uF 16V Y C A B OUT 1 A A OUT 3 RETURN 5 BLUE I...

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Page 50: ...153 R307 33K MD11 LDO2 LDO1 R304 10K R303 10K R305 10K R306 10K TRCLOSE TROPEN ENDM STBY C322 104 C320 104 C321 104 TC305 47uF 16V C324 104 C327 104 C325 104 C326 104 RVCC RVCC C338 104 C339 104 2 3 4...

Page 51: ...D6 79 RD5 80 RD4 81 DVDD2 82 RD3 83 RD2 84 RD1 85 RD0 86 RWE 87 CAS 88 RAS 89 RCS 90 BA0 91 DVSS 92 RD15 93 RD14 94 RD13 95 RD12 96 DVDD3 97 RD11 98 RD10 99 RD9 100 RD8 101 DVSS 102 CLK 103 CLE 104 DM...

Page 52: ...VCC C2152 104 C2151 104 C2150 104 TC203 10uF 16V A5V VGND L243 0R L244 0R L245 0R L246 0R L247 0R L248 0R Q215 3906 S Q217 3906 S Q216 3906 S Q213 3906 S Q220 3906 S Q214 3906 S 5V GND VIDEO_U GND VID...

Page 53: ...1K R2115 100K R2116 100K Q210 2SC1815 YS Q209 2SC1815 YS C278 104 C279 104 C280 104 9V AGND C281 104 C282 104 C283 104 9V AGND SDATA2 SDATA1 SDATA0 SLRCK SACLK SBCLK SCL SDA RST LL RS RR LS LFE C R213...

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Page 55: ...2 R338 R342 13 SMD RESISTOR 1 16W 2K 5 1 R237 14 SMD RESISTOR 1 16W 4 7K 5 9 R222 R223 R2130 R2131 R2134 R2135 R2146 R2147 R285 15 SMD RESISTOR 1 16W 6 8K 5 3 R2136 R2148 R2154 16 SMD RESISTOR 1 16W...

Page 56: ...332 C335 C339 C3 41 C2113 C2137 C2146 C2150 C 2154 37 SMD CAPACITOR 16V 105 80 20 0603 4 C315 C318 38 SMD CAPACITOR 10V 225 80 20 0805 2 C226 C228 39 SMD CAPACITOR 50V 471 5 NPO 0603 1 C311 40 SMD CAP...

Page 57: ...C QFP 1 U301 67 IC MT1379EE C QFP 1 U201 68 IC BA5954FP HSOP 1 U302 69 CRYSTAL OSCILLATOR 27 00MHz 49 S 1 X201 70 CABLE SOCKET 14P 1 0mm STRAIGHT DUAL LINE PLUG 1 XS204 71 PCB 2965 0 1 72 SOCKET 5P 2...

Page 58: ...TC513 19 2 CD CD110 16V100U 20 6 12 2 5 3 TC508 TC511 TC513 19 3 CD CD11C 16V100U 20 15 6 7 2 5 3 TC508 TC511 TC513 19 4 CD CD11C 16V100U 20 6 7 2 5 3 TC508 TC511 TC513 20 CD CD11 25V470U 20 10 10 16...

Page 59: ...5 2 U501 U504 FOR HEAT RADIATION 52 GROUND CHIP OF POWER BOARD AB903 2 G501 G502 53 TAPPING SCREW BT 3 8 BLACK 2 FIXED HEAT RADIATION 3 MAIN FRONT PANEL MATERIAL SPECIFICATIONS PART NUMBER QUANTITY LO...

Page 60: ...6W15K 5 SHAPED 7 5 1 R614 6 CARBON FILM RESISTOR 1 6W30K 5 SHAPED 7 5 1 R613 7 ROTATED POTENTIOMETER R0901N BA1 B10K 1 VR601 8 ROTATED POTENTIOMETER R0901N BA1 B50K 1 VR602 9 CD CD11 16V4 7U 20 5 11...

Page 61: ...ARBON RESISTOR 1 4W33 5 1 R708 8 SMD RESISTOR 1 16W 2 2K 5 2 R710 R712 9 SMD RESISTOR 1 16W 4 7K 5 1 R704 10 SMD RESISTOR 1 16W 75 5 1 R705 11 SMD CAPACITOR 50V 102 10 0603 3 C701 C703 12 SMD CAPACITO...

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