Wang PC 380 Maintenance Manual Download Page 44

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Summary of Contents for PC 380

Page 1: ...is restricted solely to assisting you in servicing Wang products Neither this document nor its contents may be disclosed copied revealed or used in whole or in part for any other purpose without the...

Page 2: ...the PC 380 computer 1n the field First Edition July 1987 This is the first edition of the PC 380 Product Maintenance Manual The material in this document may only be used for the purpose stated in th...

Page 3: ...Page 1 1 SCOPE AND PURPOSE 1 1 1 2 ORGANIZATION AND LAYOUT 1 2 SECTION 2 IDENTIFICATION Page 2 1 MAJOR ASSEMBLIES 2 1 2 2 ELECTRONICS ENCLOSURE MAJOR PARTS 2 2 2 3 WORKSTATION MONITOR MAJOR PARTS 2 3...

Page 4: ...ics Enclosure Front Panel Indicators 3 6 3 3 SERVICE CONTROLS 3 7 3 3 1 Electronics Enclosure CPU Board Controls 3 7 3 3 2 Electronics Enclosure Winchester Disk Floppy Diskette Controller Board Contro...

Page 5: ...3 14 3 4 2 Video Adapter Plate Monitor and Keyboard Test Points 3 15 3 4 3 Floppy Drive Voltage Test Points 3 16 3 4 4 Winchester Drive Voltage Test Points 3 17 SECTION 4 OPERATION Page 4 1 POWER UP...

Page 6: ...1 6 2 POWER UP DIAGNOSTIC BUILT IN TEST 6 2 6 2 1 Built in Test B l T Description 6 2 6 2 2 B l T Error Messages 6 3 6 2 3 B l T Error Beep Codes 6 5 6 3 DIAGNOSTIC UTILITY 6 7 6 3 1 Diagnostic Utilit...

Page 7: ...sure Top Front Cover Removal 7 2 General Board Removal 7 4 Floppy Diskette Drive Removal 7 6 Winchester Disk Removal 7 8 Power Supply Removal 7 9 80287 Coprocessor Removal 7 11 CPU Board Removal 7 12...

Page 8: ...CONTENTS SECflON 8 ADJUSTMENTS Page 8 1 TOOLS AND EQUIPMENT 8 1 8 1 1 Special Tools 8 1 8 2 MECHANICAL ADJUSTMENTS 8 2 8 2 1 Mating Arm Adapter Plate to Monitor Arm 8 2 741 1793 Page viii COMPANY CONF...

Page 9: ...h 9 5 CPU Board Monitor Type Jumper 9 E CPU Board Serial Port Jumper Settings 9 7 CPU Board Parallel Port Jumper Settings 9 8 CPU Board Memory Configuration Jumper Settings 9 9 CPU Board Math Coproces...

Page 10: ...ttings 9 23 9 4 CONNECTIONS 9 30 9 4 1 Electronics Enclosure Board Locations 9 30 9 4 2 Winchester Disk Floppy Diskette Cabling Connections 9 31 9 4 3 Electronics Enclosure 1 0 Connections 9 32 9 4 4...

Page 11: ...6 4 Winchester Drive C Installation 9 44 9 6 5 Full Height Winchester Drive D Installation 9 45 9 6 6 Half Height Winchester Drive D Installation 9 46 9 6 7 Installing Single In Line Memory Module SIM...

Page 12: ...TABLE OF CONTENTS SECTION 11 SPECIFICATIONS Page 11 1 HARDV ARE 11 1 SECTION 12 ILLUSTRATED PARTS Page 12 1 SYSTEM COMPONENTS 12 1 741 1793 Page xii COMPANY CONFIDENTIAL...

Page 13: ...J...

Page 14: ...SECTION 1 CONTENTS SECTION 1 INTRODUCTION Page 1 1 SCOPE AND PURPOSE 1 1 1 2 ORGANIZATION AND LAYOUT 1 2 741 1793 COMPANY CONFIDENTIAL...

Page 15: ...oting and repair information for the Wang PC 380 IBM compatible computer The manual s purpose is to provide Customer Engineering personnel with the information necessary to install and repair the PC 3...

Page 16: ...contained in a frame or frames Each frame comprises illustrations num bered steps and or text to describe the actions required to accomplish each task References to other frames are indicated by an a...

Page 17: ......

Page 18: ...SECTION 2 CONTENTS SECTION 2 IDENTIFICATION Page 2 1 MAJOR ASSEMBLIES 2 1 2 2 ELECTRONICS ENCLOSURE MAJOR PARTS 2 2 2 3 WORKSTATION MONITOR MAJOR PARTS 2 3 741 1793 COMPANY CONFIDENTIAL...

Page 19: ...2 1 Major Assemblies 741 1793 Page 2 1 IDENTIFICATION ELECTRONICS ENCLOSURE MONITOR KEYBOARD COMPANY CONFIDENTIAL...

Page 20: ...arts LITHIUM BATTERY POWER SUPPLY VIDEO ADAPTER PLATE CPU BOARD SOCKETS FOR OPTION PCBs 741 1793 KEYLOCK SPEAKER CPU BOARD Page 2 2 1 2MB FLOPPY DISKETTE DRIVE OPTIONAL DISK DISKETTE DRIVE S POWER ON...

Page 21: ...ONITOR SCREEN MONITOR POWER AND BRIGHTNESS CONTROL KNOB POWER ON PRESS SO BUTTON PROTRUDES GREEN RING ENCIRCLING INSIDE OF BUTTON WILL SHOW Page 2 3 PHILLIPS SCREW CONTROLS TENSION OF TILT CONTROL STI...

Page 22: ...I...

Page 23: ...ronics Enclosure Front Panel Indicators 3 6 3 3 SERVICE CONTROLS 3 7 3 3 1 Electronics Enclosure CPU Board Controls 3 7 3 3 2 Electronics Enslosure Winchester Disk Floppy Diskette Controller Board Con...

Page 24: ...4 SERVICE INDICATORS 3 14 3 4 1 Power Supply DC Voltage Test Points 3 14 3 4 2 Video Adapter Plate Monitor and Keyboard Test Points 3 15 3 4 3 Floppy Drive Voltage Test Points 3 16 3 4 4 Winchester D...

Page 25: ...and Function Push button applies or removes power from the system initiates B l T power up diag nostics and Initial Program Load Locked position prevents removal of top front cover and locks keyboard...

Page 26: ...s Enclosure Rear Panel Controls Item 1 741 1793 Name Voltage Select Switch 11 5 Vac shown Type and Function Slider type switch selects ac operating voltage of 115V or 220V determined by available line...

Page 27: ...Monitor Controls Front Item Name 1 Power Switch and Brightness Control 741 1793 D Type and Function Push button potentiometer type control applies and removes power from monitor and adjusts display br...

Page 28: ...2 Tilt Control Screw 3 Tilt Control Stick 741 1793 0 Type and Function Potentiometer type control adjusts con trast of monitor display Phillips head screw adjusts spring loaded tension of monitor tilt...

Page 29: ...Keyboard Clicker Control 0 Type and Function Potentiometer type controls adjusts key board tilt and height Slider type switch sets keyboard compati bility mode AT or PC XT Mode control not present on...

Page 30: ...oppy Disk Drive Activity LED Winchester Disk Drive Activity LED System Power LED D Type and Function LEO amber illuminates to indicate activity on floppy disk drive LED red illuminates to indicate act...

Page 31: ...no chrome or color monitor This jumper is ignored when monochrome color EGA video board is installed Jumper block containing pins E28 E36 used to identify number and size of expanded memory boards ins...

Page 32: ...block pins E46 E49 select whether math coprocessor is installed J mper block pins E13 E18 identify ROM size Jumper block pins E1 E3 select whether reset signal is sent to keyboard when system is reset...

Page 33: ...Address Selection Jumpers 3 Drive Type Jumpers 741 1793 i a I a Type and Function Slider type 8 bit switch bank may be set so board controls Winchester and floppy drives or Winchester only Jumper blo...

Page 34: ...hrome Color EGA Video Board Controls Item Name 1 Monitor 741 1793 Identification Switch I _ D Type and Function 6 bit rocker type switch bank designates type of workstation monitor used mono chrome st...

Page 35: ...rols Item Name 1 Board Address Switch SW1 2 PROM Enable Switch SW2 3 Interrupt Jumper 741 1793 Type and Function 10 bit rocker type switch sets board address 5 bit rocker type switch enables disables...

Page 36: ...Level Switch SW1 A 3 Interrupt Level Jumper 741 1793 e Type and Function 10 bit rocker type switch sets synchronous asynchronous serial port bus 1 0 address 4 bit rocker type switch sets bus 1 0 addre...

Page 37: ...ion Switch SW3 Existing Memory Switch SW2 Type and Function 10 bit rocker type switch sets board I CJ hex address 4 bit rocker type switch used to allocate expanded memory as non paged and paged memor...

Page 38: ...tage Test Points Item Name 1 Power Supply DC Voltage Test Points 741 1793 POWER SUPPLY CABLE CONNECTOR TEST POINTS 5v zov 12V Type and Function Power supply cable connector that attaches to power supp...

Page 39: ...oard Test Points Item Name 1 Monitor and Keyboard Voltage Test Points 741 1793 5V 5V 1 av Type and Function 8 pin connector on video adapter plate con tains voltage test points for checking key board...

Page 40: ...Voltage Test Points Item Name 1 Floppy Drive Voltage Test Points 741 1793 5V 12V Type and Function Power cable connector on floppy drive con tains voltage test points for checking floppy drive voltag...

Page 41: ...age Test Points Item Name 1 Winchester 741 1793 Drive Voltage Test Points POWER CABLE CONNECTOR 12V N 5V Type and Function Power cable connector contains voltage test points for checking Winchester dr...

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Page 43: ...age 4 1 POWER UP AND 8 1 T DIAGNOSTIC PROCEDURE 4 1 4 2 CHANGING SYSTEM SPEED 4 3 4 3 POWER DOWN PROCEDURE t t I I t I I I I I I I I I I I I I I I 11 I I I I I I I I I I I I I I I I I I I I I t I I I...

Page 44: ...ess control to out setting green ring around power and brightness control shows 8 Turn key clockwise to unlocked position G 1nsert diskette into floppy drive A if starting from floppy drive leave flop...

Page 45: ...through diagnostic built in tests To bypass memory diagnostics press keyboard space bar 8 Enter date and time Cl Power on peripherals NOTE Upon successful 8 1 T completion system generates one beep an...

Page 46: ...tem opera tion is available however for applications requiring a slower clock speed To enable deturbo mode simultaneously press the following keys CTRL ALT 1 To disable deturbo mode simulta neously pr...

Page 47: ...t from program i e cancel back to main menu before executing power down procedure OPERATION D Power off peripherals fl Press power on off switch on electronics enclosure green LED next to power on off...

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Page 49: ...SECTION 5 CONTENTS SECTION 5 PREVENTIVE MAINTENANCE Page 5 1 PM SCHEDULE 5 1 741 1793 COMPANY CONFIDENTIAL...

Page 50: ...5 1 PREVENTIVE MAINTENANCE PM Schedule Replace the lithium battery every two years 7 2 8 741 1793 Page 5 1 COMPANY CONFIDENTIAL...

Page 51: ......

Page 52: ...BUILT IN TEST 6 2 6 2 1 Built in Test B l T Description 6 2 6 2 2 B l T Error Messages 6 3 6 2 3 B l T Error Beep Codes 6 5 6 3 DIAGNOSTIC UTILITY 6 7 6 3 1 Diagnostic Utility Description 6 7 6 3 2 R...

Page 53: ...t the PC 380 computer include a standard CE tool kit a DVM and diagnostic test routines The diagnostic routines are contained on diskettes and should be used when troubleshooting at the customer s sit...

Page 54: ...provides fatal and non fatal error indications that allow isolation of subassembly fail ures The 8 1 T executes automati cally when the PC 380 is powered on Invalid configuration data or hardware mal...

Page 55: ...line failure Keyboard controller failure Keyboard data line failure Keyboard stuck key failure Memory address line failure at XXXXX read XXXXX expecting XXXXX Memory data line failure at XXXXX read X...

Page 56: ...retry boot No timer tick Not a boot diskette strike F1 to retry boot XXXXX optional ROM bad checksum XXXXX Shutdown failure Time of day clock stopped Timer chip counter 2 failed Timer of interrupt con...

Page 57: ...rd 1 1 4 BIOS PROM on CPU board 1 2 1 CPU board 1 2 2 CPU board 1 2 3 CPU board 1 3 1 CPU board 1 3 3 CPU board 1 3 4 CPU board 1 4 1 CPU board 1 4 2 CPU board 2 1 1 CPU board 2 1 2 CPU board 2 1 3 CP...

Page 58: ...2 4 1 CPU board 2 4 2 CPU board 2 4 3 CPU board 2 4 4 CPU board 3 1 1 CPU board 3 1 2 CPU board 3 1 3 CPU board 3 1 4 CPU board 3 2 4 CPU board 3 3 4 Video board 3 4 1 Video board 3 4 2 Video board 4...

Page 59: ...rive perform the follow ing steps 1 Boot system from Winchester drive 2 Insert diagnostic diskette into drive A 11 3 Type SYS A 11 when DOS prompt appears 4 Press RETURN key To make the diagnostic dis...

Page 60: ...ppear 4 Use keyboard INSERT and DELETE keys to deselect unwanted tests INSERT key positions arrow in front of test to be deselected DELETE key dese lects test 5 Press keyboard EXEC key While test exec...

Page 61: ...ware Troubleshooting Action Check voltage at electrical outlet Source voltage 0 K Check continu ity of ac power cord replace if bad Source voltage incorrect Try another outlet if voltage still bad inf...

Page 62: ...lace CPU board if system does not emit error beep codes If system emits beep codes after all Wang boards except CPU board have been removed replace Wang boards one at a time until faulty board isolate...

Page 63: ...11 A1 1 and boot from hard disk Replace diskette drive 11 A11 if MS DOS loads properly Replace Winchester floppy controller if MS DOS does not load Replace CPU board If system not configured with Win...

Page 64: ......

Page 65: ...Enclosure Top Front Cover Removal 7 2 General Board Removal 7 4 Floppy Diskette Drive Removal 7 6 Winchester Disk Removal 7 8 Power Supply Removal 7 9 80287 Coprocessor Removal 7 11 CPU Board Removal...

Page 66: ...7 1 Tools and Test Equipment Wang CE tool kit WLI No 726 9401 agnostic disk P N 732 8098 package number 195 5537 9 741 1793 Page 7 1 REPAIR COMPANY CONFIDENTIAL...

Page 67: ...nclosure Top Front Cover Removal Sheet 1 of 2 D Power down workstation 4 3 8 Disconnect workstation ac power cord 420 2040 from inlet 741 1793 Page 7 2 U Unscrew Phillips head screws that secure top c...

Page 68: ...Enclosure Top Front Cover Removal Sheet 2 of 2 D Unlock keylock remove key 741 1793 Page 7 3 11 Slide cover approximately 1 inch toward front of electronics enclosure Cl Gently lift cover to separate...

Page 69: ...val Sheet 1 of 2 D Power down workstation 4 3 8 Remove top front cover 7 2 1 II Unscrew and remove Phillips head screw that secures board fastening access plate to electronics enclosure 741 1793 BOARD...

Page 70: ...oval Procedures REPAIR 7 2 2 General Board Removal Sheet 2 of 2 D Disconnect any cables that attach to board that is to be removed 741 1793 Page 7 5 8 Lift board from CPU board socket s COMPANY CONFID...

Page 71: ...3 Floppy Diskette Drive Removal Sheet 1 of 2 D Power down workstation 4 3 8 Remove top front cover 7 2 1 741 1793 Page 7 6 8 Disconnect grounding strap power cable and control cable from connecto son...

Page 72: ...7 2 Removal Procedures REPAIR 7 2 3 Floppy Diskette Drive Removal Sheet 2 of 2 741 1793 Page 7 7 II Press guide rails inward and gently slide pull drive out of enclosure COMPANY CONFIDENTIAL...

Page 73: ...tion 4 3 0 Remove top front cover 7 2 1 8 Press guide rails inward and pull drive forward 1 to 2 inches 741 1793 Page 7 8 D Disconnect grounding strap power cable and data control cables from connecto...

Page 74: ...ar of floppy drive s and Winchester disk unit Disconnecting cable from drives might require partial removal of drives from enclosure 7 2 3 7 2 4 NOTE If accessing power supply connectors is difficult...

Page 75: ...secure power supply to enclosure rear plate ClGently lift flat cable harness off holder that is attached to side of power supply HOLDER SUPPORTING CABLE HARNESS u 8 Slide power supply approximately 1...

Page 76: ...er 7 2 1 D Remove Winchester drive C 7 2 4 8 Unscrew screw that secures coprocessor to CPU bo rd 741 1793 Page 7 11 8 Lift coprocessor from CPU board socket by pulling directly upward on module to ens...

Page 77: ...7 2 1 Disconnect monitor cables from video adapter plat connector and video board connector IJ Disconnect video adapter plate cable from CPU board connector J1 7 2 11 0 Remove boards from CPU board so...

Page 78: ...onnector J22 lt7 2 9 8 Disconnect keylock power switch harness cable from CPU board connector J23 It 7 2 10 G Disconnect serial parallel port panel cables from CPU board connectors J 12 and J 11 lt7 2...

Page 79: ...um battery cable will result in erasure of CPU CMOS RAM Run SETUP program 0 Disconnect lithium battery cable from CPU board connector J10 NOTE If accessing connector proves difficult remove board clos...

Page 80: ...over 7 2 1 8 Remove board closest to Winchester disk to access speaker cable connector 7 2 2 741 1793 Page 7 15 REPAIR D Disconnect speaker cable from CPU board connector J22 8 Unscrew and remove Phil...

Page 81: ...power switch assembly cable from CPU board connector J23 0 Disconnect keylock power switch assembly cable from power supply adapter harness connector D Disconnect keylock from enclosure front plate b...

Page 82: ...Adapte Plate Removal Sheet 1 of 2 D Power down workstation 4 3 a Disconnect video adapter plate 8 Disconnect monitor cable from video adapter plate connector 741 1793 Page 7 17 external cable from CP...

Page 83: ...2 D Remove top front cover 7 2 1 a Unscrew screw that secures video adapter plate to enclosure rear panel remove adapter plate 8 Disconnect video adapter plate cable from connector on power supply ada...

Page 84: ...kets 7 2 2 8 Remove CPU board from enclosure 7 2 7 CAUTION If 80287 coprocessor module is installed slide disk drive C out of enclosure 7 2 4 to ensure coprocessor module does not contact bottom of dr...

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Page 86: ...ON 8 CON1 ENTS SECTION 8 ADJUSTMENTS Page 8 1 TOOLS AND EQUIPMENT 8 1 8 1 1 Special Tools 8 1 8 2 MECHANICAL ADJUSTMENTS 8 2 8 2 1 Mating Arm Adapter Plate to Monitor Arm 8 2 741 1793 COMPANY CONFIDEN...

Page 87: ...8 1 Tools and Equipment 8 1 1 Special Tools Special equipment or tools are not required to perform adjustments on the PC 380 computer 741 1793 Page 8 1 ADJUSTMENTS COMPANY CONFIDENTIAL...

Page 88: ...imple mechanical adjustment secures the arm adapter plate to the monitor arm The arm adapter plate connects the workstation monitor to the monitor arm SLEEVE BELLOWS 8 Sufficiently tighten locknut on...

Page 89: ...I...

Page 90: ...Jumper 9 6 CPU Board Serial Port Jumper Settings 9 7 CPU Board Parallel Port Jumper Settings 9 8 CPU Board Memory Configuration Jumper Settings 9 9 CPU Board Math Coprocessor Jumper Settings 9 10 CPU...

Page 91: ...1 Electronics Enclosure Board Locations 9 30 9 4 2 Winchester Disk Floppy Diskette Cabling Connections 9 31 9 4 3 Electronics Enclosure 1 0 Connections 9 32 9 4 4 Electronics Enclosure AC Power Connec...

Page 92: ...ette Drive B Installation 9 43 9 6 4 Winchester Drive C Installation 9 44 9 6 5 Full Height Winchester Drive D Installation 9 45 9 6 6 Half Height Winchester Drive D Installation 9 46 9 6 7 Installing...

Page 93: ...9 1 UNPACKING AND SETUP Tools and Equipment Standard CE tool kit P N 726 9401 Digital multimeter Customer runnable diagnostic 741 1793 Page 9 1 COMPANY CONFIDENTIAL...

Page 94: ...nics Enclosure 1 Remove electronics enclosure from shipping carton 2 Inspect unit for external damage 3 Remove electronics enclosure top front cover 4 Inspect for internal damage and loose parts 5 Rem...

Page 95: ...9 2 UNPACKING AND SETUP Unpacking Procedures 9 2 2 Unpacking Workstation Monitor 1 Remove monitor from shipping carton 2 Inspect unit for external damage 741 1793 Page 9 3 COMPANY CONFIDENTIAL...

Page 96: ...erpack Box The Options Overpack box can include Winchester disk and floppy diskette drives option boards cabling and key board country kit Keyboard country kit contains keyboard set up utilities diagn...

Page 97: ...ch Settings and Jumpers 9 3 1 Electronics Enclosure Line Voltage Select Switch 741 1793 D Set electronics enclosure voltage selection switch to correct line voltage setting 115 220 Vac 115 Vac shown P...

Page 98: ...option board 7 2 2 741 1793 Page 9 6 NOTE Monitor type jumper is not used when system is configured with monochrome color EGA video board 8 Set monitor type jumper to appropriate setting monochrome o...

Page 99: ...IRemove top front cover 7 2 1 8Remove boards from CPU board sockets 7 2 2 COM 1 COM 2 E42 E42 e E37 E37 IRQ 4 COM 1 IRQ 3 COM 2 E42 E42 E371L E37 741 1793 Page 9 7 ENABLE E191 E27 8 Verify proper seri...

Page 100: ...t 7 2 1 fJRemove boards from CPU board sockets 7 2 2 IRQ 7 IRQ 5 LPT 1 LPT 2 E49 E49 E43 E43 741 1793 Page 9 8 E19 E19 E19 DISABLE E27 I E26 LPT 2 E27 I E26 LPT 1 E27 I E26 11 Verify proper parallel p...

Page 101: ...NE BMB BOARD SLOTS J7 J19 AND JB J20 E28 TI 1 E36 ____________ e_JE35 TWO 2MB 32 BIT BOARDS SLOTS J7 J19 AND J8 J20 E2Br 1 1 ONE 2MB 32 BIT BOARD SLOT J7 J19 E281_ 1 11E36 l_ _ _ _JE35 512KB NO 32 BIT...

Page 102: ...ont cover 7 2 1 fJRemove boards from CPU board sockets 7 2 2 IJVerify proper jumper settings at E43 E49 741 1793 Page 9 10 MATH COPROCESSOR INSTALLED E37 E42 E43 _ E49 MATH COPROCESSOR NOT INSTALLED E...

Page 103: ...U Board ROM Size Selection Jumper Settings 0 Remove top front cover 7 2 1 0 Remove disk dr ive from location C 7 2 4 Q Verify proper jumper settings at E13 E18 741 1793 Page 9 11 ROM SIZE JUMPER CONFI...

Page 104: ...witch Settings and Jumpers 9 3 8 CPU Board Keyboard Reset Jumper Settings D Remove top front cover 7 2 1 8 Verify proper jumper setting at E1 E3 741 1793 Page 9 12 KEYBOARD RESET DISABLED DEFAULT E1 I...

Page 105: ...r Acknowledge Signal Jumper Settings 0Remove top front cover 7 2 1 0 Remove power supply 7 2 5 U Verify proper switch settings 741 1793 Page 9 13 MC146818P CHIP INSTALLED E4 I EB MC14681 BAP CHIP INST...

Page 106: ...EGA video board 7 2 2 741 1793 Page 9 14 0 Verify proper switch settings c J6 c J5 c J4 B c J1 WANG NON WANG MONO MONO CHROME CHROME COLOR COLOR GFlAPHICS GRAPHICS ADAPTER ADAPTER 40 COLUMN BO COLUMN...

Page 107: ...1793 Page 9 15 ENHANCED ENHANCED GRAPHICS GRAPHICS ADAPTER ADAPTER 200 LINE 350 LINE c J6 e J c J5 C l C I c J4 e J B C l C I C l C I c J 1 C l e J Switch 5 enables disables Auto switch feature C El a...

Page 108: ...ings and Jumpers 9 3 11 Monochrome Color EGA Video Board Jumper Settings DRemove top front cover 7 2 1 741 1793 0 Remove monochrome color EGA video board 7 2 2 0 Verify proper jumper locations P5 I __...

Page 109: ...skette Controller Board Switch Settings 0Remove top front cover 7 2 1 8 Verify proper switch settings fJ Remove Winchester disk floppy disk controller board 7 2 2 741 1793 Page 9 17 WINCHESTER AND FLO...

Page 110: ...ove Winchester disk floppy diskette controller board 7 2 2 E1 E2E3 I JI E4E5E6 741 1793 ES E7 E9 Page 9 18 DRIVE TYPE JUMPER WANG AND IBM COMPATIBLE FLOPPY DRIVES E7 EB FLOPPY DRIVE PRIMARY ADDRESS E2...

Page 111: ...3 14 Wang Local Office Connection WLOC Board Switch Settings llRemove top front cover 7 2 1 I 741 1793 Page 9 19 Gverify SW1 address settings SW1 ADDRESS D Verify SW2 Prom Enable settings SW2 PROM ENA...

Page 112: ...Settings DRemove top front cover 7 2 1 fJ Remove WLOC board 7 2 2 0 Verify proper jumper locations J4 JB I 11 10 9 8 7 6 5 4 3 2 1 15 121110 7 5 4 3 G G JUMPER POSITIONS 4 6 AND 10 ARE DISABLED DO NO...

Page 113: ...ve synchronous asynchronous board 7 2 2 SW1 SYNC ASYNC SERIAL PORT ADDRESS DDDDDDDDDD 1 2 3 4 5 6 7 8 910 3ci G i 320 HEX 2AO HEX 280 HEX 240 HEX 220 HEX 13 SWITCH POSITION 8 Verify SW1 A settings 741...

Page 114: ...ynchronous Asynchronous Communications Board Jumper Settings 0Remove top front cover 7 2 1 fJRemove synchronous asynchronous board 7 2 2 IJVerify proper jumper location J3 I 15 12 1110 9 7 6 5 4 3 INT...

Page 115: ...o help sa Verify proper switch settings switches on expanded memory board s Insert diskette containing Assistant program into floppy drive A and type ASSIST after A appears on screen Press RETURN and...

Page 116: ...in system before expanded memory board is installed Setting switch LJ specifies that a certain amount of memory has already been installed These values are SW1 8192KB SW2 4096KB SW3 2048KB SW4 1024KB...

Page 117: ...SETUP 9 3 18 Expanded l llemory Board Switch Settings Sheet 3 tJf 7 1W r LXISllN MEMORY SW2 E 1 11 1 Ml IWlll r I w 1 IXl illNfi Ml MU IY DDDDDDDD DDDDDDDD ODDDDDOD c switch position 741 1793 Page 9 2...

Page 118: ...UP 9 3 Switch Settings and Jumpers 9 3 18 Expanded Memory Board Switch Settings Sheet 4 of 7 SW2 EXISTING MEMORY SW2 EXISTING MEMORY We LXI llNI i Ml r i ll1Y i i switch position 741 1793 Page 9 26 CO...

Page 119: ...9 3 18 Expanded Memory Board Switch Settings Sheet 5 of 7 SW2 EXISTING MEMORY SW2 EXISTING MEMORY SW2 EXISTING MEMORY c i switch position 741 1793 Page 9 27 COMPANY CONFIDENTIAL...

Page 120: ...ded Memory Board Switch Settings Sheet 6 of 7 0 Remove top front cover 7 2 1 0 Remove expanded memory board 7 2 2 r f 74 1793 Page 9 28 0 Verify proper switch settings 8 3 18 sheet 7 SW3 MEMORY ALLOCA...

Page 121: ...ION 000000 12 3 4 s s 1 a 128KB 256KB 384KB 512KB 640KB 768KB nw1nrai SWITCHES 5 AND 6 NOT jg LJ IDLJ USED SET TO n sssKs nrairain jg jg LJLJ gj SW3 8 ENABLES DISABLES 1024KB nraJraJraJ CPU DIRECT MOO...

Page 122: ...9 4 Connect n PACKING AND SETUP 9 4 1 Electronics Enclosure Board Locations 741 1793 BOARD FASTENING ACCESS PLATES OPTION BOARD SOCKETS CPU BOARD Page 9 30 COMPANY CONFIDENTIAL...

Page 123: ...Diskette Cabling Connections 741 1793 WINCHESTER FLOPPY DISK CONTROLLER BOARD CABLING CONNECTIONS J1 FLOPPY DATA CABLES CONNECTOR J3 DRIVE D CONNECTOR J4 DRIVE C CONNECTOR JS WINCHESTER DATA CABLES CO...

Page 124: ...f 2 VIDEO ADAPTER PLATE CONNECTOR FOR MONITOR CABLE A I 19v c 11 I o I I r MONOCHROME COLOR EGA VIOEO BOARD PANEL CPU BOARD CONNECTOR PANEL VIDEO ADAPTER PLATE CABLE CONNECTOR SERIAL PORT 9 PIN D SHEL...

Page 125: ...SETUP 9 4 3 Electronics Enclosure 1 0 Connections Sheet 2 of 2 WLOC BOARD 741 1793 SYNCHRONOUS ASYNCHRONOUS COMMUNICATIONS BOARD Page 9 33 INDUSTRY STANDARD ASYNCHRONOUS ONLY PORT 9 PIN D SHELL CONNEC...

Page 126: ...4 Electronics Enclosure AC Power Connection D Set voltage selection switch to proper line voltage B 3 1 741 1793 Page 9 34 fJ Connect ac power cord between electronics enclosure and ac outlet Tighten...

Page 127: ...Connections 741 1793 Page 9 35 D Connect keyboard cable to connector in rear of monitor fJ Connect monitor cable connectors 2 to monitor cable connector in monochrome color EGA video board and video...

Page 128: ...DISKETTE DRIVES POWER SUPPLY ADAPTER HARNESS lfl lllllW f 220 2567 VIDEO ADAPTER PLATE EXTERNAL CABLE CONNECTS TD CPU BOARD J1 CONNECTOR SERIAL PARALLEL PORT PANEL CABLES 220 3606 220 3605 CONNECT TO...

Page 129: ...TS 5V PIN 3 zov j 12V PIN 9 5V PIN 1 15V PIN 8 zDV PIN 4 12V PIN 7 5V PIN 10 11Connect common lead of DVM to z OV test point on power supply cable connector Gconnect positive lead of DVM to 5V 12V 12V...

Page 130: ...closure power on off button to ON position 3 1 1 IJConnect common lead of DVM to t OV test point on video adapter plate connector 5V 15V 5V t ov 0 Connect positive lead of DVM to t5V 12V test points o...

Page 131: ...on power cable connector U Set electronics enclosure power on off button to ON position 3 1 1 741 1793 Page 9 39 5V 12V D Connect common lead of DVM to one of ground test points on power cable connect...

Page 132: ...Set electronics enclosure power on off button to ON position 3 1 1 741 1793 Page 9 40 POWER CABLE CONNECTOR 12 r z N g r 5V 0 Connect common lead of DVM to one of ground test points on power cable co...

Page 133: ...t U54 4 Align coprocessor pins with socket holes press coprocessor firmly into place 5 Install plastic screw to secure module to CPU board 6 Remove any option boards that hinder access to jumper block...

Page 134: ...of slot 4 Align board connectors with CPU board sockets 5 Gently push down on top of board so board connectors firmly mate with option sockets board should slide between grooves of card guide that is...

Page 135: ...slightly for ward 4 Partially slide optional floppy drive into location 11 B11 of enclosure 5 Attach drive cable harness connec tor to floppy drive 11 8 11 6 Connect power supply cable and grounding...

Page 136: ...hester in location D If second Winchester is full height drive a diskette B ti drive cannot be configured 1 Remove top front cover 7 2 1 2 Partially slide drive into location C 3 Attach drive cable ha...

Page 137: ...driver to gently pry resistor pack out of socket If terminating resistor is a switch bank set all switches on bank to off open position 5 Screw board back into drive 6 Remove top front cover 7 2 1 7 T...

Page 138: ...ade screwdriver to gently pry pack out of socket 3 Set switch 2 of drive select OS bank to on position all other switches on OS bank should be off 4 Remove top front cover 7 2 1 5 Turn drive top side...

Page 139: ...expanded memory board 2 Insert SIMM into board socket connectors on bottom of SIMM must be aligned with pins on board socket Apply light pressure to top of SIMM 3 Align holes in corners of SIMM with...

Page 140: ...n the hard disk drive operating system will recognize a disk partition of up to 32MB The FORMAT partition format pro gram sets up an MS DOS boot sector in the partition created by FDISK FORMAT also pr...

Page 141: ...esults in destruction of all data already present on hard disk 1 Run HDINIT utility 2 Run FDISK utility 3 Run FORMAT utility 4 Type SYS C to copy system files to Winchester 5 Copy files from system di...

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Page 143: ...741 1793 SECTION 10 CONTENTS SECTION 10 FUNCTIONAL DESCRIPTION UNAVAILABLE AT PRESENT TIME COMPANY CONFIDENTIAL...

Page 144: ......

Page 145: ...SECTION 11 CONTENTS SECTION 11 SPECIFICATIONS Page 11 1 HARDWARE 11 1 741 1793 COMPANY CONFIDENTIAL...

Page 146: ...Monochrome Monitor Dimen sions Height 11 4 in 29 0 cm Width 12 5 in 31 8 cm Depth 12 4 in 31 5 cm Monochrome Monitor Weight 14 lb 6 36 kg Color Monitor Dimensions Height 13 5 in 34 3 cm Width 14 in 3...

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Page 148: ...SECTION 12 CONTENTS SECTION 12 ILLUSTRATED PARTS Page 12 1 SYSTEM COMPONENTS 12 1 741 1793 COMPANY CONFIDENTIAL...

Page 149: ...1 ILLUSTRATED PARTS System Components Sheet 1 of 5 0 Item Part Number Description 1 279 0757 Monochr Jme monitor 2 725 3446 Color monitor 3 725 3401 US Keyboard 741 1793 Page 12 1 COMPANY CONFIDENTIA...

Page 150: ...79 0773 279 0768 279 0769 279 0770 Description m m SPS 229 power supply 1 2MB 5 25 in diskette drive 360KB 5 25 in diskette drive 720KB 3 5 in diskette drive 20MB Winchester disk drive half height 40M...

Page 151: ...chrome color EGA video board will replace video board P N 725 3358 15 210 9454 A Wang local office connection WLOC board 16 210 9453 A 16 bit expanded memory board 17 725 3467 32 bit expanded memory b...

Page 152: ...wer switch cable assembly 24 220 2601 Speaker and cable 25 725 3468 80287 math coprocessor module located on CPU board underneath drive C 26 458 3731 Serial parallel port panel comprises 220 3606 seri...

Page 153: ...TS 12 1 System Components Sheet 5 of 5 Item Part Number Description 28 376 6050 Single in line memory module SIMM 29 279 1055 Cover base assembly 30 458 3974 Chassis weldment 741 1793 Page 12 5 COMPAN...

Page 154: ...WANG LABORATORIES INC ONE INDUSTRIAL AVENUE LOWELL MAllACHUSl TTI 01111 Tl L 1117 4118 11000 TWX 710 30 1171111 TELl X 114 7421 PRINTED IN U S A COMPANY CONFIDENTIAL...

Page 155: ......

Page 156: ...SECTION6 1940 CONTROLLER...

Page 157: ...6 6 4 3 Diagnostic Utility 6 7 6 4 4 Troubleshooting Procedures 6 8 6 5 PARTS REPLACEMENT 6 9 6 6 INSTALLATION 6 11 6 6 1 1940 Controller Installation 6 11 6 6 2 1940 Controller Cabling 6 12 6 7 FUNC...

Page 158: ...Cs and WllS Features include the following Fits Wang 200 300 Series PCs 8 bit or 16 bit slots Drives the MON 1940 Two Page Monitor Runs IBM Monochrome Display Adapter MDA software and emu 1ates Hercul...

Page 159: ...NTROLLER 2 Settings J1 1 2 3 4 loo o ol 9 GED l 64K Hercules Monochrome Emulation ON 32K Hercules ICED 0 0 I Monochrome Emulation ON I0 00 0 I Emulation OFF not supported 741 1859 1 Page 6 3 e END COM...

Page 160: ...OLLER Controls And Indicators 0 Item Name 1 J4 Interface Connector 2 J3 741 1859 1 Type and Function 26 pin connector provides physical interface to MON 1940 Two Page Monitor DO NOT USE e END Page 6 4...

Page 161: ...to troubleshoot the two page 1940 con troller consist of BIT diagnostics and PC Diagnostic Utility NOTE BIT diagnostic error messages and error message interpretation for PC 240 PC 280 and PC 380 are...

Page 162: ...r an audible tone beep wi 11 be sounded through the system speaker If other circutiry on the board is not functional the system either may hang or the monitor will not display information If a problem...

Page 163: ...troubleshooting aid that allows the user or CE to run extensive diagnostic testing Diagnostic Utility 195 5537 9 Rev 2860 or higher sup ports the 1940 controller Refer to the associated manual for Di...

Page 164: ...ler and re boot the sys tem If system powers up 1940 con troller may be defective Run power up diagnostics and Diagnostic Utility to verify system integrity Replace 1940 controller 6 5 and perform pow...

Page 165: ...ve NOTE Parts replacement illustrations use PC 280 Other PC parts replacement procedures for this option are similar 0 Power off Remove ac from unit Page 6 9 w f I Disconnect signal cable from 26 pin...

Page 166: ...1940 MONITOR CONTROLLER 6 5 Parts Replace ent Sheet 2 of 2 II Remove screw from 1940 controller fastening plate Lift board from unit y 741 1859 1 Page 6 10 e END COMPANY CONFIDENTIAL...

Page 167: ...rom unit f I Remove top front cover IJ Remove screw securing fastening access plate to enclosure and remove plate I El Set J1 for appropriate emulation mode 6 2 II Install 1940 Controller into expansi...

Page 168: ...0 Connect signal cable to 9 pin 0 SUB connector on rear of monitor 6 Tighten thumb screws IJ Connect other end of signal cable to connector on 1940 controller board on rear of electronics enclosure I...

Page 169: ...rams the expanded memory win dow address register on the card Each software driver reads the ex panded memory winidow address reg ister and configures itself properly so that the user does not have to...

Page 170: ...C __ _ I VIDEO y MEMORY Vt PROGRAM MEMORY 1 BOOT f l PROM BL KING GRAPHICS SYSTEM VSYJiC Vt HERCULES PROCESSOR EMULATION GSP f l REGISTER HS C z t STATIC RAM v 64K DATA BUS LATCH LATCH Q ADDRESS BUS V...

Page 171: ...MA channels These are as follows Interrupt Channel 15 IRQ15 Interrupt Channel 12 IRG12 Interrupt Channel 1O IRQ1 O OMA Channel 5 DRQ5 OMA Channel 6 DRQ6 OMA Channel 7 DRQ7 The GSP becomes master of th...

Page 172: ...Several resolutions are available de pending upon the dot clock selected and the internal programming of the GSP On 200 dots per inch resolu tion video memory is organized as 2048 lines of 128 sixtee...

Page 173: ...6 1940 MONITOR CONTROLLER 8 Illustrated Parts 0 Item Part Number Description 1 725 4005 1940 Two Page Monitor Controller PCA e END 741 1859 1 Page 6 17 COMPANY CONFIDENTIAL...

Page 174: ...SECTION7 SC4000 SCANNER CONTROLLER...

Page 175: ...ND INDICATORS 7 5 Image Processor Board 7 5 SC4000 Scanner Controller 7 6 TROUBLESHOOT NG 7 7 Tools And Equipment 7 7 Power Up BIT Diagnostics 7 8 Diagnostic Ut i Ii ty 7 9 Troubleshooting Procedures...

Page 176: ...Scanner Controller WI IS INPUT 06 SC4000 Scanner Controller section does not contain Scanner SC4000 operating instructions or installa tion Refer to the Document Scanner Model SC4000 manual 741 1842 f...

Page 177: ...7 2 7 2 1 741 1859 2 Settings Image Processor Board I Address Space Switch SW1 DDDDDDDD001 OL68L9Sv8Z L AS r A 1 L Not Used Page 7 3 SC4000 SCANNER CONTROLLER COMPANY CONFIDENTIAL...

Page 178: ...ss Space Switch SW1 12345678910 DDDDDDDDDD A1 AS L Not Used 2 5 3 123 4567 8910 D oxx ox ox 00 SWitch Position x Contacts Closed o Contacts Open 741 1859 2 352H Default Page 7 4 SC4000 SCANNER CONTROL...

Page 179: ...Board Item Name Internal Connector Jl SC4000 SCANNER CONTROLLER 0 Type and Function Connector 60 pin provides interface signals address and data I ines to Scanner Control Ier or other optional cont r...

Page 180: ...e Type and Function 741 1859 2 Internal Connector J2 Connector 60 pin provides interface signals address and data I ines to Image Controller Interface Connector J1 Connector D 37 pin provides the phys...

Page 181: ...e SC4000 Scanner Controller consists of BIT diagnos tics and PC Diagnostic Utility NOTE PC 280 and PC 380 BIT diagnostic error messages interpretation Section 6 of manuals 741 1859 2 and error message...

Page 182: ...ol lowing hardware checks The two boards are properly seated in expansion slots Internal cabling is properly connected Image Processor Address 1 0 Space switch is set to a val id non conf I icting add...

Page 183: ...Card 100 or 200 DPI system dependent Additionally a 16 inch monitor and a SC4000 Scanner is required The SC4000 Scanner is required to run Scanner Panel test Automatic Docu ment Feeder test and Video...

Page 184: ...power up diagnostics and Diagnostic Uti I ity to verify system integrity Verify SC4000 Scanner Controller 1 0 Address Space switch settings 7 2 2 Verify Image Processor Controller 1 0 Address Space sw...

Page 185: ...280 PC Model 380 parts replacement pro cedure for this option are similar Power unit OFF and disconnect ac power IEI Remove electronic enclosure top front cover Refer to appropriate manual 741 1859 2...

Page 186: ...nsion slot 741 1859 2 Page 7 12 SC4000 SCANNER CONTROLLER To Install 1111 Verify Image Processor 1 0 Address Space switch settings 7 2 1 NOTE Image Processor must be installed in a 16 bit expansion sl...

Page 187: ...move 1111 Power unit OFF and disconnect ac power lfll Remove electronic enclosure top front cover Refer to appropriate manual El Disconnect scanner inter face cable from rear panel connector J1 741 18...

Page 188: ...plate Remove board from expansion s Io t 741 1859 2 Page 7 14 To Install Verify SC4000 Scanner Control ler Address Space switch setting 7 2 2 NOTE SC4000 Scanner Controller must be installed in 16 bit...

Page 189: ...ntroller option 11111 Power unit OFF and disconnect ac power lfll Remove top front cover Refer to associated manual 741 1859 2 Page 7 15 Ill Remove screws securing adjacent fastening access plates to...

Page 190: ...t 2 of 2 D lnstal I Image Processor and Scanner Controller into adjacent slots and secure with screws removed in Step 3 1111 Inst a I I i ntern a I j umpe r cable from Image Processor connector J1 to...

Page 191: ...scanner connector Secure with two captive screws Ill Connect scanner cable ground lead to controller ground tab 741 1859 2 Page 7 17 SC4000 SCANNER CONTROLLER Connect scanner cable to scanner 11111 C...

Page 192: ...tem Part Number Description 210 9428 Image Processor 210 8987 SC4000 Scanner Controller 220 3485 Internal Cable 1 1 2 inch 60 Position Socket Socket ID 421 0121 Interface Cable 6 feet 37 Position Sock...

Page 193: ...SECTIONS 1 44 MB DISKETTE DRIVE...

Page 194: ...Page 8 1 INTRODUCTION 8 2 8 2 SETTINGS 8 3 8 3 CONTROLS AND I ND I CATORS 8 4 8 4 TROUBLESHOOT I NG 8 5 8 4 1 Too Is and Equipment 8 5 8 5 PARTS REPLACEMENT 8 6 8 6 I NSTA LLAT I ON 8 8 8 7 SPECIFICA...

Page 195: ...le plastic holder that inserts easily into the diskette drive The drive can be installed in any of the CPU system unit s half height enclosure compartments NOTE Refer to the Specifications section for...

Page 196: ...8 2 Settings 741 1859 2 1 44 MB DISKETTE DRIVE OS 0 1 2 3 MX NOTE Removable jumper should always be set on DS1 There are no other jumpers to check or set on 1 44 MB drive Page 8 3 COMPANY CONFIDENTIAL...

Page 197: ...tridge eject button Act iv it y LED 1 44 MB DISKETTE DRIVE Des er i pti on Push button ejects microdisk from drive Bi color LED i I luminates amber 1 44 MB operation or red 720 KB operation when drive...

Page 198: ...ve for CE use Mfg 1 44 MB Diskette Ctr Ir Drive for Manufacturing use The field repair strategy for the 1 44 MB diskette option specifies replacement of the drive assembly and associated cab I ing as...

Page 199: ...parts replacement procedures for the 1 44 MB diskette are similar 1111 Power down system and disconnect ac power Ell Remove system unit top front cover B Disconnect cab I ing from rear of diskette dr...

Page 200: ...e completely into desired half height enclosure compartment unti I drive locks into place Ill Connect signal and power cables to rear of diskette drive Ill Reinstal I system unit top front cover iSm R...

Page 201: ...isconnect ac power NOTE Refer to appropriate PC system manual and diagnostic documentation for specifics concerning system disassembly and the PC 200 300 series diagnostic uti I ity lfJI Remove system...

Page 202: ...nsity diskette 1 44 MB formatted 2 MB unformatted Low density diskette 720 KB formatted 1 MB unformatted Recording Heads two double sided recording Tracks 80 per side 160 total Sectors Per Track forma...

Page 203: ...WANG WANG LABORATORIES INC ONE INDUSTRIAL AVENUE LOWELL MA 018 1 I e TBLBPHONB 108 459 5000 TELEX 172108 COMPANY CONFIDENTIAL PRINTED IN U S A...

Page 204: ......

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