LG 49UK6090BUA Manuals

Manuals and User Guides for LG 49UK6090BUA. We have 1 LG 49UK6090BUA manual available for free PDF download: Service Manual

LG 49UK6090BUA Service Manual (100 pages)

CHASSIS : UA83P

Brand: LG | Category: LED TV | Size: 13.99 MB

Contents
2
Safety Precautions
3
Important Safety Notice
3
General Guidance
3
Leakage Current Hot Check
3
Servicing Precautions
4
General Servicing Precautions
4
Electrostatically Sensitive (ES) Devices
4
General Soldering Guidelines
4
IC Remove/Replacement
5
Circuit Board Foil Repair
5
At IC Connections
5
Power Output, Transistor Device
5
Specification
6
Application Range
6
Test Condition
6
Test Method
6
External Input Support Format
7
Component
7
HDMI Input (PC/DTV)
7
Software Update
9
Usb
9
Nsu
9
Block Diagram
10
Main IC
10
Epi / Ceds
11
Vx1
12
Tuner
13
Video / Audio IN/OUT
14
Hdmi2.0
15
USB / WIFI / M-REMOTE / UART(Debug)
16
I2C Map
17
Gpio
18
Gpio(Micom – Abov)
19
Power
20
Power 2
21
Exploded View (Set)
22
Exploded View (Module)
23
Disassembly Guide (Set)
24
Trouble Shooting Guide
28
Contents of Standard Repair Process
29
Video Error
29
Power Error
29
Audio Error
29
No Video/ Normal Audio
30
No Video/ no Audio
31
Picture Broken/ Freezing
32
Color Error
33
Vertical/Horizontal Bar, Residual Image, Light Spot
34
External Device Screen Error-Color Error
34
No Power
35
Off When On, off While Viewing, Power Auto On/Off
36
No Audio/ Normal Video
38
Wrecked Audio/ Discontinuation/Noise
39
Function Error
40
Remote Control & Local Switch Checking
40
Remote Control(R/C) Operating Error
40
MR Remote Operating Checking
41
Mr18(Magic Remocon) Operating Error
41
Wifi Operating Checking
42
Wifi Operating Error
42
External Device Recognition Error
43
Noise
44
Circuit Noise, Mechanical Noise
44
Exterior Defect
45
Contents of Standard Repair Process Detail Technical Manual
46
Check LCD Back Light with Naked Eye
48
Check White Balance Value
49
TUNER Input Signal Strength Checking Method
50
Version Checking Method
51
Checking Method for Remote Control for Adjustment
51
TUNER Checking Part
52
Connection Diagram
53
Check Link Cable(EPI) Reconnection Condition
54
Exchange Power Board (PSU)
65
No Light
65
No Picture/Sound Ok
65
Power Error _No Power
66
Check Front Power Indicator
66
Adjusting the Menu
66
Basic Functions
66
Check Power Input Voltage and ST-BY 7.8V
67
Power Check Sequence
67
POWER off MODE Checking Method
68
Audio Error_No Audio/Normal Video
69
Checking Method in Menu When There Is no Audio
69
Voltage and Speaker Checking Method When There Is no Audio
70
Remote Control Operation Checking Method
71
IR & EYE Sensor
71
Checking Order to Check Remote Control
71
Wifi & BT Front
72
Wifi & BT Rear
72
How to Use the Service Remote Control
73
Remote Control Part Definition
74
Check Items after Main B/D Replacement
76
Check Items Afer Main B/D(Model Number D/L, White Balance)
76
Video Error_Color Error
77
Adjustment Test Pattern - ADJ Key
77
Smart JIG Power Diagnosis
78
Muitl Gender Guide
78
Power Board Muitl Gender JIG Diagram
79
Power Board Muitl Gender JIG Diagnostic Model List
80
Existing 12Y, 13Y, 14Y, 15Y LED Models Included
80
Power Board Muitl Gender How to Connect
81
Power Board Muitl Gender JIG
81
Smart Jig Voltage Setting
82
Power Board Diagnostic Method
83
18Pin Power Board Diagnostic Method
91
12Pin Power Board Diagnostic Method
94
28Pin Power Board Diagnostic Method
96
55Uk63Xxpsx PMIC Voltage Measurement Point
98
PCB Test Point
98

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LG 49UK6090BUA Service Manual (100 pages)

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