Panasonic TC-32LX70/70

Picture OK and
Picture OK and
Sound NG
Sound NG
(LX700/LX70)
(LX700/LX70)
Yes
No
Yes
A Board
A Board
No sound
from any of the AV
terminals.
No sound
from analog TV
No
Yes
DT Board
Is sound
from any of the AV Terminals
OK?
A Board
No Sound
from HDMI Input
No sound
from Digital TV?
DT Board
No
Yes
Is sound
from any of the AV Terminals
OK?
A Board
Is there sound
from the
headphone?
A Board
No
A Board or Speaker
AUDIO
SWITCH
IC3101
STB
MCU
IC1100
IC8001
IC451
0
DTV
AUDIO
PROCESS
L/R
AUDIO
AMP
AUDIO
AMP
IC2301
IC2302
LX700 Only
G
AV3
HEADPHONE
FRON
T
END
TU8300
COMPONEN
T
HP AMP
L/R
L/R
L/R
L/R
L/R
Peaks Lite2
Audio DSP
HDMI I/F
Analog
Digital
A
DT
TUNER
HDMI1
HDMI2
MONITOR OUT
AV1
IC2106
G
AV2
IC830
2
51
Is there 15V
on connector AP3
of the AP board. Refer to
Slide 43 for test point
locations
AP Board
No
Yes
Is there
sound from any of the
input sources?