Onkyo FR-N3X Service Manual page 34

DISASSEMBLING PROCEDURES (CD) -2
CD MECHANISM : REPLACEMENT OF OPTICAL PICKUP
Short-circuit two LD short terminals on the optical
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pickup unit with solder.
--Bottom view of CD mechanism--
Disconnect the two flat cables.
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P201
--Bottom view of CD mechanism--
[NOTE]
Do not crease the flat cable.
Because flat cable may be damaged.
LD short terminals
P101
Move the lever to left side.
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FR-N3X