![LG DP392G Скачать руководство пользователя страница 45](http://html.mh-extra.com/html/lg/dp392g/dp392g_service-manual_211390045.webp)
3-38
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1-2. Pin Description
Pin No.
Pin Name
Function
1
EN2
Enable pin for buck converter 2
2
CT2
Timing capacitor input 2
3
COMP2
Comparator inverting input 2
4
SW2
Switching output 2
5
IPK2
Current sense 2
6
PVcc1
Vcc for step down converter 1
7
PVcc2
Vcc for step down conveter 2
8
VOFC+
Focus driver output (+)
9
VOFC-
Focus driver output (-)
10
Vcc1
Vcc for power block of sled
11
VINFC
Input for focus driver
12
VINSL+
Input for the sled driver
13
MGND
Ground for motor driver
14
VOSL+
Sled driver output (+)
15
VOSL-
Sled driver output (-)
16
MGND
Ground for motor driver
17
VOTK+
Tracking driver output (+)
18
VOTK-
Tracking driver output (-)
19
MGND
Ground for motor driver
20
VOSP+
Spindle driver output (+)
21
VOSP-
Spindle driver output (-)
22
VINSP
Input for spindle driver
23
VINTK
Input for tracking driver
24
Vcc2
Vcc for power block of spindle, tracking and focus
25
PGND
Ground for analog ground
26
PGND1
Ground for step down converter 1
27
PGND2
Ground for step down converter 2
28
IPK1
Current sense 1
29
SW1
Switching output 1
30
COMP1
Comparator inverting input 1
31
CT1
Timing capacitor input 1
32
EN1
Enable pin for buck converter 1
33
MUTE
Input for mute control
34
BIAS
Input for reference voltage
Notes) Symbol of + and - (output of drivers) means polarity to input pin.
(For example, if voltage of pin10 is high, pin11 is high.)