Panasonic tc-22lh1 technical guide Service Manual
Block Diagram Overview
igure 10 contains a Block Layout overview of the LCD TV. The following is a
Board
rd is comprised of the following, an AV switch responsible for switching all
d
V Switch
ch IC, located on the H board, handles the selection of the Composite,
cted
Figure 10
F
description of each of the boards that are depicted in the block.
H
The H boa
audio and video input signals, an audio control circuit which handles all available soun
adjustments and stereo sound separation (MTS decoder), a DC-to-DC converter and
power input to the AP board.
A
The AV Swit
Component, S -Video inputs and the output of the Tuner (B1) board. The Audio is
switched through this IC to a Control Amplifier, which drives the speakers. The sele
video signals are output to the DG Board.
description of each of the boards that are depicted in the block.
H
The H boa
audio and video input signals, an audio control circuit which handles all available soun
adjustments and stereo sound separation (MTS decoder), a DC-to-DC converter and
power input to the AP board.
A
The AV Swit
Component, S -Video inputs and the output of the Tuner (B1) board. The Audio is
switched through this IC to a Control Amplifier, which drives the speakers. The sele
video signals are output to the DG Board.
18