🔴 Cobra 25 NW ST CB Radio Repair SN9772 - No.879

Cobra 25 NW ST CB Radio Repair

0:00 - Intro.
0:28 - Freeing stuck channel selector of Cobra CB Radio.
4:10 - Testing for faults on Cobra 25 NW ST.
5:04 - Checking VCO adjustment of Cobra 25.
5:50 - CB/PA switch fault.
6:20 - Testing AM TX and modulation level.
7:34 - Dismantling the CB/PA switch to repair it.
9:33 - Re-testing after PA switch repair.
10:03 - Replacing the Signal Meter.
12:34 - Re-testing after signal meter replacement.
13:03 - Testing receive sensitivity of the Cobra 25 NW ST CB Radio.
17:09 - Repairing the AMC circuit.
19:52 - Adjusting the AMC after AMC circuit repair.
20:59 - Setting the AMC using an oscilloscope.
22:21 - Adjusting the local oscillator and CB radio frequency.
24:51 - Patreon Supporters: https://defs.link/?u=fcb3a1
24:58 - Outtakes.

SN_912039772

▶ Subscribe: https://defs.link/?u=ffa106
Click the Bell Icon to get notifications about my future videos!

*** Affiliate links: (Bookmark and buy using them) ***
▶ Banggood: https://defs.link/?u=5d46ae
▶ Amazon Store: https://www.amazon.com/shop/thedefpomsrepairchannel
▶ 👕👚🎽☕ Merchandise: https://teespring.com/stores/TheDefpom

Donate so I can make more videos for you:
▶ Become a Patreon!: https://defs.link/?u=fcb3a1
▶ Become a YouTube Member: https://www.youtube.com/channel/UCllpBTH26_dAl5tYl7vA1TQ/join
▶ PayPal Donations: https://defs.link/?u=b099ee

▶ My Odysee channel: https://odysee.com/@TheDefpom:fa
▶ My Bitchute channel: https://www.bitchute.com/channel/TheDefpom/
▶ My Utreon channel: https://utreon.com/c/TheDefpom

▶ Test Equipment Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE21HOatpZqBT7XPDF-xVgYp
▶ Electronics & Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3HC6pRLVhotWsQbshtmLcw
▶ Review & Teardown Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3BQ0oNHtWTPQ-0QslbrgEb
▶ Mailbag / Postbag Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1ba-zQlmWqBLqhZPDR6wFj
▶ Electronics Projects Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3scjKfNCTPedENrGu2zViF
▶ Apple Repair Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE1vu2Hh_8Mg5NhVSWzbPWFD
▶ CB & HAM Radio Videos: https://www.youtube.com/playlist?list=PL2z3V9RkHQE3ki74hMMitH9aRlLa9ZgZx

▶ My website: https://www.TheDefpom.com
▶ My Twitter: https://www.twitter.com/TheDefpom
▶ My Thingiverse for 3D printed replacement test equipment parts: https://defs.link/?u=0347b1

#TheDefpom
#ElectronicsCreators
#CBradio
#Repair
#Electronics
#Defpom

====================
My Electronics Tools (video and purchase links)
====================
Boonton
------
4220.
8210: https://defs.link/?u=e1eddc

Fluke
------
8842A:
45: https://defs.link/?u=eac51d

HP/Agilent/Keysight
------
3457A.
4261A: https://defs.link/?u=07ed95
5342A 18GHz: https://defs.link/?u=5f7513
6181B: https://defs.link/?u=b12aef
8012B: https://defs.link/?u=ca5764
8648B: https://defs.link/?u=da52a3
8901B: https://defs.link/?u=535835
DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498
E3646A: https://defs.link/?u=128f4a

Marconi
------
2022D.
2955: https://defs.link/?u=6f6e5e
TF2103: https://defs.link/?u=61baaa

Rohde & Schwarz
------
SMY: https://defs.link/?u=93514b
CMU200: https://defs.link/?u=8ccd72
Polarad SPN: https://defs.link/?u=2ead82

Siglent
------
SDM3065X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDS1104X-E.
SDS2102 (hacked to 340MHz): https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDS2104 X Plus.
SDP1168X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498
SDL1020X-E: https://defs.link/?u=a0eccb

Other Equipment
------
UNI-T UTi260B Thermal Imager: https://defs.link/?u=f3283d7 (use discount code: BG45411)
KSGER T12 Soldering Iron: https://defs.link/?u=620ace http://defs.link/?u=5c112e
Quick 861DW: https://defs.link/?u=138c0f https://defs.link/?u=a3fc81
Pro'skit SS-331 Desoldering Station: https://youtu.be/o_OKRknuoCM
S-993A: https://defs.link/?u=079677 https://defs.link/?u=e855a0
Heathkit IT-12 Signal Tracer.
Racal Dana 1992: https://defs.link/?u=8eeeba
Bird 43: https://defs.link/?u=4b18f7
Korad KA3305D: https://defs.link/?u=69090a
PDVS2mini: https://defs.link/?u=869ba4
Valhalla 2703: https://defs.link/?u=06bcfc
Feeltech FY6800: https://defs.link/?u=8b98cd http://defs.link/?u=34d101
Eakins Microscope: https://defs.link/?u=b0278b https://defs.link/?u=262327
Mustool G600: https://defs.link/?u=b8bc26 https://defs.link/?u=33f0aa
Uni-T UT210E: https://defs.link/?u=391ce3 https://defs.link/?u=ea4edc
DER DE-5000: https://defs.link/?u=0d9160 https://defs.link/?u=12d498
MK-328: https://defs.link/?u=0d9160 https://defs.link/?u=739ee7
MESR-100: https://defs.link/?u=0d9160 https://defs.link/?u=009419
ESR Meter: https://defs.link/?u=0d9160
HOPI: https://defs.link/?u=7fab55
PeakMeter PM6252: https://defs.link/?u=59ef66
HS1010: https://defs.link/?u=10c699

Видео 🔴 Cobra 25 NW ST CB Radio Repair SN9772 - No.879 канала Defpom's Electronics Repair