LG LAC4710R Service Manual page 13

Fig 5) Focus control signal
FOP
F+
F-
FE
Fig 7) Spindle control signal
Fig 9) CLK, REQ & DATA
CLK
REQ
DATA
LGE Internal Use Only
PN501:F-[PIN14]
IC506:FOP[R511]
R517:FE
PN501:F+[PIN15]
PLLF
SP+
IC506:PLLF:[PIN54]
IC504:SP+[PIN11]
SP-
IC504:SP-[PIN12]
IC506:SPOUT[PIN21]
SPOUT
IC506:CLK[PIN52]
IC506:REQ[PIN53]
IC506:DATA[PIN54]
Fig 6) Tracking control signal
Fig 8) PD, RFOUT
LOADING IN
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2-8
TRP
T+
T-
IC506:TRP[R5013]
PN501:T+[PIN13]
PN501:T- [PIN16]
TE
R517:TE
PD/MD
IC506:PD[41]
RFOUT
IC506:RFOUT[46]
Only for training and service purposes