DG’s Practical Notes, R#21 Grundig Heinzelmann 1, 1954 [v2]

DG’s Practical Notes
© 2021-2024 Daniele Giacomini, [email protected]
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======== Content of this video ========
(0:00:00) Front cover
(0:00:10) ⚠ Warning
(0:00:20) Table of contents
(0:00:40) Introduction
(0:01:59) Story of this unit
(0:03:45) Schematic diagram
(0:04:23) Cleaning the radio
(0:05:09) The selenium rectifier
(0:05:33) Maximum current regulation
(0:06:49) Antenna connection
(0:07:17) Testing the unit
(0:08:05) Electrocution hazard
(0:08:46) Two years later
(0:09:39) Schematic diagram analysis
(0:12:55) Capacitor replacement video clips
(0:19:22) Hot chassis buzzer
(0:20:32) A small box for fuses and stuff
(0:27:34) Power cord and plug
(0:30:32) Rectifier
(0:31:28) Preparing the cores
(0:33:43) AM I.F. alignment
(0:36:45) Troubles with the FM, I.F. alignment
(0:39:18) FM, I.F. alignment
(0:43:00) Cabinet/brass/grill cloth/knobs
(0:46:17) Filling the empty dial
(0:47:42) Assembling the radio back together
(0:50:07) Final amendments (schematics)
(0:51:01) Last view of the chassis
(0:52:11) Replaced components
(0:52:20) Reveal
(1:00:25) Back cover
==================================

Tags: vacuum tubes, antique radios, old radios, vintage radios, old electronics, vintage electronics, vacuum tube equipment