Akai DVLX44C1 Service Manual Download | Manualshive

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Summary of Contents for DVLX44C1

Page 1: ...o Labs Inc 6185 Paseo del Norte Suite 200 Carlsbad CA 92009 10 December 2004 Revision Summary Section Change Synopsis Revision 0 0 32 October 2004 I Initial release Revision 0 1 VVY 2004 I Revision 0...

Page 2: ...e control test 7 7 Running the front panel keypad test 7 8 Reverting to user mode and finishing the test 8 Load and Run Operational Software 9 Run Maintenance Menu BIT 10 Run Calibration Procedure Fig...

Page 3: ...ly Otherwise there is a possibility of fire or damage to the TV 5 Ii there is smoke abnormal smell or abnormal sound from the TV turn off the power immediately 6 To avoid overheating do not block any...

Page 4: ...ive product differentiation in appearance 3 Product AfChitecture This section provides details of the DVLX4xCx architecture 3 1 Critical SubMsomblies Figure 2 shows the Crrtical Subassemblies of the D...

Page 5: ...of the most costly subassembly the main enclosure is designed to allow for the use of optical engines from at least two different optical engine supphers 5 In order to provide AKAI with the ability t...

Page 6: ...0 0 fJ r Audio 0 Subsystem I DDD D Vido o Tuner Power E ndo t IF I Spea er I Bo Nl Board Supply Fa n 0 I Audio I Board I 0 I I I J 1 0 Panill Control Boa rd Speaker I I J Remote Controller Figure 2 DV...

Page 7: ...ultiple audiolvideo sources assembled Irom mu iple PCs and DVD players along WITh a barcode reader The DVLX4xCx UnIT Under Test UUT is connected to the test equipment in the test environment as shown...

Page 8: ...e Microsoft Windows XP or Windows 2000 operating system and with the following programs and binary files installed on the hard disc a PC application diagnostic support software Diagnostic exe b DVLX4x...

Page 9: ...ators to the following DVLX4xCx rear panel inputs a The DVD player s S Video output to the RF modulator the RF modulator s output to the ANT A input with a coaxial cable b The DVD player s Video outpu...

Page 10: ...the flowchart for identification wah speCific remedy actions Table 2 Service Checklist Symptom Possible Problem Remedy Action Reference Image problems o Section 7 a Settings menu selection in the Oper...

Page 11: ...eplace Tuner ACBL09 cable SPN 6 Table 4 No sound normal beeper Audio Board fault finer or mux Cable fault Replace Audio Board Replace Audio Board ACBL10 ACBL11 cables SPN 6 Table 4 Fan malfunction Fan...

Page 12: ...C 1 L oadI Ir Wall 10 MCO l5 Plug JUT lito 110 lAC Unp4yg UU T flom 110 vAC launch pC fI ih LoadIIr W8111C M ClOnds PilJfiJ JUT Into 110 VAC A rIDM C I I l t1pIug uurfr CIrn 110 VAG Opom ooJcs lJnp ug...

Page 13: ...Ikl Reo Ui POWER B vnon onWT Nonnal Rnwnoo lJUT Erters Tt WJt On MiXIe WT PO NER La Fleshir IjJ Gceen no Norma Rf MOMf UlJT Tl ms On WT f MgO La On Sold GfMn W T TIM IlId On PI t bm tmnnc n o ab Oiscc...

Page 14: ...10 leal E 9fncf l PQw 6f S f QI1l110 lAC COI ll18G I AI OpIicaJ EngIne C3bitl rom gen h V ideo Boarel PI v oef Supply Plug Benc h Power S4JppIr intO 110 lAC Repl ceCa Figure 8 Service Procedure Flowc...

Page 15: ...selectable and correspondingly not shaded Use the Browse button to find tile file to be loaded Once a file is selected rt wiHappear in the bottom area and Ihe Start button will be selectable and not s...

Page 16: ...Oplus l4 hnolOlJiotS UK nil i thl re Y lin On the PC run file Diagnostic exe You will see the following menu asking for the UUT serial number DVLXFCT PN SN When you press OK the following menu appears...

Page 17: ...Control Board and LED Board Replacement Procedure Section 5 3 See E Box Contents Replacement Procedure Section 5 1 See E Box Contents Replacement Procedure S on 5 1 4th picture See E Box Contents Rep...

Page 18: ...fans will continue to blow for several minutes afler turning the power off 2 Use a screwdriver to remove the six 6 SCfews fastening the lamp door which is the panel with louvers located on the b ck of...

Page 19: ...tical Engine ine J3 J1 J6 Cable JDSU connector AC8L01 J1 ACBL04 J3 ACBL07 J6 Disconnect Ballas connect from Power Supply Zeiss Optical Eng i ____ ne J3 J2 J1 Cable Zeiss connector ACBl 02 J1 AC8L06 J2...

Page 20: ...04 J3 CON1 Connect Ballast to bench Power Supply Zeiss Optical Engine Cable Zeiss connector Bench Video Board Bench Power SUDply ACBL02 J1 J15 ACBL08 J2 J25 ACBL06 J3 J26 CON1 Connect Ballast to bench...

Page 21: ...Rear Projection TV Service Manual SPN Description JDSU 0 ical Engine Zeiss Optical Engine service manual i DVLX ConfidenUal IJ...

Page 22: ...Box Disassembly Board RepIacGfnont Prooedure The narrated photos give a detailed descnption of the procedure for disassembly E Box and replacement of the following electronics boards 1 Power Supply 2...

Page 23: ...over With E Box Cover partially open disconnect the Cacles from the electronics boards Pass the Power Supply output cable through the cable opening on the E Box Cover Remove E Box Cover E box Power Su...

Page 24: ...Rear Projection TV Sorke M lnual CON2 2 pins CON1 9 pins 12 v 3 3 v SItN1C8 n al i OVl X Confidential 24 10 0 0 ma...

Page 25: ...he old lamp cartridge within the reach of children 6 Insert a new lamp cartridge obtainable from your dealer electronics supply stores which must be the same type as the original lamp cartridge to avo...

Page 26: ...k view of the Front Bezel showing the LED Board and the ConUol Bo a LED Board Control Board 6 DVLX4xCx Dlagnosllc Software Downloading and Operation 6 1 Downloading the Diagnostic Software into the DV...

Page 27: ...t from 110 VAC 6 2 Running the Diagnostic Software 1 Connect the DVLX4xCx unitto 110 VAC 2 From the main PC launch the BITexe file 3 Enter the Serial Number or read from barcode reader 4 Press Star on...

Page 28: ...s you can press the MENU burton to display the maintenance menu again Info There are 2 boxes on the right side of the caption Maintenance Menu The first one denotes the version of the Operational SofI...

Page 29: ...adjust the horizontal alignment by pressing the I or the buttons respectively 10 Press OK Mlen done to accept the adjustment 11 Go to the button named Vertical Offset Press OK button A slider will app...

Page 30: ...Go to the Remote Control Test caption of the maintenance menu by using the cursor buttons on the remote control 2 Press OK on the remote control to start the remote control test 3 Immediately a small...

Page 31: ...trol butlon labeled OK The screen should disappear immediately Imoortantl When the front panel keypad test is running the ONLY way to stop the test is to press the remote control butlon labeled OK The...

Page 32: ...must use End Maintenance to return to the Operational On Screen Display OSO Menu Figure 14 Maintenance Menu 10 Run Calibration Procedure All commands in this procedure are entered on either the TV Rem...

Page 33: ...same In the beginning don t change the setting Press TV OK to close the s liding bar Pro DVD to close he split image screen Brlghtn s Adjustment 8 From the DVO pOp lp menu acroll to highlight 2 rightn...

Page 34: ...nd gray image witt tne fabel graysc afe M on the screen 25 Press TV MENU scroll to highlight VIDEO FINE TUNING press TV OK scroll to highlight VIDEO FINE TUNING press TV OK scroll to highlight GRAYSCA...

Page 35: ...WITOli G MODE POWER SUPPLY SPECIFICATION Model No HP U2830XC Issue CNTRL NO Description Dale Approved CQRA R D Saleh Sales IsslIed by Ellgilleer Prepared by Int Model No SPEC NO SSUE PAGE Rl U2830XC A...

Page 36: ...RISTICS 2 1 DC OUTPUT VOLTAGE __ 5 2 2 DC OUTPUT CURRENT 5 2 3 CROSS REGULATION 5 2 4 RIPPLE AND NOISE 5 2 5 HOLD UP TlME 6 3 0 EFfiCIENCY 6 4 0 PROTECTIO REQUIREMENTS _ 6 4 1 SHORT CIRCUIT PROTECTION...

Page 37: ...HIPRO 6 3 Construction Spccittcation of the Power Supply 7 7 0 LlGIil ING SURGE 7 8 0 REUABILITy _7 9 0 BURN IN 7 InLModei No SPEC NO ISSUE PAGE A 3 OF 7 HP U2830XC...

Page 38: ...50 60 63 HZ 1 3 AC INPUT CURRENT SA Ma imuDl IlSVnns 1 4 PHASE The switcher is being ronnected to single phase power system 1 5 ISOLATION ruGH POTENTIAL TESTlNG 1 5 1 AC Input to DC ootput IIi Pot I S...

Page 39: ...0 0 0 6 Amps 2 3 CROSS REGULATION 380V 2 SV 3 3V 12V 5V UNITS 0 6 2 S 2 0 3 0 1 0 Amps 0 0 01 0 4 0 5 0 01 Amps 0 6 2 5 0 4 3 0 0 01 Amps 0 2 5 2 0 O S O ol AmDs 0 6 2 5 2 0 0 5 1 0 AnlIlS 0 0 01 2 0...

Page 40: ...___ 2 S BOLD UPTIME 8 33ms TypkaJ witb run load Rated Qutput and at 240Vrmsl60HZ input ae line_ 3 0 EFFlClENCY Tbe switcher at rullload provide dc conversiQn CfT lCiency 80 minimum at 220V AC input vo...

Page 41: ...none BSM I 6 2 EMl Only refcreoce Tbe power supply meet the undard of FCC cIlIS i A ENSS022 Class A 6 3 ColL tTuction Specification of tbe Power Supply 6 3 1 Mechanical Dimension L 170 W 70 H 35 rom...

Page 42: ......

Page 43: ...Tuner Board Design o o Table Of Content 01 Cover 02 Tuner cl Ie al 16 m Tuner Eloard t mign Number A glial Vidoo Labo 6185 Pl odel eo_ CA 92cm A...

Page 44: ...C I R2 c hj 2 01 O UF C4 T UF 1 5 a1UF 61 22 12 01UF 7 tONH CV J C7 otUf J y 12C BUS SLAVE nORESS Oxeo n I v L3 rv ON R 22 Pas leg R5 OlUF C1I T C O I 221 l00uF R7 V i 1 7 Q1UF 201 Dgl 1VIdeo Lab8 fI...

Page 45: ...r I j l i Is 1 I di a Jf r ii Ii t R 11 Ir M l1 J E I r Ii I 1 i q 1 Ji lr h I t II i j u 7 J c f L i M...

Page 46: ...i I r L 4 l 1 r t r r I o J i I 11 I reI 11 f I I I I I N i 1 I...

Page 47: ...__ ________________ u...

Page 48: ...f I II t i I 1 t I I I I i II I r 0 III it I I 61 1 I I i rt I I I I I u I I I l U I XI 10 iii I...

Page 49: ...I I N l I t I l _I S I i ll 8 r j 1 U I j J III g...

Page 50: ...I II l P I d I J n l r 1 a i I I I c I I I 1...

Page 51: ...I I I Ii i j E I l 1 i I h I I t l I 1 J 1t 11 t I t...

Page 52: ...I 1 i r 8 1 Z t I N I j o i _ 0 ii i I I 5 E u d I o...

Page 53: ...r i f Q J U II 1 I 1o Sallt f i n p I I t g c...

Page 54: ...I 1 I I dl I l It o o I J CD II r tI fIill...

Page 55: ...i I I II t E p I h 1 I Ji I iID J...

Page 56: ...Il i8gi I iilii i I i iii B8 fgi ill t 8 8B I i Uj I II I I I I S l i II 0 i 0 g f c C r _ u 40 l I ce u 0 0 J I I I I lZ C U c c c 1 w 0 I 00 cu N 0 c m l 1I o W Q l 10 1 III III Il oIJ 0 0 c o 1l j...

Page 57: ...U ToQIJTl_ n r l aN U gIt 1oiQ _I lllDS QNJ NIl flIOI IJ _ roO lD I T aJalUI hlliitt 1 IOUQ r__ foOUn QJCI L rollQll Pu QI D rolloQl r if ll I_ 5 1111 I ote RM102 O j t 4 _1 ahou J b w nI j 1n 111 15...

Page 58: ...0 L o JII c w 3 OO I U A t p s e i dte I I I l f JII 1 III i 1Mj Ii _ 4 c e Tt t rlflin L tl t lII1 lt t l h uld willi t ec j lot an 12 p n connect or i rerTIO j PH OF gfl l l h w ld b 11 1 1 1 0 1 t...

Page 59: ...I I i 1 illa la r Yi St c_J...

Page 60: ...I r s I I J PII t l I t 0 j 1 i 8 T l Ii Gil l 4 1 l J I l t i ih I I t HI I ii I...

Page 61: ...I rr rei rJ 1f l1J 05I t E _ _ _ 0 _ _ _ _ 0 i t u a it I I 11 lJt i It it l i i r I I It HJ f f F g I g 0 l O t n j r of J J J r r q I r I H I i 1 If j t 1 1 r J f f 4 I r I I J I i J I...

Page 62: ...o c I CD Q 0 AS 0 a I l C c CD 0 U c Ij j p Q 0 s cv UEo M E t l M N Eo 00 0 0 m...

Page 63: ...g E h 1 U F or g i I 1t n R Z1 R2 2 J cs C Note Connec t t une holding pi nS_1 t o GNO AF J2 F1 G 2C BUS SIJ VE ADDRESS OxCO v L3 rY ONH R4 22 C I CH R5 6POS OllJF C11 22K L 1 2 co F I 01UF II I R7 L4...

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