Commodore Amiga Technical Manual Download

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Summary of Contents for Amiga

Page 1: ...Technical Manual Commodore AMIGA o Commodore...

Page 2: ...se of the information contained herein The listing of any available replacement part herein does not constitute in any case a recommendation warranty or guaranty as to quality or suitability of such r...

Page 3: ...rtions of the unit that may be easily disassembled and replaced without in volvement with chip component repair Section 2 is step by step illustration of how to remove the various assemblies from the...

Page 4: ...list titled assembly level parts POS D ESCR IPTIO N PA RT NO Q TY 1 H O U SIN G TO P 327002 01 1 2 BRKT D IS K D RIV E M TG 327013 01 1 3 P C B 327137 01 1 4 D IS K D RIV E 327156 01 1 5 H O U SIN G...

Page 5: ...diskette MORE THAN ONCE before it is seated correctly in the drive Continued difficulty in correctly seating the disk indicates a defective or incom patible disk or a drive mechanical problem 1 2 3 N...

Page 6: ...nd the right ALT key the key just to the right of the right AMIGA key is like pressing the Menu button the right button on the mouse 1 3 2 Turn the POWER SWITCH located on the left side of the system...

Page 7: ...t J14 Should 5 VDC B Pin 2 Orange Lead Cnnct J14 Should 12 VDC C Pin 3 4 Black Leads Cnnct J14 Should Sys GND D Pin 5 6 Red Leads Cnnct J14 Should 5 VDC E Pin 7 Gray Lead Cnnct J14 Should 60 Hz If ALL...

Page 8: ...5 Volt Composite Sync Approx 1 Volt Analog Blue Approx 1 Volt Analog Green Approx 1 Volt Analog Red If ALL readings are CORRECT check MONITOR and CABLE CONNECTIONS If MONITOR and CONNECTIONS ARE OK RE...

Page 9: ...e boot up message while continuing to load from the disk If the hand holding the diskette labeled WORKBENCH REAPPEARS re seat the diskette and RETRY If after 3 or 4 retries the system still does not a...

Page 10: ...on The screen will clear and then display the WINDOW to select preferences 1 6 10 Set the CLOCK Position the pointer on one of the numbers depicting the time Click the left mouse button once move the...

Page 11: ...onnect the ground power and ribbon cables from the back of the drive Place a known good drive assembly on top of the installed drive and connect the cables to it 1 7 3 Power up the system and begin te...

Page 12: ...S then BOXES and then LINES Position the pointer on each ICON and double click the left mouse button to load each DEMO The DEMO WINDOWS will appear overlapping each other Verify that each DEMO is load...

Page 13: ...without memory expansion Sufficient memory is available to run the GRAPHICS demos ONE AT A TIME 1 8 8 CLOSE the WORKBENCH DEMOS WINDOW Position the pointer on the CLOSE GADGET and click the left mouse...

Page 14: ...e button and simultaneously move the mouse down to view the WORKBENCH screen Verify that Free memory in the title bar is periodically updated Clock is running properly If INCORRECT refer to 1 9 PCB CH...

Page 15: ...DISASSEMBLY to open case and remove shield 1 9 2 The DIAGNOSTIC AIDE is a straight through test device that enables you to run the system from the known good board Position the DIAGNOSTIC AIDE over th...

Page 16: ...e try a DIFFERENT COPY of the disk If the disk still WILL NOT LOAD refer to 1 7 DRIVE ASSEMBLY CHECK OR If the drive was previously tested as OK EXCHANGE the RAM EXPANSION CARTRIDGE and RETRY 1 10 7 R...

Page 17: ...ly Colors do not bleed If INCORRECT refer to 1 9 PCB CHECK Problem may be the CUSTOM CHIPS on the main board OR Exchange the 1050 RAM EXPANSION CARTRIDGE and RETRY If CORRECT continue to 1 10 13 1 1 0...

Page 18: ...rs do not bleed The CLOSE GADGET for MANDRIL is not operational in Version 1 0 Therefore it is necessary to RESET the system with the AMIGA CTRL keys if additional testing is desired If INCORRECT refe...

Page 19: ...H disk when prompt appears 1 11 3 Select WORKBENCH disk ICON 1 11 4 Select UTILITIES DRAWER from WORKBENCH WINDOW 1 11 5 Select NOTEPAD from UTILITIES WINDOW Wait for the NOTEPAD to turn white before...

Page 20: ...2 KEYBOARD 2 2 1 If keyboard replacement is necessary remove keyboard cable from keyboard assembly DO NOT REMOVE KEYBOARD FROM CASE ASSEMBLY Warranty exchange is for the entire keyboard assembly as s...

Page 21: ...ith the front facing you and the drive to your right 2 3 6 The TOP HOUSING snaps into the bottom hous ing so remove by applying a slight outward pressure on the bottom housing or inward pressure on th...

Page 22: ...E 2 AT FRONT OF PCB 2 4 2 Untwist the 2 shield tabs at the right side towards the rear and the rear left corner 2 4 3 Gently work shield loose from the PCB assembly Fig 2 8 LED Harness Removal 2 4 4 A...

Page 23: ...PCB area in which a connector or screw may be found Fig 2 9 internal View 2 5 DRIVE REMOVAL 2 5 1 Remove the 4 brass stand offs located at the con nectors J10 and J 1 1 at board locations T1 T2 T3 T4...

Page 24: ...ight side bottom housing away from the PCB The rear panel hous ing will come off with the PCB and may require slight pressure during PCB removal to keep it from binding in it s tracks as shown in Fig...

Page 25: ...8 tabs at locations A1 A4 A9 A10 T9 T3 N1 J1 3 2 2 Gently insert the PCB into the bottom case To clear the mouse connector cut outs you will have to in sert the board on an angle while gently holding...

Page 26: ...ffs located at the con nectors J10 and J11 at board locations T1 T2 T3 T4 See Fig 3 6 3 3 4 Connect the following cables CABLE LOCATION Fig 3 5 Drive Screw Locations LOGIC RIBBON R8 POWER H7 Note that...

Page 27: ...onnects at the PCB J15 See Fig 3 8 3 4 2 Gently position shield into place over the PCB assembly 3 4 3 Tw ist the 2 shield tabs at the right side towards the rear and the rear left corner The position...

Page 28: ...Fig 3 9 Front Bezel with Tab Positions 3 5 3 Holding the case together turn the AMIGA up side down 3 5 4 Install the 2 flush mount screws located by the front bezel Be certain NOT to OVERTIGHTEN these...

Page 29: ...se of the information contained herein The listing of any available replacement part herein does not constitute in any case a recommendation warranty or guaranty as to quality or suitability of such r...

Page 30: ...TURES PIN CONFIGURATIONS 10 BLOCK DIAGRAM 11 VIDEO CONNECTORS 12 PARALLEL PORT 14 SERIAL PORT 15 EXTERNAL DISK CONNECTOR 16 MOUSE JOYSTICK LIGHTPENPORTS 17 SCHEMATICS M O U SE 18 KEYBOARD 19 POWER SUP...

Page 31: ...us control logic detects whether or not the display RAM buses are available The bus control logic will not assert the acknowledge signal DTACK back to the 68000 until the display RAM buses are availab...

Page 32: ...5 MHz color clock C2 C1 shifted 45 degrees later C3 C2 shifted 45 degrees later C4 C3 shifted 45 degrees later 7M C1 XORed with C3 7 15909 MHz DAC 7M shifted 90 degrees later THE 3 CUSTOM CHIPS The 3...

Page 33: ...ugh so that the 68000 will complete the bus cycle in the desired phase relationship to C1 This phase relationship is necessary because the custom chips and the display RAM are clocked by C1 Arbitratio...

Page 34: ...P A R A L L E L P O R T B u s Dem and D BR C lo c k s A M IG A SYSTEM BLOCK DIAGRAM AMIGA 1000 COMPONENT LEVEL REPAIR...

Page 35: ...AMIGA 1000 COMPONENT LEVEL REPAIR ADDRESS MAP O VERLAY 1...

Page 36: ...15 34 D R A 6 A R W 16 33 D R A 5 R G A 8 17 32 D R A 4 R G A 7 18 31 D R A 3 R G A 6 19 30 D R A 2 R G A 5 20 29 D R A 1 R G A 4 21 28 D R A 0 R G A 3 22 27 V S S R G A 2 23 26 CCKQ R G A 1 24 25 CC...

Page 37: ...Register A d d ress Decoder AGNUS BLOCK DIAGRAM AMIGA 1000 COMPONENT LEVEL REPAIR...

Page 38: ...5 CLK R G A 3 15 34 N C R G A 2 16 33 Z D R G A 1 17 32 N C B S T 18 31 G3 V C C 19 30 G 2 R 0 20 29 G1 R1 21 28 G O R 2 22 27 B3 R 3 23 26 B2 B 0 24 25 B1 PIN DESIGNATION FUNCTION 1 7 D0 D6 8 M1H 9 M...

Page 39: ...C O AMIGA 1000 COMPONENT LEVEL REPAIR...

Page 40: ...18 31 A U D A R G A 8 19 30 A U D B R G A 7 20 29 CCKQ R G A 6 21 28 CCK R G A 5 22 27 V C C R G A 4 23 26 R G A 1 R G A 3 24 25 R G A 2 PIN DESIGNATION FUNCTION TYPE 1 7 D2 D8 Data Bus Lines 2 8 I O...

Page 41: ...P O T Ports A A D M A L to A g n u s SfTlDI PAULA BLOCK DIAGRAM AMIGA 1000 COMPONENT LEVEL REPAIR...

Page 42: ...G B CS HS VS GNDRTN ZD C l GND 5V 12V 5V External Clock Input External Clock Enable Analog Red Analog Green Analog Blue Digital Intensity Digital Red Digital Green Digital Blue Composite Sync Active...

Page 43: ...AMIGA 1000 COMPONENT LEVEL REPAIR J2 COMPOSITE T gnd Requires MODULATOR for 8 pin DIN composite video output 1 13...

Page 44: ...PORT J8 PO UT PIN LINE FUNCTION 1 DRDY Data Ready Active Low 2 9 D0 D7 Data Lines 0 7 10 ACK Acknowledge Active Low 11 BUSY Busy 12 POUT Paper Out 13 SEL Select 14 22 GND Signal Ground 23 5 5 VDC Sup...

Page 45: ...ar to Send 6 DSR Data Set Ready 7 GND System Ground 8 CD Carrier Detect 9 13 N C 14 5V 5 VDC Power 15 AUDOUT Audio Out of Amiga 16 AUDIN Audio Into Amiga 17 EB Buffered Port Clock 716KHz 18 INT2 Inter...

Page 46: ...n Removed from Drive Latched Low 12 5 5 VDC Supply 13 SIDEB Select Disk Side 0 Upper 1 Lower 14 WPRO Disk is Write Protected Active Low 15 TKO Drive Head Position over Track 0 Active Low 16 DKWE Disk...

Page 47: ...0 s LEFT0 Mouse VQ O fa GND Ooo RIGHTO Mouse HQ O rs POT0Y Mouse Button 2 V o tp POT0X Mouse Button 3 if used O w FORWARD 1 Mouse V n _ FIRE 1 Mouse Button 1 O0 BACK 1 Mouse H O K 5 1 25 mA o m LEFT...

Page 48: ...0 0 SCHEM ATIC A M IG A MOUSE A SSY 3 2 7 1 2 4 AMIGA 1000 COMPONENT LEVEL REPAIR...

Page 49: ...AMIGA 1000 COMPONENT LEVEL REPAIR 1 1 9...

Page 50: ...wer Supply It is the policy of Commodore Business Machines to REPLACE a defective power supply due to the unique parts used by the OEM supplier of the unit UL requirements specify that EXACT replaceme...

Page 51: ...UJITSU HM50464P 1 5 MB81464 1 5 NEC D41464C 1 5 C PU 68000 M IC R O P R O C E SSO R HITACHI MOTOROLA ROCKWELL SIGNETICS 8 MHZ 10 MHZ 12 5 MHZ 68000L8 68000L8 R68000P8 SCN68000C8N64 68000L10 68000L10 X...

Page 52: ...REVISIONS L T R Z O N E D E S C R IP T IO N D A T E 1 A P P R O V E D X L J PRODUCTION RELEASE...

Page 53: ...L J 2 i T t i T T tJ T j T t 4 s 7 7 th h u m u rr jMts i W c t c t RAN i ARRAY iW cr J 7AMT V U U O T V M Ktorcc romiMcxi r commodore j i i S C H E M A T I C A M G A P G G Y 8 A C A _ _ _ _ _ _ _ __...

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Page 55: ...R E VIS IO N S 1 r 2 O C O 8 I h i l l 1 M C M a K 5 1 5 I r S j 1 80 3 O i r 1 0 0 T T...

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Page 57: ...Al J v A tl AS M tI 4 K A2 s A9 7 2 M I S M 7 I2ZL CAW S C 7 C 41 f 2 4 e z n g i 77 P0t3 O 70 tt 7S 7 0 6 7 0 2 L S J 7 J M B E P 9 07S D S r 4 Iff D 0 7 PD S 3 4 9 PD 4 i 0 3 t 3 7073 s Gf7S t 7 4 8...

Page 58: ...1 0 7 0 9 1 7 70 a s 2 Ll 17 Ss A S 1 os ti At PPtDH 7T ooos r 7 W I A A A T W ry X rr y i l y 1 1 1 77 C 5 H D 1 S V 7 s 0 r PS 0 ti r 7 N 7 y p n 2C N2Q i r s t h TiTf _ 7T77 1 L X 1 i V A T w t SJr...

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