Service manual
Table Of Contents
- VIZIO L42HDTV10A,GV42L_HDTV Service Manual
- 01-FEATURES
- 02-SPECIFITION
- 03-ON SCREEN DISPLAY
- 04-FACTORY PRESET TIMINGS
- 05-PIN ASSIGNMENT
- 06-MAIN BOARD I/O CONNECTIONS
- 07-THEORY OF CIRCUIT OPERATION
- 08-WAVEFORMS
- 09-TROUBLE SHOOTING
- 10-BLOCK DIAGRAM
- 11-SPARE PATRS LIST
- 12-1COMPLETE PARTS LIST_FOR L42 HDTV10A
- 12-2COMPLETE PARTS LIST_FOR GV42L HDTV
- MAIN BOARD CIRCUIT DIAGRAM_FOR L42 HDTV10A
- MIAN BOARD CIRCUIT DIAGRAM_FOR GV42L HDTV
- MAIN BOARD PCB LAYOUT_FOR L42HDTV10A(LG/AUO)
- MAIN BOARD PCB LAYOUT_FOR GV42L HDTV_LG
- ASSEMBLY EXPLOSION DRAWING_FOR L42HDTV10A_AUO
- ASSEMBLY EXPLOSION DRAWING_FOR L42HDTV10A_LG
- ASSEMBLY EXPLOSION DRAWING_FOR GV42L HDTV_LG
CONFIDENTIAL – DO NOT COPY
Page 10-2
File No. SG-0198
The purpose is process the input audio signal to control volume, bass, treble,
surround, and balance. The HDMI video and audio is must transmitting to MT8293
processed then TMDS signal to the MTK8202 generates the vertical and horizontal
timing signals for display device. All functions are controllable by the main board.
Plus, all functions in the IC boards are programmable using I2C Bus.