Commodore 1940 Service Manual

Service Manual for Commodore 1940 Monitor (54 pages)

Specifications:

952/952428-1940.pdf file (11 Aug 2023)
  • Manufacturer: Commodore
  • Category of Device: Monitor
  • Document: 1940, File Type: PDF Service Manual
  • Updated: 11-08-2023
  • Count of Pages: 54
Download 1940 Manual (54 pages)

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Data: UPD 11th August 2023

Commodore 1940 Monitor PDF Service Manual (Updated: Friday 11th of August 2023 09:54:59 PM)

Rating: 4.3 (rated by 73 users)

Compatible devices: 1701, 1930, AMIGA 10855, 1902, 1935, 1902A, 1402, 1702.

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Text Version of Commodore 1940 Monitor Manual (Summary of Contents)

(Ocr-Read of Commodore 1940 Document (Main Content), UPD: 11 August 2023)
  • 38, The voltage is regulated controlling the positive bias of TR1. A larger collector curr~nt is required to turn off TR2 if the base is fully biased. Therefore, more energy is stored by the primary winding of 1-3 of T001. The collector current of TR3 required to turn off TR2 is reduced w…

  • 13, Commodore 1940 TROUBLE SHOOTING HINTS 1. No Character NO Check power supply & Horizontal circuits NO NO NO YES UllillWIIJ About 4.0Vp-p Turn the Contrast & Brightness control to maximum No Raster I Refer to L- ___ ....J Noraster Check video output (IC01) circ…

  • 52, B.CRTBOARD ';""'" LOC. BUYER NO. PART~CODE. PART~NAtiIIE; pART-DESC, REMAAK C101 CEXF1C470C C El.ECTRO 16V 47MH RUS C102 CEXE1H229C C ELECTRO SOV 2.2MF RU C103 CEXE1H100C C ELECTRO SOV 10MF RU C105 CMXM2A104J CMYLAR 100V 0.1MF J …

  • 24, THEORY OF OPERATION ________________ II1II TABLE OF CONTENTS 1. General· .......................................................... '.' .......................... ·22 2. Block Diagram· ................. : ................................................... , . , …

  • 51, LOC. BUYER NO. PART-CODE PART-NAMe. PAaT~DJ;SC.: REMARK 00010 9972012407 COVER FRONT H.N HFA700 0L.747KG GY151A 00010 2210809975 RESINABS H.N HFA700 V22722 BRIBE 00020 9979911100 RUBBER WASHER RUBBER B.K 20X5.2 T2.0 00030 9976011800 SPECIAL SCREW 5 5X…

  • 47, ,""., LOC. SU¥ERNO. pARt·CODE PART":NAME PARt,.DESe~ REMARK , " , , 0410 TZTA473Y-- TRE KTA473Y 0411 TZTA1270Y- TR KTA1270Y 0412 TZTC3198Y- TR KTC3198Y 0502 T1 RF740--- FET IRF740 ! 0503 TKSC2688-0 TR KSC2688-0 ! • 0504 T2SC3892…

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