Pick Up Pin Assignment - LG RH178H Service Manual

2. PICK UP PIN ASSIGNMENT

No. Pin Name
45 T-
44 T+
43 Tilt-
42 Tilt+
41 F-
40 F+
39 GND(LDD)
38 VCC(LDD)
37 ENABLE
36 OUTSEL
35 RSET
34 W1SET
33 W2SET
32 W3SET
31 VCC(LDD)
30 GND(LDD)
29 GND(LDD)
28 OSCEN
27 W3DIS
26 W3DISN
25 W2DIS
24 W2DISN
23 W1DIS
22 W1DISN
21 GND(FPD)
20 TEMP
19 FPD-OUT
18 VREF(FPD)
17 GND(TEMP)
16 VCC(FPD)
15 SW2(FPD)
14 RF-
13 RF+
12 SW1(PDIC)
11 D
10 C
9 EF3
8 EF2
7 B
6 A
5 EF1
4 EF4
3 GND(PDIC)
2 VCC(PDIC)
1 VC(PDIC)
Signal Description
Tracking Actuator drive signal-
Tracking Actuator drive signal+
Tilting Actuator drive signal-
Tilting Actuator drive signal+
Focusing Actuator drive signal-
Focusing Actuator drive signal+
Ground connection for LDD
Power supply for LDD
Disables output current regardless of OUTEN(ENABLE Low:No lout)
High:selects DVD LD, Low:CD LD
Input voltage for current amplifier
Input voltage for current amplifier
Input voltage for current amplifier
Input voltage for current amplifier
Power supply for LDD
Ground connection for LDD
Ground connection for LDD
TTL control for Oscillator Enable (High Enable)
LVDS control for output current (High Enable)
LVDS control for output current (Low Enable)
LVDS control for output current (High Enable)
LVDS control for output current (Low Enable)
LVDS control for output current (High Enable)
LVDS control for output current (Low Enable)
Ground connection for PDIC, FPD, TEMP
Output voltage for controlling temperature
APC amplifier output
APC amplifier reference voltage output
Ground connection for PDIC, FPD, TEMP
Power supply for FPD
FPD output gain Select (High : CD, Low:DVD)
Signal PDIC RF negative differential output
Signal PDIC RF positive differential output
PDIC output gain Select (L/M/H)
Signal PDIC output D
Signal PDIC output C
Signal PDIC output EF3
Signal PDIC output EF2
Signal PDIC output B
Signal PDIC output A
Signal PDIC output EF1
Signal PDIC output EF4
Ground connection for PDIC, FPD, TEMP, LDD
Power supply for PDIC(+5V)
Reference voltage input for PDIC)
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