Microvitec Series 3 Colour Displays Monitors Service Manual

							COMP REFMODELNO.PART NO.COMPONENT DESCRIPTIONC801CM105NL6100nF 250V METAL POLYESTER CAPACITOR 20% RADIALC802/804/806CP271GGO27pF 30V POLYSTYRENE CAPACITOR2.5% AXIALC803/805/807CP561GG056pF 30V POLYSTYRENE CAPACITOR  2.5% AXIALC808CD104YL610nF 2KV CERAMIC CAPACITOR 20% RADIALC810CM105NL6100nF 250V METAL POLYESTER CAPACITOR 20% RADIALC811CD104YL6          10nF  1-2KV CERAMIC CAPACITOR  20% RADIALC901CM105NL6100nF 250V METAL POLYESTER CAPACITOR 20% RADIALC902,904,906CP271GGO27pF POLYSTYRENE CAPACITOR 2.5% AXIALC903,905,907CP122GG1120pF POLYSTYRENE CAPACITOR 2.5% AXIALC910.911CD104YLS10nF 2KV CERAMIC CAPACITOR 20% RADIALC913CM105NL60.1uF 250V METAL POLYESTER CAPACITOR 20%D1-4DP4007UMOPOW ER RECTIFIER DIODE IN4007 MOTOROLA AXIALD5OP4005UMOPOW ER RECTIFIER DIODE IN4005 MOTOROLA AXIALD6DF0157UEOFAST RECOVERY DIODE BA157 MOTOROLA AXIALD7DF0159UEOFAST RECOVERY DIODE BA159 MOTOROLA AXIALD8, 10-14DS4148UTOSMALL SIGNAL DIODE IN4148 THOMPSON AXIALD11-13DS4148UTOSMALL SIGNAL DIODE IN4148 THOMPSON AXIALD15,16DP4002UMOPOW ER RECTIFIER DIODE 1N4002 MOTOROLA AXIALD17DF0159UEOFAST RECOVERY DIODE BA159 MOTOROLA AXIALD18DZ3875CFCOZENER DIODE BZY88C7V5 400mW 5% AXIALD20D279331FCOZENER DIODE BZX79C33V 400mW 5% AXIALD21DP4002UMOPOW ER RECTIFIER DIODE IN4002 MOTOROLA AXIALD22DF0159UEOFAST RECOVERY DIODE BA159 MOTOROLA AXIALD23DF0818UMOFAST RECOVERY DIODE MR818 MOTOROLA AXIALD24DF0157UEOFAST RECOVERY DIODE BA157 MOTOROLA AXIALD25,116DP4002UMOPOW ER RECTIFIER DIODE IN4002 MOTOROLA AXIALD101-107DS4148UTOSMALL SIGNAL DIODE IN4148 THOMPSON AXIALD108,110,111DZ79560FCOZENER DIODE BZX79C5V6 400mW 5% AXIALD108,110,111(1431AP/MS4)(1431AP/DS)(1431/AS)(1432/AS)(1431/MS4)(1431/BS)(1431/LS1)(1431/MB4)(1431/MZ3)(1431/MZ4)(1431/MR4)(1435/MS)(1436/LS1)(1436/MS4)(2030/CS5)(1439/AS)(1439/MS4)(1439/MS)(1451AP/DS)(1449/AS)DZ79430FCOZENER DIODE BZX79C4V3 400mW 5% AXIALD117DZ79121FCOZENER DIODE BZX79C12V 400mW 5% AXIALD118AS D108D201DF0157UEOFAST RECOVERY DIODE BA157 MOTOROLA AXIALD301DS4148UTOSMALL SIGNAL DIODE 1N4148 THOMPSON AXIALD302DP4005UMOPOW ER RECTIFIER DIODE IN4005 MOTOROLA AXIALD801-803DS4148UTOSMALL SIGNAL DIODE IN4148 THOMPSON AXIALD804DZ79750FC1ZENER DIODE BZX79C75 400mW 5% AXIAL 
						

							COMPREFMODEL NO.PARTNO.COMPONENT DESCRIPTIOND804(1441/AL)(1441/AS)(1441/MS)(1442)(1449/AS)(1241/AS)(1446/LF)(1446/LI2)(1241/AT)DZS8750FCODIODE BZY88C7V5D805-808DS4148UTOSMALL SIGNAL DIODE 1N4148 THOMPSON AXIALD901-906DS4148UTOSMALL SIGNAL DIODE IN4148 THOMPSON AXIALD907DZ79750FC1ZENER DIODE BZX79C7V5 400mW 5% AXIALD907(1496/LI2U)(1439/AS)(1439/MS)(1431AP/MS4)(1431AP/DS)(1431/AS)(1432/AS)(1431/BS)(1431/LS1)(1431/MZ3)(1431/MZ4)(1431/MB4)(1431/MR4)(1431/MS4)(1431/DS)(1436/LS1)(1436/MS4)(2030/CS5)(2031/CS5)(2031/AX)(2032/AM)(1456/LI2)(1451AP/MS4)(1451AP/DS)(1451/DS)(1451/MS4)(1451/MQ3)(1451/AS)DZ88750FCOZENER DIODE BZY88C7V5 400mW 5% AXIALD908 F1/F2KA2001BAOAS D805 !FUSE 2AMP (20mm) TIME DELAY 
						

							_____________TRIPLE STANDARD - PAL INTERFACE_________GENERALThe Triple Standard - PAL Interface Assembly is designed to interface between the Series 3 main chassis PCBassembly and the host system. It is designed to accept RS170 video signals (0.7v p-p video + 0.3v p-p mixed - VeSync into 75R). In wire-frame chassis format, output connections from  interface to main chassis PCB are made viahard-wired flexible leads and rnultiway plug-in connectors PL102 and PL103, located on the mam chassis.On some models,  an interface input  wiring harness lead assembly is provided. This is supplied with one end only ofthe harness term inated in a 17-way connector, the opposite wire ends being unterminated. Circuit details andconnections for this harness lead assembly are given in the accompanying diagram -  1 7-Wav Harness Connectionsand Table of Options.DOUBLE STANDARD/TRIPLE STANDARD INPUTSDepending on how the interface assembly is installed, input modes for either double or triple standards maybe accommodated as follows:1.         TTL and PAL Video Mode - Double Standard2.          TTL, 1 volt 75 ohm and PAL Video Mode - Triple Standard1.         Double Standard InputW hen wired as indicated in the diagram - TTL and PAL Video Modes are accommodated. Either oneof these two modes may be selected by a single pole change-over switch as shown in the diagram.2.          Triple Standard InputWiring details to accommodate Triple-Standard inputs and the various input options are givenin the 17-Way Harness Connections Diagram and the accompanying Table of Options.Suitable additional switching may be incorporated to accommodate the various options,depending on user require-ments.OPERATIONAL NOTES1.         PAL/Sync InputWhen this input (PL1-pin 16) is used as the separate sync input of a 1v/75R R.G.B. + sync videosource, the amplitude of the sync MUST BE between 0.2v p-p and 0.7v p-p, nominally 0.3v peakto peak. If the amplitude exceeds these values, an In-Line B.N.C. attenuator must be used.2.          Sync-On Green OptionSetting Plug Link TL1 on the PAL Interface PCB to Position 2, allows a sync-on-green 1V/75RRGB Video Source to be used.NB: Note that the Green 1V/75R video input (PL1-pin 12) now also becomes the PAL input.See wiring diagram and Table of Options.BRIGHTNESS CONTROL LIMITIf required - a resistor of 5K6 ohms 0.25W - may be incorporated in series with the brightness control to limitthe controls range of brightness variation - as shown in the diagram.AUDIO STAGEOn some versions of the interface, either single channel or twin channel audio amplifier stages may beincorporated, depending on model and specification.Inputs and outputs for the audio stage(s) are marked as left-hand channel (L) and right-hand channel (R) andare terminated in 2-pin connectors. Normally, only a single channel audio stage is provided in mostapplications.Audio input to the stage may be fed across a 47k gain control pot, with the slider taken to the audio stagesinput. 
						

							T SERIES CABINET - 14 INCH MODELA foam  polyurethane moulded cabinet incorporating a swivel base assembly T SERIESCABINET COMPONENT PARTSIDENT NO.PART NO.DESCRIPTION1PC5047I02FACIA. CABINET BEZEL MOULDING2PC5046I01CABINET COVER MOULDING3PC5045IO1CABINET BASE MOULDING4PC5044I01CABINET PLINTH MOULDING 
						

							M SERIES CABINET - 14 AND 20 INCH MODELSThis cabinet is an all metal, rugged construction. The 20 inch model was deleted from production in December1983.M SERIES CABINET COMPONENT PARTSIDENT NO.PART NO.DESCRIPTION1MC0066I04FACIA. CABINET BEZEL2MC0021I05CABINET TOP/SIDE ASSEMBLY3MC0019I03CABINET BASE ASSEMBLY4MC0094I03CABINET BACK ASSEMBLY 
						

							L SERIES CABINET - 14 INCH MODELThis cabinet is constructed of high density structural foam.  A modern compact design, available in different colours.L SERIES CABINET COMPONENT PARTSIDENT NO.PART NO.DESCRIPTION1PC0103I05FACIA. CABINET BEZEL2PC0104I02CABINET TOP/SIDE ASSEMBLY3PC0107I02CABINET BASE ASSEMBLY (MOULDED)4P00308I01CABINET BASE PANEL (MOULDED)5PC0105I01CABINET BACK ASSEMBLY6M00141I03INPUT AND CONTROLS BRACKET ASSEMBLY (METAL) 
						

							D SERIES CABINET - 14 INCH MODELThis cabin is injection m oulded, and is one of the latest designs offered in the MICROVITEC CUB monitor range and isavailable in different colours.D SERIES CABINET COMPONENT PARTSIDENT NO.PART NO.DESCRIPTION1PC0124I01FACIA, CABINET BEZEL2PC0125I01CABINET3PC0126I01HINGED DOOR4M00221I04INPUT BRACKET ASSEMBLY (METAL) 
						

							C SERIES CABINET - 20 INCH MODELThis cabinet is an all metal, rugged construction, incorporating carrying handles fitted on each side.C SERIES CABINET COMPONENT PARTSIDENT NO.PART NO.DESCRIPTION1PC0136I03FACIA, CABINET BEZEL2MC0137I04CABINET TOP/SIDE ASSEMBLY2MC0150I03CABINET TOP/SIDE ASSEMBLY (INCL. SPEAKER)3M00235I02CABINET BASE ASSEMBLY4MC0139I01CABINET BACK ASSEMBLY5PC0140I01BLISTER. FITTED TO CABINET BACK 
						

							COMP REFMODEL NO.PARTNO.COMPONENT DESCRIPTIONTR802,805,807902,904,906QS0787UM1NPN SILICON TRANSISTOR BF787-5 MOTOROLATR802,805,807902,904,906(1431/AS)(1432/AS)(1431/BS)(1431/LS1)(1431/MZ3)(1431/MZ4)(1431/MB4)(1431/MR4)(1431/MS4)(1431/DS)(1436/LS1)(1436/MS4)(1486/LI2U)(1435/MS)(1439/AS)(1441/AL)(1441/AS)(1441/MS)(1441/MS4)(1449/AS)(1241/AS})(1446/LF)(1446/LI2)(1241/AT)QS0869UAONPN SILICON TRANSISTOR BF869-5 MOTOROLATR802,805QS0869UAOTRANSISTOR BF869TR803,907QS4123UMONPN SILICON TRANSISTOR 2N4123 MOTOROLATR806QS0393W T1TRANSISTOR BF393 W 1TR807(1441)(1442)(1241/AS)QS0869UAOTRANSISTOR BF869TR902,904,906(1431AP/MS4)(1431AP/DS)(1496/LI2U)(1451/AS)(1451/DS)(1451/MS4)(1451AP/MS4)(1451/MQ3)(1451AP/DS)(1456/LI2)(2031/CS5)(2031/AX)(2032/AM)QS0869UAONPN SILICON TRANSISTOR BF869-5 MOTOROLATRIPLERET001QA1TRIPLER BG1897TY1,2QY0103UMOTHYRISTOR BR 103 MOTOROLA AXIALPCBBC0029106MAIN PCB ASSEMBLY SERIES 3 (6) 
						

							COMP REFMODEL NO.PART NO.COMPONENTDESCRIPTIONTR2QT002AXONPN DARLINGTON TRANSISTOR TIPL 753A (R3213)(1496/LI2U)(1431AP/MS4)(1431AP/DS)(1431/AS)(1432/AS)(1431/BS)(1431 /LS1)(1431/MZ3)(1431/MZ4)(1431/MB4)(1431/MR4)(1431/MS4)(1431/DS)(1435/MS)(1436/LS1)(1436/MS4)(1439/AS)(1441/AL)(1441/AS)(1441/MS)(1441/MS4)(1451/AS)(1451/DS)(1451/MS4)(1451AP/MS4)(1451/MQ3)(1451AP/DS)(1456/LI2)(2032/AM)(1486/LI2U)(1449/AS)(1241/AS)(1446/LF)(1446/LI2)(1241/AT)QP0753UXONPN TRANSISTOR TIPL753A (R321 3)HEATSINKA00007102LCCD HEAT SINK (SMPSU) ASSEMBLYTR2HEATSINKM00205I01HEATSINK REDPOINT TV3 SPECIALTR16QS0500UMONPN SILICON POW ER TRANSISTOR MOTOROLA BU500ORQS0500VXONPN SILICON POW ER TRANSISTOR TEXAS BU500TR16HEAT SINKA00008102LCCD HEAT SINK (LOPT) ASSEMBLYTR101QS0337UTONPN SILICON TRANSISTOR BC337-5 MOTOROLATR102QS4123UMONPN SILICON TRANSISTOR 2N4123 MOTOROLATR103-105QS4125UM5PNP SILICON TRANSISTOR 2N4125 MOTOROLATR106QS0337UTONPN SILICON TRANSISTOR BC337-5 MOTOROLATR201QS0460UMONPN SILICON TRANSISTOR BF460-5 MOTOROLATR201HEATSINKM00305I01HEATSINK REDPOINT TV3 SPECIALTR202QS0500UMONPN TRANSISTOR SIL BU500TR202HEATSINKM00205I01HEATSINK REDPOINT TV3 SPECIALTR301AS TR106TR801,804,806901,903,905QS0392UMONPN SILICON TRANSISTOR BF392 MOTOROLATR801-804(1441,1442)(1449/AS)QS0393W T1TRANSISTOR BF393.W 1