Samsung MX-F870 - Check AMP in Power Protection

4.Troubleshooting
4.2.2.CheckAMPinPowerProtection
Ifyouthink,thereareproblemsattheAMPPart,youcancheckthePCBwithoutdisassemblingtheset.
CAUTION
Donotconnectthepowercordduringthetest!
MeasurementResistanceusingTester
CH
MX-F830:2CH,MX-F830B:2CH
MX-F870:4.2CH,MX-F850:2.1CH
F/RCH2.2kΩ
SUBWOOFER2.2kΩ
REAR2.2kΩ
IfMeasuredResistanceisverydifferentfromabovenumbers,ThereisaProblem.
→AMPPartProblem
4.2C H S P E AKE R O U T
FRONT R
S UB WOOFER L
FRONT L
REAR L
REAR R
S UB WOOFER R
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