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Friday, 16 November 2012

Sony Xplod-XM-554ZR Amplifier circuit board resistor

Problem with Sony Xplod XM-554ZR Car Audio Amplifier

Sony Xplod-XM-554ZR-- - - Resistor on circuit board HELP!!!

Well my brothers amp on his car just quit working. Me being an EE student i go ahead and open up to see whats inside. Unscrew everything and turn the board over to find a "open" surface mount resistor. I would like to find out what the value is for this "R466" (around in the middle of the board). This resistor burnt up, so basically it is unidentifiable. Possible values but not sure could be 2R1 which is 2.1 Ohms or, could be 221 which equals 220 Ohms. Can anyone please tell me the value or numbers on the top of this resistor, i would greatly appreaciate it. AGAIN the resistor is R466 around the middle of the board.

R466 is chip resistor 220 Ohms 1/8 watt connecting between Emitter pins of Q408 and Q409.

Its part number is ...

R466 "1-216-182-00" RES-CHIP 220 5% 1/8W

Available in Part Store.

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