BBK bbk940S Service Manual Download Page 1

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TUNED

ST.

MEM

ALL FM

SERVICE MANUAL

bbk940S

Downloaded From TheatreSystem-Manual.com Manuals

Summary of Contents for bbk940S

Page 1: ...TUNED ST 3D MEM AM ALL FM SERVICE MANUAL bbk940S Downloaded From TheatreSystem Manual com Manuals...

Page 2: ...VIEW AND PART LIST 7 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 8 IC BLOCK DIAGRAM...

Page 3: ...5 VOLUME knob DVD MODE PREV button TUNER MODE TUNING button 10 15 ECHO adjustment knob POWER switch 6 PLAY button DVD MODE NEXT button TUNER MODE TUNING button 11 8 FUNCTION button 13 MIC 2 jack 3 OP...

Page 4: ...on 23 MUTE button 27 PREVIOUS NEXT button PRESET button 26 Play from the desired point Camera angles switch MP3 JPEG playback modes switch DISC RADIO AUX IN switch GOTO button 36 ANGLE button 37 Open...

Page 5: ...5 1 Optical pickup Unit Explosed View and Part List Pic 1 Downloaded From TheatreSystem Manual com Manuals...

Page 6: ...0 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 ASSY PWB 1 Or 1EA0B10B2020...

Page 7: ...wheel 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 12 screw 25 tray 13 Big...

Page 8: ...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 containing corrosive gase...

Page 9: ...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 PLAY Title...

Page 10: ...ate 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 M...

Page 11: ...Downloaded From TheatreSystem Manual com Manuals...

Page 12: ...al 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 to 13dB n MT1336 supports...

Page 13: ...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 PORT DPFN DPFO IR DPDMUTE...

Page 14: ...OA 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 UDGATE HDGATE 39 40 41 42 43 4...

Page 15: ...ed 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 signal input D 95 DVDRFIN An...

Page 16: ...sistor 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 push pull RF output signal...

Page 17: ...ower 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 SVDD Power Servo Power 117 S...

Page 18: ...r 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 Analog input Negative input of...

Page 19: ...MT1336 PRELIMINARY SUBJ ECT TO CHANGE WITHOUT NOTICE MTK CONFIDENTIAL NO DISCLOSURE 48 IO6 49 IO7 50 IO8 51 IO9 52 IOA 53 IOB Downloaded From TheatreSystem Manual com Manuals...

Page 20: ...utput or digital output Built in DSP for digital servo control n Host Micro controller Built in 8032 micro controller Built in internal 373 and 8 bit programmable lower address port 256 bytes on chip...

Page 21: ...ied in the DVD Audio Specification and other slide show transition effects n Audio Processing Decoder format supports Dolby Digital AC 3 decoding DTS decoding MLP decoding for DVD Audio MPEG 1 layer 1...

Page 22: ...controller This is PWM output for TRWMEN27hRW2 1 or is digital output for TRWMEN27hRW2 0 15 PWMOUT2 Analog Output The general PWM output 16 DVDD2 Power 2 5V power 17 DMO Analog Output Disk motor contr...

Page 23: ...Ground 59 UP1_2 Inout Pull Up Microcontroller port 1 2 60 UP1_3 Inout Pull Up Microcontroller port 1 3 61 UP1_4 Inout Pull Up Microcontroller port 1 4 62 UP1_5 Inout Pull Up Microcontroller port 1 5...

Page 24: ...ter 104 VPVSS Ground Ground for varipitch VCO circuitry 105 DVSS Ground Ground 106 CLK Output DRAM clock 107 CLE Output DRAM clock enable 108 RA11 Output DRAM address bit 11 or audio serial data 3 cha...

Page 25: ...3 3V power 152 ASDATA0 Inout Pull Down Audio serial data 0 left right channel 153 ASDATA1 Inout Pull Down Audio serial data 1 surround left surround right channel 154 ASDATA2 Inout Pull Down Audio se...

Page 26: ...ADC circuitry 191 ADIN Analog Input General A D input 192 RFSUBI Analog Input RF subtraction signal input terminal 193 TEZISLV Analog Input Tracking error zero crossing low pass input 194 TEI Analog...

Page 27: ...82 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 YUV5 YUV6 YUV7 RFRPSLV RFRP_DC FEI RFLEVEL HRFZC ADCVDD3 PRST VFO13 DVDD3 DVSS IDGATE SDATA DVDD3 CSO PWMVREF BDO UDG...

Page 28: ...s such as tracking seeking and MT1336 chip register programming As for the servo I O circuits it provides interface between the input servo signals and the Servo DSP It has built in ADCs to digitize t...

Page 29: ...block and write back to picture buffer The video decode engine can also support JPEG and BMP file decoding by common image compression hardware kernels Video Output The Video Output unit containsVideo...

Page 30: ...ut Unit The cursor image is a 32x32 4 color bitmap image each colors are programmable Cursor can be enlarged by 2 in both vertical and horizontal directions Cursor image is multiplexed with video SPU...

Page 31: ...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 sectors n Temporary Sector...

Page 32: ...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 BUFFERS I O CONTROL RESET...

Page 33: ...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 DQ6 DQ13 DQ5 DQ12 DQ4 V...

Page 34: ...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 write cycles in progres...

Page 35: ...d to minimize PCB area and component count The LX1721 1722 is available in a space saving 44 pin QSOP package Continued Next Page IMPORTANT For the most current data consult MICROSEMI s website http w...

Page 36: ...he stereo output controller is available in either an LX1722 high power version 65Wrms 4 with a supply voltage range of 7V 25V or an LX1721 high fidelity version better SNR performance with a supply v...

Page 37: ...PFET on Negative Half of Bridge RIN Right Positive Audio Input RP Right Drive for PFET on Positive Half of Bridge RIN Right Negative Audio Input RN Right Drive for NFET on Positive Half of Bridge RAMP...

Page 38: ...LFAOUT LFBK LFBK VDD LISN CLOCK RPWM CPWM LEAOUT LEAIN LAMPOUT LIN LIN LMUTE UVLO REFERENCE OUTPUT DRIVERS LOGIC FAULT TIMER 5V Reference 26 4 1 10 CLK OSC SYNC 220mV PVDD MUX MUTE MUTE 7 14 13 9 11 8...

Page 39: ...rce Voltage VGS 20 20 V Continuous Drain Current TJ 150 C a TA 25 C ID 6 6 A Continuous Drain Current TJ 150 C a TA 70 C ID 4 7 4 7 A Pulsed Drain Current IDM 30 30 A Continuous Source Current Diode C...

Page 40: ...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 s k i n p u t d a t a i...

Page 41: ...d e R e g i s t e r S e l f R e f r e s h C o u n t e r C o l u m n D e c o d e r S e n s e A M P I O g a t e s 5 1 2 K x 1 6 B a n k 0 C o l u m n D e c o d e r S e n s e A M P I O g a t e s 5 1 2 K...

Page 42: ...K 2 8 9 n s P a r a m e t e r S y m b o l R a t i n g Unit A m b i e n t T e m p e r a t u r e TA 4 0 8 5 C S t o r a g e T e m p e r a t u r e TS T G 5 5 1 2 5 C V o l t a g e o n A n y P i n r e l a...

Page 43: ...KEY4 13 VDD 14 SEG1 15 SEG2 16 SEG3 17 SEG4 18 SEG5 19 SEG6 20 SEG7 21 SEG8 22 SEG9 23 SEG10 24 SEG11 25 SEG12 26 G6 39 G7 38 G8 37 SEG20 36 SEG19 35 VEE 34 VDD 33 SEG18 32 SEG17 31 SEG16 30 SEG15 29...

Page 44: ...K907 K903 K901 K902 KEY3 KEY2 KEY1 SEG33 SEG22 K905 K906 2 3 4 1 5 6 XS901 XS06 GND Downloaded From TheatreSystem Manual com Manuals...

Page 45: ...uF 16V TC212 220uF 16V TC214 220uF 16V TC216 220uF 16V VGND R256 330R C2144 104 R2103 68R AGND VIN 1 VCC 2 GND 3 JK204 OPTICAL A5V RED WH ITE BLACK FLIN FRIN 18 17 16 19 20 21 JK201 V OUT3 R257 91R VI...

Page 46: ...24B 5R1 1 2 RB25B 5R1 1 2 RB26B 5R1 1 2 RB27B 5R1 1 2 RB29B 5R1 1 2 RB30B 5R1 1 2 RB20B 0 030 1W 16V 1 2 RB21B 0 030 1W 16V 1 2 CB35B 1U 1 2 CB36B 1U 1 2 CB37B 0 47U 1 2 CB24B 100NF 1 2 CB23B 100NF 1...

Page 47: ...RB26A 5R1 1 2 RB27A 5R1 1 2 RB29A 5R1 1 2 RB30A 5R1 1 2 RB20A 0 030 1W 16V 1 2 RB21A 0 030 1W 16V 1 2 CB35A 0 68U 1 2 CB36A 0 68U 1 2 CB37A 0 47U 1 2 CB24A 100NF 1 2 CB23A 100NF 1 2 RB48A 15R 1W 1 1...

Page 48: ...0 68U 1 2 CB37 0 47U 1 2 CB24 100NF 1 2 CB23 100NF 1 2 RB48 15R 1W 1 1 2 2 LB01 15UH 1 1 2 2 LB02 15UH 1 2 RB11 1 21K 1 2 RB17 1 21K 1 2 CB16 4700P 1 2 CB17 4700PF SB1FBK SB1FBK LS LS 1 2 CB39 0 68U 1...

Page 49: ...4 8 U202A 4580 5 6 7 4 8 U202B 4580 AGND AGND 9V 9V TC203 10uF 1 6V TC204 10uF 1 6V AGND C2283 102 C2282 102 R280 470 R277 470 R279 1K R278 1K R274 100K R275 100K Q 2 05 2SC1815 Y Q 2 06 2SC1815 Y SE...

Page 50: ...16 17 18 XS206 XS18 SR_OUT AGND SERR AMPSLEEP AMPMUTE MUTE 1 AGND AGND R269 4 7K R268 4 7K C2115 102 C2281 101 R265 22K R262 22K C2277 101 C2276 102 R260 4 7K R261 4 7K 9V 9V 3 2 1 4 8 U201A 4580 5 6...

Page 51: ...TC508 100uF 16V A5V D510 HER303 ZD501 5 1V D506 HER105 D509 SR303 D511 HER105 D512 HER105 3 3V 2 3 4 6 7 10 11 9 12 13 14 15 16 T501 EI28 8 TC513 100uF 16V D501 1N5401 D503 1N5401 D502 1N5401 D504 1N...

Page 52: ...6 7 8 9 MIC602 TC610 4 7u 16V TC613 4 7uF 16V L601 FB L602 FB 12VA R611 1K DET R634 4 7K VCC 1 2 3 4 5 6 XS601 HEADER 6 DET OK GND 12V 12V VCC 1 3 2 VR603 50K C618 392 R617 10K R616 15K C610 471 C612...

Page 53: ...23 104 C319 0 015u R307 33K MD11 LDO2 LDO1 R304 10K R303 10K R305 10K R306 10K TRCLOSE TROPEN ENDM STBY C322 104 C320 104 C321 104 TC305 47u C324 104 C327 104 C325 104 C326 104 RVCC RVCC C338 104 C339...

Page 54: ...IN_L6 99 NC 100 U223 PT2320 IN_L5 IN_R5 IN_CT IN_SUB IN_ST IN_SR C2142 2200PF C2260 0 01UF C2234 0 01UF C2235 0 1UF C2236 0 1UF R2216 33K R2217 62K FL_OUT FR_OUT CT_OUT SUB_OUT SL_OUT SR_OUT 9VA 9VD...

Page 55: ...12k TC256 10uF TC257 10uF TC258 10uF TC259 10uF TC260 10uF TC261 10uF 1 2 3 4 5 6 XS204 HEADER 6 VOICE DET OKA GND 9V 9V VCC L349 0805 L340 0805 FL_OUT AGND CT_OUT SUB_OUT SL_OUT AGND FR_OUT AGND AGN...

Page 56: ...08 2SC1815 Y Q 2 07 2SC1815 Y Q 2 05 2SC1815 Y Q 2 06 2SC1815 Y AGND C2109 102 C2107 102 R2127 1K R2125 470 R2128 470 R2126 1K R2115 100K R2116 100K Q 2 10 2SC1815 Y Q 2 09 2SC1815 Y C278 104 C279 10...

Page 57: ...C 11 CVBS 44 Y 48 C 47 RED 39 GREEN 40 BLUE 43 ISET 37 GNDA 45 GNDA 42 GNDA 35 GNDA 18 U206 CS4955 27MHZ RST YUV0 YUV1 YUV2 YUV3 YUV4 YUV5 YUV6 YUV7 YUV 0 7 VGND VGND VVCC C298 104 VVCC R259 10R R260...

Page 58: ...10K ASPDIF VSYNC HSYNC Y0 Y2 Y3 Y4 Y5 Y6 Y7 Y1 URST SDATA SDEN SCLK BDO V1P4 V2P8 ADIN TEO CSO R217 100K R21618K C231 0 1u C230 0 1u TC205 47u C233 1000P C234 150P C235 150P C236 20P C237 20P C238 100...

Page 59: ...TC275 47U TC277 4 7U 1 6V TC276 220U 1 6V Q 2 21 3906 Q 2 22 3904 A K VD216 5V X204 4 332MHZ C2249 0 1U C2250 0 1U R2308 4 7K RDS_MPX TUNER_ON RDSSYNC DAVNIN SDA SCL RDSCE TUNER L TUNER R R2311 220 RD...

Page 60: ...1K 5 17 R266 R267 R2101 R2102 R2105 R2 106 R2118 R2119 R2122 R2123 R21 26 R2127 R2306 R2160 R2158 R256 R257 15 SMD RESISTOR 1 16W 1 5K 5 2 R338 R342 16 SMD RESISTOR 1 16W 2 2K 5 1 R208 17 SMD RESISTO...

Page 61: ...R 50V 27P 5 NPO 0603 4 C310 C222 C223 C333 42 SMD CAPACITOR 50V 33P 5 NPO 0603 2 C2233 C2255 43 SMD CAPACITOR 50V 47P 5 NPO 0603 15 C243 C244 C2125 C254 C256 C257 C259 C260 C262 C263 C265 C266 C268 C2...

Page 62: ...08 L 310 L312 L314 L316 L324 L254 L 340 L349 L252 L253 L345 L346 SMD MAGNETIC BEADS FCM2012V 221T07 1 L207 63 MAGNETIC BEADS INDUCTOR RH354708 7 L204 L205 L209 L241 L242 L249 L 250 64 SMD DIODE 1N4148...

Page 63: ...SISTOR 1 4W330 5 SHAPED 10 2 R514 R519 4 METAL OXIDE FILM RESISTOR 2W390 5 SHAPED 15 7 1 R511 5 CARBON FILM RESISTOR 1 4W4 7K 5 SHAPED 10 1 R510 6 CARBON FILM RESISTOR 1 4W1M 5 SHAPED 10 1 R504 7 META...

Page 64: ...8 14 3 5 4 TC505 TC506 TC509 TC510 23 2 CD GS 10V1000U 20 8 16 3 5 4 TC505 TC506 TC509 TC510 23 3 CD GS 10V1000U 20 8 14 3 5 4 TC505 TC506 TC509 TC510 24 CD CD110 50V1U 20 5 11 2 1 TC514 25 CD LS 400V...

Page 65: ...ION 54 TAPPING SCREW BT 3 8 BLACK 2 FOR RADIATOR U501 U504 55 TAPPING SCREW BT 3 10 WHITE NICKEL 2 FOR RADIATOR U505 D516 56 METAL POLYESTER FILM CAPACITOR CL21X 63V 684 5 7 5 24 CB15 CB53 CB55 CB15A...

Page 66: ...10W 10K 5 12 RB01 RB01A RB01B RB03 RB03A RB03B RB31 RB32 RB33 RB34 RB 35 RB36 84 SMD RESISTOR 1 10W 22K 5 6 RB08 RB08A RB08B RB10 RB10A RB10B 85 PRECISION SMD RESISTOR 1 10W 34 8K 1 1 RB50A 86 SMD RES...

Page 67: ...STOR 1 16W 330 5 5 R256 R271 R273 R276 R2260 114 SMD CAPACITOR 50V 103 10 0603 1 C2244 115 SMD CAPACITOR 50V 20P 5 NPO 0603 6 C272 C277 116 SMD CAPACITOR 50V 33P 5 NPO 0603 3 C2160 C2165 C2166 117 SMD...

Page 68: ...C620 C619 C605 C606 C622 C623 17 PORCELAIN CAPACITOR 50V 561 10 5mm 1 C616 18 PORCELAIN CAPACITOR 50V 471 5 5mm 1 C610 19 PORCELAIN CAPACITOR 50V 562 10 5mm 1 C611 20 PORCELAIN CAPACITOR 50V 102 10 5m...

Page 69: ...7 CARBON FILM RESISTOR 1 4W10K 5 7 R408 R410 R416 R417 R422 R423 7 1 CARBON FILM RESISTOR 1 4W10K 5 SHAPED 10 7 R408 R410 R416 R417 R422 R423 8 CARBON FILM RESISTOR 1 4W33K 5 8 R401 R404 R411 R414 8...

Page 70: ...IFICATIONS PART NUMBER QUANTITY LOCATION 1 PCB 9937 0 1 2 FLAT CABLE 6P 40mm 2 0mm 1 MAIN FRONT PANEL AND SUBSIDIARY MAIN FRONT PANEL 3 LIGHT TOUCH RESTORE SWITCH HORIZONTAL 6 6 1 6 K901 K903 K905 K90...

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