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112 

INT0 

Micro-processor interruption 0 

113 

DQM0 

DRAM input output shielding signal 

114 

DQS0 

DRAM input output shielding signal 

115 

RD7 

DRAM data 

117-118 

RD5-6 

DRAM data 

120-121 

RD3-4 

DRAM data 

123-125 

RD0-2 

DRAM data 

126 

RD15 

DRAM data 

128-133 

RD9-14 

DRAM data 

135 

RD8 

DRAM data 

136 

DQS1 

DRAM input output shielding signal 

137 

DQM1 

DRAM input output shielding signal 

138 

RWE 

DRAM writing enabling 

139 

CAS 

DRAM column address selection 

140 

RAS 

DRAM row address selection 

142 

RCS 

DRAM chip selection 

143 

BA0 

DRAM section address 0 

145 

BA1 

DRAM section address 1 

146 

RA10 

DRAM address 

147 

RA0 

DRAM address 

149 

RA1-3 

DRAM address 

153 

RVREF/ADIN3 

Reference voltage/AD universal input 

154 

RCLKB 

DRAM clock 

156 

RCLK 

DRAM clock 

157 

CKE 

DRAM clock enabling 

158 

RA11 

DRAM address 

159-160 

RA8-9 

DRAM address 

162 

RA7 

DRAM address 

164 

RA4-6 

DRAM address 

168 

RD13/ASDATA5 

DRAM data/audio series data 

169 

RD27-30 

DRAM data 

Summary of Contents for DK1010S

Page 1: ...1 Processing Procedure of Digital Signal 2 Processing Procedure of Control Signal Chapter III Operating Principle of Decoding Circuit 1 Control Circuit of System 2 Audio and Video Output Circuit Chapt...

Page 2: ...enance Corresponding decks should be changed with the same type of original ones otherwise the player will be out of order Identification of decks is shown as figures In addition you should also pay s...

Page 3: ...power amplifier adopts the digital power amplification circuit with the power IC of TAS5112DFD it has low distortion level 3 The audio process adopts TAS5508 with high integration and high performanc...

Page 4: ...head 16M ROM SDRAM Sany deck focus track feed main load load drive Power Panel status AudioD A power Refor Servo drive Digital servo Digital signal MPEG decoder AV output circuit composite S terminal...

Page 5: ...or correction deck and MTK decoding solution and its servo circuit mainly consists of preposition signal processing digital servo processing digital signal processing IC MT1389 and driver circuit BA59...

Page 6: ...gnals will be EFM demodulated in MT1389 and after accomplishing CIRC error regulation in internal MT1389 output to the next grade to carry out audio and video decoding when the deck reads the DVD sign...

Page 7: ...losing When we press the open button the Pin 51 of MT1389 is in low power level while the Pin 39 is in high power level and then the triode V307 will be conducted Through resistor R324 the base of V30...

Page 8: ...player III Servo drive circuit The servo drive of the player is accomplished through a piece of 4 channel dedicated drive circuit BA5954 with the circuit as Figure V The 4 servo control signals gener...

Page 9: ...89 to reset MT 1389 When the recharging of TC217 is finished the base of Q204 will be in high power level Q204 will be conducted and the emission polar is in high power level After the secondary phase...

Page 10: ...composite video signal CVBS S terminal color difference signal and VGA signal The CVBS composite video signal is outputted from the Pin 198 of MT1389 the S terminal signal Y C is outputted from the p...

Page 11: ...output 50W It has 95DB dynamic range low distortion degree and low rate of heat generation with power efficiency up to 90 It also has functions of low voltage protection high temperature protection ov...

Page 12: ...tage for power amplifying IC after being rectified and filtered 2 Voltage output from pin 16 of transformer T501 outputs a group of 12V voltage after being rectified and filtered 12V voltage is stabil...

Page 13: ...drive the IC 0793 outputs the control data from the pins 5 and 6 VFDAT to the built in CPU of MT1389 which will realize the control on the controlled circuit and control the VFD through IC 0793 Its op...

Page 14: ...3V LD02 3 3V V301 and V302 electron collector LD voltage 2 3V BA5954 pin 4 base voltage 1 4V BA5954 pins 15 and 16 tracking drive output Around 2 5V BA5954 pins 17 and 18 feed drive output Around 2 5...

Page 15: ...C276 R224 R248 are damaged Check if reset signal URST is in 5V high level Check if the reset circuit which is comprised by HCU04 and Q204 etc is in working order Check if I2C bus SDA SCL 3 3V voltage...

Page 16: ...5V are in working order Check if the connection from BA5954 to MT1389 is open circuit Check feed motor and its connection Check if laser head has focus action Check if BA5954 pin 1 has focus control...

Page 17: ...2 3V Check if the laser head and its array line are right Check if the main shaft rotates Check if the control voltage of BA5954 pin 5 main shaft is 1 4V Check if the connection from BA5954 to MT1389...

Page 18: ...MPEG 2 MPEG4 JPEG Video decoding chip which can not only realize the decoding of VCD and DVD but also realize MPEG 4 network video decoding being compatible to network movie disc and decipher JPED pic...

Page 19: ...CD focusing error phase input 18 TNI 3 light beam auxiliary PD signal phase inversion input 19 TPI 4 light beam auxiliary PD signal phase input 20 MDI1 Laser power monitoring input 1 21 MDI2 Laser pow...

Page 20: ...USB data 45 USBM USB data 46 USB_VDD3 USB 3 3V power supply 47 FG ADIN8 Motor sensing signal input AD universal input 48 TDI ADIN4 Open position detecting signal input AD universal input 49 TMS ADIN5...

Page 21: ...0 3 Micro controller address data bit 0 3 86 88 AD4 6 Micro controller address data bit 4 6 89 IOA21 ADIN0 Micro controller address bit 21 AD universal input 90 ALE Micro controller address enabling 9...

Page 22: ...elding signal 138 RWE DRAM writing enabling 139 CAS DRAM column address selection 140 RAS DRAM row address selection 142 RCS DRAM chip selection 143 BA0 DRAM section address 0 145 BA1 DRAM section add...

Page 23: ...ignal YUV2 output C signal output 197 DACVSSB D A conversion grounding 198 YUV3 CVBS Video signal YUV3 output CVBS signal output 199 DACVDDA D A conversion 3 3V power supply 200 YUV4 G Video signal YU...

Page 24: ...put 231 JITFN RF small signal phase inversionand amplification input 232 PLLVSS Phase lock loop grounding 233 IDACEXLP 234 PLLVDD3 Phase lock loop 3 3V power supply 235 LPFON Amplifier loop wave filtr...

Page 25: ...kaging of 28 pins Note The 28 pins of BA5954 are for outputting effective control signal which is provided by the 50 pins of MT1389 When the signal is in high power level BA5954 output is in validity...

Page 26: ...ck loop 25 CTK1 External feedback loop 26 VINTK Tracking control signal input 27 BIAS 1 4 reference voltage input 28 STBY Enabling control signal III 29LV160BE 29LV160BE is a type of 16Mbit FLASH memo...

Page 27: ...ine 47 BYTE Adopting 8 byte in low level or 16 byte output mode in high level 11 WE Write enabling 12 RESET Reset valid in low level 10 13 14 NC Neutral pin IV AE45164016 AE45164016 is a type of 64Mb...

Page 28: ...e voltage for PLL 2 PLL_FLT_RET PLL external filtering circuit 3 PLL_FLTM PLL inverted input pin 4 PLL_FLTP PLL non inverted output pin 5 AVSS Analog grounding 6 AVSS Analog grounding 7 VRD_PLL Provid...

Page 29: ...ignal output 1 42 PWM_M_2 PWM signal output 2 43 PWM_P_2 PWM signal output 2 44 PWM_M_3 PWM signal output 3 45 PWM_P_3 PWM signal output 3 46 PWM_M_4 PWM signal output 4 47 PWM_P_4 PWM signal output 4...

Page 30: ...ent circuit 12 DREG_RTN Digital service voltage adjustment circuit 25 DVDD Input output reference 1 2 22 24 28 29 27 36 37 48 49 56 GND Grounding 3 26 GREG Driving voltage adjustment of gate circuit 3...

Page 31: ...ut A 4 V Negative power supply 5 NON INVERTING INPUT B Non inverted input B 6 INVERTING INPUT B Inverted input B 7 OUTPUT B Output channel B 8 V Positive power supply IIIV CS 5340 CS 5340 is an IC of...

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