LG OK75 User Manual

Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
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4. MAIN CAPACITOR 5. CONNECTOR VOLTAGE
NO. LOCATION NO. Value
110V-20% 220V+20%
(88V/60Hz) V (288V/50Hz) V
1 C257 470uF +12V 12.06
2 C271 220uF USB_5V 5.03
3 C345 220uF DVCC_3.3V 3.28
4 C402 100uF DVCC_5V 5.03
5 C404 47uF DVCC_3.3V 3.27
6 C409 47uF DVCC_3.3V 3.27
7 C416 47uF DVCC_3.3V 3.27
8 C418 3.3uF VREF 1.63
9 C427 220uF M_5V 5.03
10 C481 100uF FAN_DC 11.98
11 C5B21 220uF VDD_CORE 1.26
12 C614 100uF DVCC_3.3V 3.28
13 C713 10uF +12V 11.91
14 C714 10uF +12V 11.91
15 C748 680uF +B +66V 48.30
16 C749 680uF -B -66V 48.30
17 C752 680uF +B +66V 48.30
18 C753 680uF -B -66V 48.30
19 C801 100uF USB_5V 5.21
20 C802 47uF F- 3.07
21 C805 1uF VFD_12V 11.95
22 C806 1uF DVCC_3.3V 3.29
23 C813 100uF USB_5V 5.21
24 C821 47uF F+ 5.18
25 C831 1uF VH 29.81
26 C832 1uF VH 20.90
27 C833 1uF VH 20.90
28 C834 1uF VH 16.80
29 C903 330uF 122.30 372.10
30 C904 330uF 122.30 372.10
31 C933 2200uF 12.10 12.10
32 C934 470uF 12.10 12.10
33 C952 2200uF 49.10 49.10
34 C953
2200uF 49.10 49.10
NO.
LOCATION
NO.
Connector Name PIN NO. PIN MANE
Voltage(V)
LOCATION
NO.
Vin Vout
1 CN502
MAIN  TOP(USB)
1 D2+ 0.01 0.01
CN803
2 D2- 0.07 0.07
3 DGND 0.00 0.00
4 USB_5V 5.17 5.17
5 USB_5V 5.17 5.17
6 DGND 0.00 0.00
7 D1+ 0.03 0.03
8 D1- 0.01 0.01
2 CN504
MAIN  BT Moudle
1 SDA 0.12 0.12
BT
Module
2 SCL 3.33 3.33
3 GND 0.00 0.00
4 TXD 3.33 3.33
5 GND 0.00 0.00
6 RXD 3.33 3.33
7 RTS 1.49 1.49
8 CTS 1.51 1.51
9 RESET 3.33 3.33
10 VDD 3.33 3.33
3 CN102
MAIN  TOP
12511HS-25SS-K
1 GND 0.00 0.00
CN804
2 GND 0.00 0.00
3 MAIN_VOL_A 3.33 3.33
4 MAIN_VOL_B 3.32 3.32
5 FILE_S_A 3.29 3.29
6 FILE_S_B 3.29 3.29
7 SCRATCH_B 3.29 3.29
8 SCRATCH_A 3.29 3.29
9 MIC_VOL_B 3.29 3.29
10 MIC_VOL_A 3.29 3.29
11 KEY1 3.27 3.27
12 KEY2 3.27 3.27
13 KEY3 3.27 3.27
14
LANDING
GEAR
3.33 3.33
15 GND 0.00 0.00
16 +3.3V 3.35 3.35
17 DGND 0.00 0.00
18 VFD_DAT 3.14 3.14
19 VFD_STB 3.14 3.14
20 VFD_CLK 3.14 3.14
21 DV_3.3V 3.33 3.33
22 DV_5.0V 5.05 5.05
23 DV_5.0V 5.05 5.05
24 VF_12V 12.02 12.02
25 GND 0.00 0.00

LG OK75 Specifications

General

Output Power	1000W
Bluetooth	Yes
Karaoke Creator	Yes
DJ Effects	Yes
USB Playback	Yes
Multi Jukebox	Yes
Party Accelerator	Yes
Type	Mini Hi-Fi System
Audio Playback	MP3, WMA
FM Radio	Yes
CD Player	Yes
Brand	LG
Model	OK75
Category	Stereo System
Disc Formats	CD, CD-R, CD-RW
Radio	FM
Audio Inputs	USB
Speaker Configuration	2.0 Channel