LG HB954TB, Service Manual, Page: 109 / 121

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3. PICK-UP CONNECTOR TERMINAL PIN ASSIGNMENTS
PIN NO PIN NAME DESCRIPTION
1 FCS2+ FO
2 FCS2- FOCUSING2-
3 TRK+ T
4 FCS1+ FO
5 TRK- TRACKING-
6 FCS1- FOCUSING1-
7 A- Stepping Motor A- Terminal
8 B- Stepping Motor B- Terminal
9 A+ Stepping Motor A+ Terminal
10 B+ Stepping Motor B+ Terminal
11 VCC_CLSFT Sensor Power Supply 3.3V
12 SIG_PO Output signal from the reference position sensor of BD COL SHIFTER
13 GND_CLSFT GND for CL SHIFTER
14 A A output
15 B B output
16 C C output
17 D D output
18 SA SA output
19 SB SB output
20 SC SC output
21 SD SD output
22 SW3 PDIC BD Sub Output Switch Port
23 RF+(BD) RF(+) output for BD
24 RF-(BD) RF(-) output for BD
25 RF+(DVDCD) RF(+) output for DVDCD
26 RF-(DVDCD) RF(-) output for DVDCD
27 VREF_PD PDIC Reference Supply Terminal 2.1V
28 VCC_+5PD PDIC Power Terminal 5V
29 NC NC
30 GND_PD GND for PDIC
31 NC(SW) 2-Wavelength PDIC DVD/CD/Sleep Changeover SW
32 VCC_LDR LDD 5V-Power Supply for LD,DVD and CD
33 VCC_LDB LDD 9V-Power Supply for LD,BD
34 NC NC
35 GND1_LDD LDD GND Terminal
36 GND1_LDD LDD GND Terminal
37 VMON Monitor Voltage Output Terminal
38 VCC LDD 5V-Power Supply for Logic
39 LDEN LD Enable Input Terminal
40 SEN Serial Resistor Chip Select Input Terminal
41 SCLK Serial Clock Input Terminal
42 SDIO Serial Resistor Data Input/Output Terminal
43 XRST Serial Resistor RESET Input Terminal
44 GND1_LDD LDD GND Terminal
45 TEMP Thermistor
ACT
CL SHIFTER
PDIC
LDD