Service manual

4.3、The block diagram of audio
Loudspeakers
SIF
HDMI-Audio
OUTPUT
SPDIF
Form JR2
HDMI board
AV OUTPUT AV OUTPUT
Earphone out
p
ut
Form SCART2 Form SCART1 Form JR2
Form MIC2
AV-Audio
S1-Audio
YPbPr-Audio HDMI-Audio
AV-Audio
VGA-Audio
S2-Audio
UV401
I/O board
CX2069Q
7-Input 3-Output Audio/Video Switch
UV505（I/O board）
TDA9875
Digital TV Sound
Processor. Audio decoder; control of volume; switch select of the input sound
UV502 Two step filter circuit
UV601 NJW1137 BBE processor
UV602 TPA3100
U101
NJM4556
TO SCART1 TO SCART2
UV103 74HC04
HDMI board
TO UV102
U5
WM8761
UV503 Two step filter circuit UV504 Two step filter circuit UV506 Two step filter circuit
class-D audio
p
ower am
p
lifie
r
Drive am
p
lifie
r
Form TUNER
(USE FOR LC32T1E/LC37T1E/LC42T1E)
9