LG BH4120SN Manuals

LG BH4120SN Manuals

Manuals and User Guides for LG BH4120SN. We have 1 LG BH4120SN manual available for free PDF download: Service Manual

LG BH4120SN Service Manual

LG BH4120SN Service Manual (103 pages)

Blu-ray / DVD Home Cinema System

Brand: LG | Category: Home Theater System | Size: 23.25 MB

Table of Contents

Section 1 Summary

3
Section 2 Electrical

10
- Digital Display & Media Training Master
  11
- Distorted Picture
  11
- Picture
  16
- Picture Color
  21
- Noise/Audio Problems
  23
- Miscellaneous
  26
- Bd-Hts
  35
- One Point Repair Guide
  36
- Power Problem
  36
- Booting When You Turn the Unit On, no Message or "Please Wait"On Front Panel
  38
- Bad Hdmi Video / Audio Output
  47
- Speaker Output
  48
- Electrical Troubleshooting Guide
  49
- System Power Supply on Smps Board
  49
- Amp Power Supply on Smps Board
  50
- Power Supply on Main Board
  51
- System Part
  52
- Audio Output
  53
- Cvbs Video Output
  53
- Hdmi Output
  55
- System Part - 1
  56
- Waveforms
  56
- System Part - 2 (System Memory)
  57
- Audio Part (I2S)
  58
- Video Part (100 % Full Color - Bar)
  58
- Hdmi Part
  59
- Wiring Diagram
  62
- Block Diagram
  63
- Circuit Diagrams
  64
- Smps - Power Circuit Diagram
  64
- Main - Cpu Circuit Diagram
  65
- Main - Memory Circuit Diagram
  66
- Main - Loader Circuit Diagram
  67
- Main - Micom Circuit Diagram
  68
- Main - Hdmi Circuit Diagram
  69
- Main - Adc/Dir Circuit Diagram
  70
- Main - Dsp Circuit Diagram
  71
- Main - Power Circuit Diagram
  72
- Main - I/O Circuit Diagram
  73
- Pwm & Amp Circuit Diagram
  74
- Jack Circuit Diagram
  75
- Front Circuit Diagram
  76
- Circuit Voltage Chart
  77
- Printed Circuit Board Diagrams
  78
- Smps P. C. Board
  78
- Main P. C. Board
  79
- Amp P.C.board
  80
- Front P. C. Board
  81
- Jack P. C. Board
  81
Section 3 Cabinet & Main Chassis

82
- Cabinet and Main Frame Section
  84
- Exploded Views
  84
- Deck Mechanism Section (Bm15T1.Im11)
  85
- Packing Accessory Section
  86
- Front / Center / Rear Speaker
  87
- Speaker Section
  87
- Passive Subwoofer
  88
Section 4 Mt8560 F/E Loader Part

90
- All Bd Disc" Reading Error
  91
- One Point Repair Guide
  91
- All DVD Disc" Reading Error
  92
- All CD Disc" Reading Error
  93
- How to Use the Sa Reset Function
  94
- Purpose
  94
- Required Sa Reset
  94
- Sa Reset Procedure
  94
- Ic501 (Mt8560)
  96
- Major IC Internal Block Diagram and Pin Description
  96
- Ic701 (Tpic2050): 9Ch Motor Drive with 3 Beam Laser Diode Driver
  99
- Pick-Up Connector Terminal Pin Assignments
  101
- Block Diagram
  102

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