TM503: Difference between revisions

TM503 (view source)

Revision as of 11:21, 5 November 2023

64 bytes added , 5 November 2023

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Peter

Bureaucrats, Interface administrators, Suppressors, Administrators

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 ===Option 7===
-Option 7 adds barrier keys (214-1593-02) and connections on the rear interface to allow connections between the [[DC502]]-option7 to either a [[TR502]] or a [[SW503]] such that the center or marker frequency of a sweep can be read of the DC502.
+Option 7 adds barrier keys (214-1593-02) and connections on the rear interface to allow connections between a [[DC502|DC502 Opt.7]] to a [[TR502]] or [[SW503]], such that the center or marker frequency of a sweep can be read of the DC502.
 ==Links==
+* See [[TM503/Repairs|Repairs page]] for video and replacement PCBs
 * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_500/TM503B/TM503B.html TM503B @ amplifier.cd]
 * [https://paulcarbone.com/blog/tektronix-tm-503-repair/ TM503 repair @ paulcarbone.com]
-* [https://www.youtube.com/watch?v=VkNRUI_QtWo Tektronix TM503 Mainframe Repair] by NFM @ YouTube (replacement PCBs)
 * [https://www.electronicdesign.com/technologies/test-measurement/article/21137778/the-tektronix-function-generator-teardown The Tektronix Function Generator Teardown] - Paul Rako @ electronicdesign.com
 {{Documents|Link=TM503}}
-==Gerbers==
+==Internals==
-* [[Media:TM503_PCB's.zip|TM503 replacement PCB's]] (ZIP) (See TM503 Repair link below)
+The [[Media:TM5xxx_Pass_Transistor_List_(2021-09).pdf|pass transistors]] on the low-power compartments are MJE2901 (151-0373-00, PNP) / MJE2801 (151-0349-00, NPN) − 60 V, 10 A, h<sub>fE</sub> 25 - 100.
 ==Pictures==
@@ Line 74: / Line 74: @@
 Tek_tm503b_extender02.jpg      | Using a TM503B for repairing plugins
 </gallery>
-====Schematics====
+===Schematics===
 <gallery>
 TM503-schematic.png | TM503 schematic