digital decwriter 3, la120 service guide
DESCRIPTION
Service Guide for the Digital Decwriter 3, LA120.TRANSCRIPT
62 MECHANICAL SERVICING
2.24 RECOMMENDED SPARES LiST (RSL)The following paragraphs list the recommended
spares for the basic LA 120 and LA1 20-RA.
2.24.1 LA120 Spare Parts
Unit Description Part Number
Encoder motor pulley clampHeat shield (plastic molded,blunt end)LA 120 main keyboard switchcap (complete set)LA 120 numeric keyboard switchcap (complete set)SpeakerDC motor/encoder pulley20 mA loopback test connectorEIA loopback test connectorLA36 top cover with foamLA36 printer housing assemblyLA34 left tractor shaft bushingRibbon drive pulley clampLA36 right tractor shaft bushingLA36 line feed knobLA36 tractor shaft gearLA36 tractor shaft clutchCover clipPAPER OUT switchLine feed adaptorTractor adjust knobKeycap pullerPrinthead ribbon guideLine feed fuse, slo blow,1.5 A, 250 VCVT line fuse, slo blow,3.0 A, 250 VCVT F2 fuse, slo blow,5.0 A, 250 VCarriage fuse, slo blow,2.5 A, 250 VFuse, slo blow, 6.0 ACVT F3 fuse, slo blow,6.0 A, 32 VCVT FI fuse, sub mini,5.0 A, 125 VLA1 20 power supply, 115 V,60 Hz (CVT)
12-14659-0012-13365-02
12-14333-64
12-14333-91
12-l 5050-0012-l 5239-0070-l 5503-0012-15336-OXI- 11447-0070-15581-0074-l 1098-0374-11124-0074-11425-0074-l 1437-0074-l 1440-0074-l 1441-0074-11818-0074-12424-0074-12535-0074-14433-0074-16355-0074-19612-W90-07213-00
90-072 18-00
90-07222-00
904787940
90-07999-009049320-00
12-09070-00
H7110-00
MECHANICAL SERVICING 63
Unit Description Part Number
LA1 20 power supply,1 E/230 V, 50-60 Hz(switcher)Logic boardTiming beltLeft tractorRight tractorFan (35 ft3/min7 I 15 Vat,3 inch diameter)Keyboard bezel (plasticmolded for keyboard array)Printhead cable assembly,(24 comd., 16-position)Keyboard cable assembly,(16 pin connectors)Keyboard to logic cableassembly (16 pin connectors,1 top, 1 side)CVT power supply main board(LA120)Idler gear assemblyRibbon drive assemblyRibbon chassis assemblyPrinter mechanism withoutheadPrinthead assemblyPower entry bracket assembly(CVT)PAPER OUT/cover interlockswitch harnessDC motor/encoder d @/?M~~rStepping motor with cable ~~fl/~~assembly %Y%/GEPower supply to logic board(52) cable assemblyKeyboard/keycap assemblyKeypad/ keycap assemblyPower entry bracket assembly(switcher)Power supply to logic board(54) cable assemblyLA36 tractor drive shaftLA36 tractor support shaftCover interlock switch
H7150-00
M’708 l-0012-l 1583-0012-l 1662-0412-l 1662-0512-12581-00
12-14563-00
17-00107-01
17-001 WOO
17-00 120-00
54-l 3044-00
70-09694-0070-l 1446-0070-l 3839-0070-14533-01
pa s-2 76RGq_&We-70-15168-00
70-15387-00
70-15388-0070-15389-00
70-l 5408-00
70-l 5763-0070-l 5764-0070-16530-00
70-16537-00
74-l 1075-0074-l 1076-0012-12255-01
64 MECHANICAL SERVICING
2.24.2 LA120-RA Spare Parts
Unit Description Part Number
LA 120/LA 120-RA power supply(switcher) 1 I5/230 V, SO-60 HzLogic boardTiming beltLeft tractorRight tractorFan, (35 ft3/min, 115 Vat,3 inch diameter)Printhead cable assembly(24 cond., l&position)SET-UP control panel tologic board cable assembly(16 pin connectors)Idler gear assemblyRibbon drive assemblyRibbon chassis assemblyPrinter mechanism withoutheadPrinthead assemblyDC motor/encoderStepping motor with cableassemblyPower supply to logic board(52) cable assemblyPower entry bracket assembly(switcher)Power supply to logic board(54) cable assemblyOperator console to SET-UPcontrol panelLA36 tractor drive shaftLA36 tractor support shaftClear plastic printer coverRibbon drive pulley(30 tooth)Heat shield (plastic molded,blunt end)SpeakerDC motor/encoder pulleyLA1 80 printer housing withfoamLA1 80 top cover with foamSET-UP control panel andbracket assembly
H7 1 SO-00
M708 l-0012-11583-0012-11662-0412-11662-051 2 - 1 2 5 8 1 - 0 0
17-00107-01
17-00120-01
70-09694-0070-I 1446-0070-13859-0070-14533~1
70-l 5085-0070-l 5388-0070-l 5389-00
70-l 5408-00
70-16530-00
70-16537-00
70-l 7065-00
74-l 1075-0074-l 1076-0012- 12009-0012- 12446-00
1 2 - 1 3 3 6 5 - 0 2
12- 15050-0012-l 5239-0070-10757-00
70-I 1447-0070-17051-00
MECHANICAL SERVICING 65
Unit Description Part Number
LA36 left tractor shaft bushingRibbon drive pulley clampLA36 right tractor shaft bushingLA36 line feed knobLA36 tractor shaft gearLA36 tractor shaft clutchCover clipPAPER OUT switchLine feed adaptorTractor adjusting knobKeycap pullerPrinthead ribbon guideLine feed fuse, slo blow,1.5 A, 250 VSwitcher line fuse, 6 ACarriage fuse, slo blow,2.5 A, 250 VSwitches (local form feed,ON LINE/OFF LINE,SELF-TEST, cover interlock)
74-I 1098-0374-l 1124-0074-l 1425-0074-l 1437-0074-l 1440-0074-I 1441-0074-l 1818-0074-l 2424-0074-12535-0074-14433-0074-16355-0074-19612-0090-07213-00
90-07999-0090-07879-00
12-12255-01