Hitachi 42PD9700C Service Manual page 55

Signal circuit self-diagnosis function
Preparation:
Procedure:
Check item
Code stored up in
failure history
C10
H11
H15
H16
H31
H32
H71
F63
42PD9700 & 55PD9700
Check result
Self Check
H11: OK
H16: OK
H32: OK
F63 F63 - - -
Latest error code
Self checking Problem
item
No sync. (Snow noise)
Tuner problem
Composite video SW IC
problem
Component video SW IC
problem
Color demodulator IC
problem (sub)
3D separator ZC
problem
HDMI IC
problem
2
I C-bus latch problem
[OSD]
H15: OK
Self check result area
H31: OK
H 71 : OK
Failure history area
- - - - - -
Phenomenon
OSD of " ! Check Antenna "
appears.
Cannot receive the main
signal from antenna
Cannot receive picture and
audio
Cannot change input mode
No component picture
Cannot change input mode
Abnormal colour
Dark picture
Abnormal colour
Dark picture / No picture
No picture
Cannot store setting data
(Ex. Channel, Volume etc.)
54
Cause
No connection of ANT cable
Preset tuning is not yet
Communication error of U101
Communication error of I201
Communication error of I601
Communication error of I504
Communication error of I501
Communication error of I400
SCL3/SDA3 latched up