Hard & Soft Technology Co., LTD. The Writing Formats and
Contents
1.2. The Writing Formats and Technical Terms of This Manual gt VV VV Y Vv Vv User mainframe means single chip applied by user DA32X means single chip applied by digital audio decoder of DA32 series Requirements of Dolby means lt lt MULTICHANNEL DIGITAL AUDIO DECODING SYSTEM FOR CONSUMER PRODUCTS Licensee Information Manual Version 2 0 April 1997 gt gt Copyrights of the Dolby Dolby digital are belonged to Dolby Laboratories Inc http www dolby com Dolby testing disk means DOLBY DVD DEMO AND TEST DISC VERSION 1 0 MP3 means MPEG layer 3 decoding has no a copyright restricting Copyright of HDCK is belonged to Pacific Microsonics Inc http www hded com n means 4bit hexadecimal from 0 to f variable for example 2nH OnnH means sending and receiving instructions and any values that parameter is hexadecimal between the 20H 00H and 2fH ffH b means byte binary from 0 to 1 variable for example 0010b1bbB OnnH means sending and receiving instructions and any values that parameter is hexadecimal between the 20H OOH and 2fH ffH but C2 is fixed for 1 nnH nnH means the general expression form of instructions C7 C0 parameters P7 P0 sending and receiving are suitable Features gt Apply CRYSTAL CS4926 CS49326 24bit audio DSP CS8415 low time base error 96KHz digital receiver and CS4228A 96K 24bit A D amp D A CODEC Internal analog mute function matching CS492
3. IEQ frequency sampling BA3834 MSG05A 2002 2009 Hard amp Soft Technology Co LTD http www HS AV com Page 3 of 7 AY DA32HC User Manual hsavd201 pdf October 25 2007 DA32HC Connection Methods The peripheral sockets diagram CN1 Digital Input Interface 1 2 GND Digital input ground wire RX1 Set 1 digital input when it is used its instruction is 34H 80H When default digital signal inputs from this port RX2 Set 2 digital input when it is used its instruction is 34H 81H RX3 Set3 digital input when it is used its instruction is 34H 82H 5V_ Provide power supply for fiber receiving head input CN2 Mainframe expansion input output interface 1 Mainframe expansion input output port it is controlled by bit 0 of expansion I O output control 57H OnnH instruction if bit O is high the output is high can use expansion T O input control 58H OnnH to find input port If input is low the callback parameter bit 0 is low Mainframe expansion input output port it is controlled by bit 7 of output control 57H OnnH instruction if bit 7 is high the output is high can use expansion I O input control 58H OnnH to find input port If input is low the callback parameter bit 7 is low Mainframe expansion input output port it is controlled by bit 6 of output control 57H OnnH instruction if bit 6 is high the output is high can use expansion I O input control 58H OnnH to find input p
4. 6 high speed DSP processing can achieve the best mute effect automatically and reduce noise down to minimum Apply late model bi directional bus HSB II of high speed user mainframe can continuously send as many as 16 set of instructions and parameters and then using of user is more nimble Moreover the bus is compatible with HSB bus of the first generation completely Built in main current decoding system DOLBY DIGITAL HDCD MP3 and so on besides have various surround sound decoding and playback such as DOLBY PRO LOGIC and RO LOGIC II There is no need for upgrade to change any hardware totally support all digital compression code stream such as AAC and MPEGII so as to suit different markets Users have to apply for the use license of corresponding company before production One internal fiber input and three coaxial input or seven digital input and a digital output Provide many groups of analog input switching signals A B C can switch as many as 8 analog input 6CH switches external 5 1CH input when analog and listening mod are stereo ANA can switch analog signal without passing decoder or output and control directly signal from M62446 Hard amp Soft Technology Co LTD http www HSAV com w Address second floor No 199 Longyin 2nd Road Xixiang Shenzhen China TEL 86 0755 27951479 27950879 FAX 86 0755 27950879 213 Technology support support HSAV com Business contact Sales HSAV com AY DA32HC User Manual hsavd201 pd
5. YPASS state this pin is high Mike switch control input when MIC is not inserted this pin is low or it is high even though have sent karaoke commixture switch 7eH 20H instruction this pin must be high and the fourth pin of M62446 has corresponding control action Mainframe expansion input output port it is controlled by bit 1 of output control 57H OnnH instruction if bit 1 is high the output is high can use expansion I O input control 58H OnnH to find input port If input is low the callback parameter bit 1 is low Mainframe expansion input output port it is controlled by bit O of output control 57H OnnH instruction if bit 0 is high the output is high can use expansion I O input control 58H OnnH to find input port If input is low the callback parameter bit 0 is low CN4 Digital power supply input ae ee E 3V Power supply 3 3V output if no special requirement this pin could be connected emptily VDD HCU power supply input if no special requirement this pin could be connected emptily 5V DSP power supply input GND Digital ground wire input CNS Digital power supply and analog input interface when it is used the instruction is 33H 100bbb00B 1 2 3 4 3 6 SC Control 3 used to extend analog input SB Control 2 used to extend analog input SA Control 1 used to extend analog input GND Signal input analog ground wire LIN Left channel analog signal input contains a low pass f
6. f October 25 2007 gt Matching DV37AB OSD board can realize Chinese English OSD menu display the instructions of user are completely compatible with vision having not OSD can be upgraded nimbly and boundlessly gt Adding only corresponding hardware DA32HC can realize Dolby EX6 1 and others 6 1 7 1 functions gt Equipping M62446 and bass management circuit can finish complete decoding and volume control functions requiring very short time can let products reach Dolby standard which provides convenience for capturing the market quickly The Requirements on The Hardware and Testing Steps That User Applying DA32HC Decoder Design Products According with Dolby Digital Attestation of Type B v The following is general testing conditions level of every channel and left right channel balance inching are in normal position and compression mode is closed v The setup of speaker is Config 2 left and right channels are big speaker the others are small speaker and set extra bass play Title 30 millivoltmeter is connected with left channel modulating volume make volume reach the maximum should can output full power i e just appear distortion that is the minimal request of complete machine gain Test complete machine gain v The same as above modulating volume make output be 1W about 2 83V and this time level is applied in the after statement as reference OdB v Play Title 30 respectively test central output right channel outpu
7. ilter first connects with 1502 resistance serially and then connects with 1500P capacitance to ground parallel RIN Right channel analog signal input contains a low pass filter first connects with 150 Q 2002 2009 Hard amp Soft Technology Co LTD http www HS AV com Page 5 of 7 AY DA32HC User Manual hsavd201 pdf October 25 2007 resistance serially and then connects with 1500P capacitance to ground parallel 9V Analog signal power input 8 9V Analog signal power input CN6 Analog signal output interface SW Extra bass channel signal output C Central channel signal output RS Back right channel signal output GND Analog ground wire output LS Back left channel signal output R Right channel signal output L Left channel signal output 9V_ Analog signal power supply input S08 ST ONO A 9V Analog signal power supply input Electrical Specification Item Minimum Normal Maximum Digital power supply 5V 4 75V 5V 5 15V Digital operating current 500mA 600mA 750mA Analog circuit voltage 9V 9V 12V 12V 18V 18V analog input level 20dB 200mV 210mV 220mV Analog input impedance 100 Ohm analog output L amp R 0dB 2 0Vrms 2 2Vrms 2 3Vrms analog output LS amp RS amp C amp ER amp ELSW 0dB 2 8Vrms 3 0Vrms 3 3Vrms Output noise level digital input CCIR ARM S0uV 58uV S N 93dB 76uV output noise level digital input not weighted 560uV 600uV 800u V O
8. ort If input is low the callback parameter bit 6 is low Mainframe expansion input output port it is controlled by bit 5 of output control 57H OnnH instruction if bit 5 is high the output is high can use expansion I O input control 58H OnnH to find input port If input is low the callback parameter bit 5 is low Mainframe expansion input output port it is controlled by bit 4 of output control 57H OnnH instruction if bit 4 is high the output is high can use expansion I O input control 58H OnnH to find input port If input is low the callback parameter bit 4 is low Mainframe expansion input output port it is controlled by bit 3 of output control 57H OnnH instruction if bit 3 is high the output is high can use expansion I O input control 58H OnnH to find input port If input is low the callback parameter bit 3 is low Mainframe and DA32X communication HSB three lines bi directional time sharing bus BCK when it is applied as RS232 it is used as DA32HC sending data port TxD Mainframe and DA32X communication HSB three lines bi directional time sharing bus SDA when it is applied as RS232 it is used as DA32HC receiving data port RxD 2002 2009 Hard amp Soft Technology Co LTD http www HS AV com Page 4 of 7 AY DA32HC User Manual hsavd201 pdf October 25 2007 9 10 Mainframe and DA32X communication HSB three lines bi directional time sharing bus HOLD when it is applied as RS232 it i
9. s an empty pin Used by mainframe RESET DA32EC normal requirement is high level usual application is an empty pin Attention when input output ports are working if user wants to employ a port as input it is necessary that expansion I O input control 57H OnnH instruction make corresponding bit high Have configured pull ups CN3 Mainframe communication and Main unit control input output interface 1 6CH_IN external 6 channel input selection when it is used the instruction is 34H 0a0H when it is effective it is high external circuit can be used to switch external 6 channel 6 channel volume control IC M62446FP P41 CLOCK if software does not use M62446 in the DA32HC this pin is a extra bass channel commixture switch of Dolby configuration 2 adding necessarily a audion opposition of PNP can be applied by the original circuit 6 channel volume control IC M62446FP P41 DATA if software does not use M62446 in the DA32HC this pin is a extra bass channel muting switch adding necessarily a audion opposition of PNP can be applied by the original circuit 6 channel volume control IC M62446FP P39 LATCH if software does not use M62446 in the DA32HC this pin is a muting switch of the others channels excepting extra bass channel adding necessarily a audion opposition of PNP can be applied by the original circuit Control port of Decoder outputting directly under the analog input or listening mode is under the B
10. t left back channel output right back channel output the output change relative to reference OdB can not exceed 0 5 dB range till 0 5 dB Test channel balance v Play respectively Title 43 45 respectively test left channel output right channel output entire time inner in playing 20Hz 20KHz the output change can not exceed 0 5dB range till 1dB Test frequency responding v Play respectively Title 44 46 47 about between the 30 seconds and 59 seconds respectively test central output left back output right back output the output change can not exceed 0 5dB range till 1dB Because setup is small speaker in the first 30 seconds output level is able to rise slowly Test frequency responding v Play Title 80 using millivoltmeter with CCIR ARM to test all channels should lower 65dB than reference OdB at least Test digital signal to noise ratio v If extra bass channel has not a power amplifier when the first 2seconds in playing Title 48 testing extra bass output should lower 24dB 3dB than reference 0 dB If extra bass channel has a power amplifier or pure decoding extra bass output should higher 15dB than reference OdB Test bass channel balance v Play Title 48 in the first 2seconds extra bass is closed testing extra bass should lower 50dB reference OdB Test bass muting switch v Play Title 48 in the first 2seconds testing left channel output should higher 5 5dB than reference OdB Test bass management le
11. utput noise level analog input CCIR ARM 70uV 76uV S N 90GB 80uV output noise level digital input not weighted 600uV 700uV 800u V Output impedance 100ohm Digital input 0 5Vp p Instructions of The Power Supply and Ground Wire In DA32HC digital ground wire have connected with analog ground wire when the mainboard LAYOUT user should pay attention to the digital and analog power supply and ground wire Input and output of the analog ground wire and digital ground wire are connected in the DA32HC so anywhere out of decoder board is no connection or can appear low frequency noise DGND AGND and corresponding parts shouldn t have any electrical connection 9V stable voltage may be 9V range till 18V Filament voltage and VEE 28V stable voltage are parts supplying electricity for VFD must be revised according to different display 2002 2009 Hard amp Soft Technology Co LTD http www HS AV com Page 6 of 7 D 97 DA32HC User Manual hsavd201 pdf October 25 2007 1CN1 KJ 22 HE Jk 5V 200mA o 220V_ACNA Hy Tie Be A E Ha 4 Eh 9V 9V pas M62446 dl iPower Amplifier 7 M62429 7 7 vW vV 9V Stable voltage E C E C Power amplifier Transformer m rectifier Input Analog output selection Power supply and ground wire diagram Heavy lines express ground wire 2002 2009 Hard amp Soft Technology Co LTD http www HS AV com Page 7 of 7
12. vel balance v Play Title 72 make tone bass reach the maximum if using oscilloscope or distortion device test left channel output the slight distortion is acceptable but playing Title 73 shouldn t distort Test bass surcharge v Speakers are configured for Config 1 all speakers are small and have extra bass left speaker and right speaker should lower 50dB than reference OdB at least Test bass management switch v Input 1KHz 200mV analog signal from every analog port under the BYPASS state output of left channel and right channel relative to reference OdB can not exceed 1dB range till 1dB Test analog input 2002 2009 Hard amp Soft Technology Co LTD http www HS AV com Page 2 of 7 AY DA32HC User Manual hsavd201 pdf October 25 2007 v Do away with analog signal have inputted place listening mode in the PRO LOGIC state using millivoltmeter with CCIR ARM to test all channels should lower 65dB than reference OdB Test analog signal to noise ratio Application Fields Compose multi format digital audio decoder Compose AV receiving power amplifier Computer multi channel multimedia sound box a a External sound card of computer with USB input System Diagram Applying DA32HC Decoder Dotted lines are audio channels Analog IN 777777 Digital IN Bass management and muting control 5 1 CH audio Electronic output Mainfram volume gt gt e M62446
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