LG BPM55 Service Manual page 80

2-2. Pin Function
No. Name
1 SLED1_P
2 SLED1_N
3 P12V_3
4 SLED2_P
5 SLED2_N
6 PGND_2
7 C10V
8 CP1
9 CP2
10 CP3
11 GPOUT
12 XFG
13 RDY
14 SSZ
15 SCLK
16 SIMO
17 SOMI
18 SIOV
19 XRSTIN
20 TEST1
21 VLDDIN
22 CV3P3
23 AGND/DGND
24 A9P5V
25 ILDD_BD
26 ILDD_DVD
27 ILDD_CD
28 CP5V
29 LOAD_P
30 LOAD_N
31 P5V12L
32 TEST2
33 TEST3
34 P5V_1
35 TLT_N
36 TLT_P
37 TRK_P
38 TRK_N
39 FCS_P
40 FCS_N
41 PGND_1
42 P12V_1
43 U
44 ICOM1
45 V
46 P12V_2
47 W
48 ICOM2
49 MICOM
50 ISENCE
51 AGND
52 STIP1_P
53 STIP1_N
54 STP2_P
55 STP2_N
56 P5V_2
I/O Description
OUT Sled1 positive output terminal
OUT Sled1 negative output terminal
PS Power supply terminal for 12V drivers output
OUT Sled2 positive output terminal
OUT Sled2 negative output terminal
PS GND terminal for 12V drivers
MISC The capacitance connection terminal for internal regulator
MISC Capacitance connection for Charge Pump
MISC Capacitance connection for Charge Pump
MISC Capacitance connection for Charge Pump
OUT General Purpose Output (Test monitor)
OUT Motor speed signal output
OUT Device ready signal Internally pulled up to SIOV
IN SIO Slave Select Low active input terminal
IN SIO Serial clock input terminal
IN SIO Slave Input Master Output terminal
OUT SIO Slave Input Master Input terminal
PS Power supply terminal for Serial Port 3.3V typical
IN RESET input terminal to disable the driver IC
MISC Test pin. Should be open.
Laser diode control analog signal input 0 to 3V terminal. Required to set
IN
register when use VLDDIN input. Open in case of non use analog input.
MISC Capacitance terminal for internal 3.3V core (typ 0.1uF)
PS Ground terminal for digital and analog
PS Power supply terminal 9.5V Laser didoe for BD
OUT Laser diode for BD output terminal
OUT Laser diode for DVD output terminal
OUT Laser diode for CD output terminal
The capacitance connection terminal for control system power supply 0.1uF
MISC
or lager decoupling capacitor should be connected.
OUT Load positive output terminal
OUT Load negative output terminal
PS The power supply terminal (5V or 12V) for Load driver output stages.
MISC Test pin. Should be open.
MISC Test pin. Should be connected to P5V.
PS Power supply terminal for Tilt/Fcs/Trk drivers
OUT Tilt negative output terminal
OUT Tilt positive output terminal
OUT Tracking positive output terminal
OUT Tracking negative output terminal
OUT Focus positive output terminal
OUT Focus negative output terminal
PS GND terminal for Tilt/Fcs/Trk channel drivers
PS Power supply terminal for 12V driver output stage
OUT U phase output terminal for spindle motor
MISC Current sense resister terminal for spindle driver
OUT V Phase output terminal for spindle motor
PS Power supply terminal for 12V driver output stage
OUT W phase output terminal for spindle motor
MISC Current sense resister terminal for spindle driver
IN Motor center tap connection
IN Current sense input terminal for spindle drivers
PS Ground terminal for internal analog
OUT STP1 positive output terminal for collimator
OUT STP1 negative output terminal for collimator
OUT STP2 positive output terminal for collimator
OUT STP2 negative output terminal for collimator
PS Power supply terminal for 5V driver output
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