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projects:yamaha_r840 [2025/11/29 22:09] – [other interconnections] adminprojects:yamaha_r840 [2025/12/01 07:53] (current) admin
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 +~~META:
 +title=Yamaha MCR-840
 +description=Yamaha R-840 repair and hacking
 +keywords=SEO, dokuwiki, disassembly, yamaha, R840, music, hack, hacking, audio, iPod, system connector, repair
 +~~
 +
 ====== Yamaha Audio Amp/Receiver ====== ====== Yamaha Audio Amp/Receiver ======
 ===== Yamaha MCR-840 ===== ===== Yamaha MCR-840 =====
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 ==== Remote control ==== ==== Remote control ====
-There is nothing much to say. It is a simple iR remote control. There is an IC inside, marked "2428662 03160", three SOP-23 transistors(?), a diode and a handful of SMD resitors and transistors, plus the iR-LED. \\ +There is nothing much to say. It is a simple iR remote control. The main IC is marked "2428662 03160". \\ 
-For iR codes, see the service manual. \\+iR codes for R840 can be found on page 80/150 of service manual (next to remote control schematic). \\
 Here is an unspectacular insight: \\ Here is an unspectacular insight: \\
-{{:projects:yamaha:rc1.jpg?200|}} +{{:projects:yamaha:rc1.jpg?125|}} 
-{{:projects:yamaha:rc2.jpg?200|}}+{{:projects:yamaha:rc2.jpg?200|}} \\ 
 +I have taken the pictures so you can see at which positions the holding clips are - don't forget about the single screw in the battery compartment.  
 +The buttons and their layout of remote control for DVD and BD versions differ slightly. \\
 ==== Disc Player manual eject ==== ==== Disc Player manual eject ====
 The players only turn on with system connector plugged into R840 amp (see [[projects:yamaha_r840#the_round_one|below how to simulate system connector]]). \\ The players only turn on with system connector plugged into R840 amp (see [[projects:yamaha_r840#the_round_one|below how to simulate system connector]]). \\
projects/yamaha_r840.1764450573.txt.gz · Last modified: by admin

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