Pioneer VSX-LX53 Service Manual page 59

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Diagnosis
Note 1 : Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures
described here are common.
Note 2 : For performing the diagnosis shown below, the following jigs for service is required.
• 30P board to board extension jig cable (GGD1682) x 2
• 24P + 14P board to board extension jig cable (GGD1683)
• 20P + 20P board to board extension jig cable (GGD1677)
• 19P FFC (GGD1678)
[1] Front Section
Remove the Bonnet by removing the 18 screws.
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[1-1] Exterior
(1) Remove the five screws.
(VSX-LX53: ABA1193)
(VSX-2020-K: BBZ30P080FCC)
(2) Remove the eight screws. (BBZ30P080FCC)
TE
L 13942296513
(3) Release the jumper wire from two binders.
(4) Disconnect the one connector.
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HEADPHONE ASSY
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REGULATOR ASSY
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FRONT MIC&VIDEO ASSY
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FRONT HDMI USB ASSY
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