LG V190 DVD Player Manuals

Manuals and User Guides for LG V190 DVD Player. We have 2 LG V190 DVD Player manuals available for free PDF download: Service Manual, Owner's Manual

LG V190 Service Manual

LG V190 Service Manual (115 pages)

Brand: LG | Category: DVD VCR Combo | Size: 21 MB

Table of Contents

Table of Contents
3
Product Safety Servicing Guidelines for DVD+Vcr Products
4
Servicing Precautions
5
General Servicing Precautions
5
Insulation Checking Prodedure
5
Electrostatically Sensitive Devices
5
Service Information for Eeprom IC Setting (Vcr)
6
Service Information for Eeprom (DVD)
7
Specifications
8
Cabinet & Main Chassis
10
Exploded Views
11
Cabinet and Main Frame Section
11
Packing Accessory Section
12
Vcr Electrical Adjustment Procedures
15
Servo Adjustment
15
Vcr Part
15
Specification
15
Vcr Electrical Troubleshooting Guide
16
Power(Smps) Circuit
16
System/Key Circuit
19
Servo Circuit
20
KEY Doesn't Working
22
Y/C Circuit
23
When the C(Color) Signal Doesn't Appear on the Screen in PB Mode
25
Hi-Fi Circuit
27
Tuner/If Circuit
30
Block Diagrams
32
Power(Smps) Block Diagram
32
System Block Diagram
33
Avcp Block Diagram
34
Hi-Fi Block Diagram
35
Tuner Block Diagram
36
Circuit Diagrams
37
Power(Smps) Circuit Diagram
37
System Circuit Diagram
38
Avcp Circuit Diagram
39
Hi-Fi Circuit Diagram
40
Tuner Circuit Diagram
41
Waveforms
42
Circuit Voltage Chart
43
Printed Circuit Board Diagrams
46
Main P.C.board (Top Side)
46
Main P.C.board (Bottom Side)
47
Power P.C.board
48
Key / Timer P.C.board
49
DVD Part
50
DVD Electrical Troubleshooting Guide
50
Power Check Flow
50
System Operation Flow
51
Test & Debug Flow
52
Details and Waveforms on System Test and Debugging
58
System 27Mhz Clock, Reset Signal
58
Sdram Clock
59
Tray Open/Close Signal
59
Sled Control Related Signal (no Disc Condition)
61
Lens Control Related Signal (no Disc Condition)
61
Laser Power Control Related Signal (no Disc Condition)
62
Focus on Waveform
62
Spindle Control Waveform (no Disc Condition)
63
Tracking Control Related Signal (System Checking)
64
Rf Waveform
65
Zr36966 Audio Optical and Coaxial Output (Spdif)
65
Zr36966 Video Output Waveform
66
Audio Output from Audio Preamp
67
Block Diagrams
68
System Block Diagram
68
Servo Block Diagram
69
Audio & Video In/Out Block Diagram
70
Circuit Diagrams
72
Mpeg Circuit Diagram
72
Servo Circuit Diagram
73
Jack Circuit Diagram
74
Deck Mechanism Parts Locations
77
Top View
77
Bottom View
77
Disassembly and Assembly of Deck Mechanism
78
Disassembly of Drum Assembly
78
Holder Assembly CST
80
Disassembly of Gear Assembly Rack F/L
80
Opener Door
80
Arm Assembly F/L
80
Lever Assembly S/W
80
Motor Assembly L/D
81
Gear Wheel
81
Arm Assembly Cleaner
81
Head F/E
81
Base Assembly A/C Head
81
Brake Assembly T
82
Arm Assembly Tension
82
Reel S Reel T
82
Base Assembly P4
83
Opener Lid
83
Arm Assembly Pinch
83
Arm T/Up
83
Supporter, Capstan
84
Belt Capstan/Motor Capstan
84
Lever F/R
84
Clutch Assembly D37
84
Gear Drive/Gear Cam
85
Gear Sector
85
Brake Assembly Capstan
85
Plate Slider
85
Lever Tension
85
Lever Spring
85
Lever Brake
85
Gear Assembly P2/Gear Assembly P3
86
Base Assembly P2/Base Assembly P3
86
Base Loading
86
Base Tension
87
Arm Assembly Idler Jog
87
Copyright © 2007 LG Electronics. Inc. All Right Reserved
87
Deck Mechanism Adjustment
88
Fixtures and Tools for Service
88
Mechanism Assembly Mode Check
89
Top View
89
Previous Preparation for Deck Adjustment
90
Torque Measuring
90
Guide Roller Height Adjustment
91
Prior Adjustment
91
Fine Adjustment
91
Audio/Control (A/C) Head Adjustment
92
Prior Adjustment
92
Tape Path Check between Pinch Roller and Take-Up Guide
93
Fine Adjustment (Azimuth Adjustment)
93
X-Distance Adjustment
93
Adjustment after Drum Assembly (Video Heads)
94
Check of Traveling Device after Deck Assembly
94
Audio, RF Normalization Time (Locking Time) Check in Play after CUE or REV
94
Check of Tape Curl and Jam Status
94
Protection, Maintenance and Check of Video Function
95
Essential Check and Repair
96
Regular Check and Repair
96
Tools for Check and Repair
96
Maintenance Process
96
Removal of Foreign Materials
96
Grease Application
97
Deck Mechanism
99
Front Loading Mechanism
102
Exploded Views
104
Front Loading Mechanism Section
104
Moving Mechanism Section(1)
105
Moving Mechanism Section(2)
106
LGE Internal Use Only
106
Deck Mechanism Parts Locations
109
Top View (with Tray)
109
Top View (Without Tray)
109
Bottom View
109
Deck Mechanism Disassembly
110
Main Base
110
Clamp Assembly Disc
110
Plate Clamp
110
Magnet Clamp
110
Clamp Upper
110
Tray Disc
110
Base Assembly Sled
111
Gear Feed
111
Gear Middle
111
Gear Rack
111
Rubber Rear
111
Frame Assembly Up/Down
112
Belt Loading
112
Gear Pulley
112
Gear Loading
112
Guide Up/Down
112
Pwb Assembly Loading
112
Base Main
112
Exploded View
114
Deck Mechanism Exploded View
114

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LG V190 Owner's Manual

LG V190 Owner's Manual (36 pages)

DVD PLAYER/ VIDEO CASSETTE RECORDER

Brand: LG | Category: DVD VCR Combo | Size: 1 MB

Table of Contents

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