BBK 9903S Service Manual Download Page 10

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.1. Video Output (Luminance Signal) Confirmation

DO this confirmation after replacing a P.C.B.

Purpose:To maintain video signal output compatibility.

1.Connect 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(Title 46):DVDT-S15

PLAY(Title 12):DVDT-S01

DVDT-S15

DVDT-S01

Mode

Disc

Measuring equipment,tools

200mV/dir,10 sec/dir

1000mVp-p±30mV

Confirmation value

Summary of Contents for 9903S

Page 1: ...SERVICE MANUAL bbk9903S...

Page 2: ...OSED 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 SIGNAL CONFIRMATION 9 7 MP...

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: ...3...

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: ...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 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...tal control inputs A B and C and an inhibit input Each control input selects one of a pair of channels which are connected in a single pole double throw configuration When these devices are used as de...

Page 46: ...IN 0 3 A B 2 Y CHANNELS IN OUT Y CHANNELS IN OUT X CHANNELS IN OUT X CHANNELS IN OUT 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 by bx cy OUT IN CX OR CY IN OUT CX INH VSS VEE VDD OUT IN ax OR ay ay ax A B...

Page 47: ...10 A B INH VSS VEE VDD TG TG TG TG TG TG TG TG 4 2 5 1 LOGIC LEVEL CONVERSION 11 10 9 6 A B C INH 12 3 5 1 2 13 TG TG TG TG TG TG 4 COMMON OUT IN ax ay bx by cx cy 8 7 VSS VEE 16 VDD IN OUT 15 14 BINA...

Page 48: ...0 0 1 1 0 0 1 0 2 0 0 1 1 3 0 1 0 0 4 0 1 0 1 5 0 1 1 0 6 0 1 1 1 7 1 X X X None CD4052B INHIBIT B A 0 0 0 0x 0y 0 0 1 1x 1y 0 1 0 2x 2y 0 1 1 3x 3y 1 X X None CD4053B INHIBIT A OR B OR C 0 0 ax or b...

Page 49: ...429 0R R431 10K TC414 100UF 10V C422 104 D417 D418 TC416 22uF 16V CPU 3 3V SW1 1 SW2 2 SW3 3 SW4 4 DO 5 DI 6 IC 7 CLK 8 STB 9 KEY1 10 KEY2 11 KEY3 12 KEY4 13 VDD 14 SEG1 15 SEG2 16 SEG3 17 SEG4 18 SEG...

Page 50: ......

Page 51: ...uF 16V SA 5V D510 HER303 ZD501 5 1V D506 1N4148 D509 SR303 D511 HER105 D512 HER105 TC513 100uF 16V D503 1N4007 D502 1N4007 D504 1N4007 D501 1N4007 C508 104 C510 104 9V 5V ZD502 9 1V 1W 2 3 4 6 7 10 11...

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Page 53: ...7 R621 TC615 C601 R622 TC616 C602 9V 9VA 9V 9VA OK 5 4 3 2 1 7 6 MIC602 TC613 L602 TC611 9VA R615 R616 R619 VD601 VD602 VD603 DET 5V 9VA 3 2 1 VR601 MIC2 OUT2 SW GND K601 6x6x1 C624 FL FL 21V GND 9V 9...

Page 54: ......

Page 55: ...1 12 14 15 16 13 17 18 20 21 22 19 23 24 25 26 28 27 29 30 XS701 XS30 TR TL TR TL C717 104 C718 104 CC AGND AGND VGND LFE CC SR SL R L VIEDO Pb Y1 Pr PDAT1 PDAT2 VCC SPDIF LFE SL SR L R RED WHITE L701...

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Page 57: ...K TRCLOSE TROPEN ENDM STBY C322 104 C320 104 C321 104 TC305 47u C324 104 C327 104 C325 104 C326 104 VC33 VC33 C338 104 C339 104 2 3 4 1 5 6 8 9 10 7 11 12 14 15 16 13 17 18 20 21 22 19 23 24 XS301 0 5...

Page 58: ...5 AD3 36 AD4 34 AD2 37 AD1 38 AD0 39 IOA0 40 IOA1 41 DVDD2 42 IOA2 43 IOA3 44 IOA4 45 IOA5 46 IOA6 47 IOA7 48 A16 49 A17 50 IOA18 51 IOA19 52 RA11 105 RA9 106 RA8 107 DMVDD3 108 HRFZC 209 PWMVREF 210...

Page 59: ...10 11 U205E HCU04 VCC L243 0R L244 0R L245 0R L246 0R L247 0R L248 0R Q2 15 3906 S Q2 17 3906 S Q 2 16 3906 S Q 2 13 3906 S Q 2 20 3906 S Q2 14 3906 S C2153 104 TC211 220uF 16V C2154 104 TC212 220uF...

Page 60: ...K 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 RS LS LFE C R2132 20K DNS C2116 102 OKA AGND...

Page 61: ...16V TC209 10UF 16V C2159 101 C2145 CAP C2146 CAP C2147 CAP C2148 CAP C2142 102 C2158 101 C2143 102 9V 9V Q223 2SC1815 Y Q224 2SC1815 Y AGND AGND AGND LL RR MUTE 1 TL TR R2180 20K DNS R2187 20K DNS C21...

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Page 64: ...82 R2183 R2189 R2190 R222 R223 R289 14 SMD RESISTOR 1 16W 6 8K 5 8 R2136 R2148 R2152 R2155 R298 R299 15 SMD RESISTOR 1 16W 8 2K 5 1 R201 16 SMD RESISTOR 1 16W 10K 5 19 R206 R250 R265 R303 R306 R309 R3...

Page 65: ...OR 10V 225 80 20 0805 2 C226 C228 40 SMD CAPACITOR 50V 102 10 0603 15 C233 C238 C239 C2103 C2112 C2115 C 2116 C2118 C2121 C2124 C2127 C2146 C2148 C2155 C298 41 SMD CAPACITOR 50V 122 10 0603 8 C2122 C2...

Page 66: ...1 R508 6 CARBON FILM RESISTOR 1 4W10K 5 SHAPED 10 2 R502 R514 7 CARBON FILM RESISTOR 1 4W4 7K 5 SHAPED 10 1 R510 8 CARBON FILM RESISTOR 1 4W22K 5 SHAPED 10 1 R512 9 METAL OXIDE FILM RESISTOR 1W 220 5...

Page 67: ...1 U506 41 1 CONTROLLABLE SILICON NCR169D TO 92 1 U506 42 METAL OXIDE FILM RESISTOR 2W10 5 SHAPED FLAT 15 7 1 R519 43 SOCKET 13P 2 5mm 1 CN502 44 SOCKET 2P 8 0mm 2 1 BCN501 45 CONNECTION CORDS 0 6 SHA...

Page 68: ...SHAPED 7 5 1 R612 5 CARBON FILM RESISTOR 1 6W330 5 SHAPED 7 5 1 R616 6 CARBON FILM RESISTOR 1 6W100K 5 SHAPED 7 5 2 R615 R617 7 CARBON FILM RESISTOR 1 6W5 1K 5 SHAPED 7 5 1 R613 8 CARBON FILM RESISTOR...

Page 69: ...3 CD CD11 10V1000U 20 8 16 3 5 1 TC702 11 MAGNETIC BEADS INDUCTOR RH354708 14 L701 L714 12 ELECTRO OPTIC TRANSFORMER TX179ATW 1 JK705 12 1 ELECTRO OPTIC TRANSFORMER TX179AT 1 JK705 13 TERMINAL SOCKET...

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Page 93: ...e range applications to audio equipment especially multi functional compact audio equipment such as mini and micro component stereo equipment MD radio cassette recorders DVDs and audio receivers Items...

Page 94: ...al name GND FM DET VSM Rch OUT Vcc Lch OUT GND q w e r t y u DO i CL o DI 0 CE 1 FM ANT AM ANT FM AM PLL Combination IC L Vc R DO CL DI C 51 5max 18 3 TYPE IEC F FM ANT 20 60max 12 5 5 3 AM ANT GND 9...

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