User Manuals: LG XH-T7620X Home Cinema Set

Manuals and User Guides for LG XH-T7620X Home Cinema Set. We have 1 LG XH-T7620X Home Cinema Set manual available for free PDF download: Service Manual

LG XH-T7620X Service Manual

LG XH-T7620X Service Manual (62 pages)

LG DVD/CD Receiver Service manual

Brand: LG | Category: Receiver | Size: 10 MB

Table of Contents

Service Manual
1
Table of Contents
2
Servicing Precautions
3
- Notes Regarding Handling of the Pick-Up
  3
- Repair Notes
  3
Section 1. General

3
Section 2. Audio Part

8
- Front Circuit
  9
- Wiring Diagram
  12
- Block Diagram
  13
- Circuit Diagrams
  14
  - Smps(Power) Circuit Diagram
    14
  - Power Interface Circuit Diagram
    15
  - Μ-COM(MAIN) CIRCUIT DIAGRAM
    16
  - Servo Circuit Diagram
    17
  - I/O Circuit Diagram
    18
  - MIC Circuit Diagram
    19
  - Usb Circuit Diagram
    20
  - MIC & Usb Circuit Diagram
    21
  - Hdmi Circuit Diagram(Optional Part)
    22
  - Front Circuit Diagram
    23
  - Main P.C. Board Diagram ( Top View )
    24
  - Printed Circuit Board Diagrams
    24
  - Main P.C. Board Diagram ( Bottom View )
    25
  - Smps P.C. Board
    26
  - Bottom View
    27
  - Key P.C. Board
    27
  - Timer P.C. Board
    27
  - Top View
    27
- Electrical Troubleshooting Guide
  28
- Power on
  28
Section 3. DVD & Amp Part

28
- Test & Debug Flow
  29
- AUDIO Μ-COM Circuit(DVD & AMP)
  35
- Opt.
  35
- Details and Waveforms on System Test and Debugging
  36
- ES8381 Main Clock Is at 27Mhz(X501)
  36
- ES8381 Reset Is High Active
  36
- SYSTEM 27Mhz CLOCK,RESET,FLASH R/W SIGNAL
  36
- Flash R/W Enable Signal During Download
  37
- Sdram Clock
  37
- Tray Close Waveform
  38
- Tray Open/Close Signal
  38
- Tray Open/Close Waveform
  38
- Sled Control Related Signal (no Disc Condition)
  39
- Tray Open Waveform
  39
- Laser Power Control Related Signal(no Disc Condition)
  40
- Lens Control Related Signal(no Disc Condition)
  40
- Disc Type Judgement Waveforms
  41
- Focus on Waveforms
  43
- Spindle Control Waveforms (no Disc Condition)
  44
- Tracking Control Related Signal
  44
- Es6698Fd Video Output Waveforms
  45
- Full Colorbar Signal(COMPOSIT)
  45
- Audio L/R
  46
- Audio Output from Pwm IC
  46
- Audio Related Signal
  47
- DVD & Amp Waveforms
  48
- DVD & Amp Circuit Diagrams
  50
  - Mpeg Circuit Diagram
    50
  - Dsp Circuit Diagram
    51
  - Amp Circuit Diagram
    52
  - Dsp P.C. Board Diagram
    53
  - Amp P.C. Board Diagram
    54
  - Cabinet and Main Frame Section
    55
Section 4. Exploded Views

55
- Deck Mechanism Exploded View
  56
- Packing Accessory Section
  58
- Speaker Section
  59
- Lhs-76Sb
  59
- Center Speaker
  59
- Front/Rear Speaker(Lhs-76Sbs)
  60
- Passive Subwoofer Speaker(Lhs-76Sbw)
  61

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