LG Electronics GSA-4167B, GSA-4168B, GSA-4165B service manual Pin Functions, pin Name, pin No, Type

•Pin Functions

pin Name	pin No.	Type	max. voltage		Function
TE	1	Analog-Output			Tracking error output terminal
FE	2	Analog-Output			Focus error output terimnal
PE	3	Analog-Output			PE output terminal
LE	4	Analog-Output			Lens error output terminal
BCENT	5	Analog-Output			OPC center signal output terminal
PHBETA/TCE	6	Analog-Output			OPC top hold level signal and APC write sampleing
					signal output terminal/tilt servo detecting output terminal
BHBETA/TIE	7	Analog-Output			OPC bottom hold level signal and R-OPC sampleing
					signal output terminal/tilt servo detecting output terminal
VCC2	8	Power			Power supply connected terminal(5V)
FVREF	9	Analog-Input		VDD	Reference voltage for APC input terminal
FMD	10	Analog-Input		VDD	APC monitor diode input terminal
VDD3	11	Power			Power supply connected terminal(3.3V)
LDOUT	12	Analog-Output			Terminal to control laser drivers for APC read system
VRDC3N	13	External-components required			Terminal to connect laser driver control filters for APC
					read
VRDC2N/PWRMON	14	External-components required			Terminal to connect laser driver control filters for APC
					read/ SH monitor output terminal
VRDCN	15	External-components required			Terminal to connect laser driver control filters for APC
					read
VRDC	16	External-components required			Terminal to connect laser driver control filters for APC
					read
GND3	17	Ground			Ground connected terminal
WAG1	18	External-capacitor required			Terminal to connect WOBBLE AGC detector capacitor
WAG2	19	External-capacitor required
WAG3	20	External-capacitor required
WOBFCF	21	External-capacitor required			WOB-BPF f0 auto-adjustment external capacitor
					connected terminal
VDD5	22	Power			Power supply connected terminal(3.3V)
ATEST	23	Analog-Output			Renesas analog test signal output terminal
AWOBSIG	24	Analog-Output			Analog-level WOBBLE signal output terminal
GND5	25	Ground			Ground connected terminal
LNDTRK	26	Digital-Inputpull-up		VDD	Balans adjustment mode selection
SPBLVL/TISH2	27	Digital-Inputpull-up		VDD	R-OPC WRF signal sampling pulse input terminal
					/Tilt servo detecting sampling pulse input terminal
RFPDSH	28	Digital-Input	putpull-up	VDD	APC read system sampling pulse input terminal
WFPDSH	29	Digital-Input	putpull-up	VDD	APC write system sampling pulse input terminal
MPDSH/SPDSH	30	Digital-Input	putpull-up	VDD	Pickup input sampling pulse input terminal
WBLSH	31	Digital-Input	putpull-up	VDD	WOBBLE sampling pulse input terminal
WGATE	32	Digital-Input	putpull-up	VDD	Read/write control input terminal
RFHLD/TISH1	33	Digital-Input	putpull-up	VDD	RF hold control signal input terminal /Tilt servo detecting
					sampling pulse input terminal
IDGATE	34	Digital-Input	putpull-up	VDD	ID select pulse input terminal
LO_ZB/SPDSH	35	Digital-Input	putpull-up	VDD	Low-z (reversal) pulse input terminal
					/Pickup input sampling pulse input terminal

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