Marantz SR5200 the power amplifier left channel no sound fault repair methods |
| Time£º2015-06-03 08:15:44 Source£ºNetwork Author£ºUnknown Clicks£º1894 |
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kEmservice manual download site
kEmservice manual download site
Will find the chips next to a row of capacitors is identified as C794C,C794CS,C794SR,C794SL, C794SW, and so on, this is what marks the position of each channel signal. Main-channel IC720 the r and l model CS4391 (same as CS4392) chip, with IC719 as, the difference is only responsible for the two main channels, measuring 4392 power supply, clock, data, reset to normal, direct replacement, try main-channel voice returns to normal. Summary, decode Board is damaged is not terrible, not data circuit drawings are not to be feared, as long as the clear principle of circuits and signals the ins and outs, I believe Members will soon find fault parts.kEmservice manual download site
kEmservice manual download site
Worth note of is, decoding Board Shang rich complete of components identifies, including clock, and data, and digital simulation signal entered output points are has measurement points identifies, this on maintenance up has is big of help role, this point very worth appreciates, this also just description maintenance is a items needs carefully of work, seriously observation and objective analysis often will on fault of troubleshooting up to vital of role.kEmservice manual download site
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