Pick-Up Connector Terminal Pin Assignments (Lth-A12) - LG LHB976 Service Manual

3. PICK-UP CONNECTOR TERMINAL PIN ASSIGNMENTS (LTH-A12)

PIN NO. PIN NAME
1 FCS2+
2 FCS2-
3 TRK+
4 FCS1+
5 TRK-
6 FCS1-
7 A-
8 B-
9 A+
10 B+
11 PGND(NC)
12 NC
13 NC(VCC)
14 A
15 B
16 C
17 D
18 SA
19 SB
20 SC
21 SD
22 NC
23 RF+
24 RF-
25 SWB2
26 SWB1
27 VREF_PD
28 VCC_+5PD
29 PGND
30 SW
31 GND1
32 LDI BD
33 LDI CD
34 LDI DVD
35 LGND
36 TEMP
37 VCC
38 MON_CD/DVD
39 MON_BD
40 SEL_DVD
41 SEL_CD
42 LGND(NC)
43 NC
44 LGND
45 GND_BDPD
DESCRIPTION
FOCUSING2+
FOCUSING2-
TRACKING+
ACT
FOCUSING1+
TRACKING-
FOCUSING1-
Stepping Motor A-Terminal
Stepping Motor B-Terminal
CMU SHIFTER
Stepping Motor A+Terminal
Stepping Motor B+Terminal
GND for PDIC(NC)
NC
NC(Terminal for LG pick-up recognation)
A output
B output
C output
D output
SA output
SB output
SC output
PDIC
SD output
NC
RF + output for BD and DVD, CD
RF - output for BD and DVD, CD
PDIC BD Output Switch Port
PDIC BD Output Switch Port
PDIC Reference Supply Terminal 2.1 V
PDIC Power Terminal 5 V
GND for PDIC
2-Wavelength PDIC DVD/CD/Sleep(L/H/M) Changeover SW
GND for LD and HFM IC
LD control for LD,BD
LD control for LD,CD
LD control for LD,DVD
GND for LD and HFM IC
Thermister
Vcc for HFM IC 5 V
LD
HFM IC Monitor Output for DVD & CD
Monitor
Monitor Output for BD
Select Input for DVD Monitor(L:Enable)
Select Input for CD Monitor(L:Enable)
GND for LD and HFM IC(NC)
GND for LD and HFM IC(NC)
GND for LD and HFM IC
GND for Back monitor PD,BD
4-14
FUNCTION