Harman Kardon PM645 Amplifier - Troubleshooting and Repair
Автор: SunandWeather Electronics
Загружено: 2021-12-14
Просмотров: 5108
Systematic troubleshooting and repair of the Harman Kardon PM645.
Music:
Title: Bach's Double Violin Concerto in C minor, BWV 1060
Author: the Advent Chamber Orchestra with David Parry and Roxana Pavel Goldstein (violins)
Source: The Al Goldstein collection in the Pandora Music (http://music.ibiblio.org/pub/multimed...) repository at ibiblio.org.
License: CC-BY-SA-2.0 (https://creativecommons.org/licenses/...)
Title: Goldberg Variations BWV 988 01 Aria
Author: Composer: Johann Sebastian Bach; Performer: Kimiko Ishizaka
Source: Open Goldberg Variations (https://music.kimiko-piano.com/album/...)
License: CC BY 3.0 (https://creativecommons.org/licenses/...)
00:00 Initial analysis
02:27 Troubleshooting 1: Signal Searching
06:39 Repair 1: The Input Selector Switch
07:04 Digression: Star Ground
07:36 Test 1
08:16 Repair 2: Power Supply
09:19 Test 2
09:59 Troubleshooting 2: Signal Searching Part 2
14:20 Repair 2: Resistor Fuse
15:28 Test 3
15:43 Troubleshooting 3: Short Circuit Searching
17:12 Repair 3: Capacitor
18:13 Test 4
18:39 Reassembly
19:32 Demonstration
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