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Service Manual

1. R106 R103 ltmportant power Sony310 30K 30K R106 51K iion I DL3 27K 20K R103 51K VDDPWM VA IAT510 33K 33K R107 22K oscouT C109
2. 5 C520 1106 2 12V H 3 oves C 1501 piu CVBS OUT 5 Hel E C511 C521 SCART SWITCH 5 FS1 H RGB L CVBS 160pF 485 52 53 SCARTCFG gt 1509 AUDIO 6CH id 00 43 INM 2 01 AUDIO TV 16 9 C522 1106 Y R V_OUT 1 La CVBS OUT Video Status AUDIO TVI T6 9 7 YRV 1502 Y R V_OUT 2 10 16 9 890 VAN gt 15K 0523 AMAIN OU mii COAX SPDIF 2 e 2 0X4S CN7 0501 1 8 DUPRDO 2 BT3904 C524 11 2 9 V INM 6 CV88 6 Y 1503 G Y OUT C B U OUT 3 S gt gt MIC IM C525 160pF 8 g 0502 8514 FS3 gt BT3904 150R 12 k MIC_PORT INM NM RMAIN OUTD 4 C526 1106 0539 pF ouro 1 y CBU yp CBU pisnih C B U OUT BT3904 ac MM C527 G Y OUT 5 SCART SWITCH 60pF RGB Status 2 R516 ON503 LMAIN OUT 1 8 Dex SCART config circuit INM 1 I 9 4540 2 DAT T T 4 E STB 8501 5 R502 5 8503 8504 AMAIN 602 gt 8 10K 10K 10K 2 2K FD PORT L C538 3 5 2202 100pF 68612 2202 guri L8513 2207 4 FPC CLK 14 2207 P 4 FPC_DOUT
3. ADE ING Dos Ho SEERERE B EIE 10K I m MEMWRE 1 0012 WEWDATA beled gt B B ia 13 m sz DSPVCC3RtS2 70 I MI SE 8 E 95 5 a I I ti ver 22 TNENERTS 818 003 yr MEMDATTO 60106 L Lata Nis oono WENDAT SEGRE 5 502 EROR 4 9 Hina agg 1914 bos MEVDRTE Close to Pin37 of Ui04 m I ane I EI Ai oer 2 _ pasa 85 558568 E M NENADDS E 6 E m 1 90 E 4 255 X EMD 85558883 835468828385888 88468880 5 8 4 Ee AD 88222852 8255 55555950 82246 8 cis 5525 320 Sass 8 I NM 5 g 3885 5 95 ll a eene 8 5 sm Flash select XR 11 5
4. mr 17 8 8 RED VO zo REF i REE VE 22 OPUSY 23 Vs 24 Hitachi Sankyo Aatech OPU MM 24Pin OPU connector quen SFU eme 2 0 SLED amp SPINDLE Con Choose the value in when using ror A lr A DVD MD DVD VR DVD LED BND DVD LD DVD SL wor SLED 2 SL MOT 8 60 a POMESW a SP wor e amp SP 5 1 LOAD LOAD LORD LOAD a NSW 2 0 TRAY CLOSE COPEN OPEN DRVSB d R286 AK MM HOMESW i roues EDU SW Sw INSW for thermal sprea While using BA5954 While using AM5888s R209 R210 9 R210 8270 R283 Sony310 100R 100R 8065 OR NM NM DL3 o Hitachi NM 91R 91R IAT510 100R 100R TOP11005 TOR TOR 5 MITSM820W 918 JIR Fan 908 23 v U INM R209 HOPIZUUW NW NM 8294 INM HD657HDS
5. ay tear Or Open circuit of 1 3 pins of T1 6 8 pin Drain of IC1 About 320V 140 D6 R6 or is damaged Measure whether the voltage of 2 pin IC1 VCC is equal to 12V Check whether C5 or IC2 Measure whether the voltage of 3 pin IC2 M is equal to 1V are damaged Test whether the windings of T1 are Replace T1 short circuit open circuit N Measure other elements 21 2 Unstable voltage output decrease of carrier capability Take out the output cord Normal output voltage Other power boards connect false loading over loaded Abnormal Measure the working temperature of Abnormal Analyze heating elements I elements by infrared thermometer Normal Is the vol f light emitti N zi the voltage of light emitting tubes Replace optical coupling in optical coupling at about 1V Is the reference voltage of IC3 N Is it normal after replacing at 2 5V TL431 N Is the voltage of IC1 Check T1 or IC1 drain pin normal Is the voltage of C3 at N There is damage in D1 D2 D3 D4 320V 140 forming half wave rectification Test other elements 22 While using BA5954 While using AM5888S Use it to connect the shell of the crystal with ground
6. Default R298 SPM SPDL SENS SPDL_SENS 0204 isa 8281 DSPVCC33 IR I 1 Bod SP SPDL SENS gt gt SPDL_SENS ZORAN Confidential s Dco usto Document Number Front End amp Regulator i am Wednesda Juns 28 2008 5 9 7 amplitude of Mic Audio aco 2k ice ase 8459 pspveca 1OuFAVZT 100K Rs Rast NM 100K VOCAL Ra 1 1 Value in is for external ADC ADC circuit for Karaoke uso cE2632 8 33 14 ovon H Ji ila ANCL 086V6033 8 33 mI m 8445 MM als tace I IE 1 NOHPF 1 5 cap aono He 4 a gt 22 16V gt gt AVDD i 2 a 3 104 1 Raos 100K D301 IM4001 D302 1N4001 1 Eo e pi 0303 50317 603182 3559 34 470 10V 29 efc MM oq Bak 33 65
7. FPO STB i R147 WEWADDT 37 MEMADD 18 GPIO 6 60040 1138 CD DVD i DSPVCC330 METRI MEWADD 28 MEMADDI17 GPIO 39 Hisa DAVSE 8 MEMADDE 30 7 GPiO 38 459 IN QUT EW 5 30 MEMADDIE iGpiorozy nist 127 A MENADDE 32 vEMADDISI 122 FOWESW Close to Vaddis 34 128 m E 34 MEMADDIS GPIORSSJAINISPDIFIN 122 Por GAIN 35 voor 122 SPOT OUT SS oir our 12 MEMADDIA 2 XC H as 37 Piogoyatrcck 120 ALRCLK is 38 MEMADDI1911GPION7 224 1 E rs 38 usevoo GPIOf29yAMCLK 18 140 GNDC pum 17 41 GPIojesyAOUTTOVAPWD AEH L 1 4 lusscno GPIOI27VAPWMO ANE mnoo 44 RAVADDI4 GPION2SVAOUTII FSS AP WMA 2 pm 44 RAVADDI MM 8 2 45 RAMADDIS GPIOPAVAOUTPVAPWMZ 2 48 Voor GPIOESJ APO F471 IA Ramanna E a E ems uevno ni 26 MEMADDS RAMADDT 52 RAMADDIE 8 GPIOIVAPWMS Hoy APWWLCER SS SYNC i DRVSE PINS 2 A 50 RAVADD 1 85 XVVV4 492 CEN 39 511 RAMADDI 8 8 ceonsyewuco Api COENA A WM CEN TOUT SWZN GU sw 2 V006 E _ us VDDAPWM jo mee CA CLOSE 30 8 8
8. 5 5075 ATK 34K R102 51K 118 i 8065 9062 27K 27 i I SPU3153 36 33 Close to Vaddis I I 502W 24K 27K FOCUS 5 108 27K 50 Arima681 36K 24K Focus 86 ip TR STR TRAOK S I FRIO2 1 vior 22K 20 VDDIAFE 220K spot s seo 1 OAK A_N reus I t vODAFE MARRA o osPvccn bios ptos pros bio Ho 74 5 1 TM or 8 8 88 cus cous si SR 7 Pra 209 SE S 1 1 1f plan to use 90ns Flash it needs to be verified by s w H D A ET en cns zT one 9999 218 wu I visa I 8 9999 da ebeoee _______ I ARS ARRAN NES e ae MEMADDIG IPE C163 nF a I 2 ch 242 Sos 3 83 GND 48 peo amp E 9 6 BE eee 1 ODSPVEEIS ee mema g A12 0015 Hia WENDAT 8146 8145 ak B S 36855 2 2 Kal Wer qu oo SESSO 84 l 007 42 MENDATTE on NW SE s Cy CC I Alo 3 MM T amp 8 259555 3 LL CC I dimo 48 SH MEMDATIT 655555530 RESET I MEMADDIS ATTI 94 aig 13 Hao 025555 l E to vadais RIO
9. E fig 20097 10 10 sore AA MM tint Raso 0 L gt SATTA 4 Mi n 5 1 gt DuMAIN OUT 0326 8361 2 caza INM 08 441 1 0321 pm M cass 1000F E ARM i EIR TEP case mice ATI eet 2 MI aN tratos sou Re Spb 3 AMAINOUT ai 8385 Sn tori _ 8439 1 0322 27 naro mio III a 1 IRA MM fok cars 20097 10 10 nF nF 27 O 1 sot INM XII Mure 8375 1 pum EU cas jor ii 8366 R363 id maso ES CEN tig IRA MM Tq Bak coss 20091 10 ODF 10 nF nF 2 moe moss 1 XXI OA T MM ORI d mure A885 0316 pm OM NM 08 mus mus moin aao 3 APIS A RA MM oq Bak 2 cus 20091 10 10 nF nF R347 8349 R344 24 Lour 3 5 tiri js SL ARA IRA R INM OR OR EL dev 8345 2K mis EM cus MM E Su R356
10. 650 8888 5 8 enpoacase 156 Lissa to intel 2 MEMDATI10YPIO1O RSET 158 Vaddis RN e 4 1 vona PS Ra T 1 FORE aad EEPROM AMD SST gt 5 MEMDATI ace 152 1 8 5 Frav I pus I ET 5 DACI 151 TS 1 lcm MEMDATIS voooac 150 pape CE mH I 8 MEMDATT19 GPI019 pace 142 I SY a v we Lll MEMDATIE 31 elsa 3 MENDA arem once Paz 1 77 SDA GND MEMDAT Vadd 9 145 SCOUT UM 12 MEMDATI7 15 xo 148 ODPL varT M 13 MEMDATITSI 14 eem 16 For customer model please just keep 54 vooe ZR36966 men Lio ill test point close to Vaddis oe n 16 MEMADO 16 4 2 NEMADDT 16 MEMCSM GPIO SI V00C HS meen ERREUR WERE a 1 1 _ 18 MEMADD IS 139 METE pute MEMADDI14 GPIOH7 DUPTDT MENADDIE 20 127 PRL Mpa lui 1 MEMADDTT 53 MEMADDI12 186 DUPTDO MEMADDII VODP MEHADDS 2 134 KCIRRCV ES _ 24 MEMADDIOI LIE Fee SPC pour i 5 A 25 122 2 26 MEMWRE 131
11. X pseveca pa I I A101 47k Eton c129 cist cia ciae cis I Close to Vaddis I tone tone tone tone Sone tone Sone tone Anar ev gel SE SE sE SE Eel el 1 58 56 56 55 8 88 88 sis 3 8 5 2 I 255595 8 23 SE SE 25 5 88 28 Se 3588 32238238 4 4 4 4 4 4 4 4 4 4 1 lt lt 32 22 22 22 2 33 iE 28 21 222 2262 58 Ee 2 22 22 22 9 iE 22 22 2 202 222222 gt ZEEEEE a 4 onspvects I I I CM dadada Ton tone ton ton tone 5 1 995993990999 92 44 44 I 7 6V 444844448444444445545 555553 I 3323218 SDRAM configuration 853359338 mm IX16Mbit 508 Low I a TC L70 I Tras 44 4ns I 48888588 48000068 5 8 885882885 552420 I 4 4 F109 CERE DsPvcoas T I I RR 1 ctas cias cias I L t i i Son tone ton tone E I zie e za piel ma ds gt gt 88858 9 58 lt lt lt lt EE E lt lt lt EE E HERE GER Place de coupling capacitors close to power pins sl ck se se
12. 31 Board Servo initial work process Power On System initiated ZR36966 reset and initiated wait for task Y Tray door close Close tray door Y Pickup in inner circle Pickup move outward Machine initiated ZR36966 Without disc 32 Check disc Activate pickup Focus loop move up Focus loop move down Disc check error Focus loop move up Focus loop move down Pickup LD off Initiate auto adjust Action repeat 33 Eject tray abnormal CVBS normal Check ZR36966 PIN125 OPEN PIN126 CLOSE Check OPEN CLOSE signal level normal When open tray OPEN should be high level CLOSE should be low level Check LOAD LOAD voltage Check IC U202 larger than3 0V connect multimeter black pen to LOAD red pen to LOAD Check loader wire connection with loader Close tray abnormal CVBS normal Check OPEN CLOSE signal level normal When open tray OPEN should be low level CLOSE should be high level Check ZR36966 PIN125 OPEN PIN126 CLOSE Check LOAD LOAD voltage larger Check IC U202 than3 0V connect multimeter red pen to black pen to LOAD Check loader wire connection with loader 34 KB BOARD SERVICE PROCEDURE Power on Led no display Connect correctly Check whether KB board TW1618 is dama
13. 7 v 1 502 a Tur 8295 on R270 4 R283 R270 R283 313A 62 5028 NM HOP1200W 100R 100R R294 100R OR 91R 918 1918 Arima681 100R 100R x 95 z TIE Others NM NM 8 202 awseas Focus S 1 stay 128 crcERRiTRB 1 sas 91 bi iva Aaa vin 28 8273 TRACK 8 M gar VINSL CTKERR1 TRB_2 2 Toner AIB Ss viNsL REGO CTKERRa NC 24 GEN sns L PREGND H2 M5Vo 4 T 8 vcc PVCC2 PVCCI LOAD VNFTK NC H C245 11 vost vost 18 VOSL VOSL 1 SEMIL FACT isla vor 18 FACTS onda TACT 95 86 i XU LI TY e d Value in is for 58885 I 4 58050 58550 I ps Q210 Q211 must be genuine 8550 such I 5 478 PSS8550D Jiangsu DRV 4 ozio i 1 I Se Changdian 58550 I 4 PS58550 PSS8550 8 330 1 IDSPVCC18 T I I 8219 220UF ve 220uF 10V R220 I 12K 1 430R i I 430R 1 ES 1 25 I 0210 211 must have 8218 ne enough large pads I I DSPVCC3S R278 C246 Current
14. LP U Package SOTM REF 19 Main characteristics of TL431 1 Anode voltage Vka anode change in voltage 2 reference voltage reference change in voltage Secondary main winding set SV to output change in voltage Vo we can deduce A Vr7 356 Vo From this formula we can deduce If SV Voltage rises the voltage Vg of the two ends of R7 will rise error voltage increases by 356 times Vg error voltage is added to the light emitting diode of IC3 optical coupling so that the emitting intensity increases Coupling increases the current of IC3 light electric triode The control current of IC2 then rises and the T ratio of open close power reduces thus reducing 5V output voltage On the other hand if 5V voltage reduces negative feedback will cause it to rise automatically 6 Output voltage for the first time After 5V main feedback winding has been regulated other windings will be regulated relatively and the voltage required by each circuit of the DVD machine can be obtained IL Repair flowchart of open close power Below are two flowcharts for troubleshooting which occur frequently when open close power Repair of Power Board 20 1 No voltage output M h inal Y Eliminate short circuit point to see whether it is short circuit N Check AC and DC conversion Far less than 320V 140 Measure the voltage of C3 elements such as FUSE power itch L1 DLD About 320V 140 SWR ED M OV
15. 320 140V DC voltage Uhv Process to start up the software Connect R6 D6 C6 and bias winding to the multi functional VCC pin of test DC input voltage Uhv This can effect as a protective function to restrict under voltage current and reduce over voltage T ratio R3 RA R5 is the charging circuits to start up software and electric current inside flows from control pin 5 When Vc reaches 12V internal oscillation circuit initiates motivating power amp MOSFET forming AC current on T1 primary winding coupling to secondary winding Power switch start up has completed Bias winding After starting the power T1 bias winding supplies bias current and error current to pin2 of IC1 through D6 R6 and C6 rectifier filter Clamping protective circuit R2 DS are connected to primary switch transformer in order to fix the leakage electrode voltage of and to prevent the voltage exceeding the limit of leakage electrode voltage when switch transformer discharges at startup or overloading stage Regulation process of output voltage When the input current of control pin FB decreases or increases oscillation waveform will be regulated automatically so that T ratio will increase or decrease and the output voltage will increase or decrease Output voltage feedback circuit is completed by IC2 IC3 IC3 TL431 is a reference regulation IC reference voltage is 2 5V Its pins are shown on the diagram below Z
16. 5 5 EE e IEEE ZORAN Confidential zo Document Number ev cb Vaddis Flash SDRAM Gs Wednesday Tune 25 2008 04 sr Close to CN201 M I DSPVECII E E I Si 8 I 822 60226 I 0205 478 gt 470 1470p ______ 1 CN201 is used for Sanyo Samsung Sony OPUs 60229 478 TT cay cans in inr 24Pin OPU connector W a R223 Kio mn lara 202 300 for HOP1200W only 121 DVDLD fi R202 DE 18008 HEM s CRFASV re Rx IO DVO VE CD TS 100uF 16V 18 15 FE vol i opu AE DAE voe a ver Rah YN z T Hi IE R204 DIC Canal Hari bvo Low D HIGH RF SW cD 0 0_ cp ZE Stone d 1 TACT r 22 6 cam cam o tur C nly for DPD20428 SPU3153 HOP1250OPUs FOCUS 8 IER BLEUS TRACK 5 MR TRACK S ay SPDLS Eg Met TR mm FACT GND CD NOR MD CD MD CD Noe 14 R24 M DR CD DVD
17. SR OUTY t 20075 0537 100pF 3 JR4 4 0535 100pF C B U OUT 2 Y R V OUT 4 cia secon Note R505 OR when using AM5888 LDO controller M5V L 501 2012 221 _ CVBS OUT 5V MBW2012 221 8507 oR JR3 GND 3 4 4 4 D5V OPTICAL x C 12V 1 GND 2 5 2 12 O 12V S Video w RCA OPTICAL EPO vec POWER de gt gt EC530 503 47uF 16V a 109 554 C558 0558 0557 100uF 16V 12 12V 10 i0nF 10 8546 828 OPTICAL SPDIF 12V 12V 10 1 zi 45V 5V 2 5 3 3V1 3 3V 2 5 HH HH S PDIF our gt SPDIE OUT 2505 BT3904 R547 oSERVO33 Close to 0505 08 33 I I R529 I 56 0505 C542 C543 220uF 10V 220pF tnE I ead C528 I COAX_SPDIF I I 628 R530 0 1uF MARKI 0510 I I 22pF MARK2 I x 4 oDsPvcc1s I I T cose ZCRAN 220uF 10V C544 0545 C546 220pF inF 0 1uF ZORAN Confidential 4 4 MARK4 Te Close to Regulator Bize Document Number ev Power AV Output 0 ate Wednesday June 28 2006 7 o 7 5 3 2 1 coder Board ZORAN36966 decoder board service manual Please check the power supply to decoder board is norm
18. color difference YGbCr YPbPr in analog or digital form The MPEG 2 encoding system used by DVD is based on color difference component digital video Very few televisions have component video inputs Composite Video An analog video signal in which the luma and chroma components are combined by frequency multiplexing along with sync and burst Also called CVBS Most televisions and VCRs have composite video connectors which are usually colored yellow CD i Compact disc interactive An extension of the CD format designed around a set top computer that connects to a TV to provide interactive home entertainment including digital audio and video video games and software applications Defined by the Green Book standard CD i Assn Abbreviations Dolby Digital perceptual coding system for audio developed by Dolby Laboratories and accepted as an international standard Dolby Digital is the most common means of encoding audio for DVD Video and is the mandatory audio compression system for 525 60 NTSC discs Dolby Surround The standard for matrix encoding surround sound channels in a stereo signal by applying a set of defined mathematical functions when combining center and surround channels with left and right channels The center and surround channels can then be extracted by a decoder such as a Dolby Pro Logic circuit which applies the inverse of the mathematical functions A Dolby Surround decoder extracts surround channel
19. 8 fasc 08VCC33 ZOREN ow 39 6 i 55555680 JVoDAPHM Risi 9 92 EE 8 SE 2 gt 88858888 si Yl x 55 35 PE Pets 5 888505992 33 x 8885 522 35 EEEE GREE 2 463720305 MARES in 289 28804085 2202 05545 2552545 05505548 0 305529225 800 35 5555855223525852555255228552225 822022225282 5555554 100uF 16V 36 222822222222822228522228222222282228222282222 2 I 20220020202 202022222 022 2222 20204242252 38 3 adda 3 MEMADDI E Put at the middle of traces 2 22 43 4 BOOTSEL 4 Pi E E 46 ar see 88418 wel eee Eee WP 14 g Download 992 2 85885 28 5555 SEEK 56 5555 25585 header 8 SW debug 8 2 FE t EEE FE 33 E sulla o M5V 500 for device 3 wR dele ud I ODP WAT 9 E 588 955088 5 APWN SF gt 22222 APWN SRT 8 BOOTSELI APW TFE 8 MM I 255522 8 I Remove trace 1 2 3 4 after finish layout remove the trace 9660 only between pinl and pin of FB113 FB114 FB115 FB117 I B113 FB114 FB115 FB117 should be placed around the 4 corner of Vaddis I si i psevccs
20. A peak Other terminals 50 ohr lt or 2mA DC Note This table is for IEC member only Be sure to confirm the precise values for your particular country and locality Exposed C accessible part 2 M Earth Ground Power cord plug prongs 2 8 ance Standards KEY PERFORMANCE LIST ITEM TEST CONTENT UNIT SPECIFICATION ANALOG OUTPUT LEVEL CV 10k 1 7 0 3 LOAD 20Hz dB 2 A 125Hz dB 2 2 FREQUENCY t2 D RESPONSE 18KHz dB 2 20KHz dB 2 3 S N RATIO CA WTD dB 290 4 z THD N dB lt 60 KHz 5 CROSS TALK dB gt 70 6 R CHANNEL DIFFERENCE dB 1 5 LEVEL 0 1 T NON 8 7 20 LINEAR Lo 60 8 DYNAMIC RANGE dB gt 75 1KHz 9 DIGITAL OUTPUTLEVEL Vp pLOAD 0 5 0 05 10 VIDEO OUTPUT LEVET Vp p 1 00 2 V HORIZONTAL DEFINITION LINE 25500 1 LUMINANCE CHNANEL _ MHz 23 5 BANDWITH E LUMINANCE lt 2 13 O NON LINEAR CHARACTER DISTORTION 14 DIFFERENTIAL PHASE 7 lt 8 OUTPUT LEVEL Vp p LOAD 1 50 5 DISTORTION lt 0 5 15 MIC FREQUENCY RESPONSE dB 3 120Hz 5K CHARACTER RATIO dB 245 REDING TIME 5 lt 5 16 OTHERS LONGTIMEREADTIME 5 10 POWER CONSUMER VA W 30 17 S VIDEO LUMINANCE LEVEL Vp p LOAD 0 7 0 14 18 S V
21. IDEO COLOUR SYNCH LEVEL VP P LOAD 0 3 0 06 10 L IL IL L II 1 IL OPTICAL S VIDEO COAXIAL FR FL VIDEO Pr Cr Pb Cb Y MIC IN CN7 DECODER ZR36966 POWER 24PIN 0 5mm LOADER SANYO SPACE CN503 CON CON2 DISPLAY 1234567 TRAY KEY 1234567 POWER SWITCH SD 520 11 lassification of Symptoms Common phenomenon classification 1 Key invalid Check Power line connect to 1 Connect again Normal POWER Check switch Check signal wire connect to Connect again Normal decoder board correct To decoder board service To KB board service 2 TV no voice Connect DVD left right channel to TV correctly Check audio wire between DVD player and TV Check 5 1ch signal wire Connect again connection ok Setup audio by referring to manual DVD audio setup correct To decoder board service 12 Press Setup menu video mode of the remote Check Loader signal wire connects to board correct Check flat ribbon connect to decoder board 13 Connect to TV correctly Press times normal Adjust loader Connect again normal Connect again normal Replace disc Check Loader wire connect to decoder board correct Connect agai
22. INN NICS Digital Paradigm Evolution Leader COMPACT f compact Kodak ee TI 0 0 jo mpecs Kodak D pouev PROGRESSIVE DIGITAL VIDEO DIGITAL AUDIO COMPATIBLE DIGITAL Zoran Solution DVD Service Manual AM Bh 7 RSK INTERNATIONAL LTD TABLE OF CONTENTS Terminology and 8 220 0 0 1 5 livelli ere iaia 6 9 Electrical Performance 48 2 10 DVD Box Block RE 11 General Classtication of 8 12 16 Software Update Method RC elia 17 Repair of Power gt SE ev Eae re Ea EE Da de gts 18 22 Repair of Decoder Board 23 34 Repair of Key BOSE 35 10 alli iva DN bp aU 36 11 System decomposition 3 D diagram oos orenunnenenrersserssese 37 12 Main point waveforms of Electronic components 38 bbreviations Terminology amp Abbreviations AC 3 The former name of the Dolby Digital audio coding system AC 3 followed AC 1 and AC 2 Still used in some standards documents Angle In DVD video a specif
23. R353 maso LEE coss GAZA one MM case coss Ting 20091 10 10 nF nF UIA 1 57 R359 1 ROS ssnour 7 1 3 APUL SR RA IRA MM ORI d BTa904 E ZORAN ZORAN Confidential e DCO ize Document Number Fev stot Back End Wasmesisy 577 7 sr When internal DAC W Karaoke W o Karaoke R328 R337 R338 NM 1 75 1 R463 R464 R465 75K 1 NM When external DAC Please refer to the option value in When external DAC Karaoke Refer to Vaddis 6 solution Value in is for external DAC
24. See table below Clearance distance When replacing primary circuit components confirm specified clearance distance d between soldered terminals and between terminals and surrounding metallic parts See table below d t eo Table 1 Ratings for selected areas Insulation Dielectric Clearance AC Line Voltage Region Resistance Steength Distance d d F 110 to 240 v USA Australia 4M 500VD 4kv minute 6mm d 110 to 230 v Europe Class II model only Note This table is unofficial and for reference only Be sure to confirm the precise values for your particular country and locality Leakage Current test Confirm specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See figure and following table Table 2 Leakage current ratings for selected areas Earth Ground AC Line Voltage Region Load Z Leakage Current i B to lt 0 7mA Antenna earth 2k ohm 2mA DC Terminal 100 to 130 v Europe SS ermina s 200 to 240 v Australia lt or 0 7m
25. al before checking the decoder board Check the power supply voltage has the normal wave 5V 12V 12V Check reset circuit reset at high electrical level Check crystal circuit 27MHz and sdram frequency 108MHz Decoder board repair flow chart Diagram not included 1 Key invalid or led display Check socket and plug connection Check CLK DATA STB wave out Check ZR966 PIN131 132 133 short circuit Replace ZR36966 N Connect correctly 27 CVBS no output audio tray door normal Check the video cord connection N connect correctly Check video setup software menu N Set to svideo Check L501 voltage between 1 0 0 2VPP use standard color band signal disc to test N Check whether L501 is damaged Y N Check L501 connected with ZR36966 pin 151 Check ZR36966 PIN151 output short circuit Replace IC ZR36966 28 coder Board YUV no output Audio normal Connect YUV correctly Set to component Check L502 L503 L504 voltage between 0 7 0 14Vpp Replace ZR36966 IC 29 Karaoke no output Check the microphone is ok N Y Check whether R430 R459 R460 is damaged Y N Check whether U309 is damaged Y N Replace U308 2632 30 No audio output connect correctly Check mute signal is minus voltage Check L APWM LL with Sin wave signal replace U301 Replace ZR36966
26. cial sensation from Japan where sufficiently inebriated people embarrass themselves in public by singing along to a music track Karaoke was largely responsible for the success of laserdisc in Japan thus supporting it elsewhere Kodak Picture CD Kodak Picture CD is a CD that contains your pictures in JPEG format jpg along with software that lets you view enhance share and print your pictures from your computer Some standalone DVD Players supports this format also but then only for viewing This format will also work on DVD Players that supports JPEG file viewing but you may lose some Kodak Picture CD specific features Kodak Picture CD Macrovision An antitaping process that modifies a signal so that it appears unchanged on most televisions but is distorted and unwatchable when played back from a videotape recording Macrovision takes advantage of characteristics of AGC circuits and burst decoder circuits in VCRs to interfere with the recording process 2 is an acronym for MPEG 1 or MPEG 2 Layer 3 audio encoding it is not an acronym for MPEG3 MP3 is a popular compression format used for audio files on computers and portable devices The compression in MP3 works on the basis of a psychoacoustic model which means that parts of the audio that human ears cannot detect are discarded by the encoder Although this is a LOSSY process it can yield very high quality audio files are relatively high compression rates A typica
27. compatible with most DVD ROM drives or DVD Video players It works well when set up like a removable hard disk DVD RW DVD RW is a ReWriteable media format of the DVD R standard DVD Video DVD Video is the video element of the DVD format DVD Demystified DVD Video Features DVD R term used to cover both the DVD R and DVD R standards in one word HDCD High Definition Compatible Digital HDCD is a patented encode decode process for delivering the full richness and detail of the original microphone feed on Compact Discs and DVD Audio HDCD has been used in the recording of more than 5 000 CD titles which include more than 250 Billboard Top 200 recordings and more than 175 GRAMMY nominations and account for more than 300 million CDs sold HDCD encoded CDs sound better because they are encoded with 20 bits of real musical information as compared with 16 bits for all other CDs HDCD overcomes the limitation of the 16 bit CD format by using a sophisticated system to encode the additional 4 bits onto the CD while remaining completely compatible with the existing CD format HDCD provides more dynamic range a more focused 3 D soundstage and extremely natural vocal and musical timbre With HDCD you get the body depth and emotion of the original performance not a flat digital imitation IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory the products are strictly inspected to conform with the recognized product safety and ele
28. ctrical codes of the countries in which they are to be sold However in order to maintain such compliance it is equally important to implement the following pre cautions when a set is being serviced Precautions during Servicing 1 Locations requiring special caution are denoted by labels and inscriptions on the rear panel and certain parts of the product When performing service be sure to read and comply with these and other cautionary notices appearing in the operation and service manuals 2 Parts identified by the symbol schematic diagram parts are critical for safety Replace only with specified part numbers Note Parts in this category also include those specified to comply with laser emission standards for Products using cathode ray tubes and those specified for compliance with various regulations regarding spurious radiation 3 Use Specified internal wiring Note especially 1 Double insulated wires 2 High voltage leads 4 Use specified insulating materials for hazardous live parts Note especially 1 Insulation Tape 2 PVC tubing 3 Spacers 4 Insulation sheets for transistor 5 Observe that wires do not contact heat producing PARTS heatsinks oxide metal film resistors fusible resistors etc 6 Check that replaced wires do not contact sharp edged or pointed parts 7 1 When a power cord has been replaced check that A mark is made on the cord under strain near the aperture and the flexible cord is s
29. ds for Super VideoCD A SVCD is very similiar to a VCD it has the capacity to hold about 35 60 minutes on 74 80 min CDs of very good quality full motion MPEG 2 video along with up to 2 stereo audio tracks and also 4 selectable subtitles A SVCD can be played on many standalone DVD Players and of course on all computers with a DVD ROM or CD ROM drive with the help of a software based decoder player SVCDHelp com S video A video interface standard that carries separate luma and chroma signals usually on a four pin mini DIN connector Also called Y C The quality of s video is significantly better than composite video since it does not require a comb filter to separate the signals but it s not quite as good as component video Most high end televisions have s video inputs S video is often erroneously called S VHS System menu main menu of a DVD Video disc from which titles are selected Also called the title selection menu or disc menu 3 breviations Title largest unit of a DVD Video disc other than the entire volume or side Usually a movie TV program music album or so on A disc can hold up to 99 titles which can be selected from the disc menu VCD VCD stands for Video Compact Disc and basically it is a CD that contains moving pictures and sound If you re familiar with regular audio music CDs then you will know what a VCD looks like A VCD has the capacity to hold up to 74 80 minutes on 650MB 700MB CDs respecti
30. ged Check other components Replace it 35 Power cord gt User s manu AV cord control Batteries SS Handle base Color box RIGHT LENS LOADER BRACKET gt iP KEY POWER BUTTON MIDDLE LEN CONTROL 5 aveforms of electronic components Reference waveform of key test point of power board TP1 27MHz XTAL TP2 SDRAM frequency 108MHz TPS CVBS TP4 AUDIO 1KHz 38
31. ic view of a scene usually recorded from a certain camera angle Different angles can be chosen while viewing the scene CD Short for compact disc an optical disc storage format developed by Philips and Sony CD DA Compact disc digital audio The original music CD format storing audio information as digital PCM data Defined by the Red Book standard CD G Compact disc plus graphics A variation of CD which embeds graphical data in with the audio data allowing video pictures to be displayed periodically as music is played Primarily used for karaoke CD R extension of the CD format allowing data to be recorded once on a disc by using dye sublimation technology Defined by the Orange Book standard Channel part of an audio track Typically there is one channel allocated for each loudspeaker Chapter In DVD Video a division of a title Technically called a part of title PTT Closed Caption Text captions for video which are not normally visible as opposed to open captions which are a permanent part of the picture In the United States the official NTSC Closed Caption standard requires that all TVs larger than 13 inches include circuitry to decode and display caption information stored on line 21 of the video signal DVD Video can provide closed caption data but the subpicture format is preferred for its versatility Component Video A video system containing three separate color component signals either red green blue RGB or chroma
32. l MP3 file encoded at 128 kbit s 12 1 compression is near CD quality MP3 audio is increasingly being used in video production coupled with various MPEG 4 video codecs like divx The audio may be encoded with a constant or variable bitrate Multiangle A DVD Video program containing multiple angles allowing different views of a scene to selected during playback Multilanguage A DVD Video program containing sound tracks and subtitle tracks for more than one language RGB Video information in the form of red green and blue tristimulus values combination of three values representing the intensity of each of the three colors can represent the entire range of visible light S N Signal to noise ratio Also called SNR SACD Super Audio CD is the next generation of audio disc offering full range uncompressed digital multi channel surround sound SACD can also be backward compatible using so called hybrid discs with an extra layer that allows them to be played on conventional CD players but then only with ordinary CD quality SACD can be played on SACD Players DVD Players with SACD support and if using hybrid discs also CD Players SACD is currently competing with DVD Audio as the new audio defacto standard Philips SACD information Subtitle textual representation of the spoken audio in a video program Subtitles are often used with foreign languages and do not serve the same purpose as captions for the hearing impaired SVCD SVCD stan
33. lly NOTES The whole process need about 4 minutes please make sure of no power off happened 3 CHECK THE SOFTWARE VERSION Press 1 6 4 number botton in NO DISC mode it will display the new software version number 17 DI 1n4007 107 TIA 250V 22u 400V D6 AM C6 PC817B D7 10uH 1A E 10u 50V CM EV 2 gt ond 4 5 flav 6 Title Size Number Revision 4 Date 30 Oct 2006 Sheet of File ADH Bn 4 18 ve r Board Repair of Power Board Power switch working principles The internal parts of main power switch IC DH321 IC1 consist of oscillation circuit error test and T ratio over current overheating protection under voltage and over voltage protection and power amp MOSFET For descriptions of pins and block diagrams of internal IC see appendix l Conversion from AC to DC circuit 240V 110V AC current flows restrictively through Cl fuse and L1 combines to be share mode and differential mode filter circuit filtering external disturbance and preventing internal electromagnetic radiation and through D1 D4 to combine as bridge rectification After C3 undergoes electrolytic filter we can obtain a
34. n normal Check flat ribbon connect to decoder board correct Connect again normal To decoder board service To KB board service Press Open Close on remote contro To KB board service the IR line of KB board has wave out To Decoder board service 14 Replace Adjust according to manual instruction Check optical coaxial connection to Adjust according to decoder device OK manual instruction Read disc and halt Disc scratched dirty N To decoder board service Replace clean disc 15 Judgment standard for loader damage When below phenomenon exist the loader may be damaged no spin no laser cannot open close tray normally main axis turning but no pickup focus or gliding cannot read discs Re When above phenomenon exists please try replacing loader to solve the problem 16 1 RECORDING UPDATING DISC Recording as a data disc containing belowed three files build img ginger release 4 0 dv34 1x16 bin update ver NOTES Don t change the name of file Use new CD R DISC Recording DISC type as DATA 2 UPDATING A Putthe DISC into the unit it will be reading automatically B When the information appeared on screen press RIGHT button to light the START and press ENTER button C The unit will read the data and it will be tray out automatically when it finished D After the tray out take off the disc After updating the tray in automatica
35. ndard This codec is so advanced that it can reduce an MPEG 2 video the same format used for DVD or Pay Per View to ten percent of its original size DivX com DVD RW DVD RW is a ReWriteable media format of the DVD R standard DVD Audio DVD Audio or sometimes called DVD A is a separate format from DVD Video It is a format specifically designed to provide the highest possible audio fidelity capable on DVD DVD Audio provides for audio in stereo and in multi channel surround in a wide range of specifications In addition to audio a DVD Audio disk can contain a limited amount of video which can be used to display text such as lyrics or notes DVD Audio can only be played on DVD Players with DVD Audio support most DVD Players do not support this format DVD Audio is currently competing with SACD as the new audio defacto standard DigitalAudioGuide DVD Audio FAQ DVD R DVD Recordable defines a standard for recordable DVD drives and media defined by the DVD Forum Often called minus R the format is write once compared to DVD RW wich can be erased and rewritten The single sided discs can hold 4 700 000 000 bytes 4 38 Gigabytes at 1024 bytes to the kilobyte with double sided discs holding twice as much There are no dual layer single sided recordable discs This format competes with the DVD R format DVDRhelp DVDR information DVD RAM recordable format supported by the DVD Forum It has superior recording features but it is not
36. s while a Dolby Pro Logic decoder uses tially independent of the recording or transmission format Both Dolby Djgital and MPEG audio compression systems are compatible with Dolby Surround audio DTS Digital Theater Sound A perceptual audio coding system developed for theaters A competitor to Dolby Digital and an optional audio track format for DVD Video DVCD Stands for Double Video CD pretty popular format in mainland China Format itself is nothing new really its just a regular VideoCD overburned to include 90 to 99mins per CD compared to regular 74mins per CD in standard VideoCD format DVD acronym that officially stands for nothing but is often expanded as Digital Video Disc or Digital Versatile Disc The audiofvideo data storage system based on 12 and 8 cm optical discs DVD R DVD Recordable defines a standard for recordable DVD drives and media defined by the DVDRW Alliance Often called plus R the format is write once compared to DVD RW wich can be erased and rewritten The single sided discs can hold 4 700 000 000 bytes 4 38 Gigabytes at 1024 bytes to the kilobyte with double sided discs holding twice as much There are no dual layer single sided recordable discs This format competes with the DVD Forum DVD R specification DVDRhelp DVDR information JPEG Joint Photographic Experts Group The international committee which created its namesake standard for compressing still images Karaoke Literally empty orchestra The so
37. ubjected 100times to a pull of 40N for a duration of 1 second each 2 During the test the cord shall not be displaced by more than 2mm Power Code or Power Cord 8 Also check areas surrounding repaired locations 9 The internal wiring is secured so as not to approach the heating parts and high voltage parts by its shape So these wires must be restored to its former state 10 After updated the hazardous live part or accessible part if the clearance or creepage distance cann t accord with the safe request then need adopt reinforced insulation method for ensure safety SAFETY CHECK AFTER SERVICING Examine the area surrounding the repaired location for damage or deterioration Observe that screws parts and wires have been reterned to original positions Afterwards perform the following tests and confirm the specified values in order to verify compliance wit atfety standards Insulation resistance test confirm the specified insulation resistance or greater between power cord plug prongs and externally exposed parts of the set RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc See table below Dielectric strength test Confirm specified dielectric strength or greater between power cord prongs and exposed accessible parts of the set RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc
38. vely of full motion video along with quality stereo sound VCDs use an encoding standard called MPEG 1 to store the video and audio A VCD can be played on almost all standalone DVD Players and of course on all computers with a DVD ROM or CD ROM drive with the help of a software based decoder player VCDHelp com YUV In the general sense any form of color difference video signal containing one luma and two chroma components Technically YUV is applicable only to the process of encoding component video into composite video WMF Windows Media Format files are audio video files encoded with the Windows Media Encoder providing high quality and media security for streaming and download and play applications on PCs set top boxes and portable devices Windows Media Format comprises Windows Media Audio and Video codecs an optional integrated digital rights management DRM system and a file container Microsoft WMF Information CVD China Video Disk a precursor to SVCD marketed since 1998 Resolutions are 352x480 NTSC 352x576 PAL 44 1khz audio unlike 1 2 D1 DVD that is the same resolution at 48khz audio Not all players will play CVD compatible players CVD Guide DivX DivX is a new format for digital video much like MP3 is a format for digital music DivX is the brand name of a patent pending video compression technology created by DivXNetworks Inc also known as Project Mayo The DivX codec is based on the MPEG 4 compression sta

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