LG OK99, Service Manual

Page: 70 / 85

Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
3-49 3-50
CONNECTOR VOLTAGE
NO. CON NO.
Connector
Name
PIN NO. PIN MANE Voltage (V)
10 CN461
MAIN <-> FAN
CONTROL
1 VCC 12.12
2 GND 0.00
3 FG 0.12
4 PWM 0.95
11 CN501 Debug_MCS
1 VDD 3.56
2 NTRST 0.31
3 TDI 3.49
4 TMS 3.46
5 TCK 3.46
6 TDO 0.22
7 RESET 3.54
8 GND 0.17
9 RTCK 0.17
12 CN502
VOLUME(USB)
<-> MAIN
1 D2+ 0.01
2 D2- 0.07
3 DGND 0.00
4 USB_5V 5.16
5 USB_5V 5.16
6 DGND 0.03
7 D1+ 0.03
8 D11 0.01
13 CN503
MICOM
DEBUG1
1 3.3VA 3.53
2 GND 0.17
3 NC 0.17
4 UART_RX 3.52
5 UART_TX 0.23
14 CN504
BT Moudle <->
MAIN
1 SDA 0.31
2 SCL 3.52
3 GND 0.00
4 TXD 3.52
5 GND 0.00
6 RXD 3.52
7 RTS 2.27
8 CTS 0.16
9 RESET 3.55
10 VDD 3.55
15 CN601 NC_PWM JIG
1 GND 0.00
2
CLK_FROM_
MCS
3.35
3
DATA_FROM_
MCS
3.35
4
CLK_TO_
PWM
3.35
5
DATA_TO_
PWM
3.44
NO. CON NO.
Connector
Name
PIN NO. PIN MANE Voltage (V)
16 CN701 MAIN <-> SPK
1 FL+ 0.00
2 FL- 0.00
3 FR+ 0.00
4 FR- 0.00
17 CN702
MAIN <->
SMPS
1 +B 66.26
2 +B 66.26
3 PGND 0.00
4 PGND 0.00
5 -B -66.62
6 -B -66.62
18 CN703 MAIN <-> SPK
1 SW+ 0.00
2 GND 0.00
2 SW- 0.00
19 CN801 USB1 (2.0)
1 USB 5V 5.18
2 D- 0.10
3 D+ 0.10
4 GND 0.00
5 GND 0.00
20 CN802 USB2 (1.1)
1 USB 5V 5.18
2 D- 0.10
3 D+ 0.10
4 GND 0.00
5 GND 0.00
21 CN803
FROM TOP
<-> MAIN
1 D2- 0.10
2 D2+ 0.10
3 DGND 0.00
4 USB_5V 5.18
5 USB_5V 5.18
6 DGND 0.03
7 D1- 0.10
8 D1+ 0.10
NO. CON NO.
Connector
Name
PIN NO. PIN MANE Voltage (V)
22 CN804
MAIN <->
FRONT
1 DGND 0.16
2 F_LED_12V 11.10
3 MAIN_VOL_A 3.32
4 MAIN_VOL_B 3.32
5 FILE_S_A 0.20
6 FILE_S_B 0.20
7 SCRATCH_B 0.20
8 SCRATCH_A 0.20
9 MIC_VOL_B 3.32
10 MIC_VOL_A 3.32
11 KEY1 3.34
12 KEY2 3.33
13 KEY3 3.34
14
LAND-
INGGEAR
3.35
15 DGND 0.16
16 3.3VA 3.35
17 DGND 0.16
18 VFD_DAT 3.26
19 VFD_STB 3.27
20 VFD_CLK 3.26
21 DV_3.3V 3.34
22 DV5.0V 5.15
23 DV5.0V 5.15
24 VF_12V 11.99
25 OUT1 0.20
26 OUT2 0.20
27 OUT3 0.20
28 OUT4 0.20
29 OUT5 0.20
30 OUT6 0.20
31 OUT7 0.20
32 OUT8 0.20
33 OUT16 0.20
34 OUT15 0.20
35 OUT14 0.20
36 OUT13 0.20
37 OUT12 0.20
38 OUT11 0.20
39 OUT10 0.20
40 OUT9 0.20