Hitachi 42PD9800TA Service Manual page 37

Signal circuit self-diagnosis function
This function is for the failure of the signal circuit, for example the phenomenon as below:
"Sometimes power turns off abnormally." "Sometimes picture disappears abnormally."
To enter to this Self-Diagnosis mode, follow the next steps:
Preparation:
1) The Power Cord should be connected to AC line and the Main Power switch should be turned on.
2) Turn the power off by the SUB-POWER( ) button of the monitor or the remote control.
Procedure:
1) Press the SUB-POWER( ) button and INPUT (
and keep it for more than 5 seconds after the power turned on.
2) The monitor will be turned on, and it will display On-Screen Display of the Self-check result and the failure history as
below.
3) Any operation would cancel the Self -Diagnosis mode.
4) The following table shows the OSD symbols and contents of failure PWB in which failure most probably
would be allocated according to the number of blinks.
Check item
Code stored up in Self checking
failure history item
C02
H11
H15
H16
H32
H71
H72
F63
If you clear history of failure, make FACTORY RESET: enter the factory setting mode; press the SUB-POWER(
) button and button on the side of the monitor at the same time. And keep it for more than 5 seconds after
the power turned on.
Cannot insert an antenna cable and an RGB cable in at the same time.
By an objection from the customer whom it is not given to insert the ANT input and an RGB cable, I offer an
RGB cable of a thin type to a customer.
All manuals and user guides at all-guides.com
42PD9800TA (FW1)
) button on the side of the monitor at the same time,
Check result
Self Check
H 1 1 : O K H 1 5 : O K
H 1 6 : O K H 32: O K
H 71: O K H 72 : O K
C02 F63 - - - - - -
Latest error code
Problem
FAN problem
Tuner problem
Audio SW IC
problem
Video SW IC
problem
Sub video decoder
problem
HDMI IC
problem
Sound processor
problem
2
I C-bus latch problem
37
[OSD]
Self check result area
F a ilure history area
- - -
Phenomenon
No picture and sound
FAN Motor has stopped
Cannot receive the main
Communication error of UT01
signal from antenna
Cannot receive audio Communication error of IY02
Cannot change input mode
Cannot receive picture. Communication error of IY01
Cannot change input mode
Dark picture
Communication error of I500
Abnormal color
Dark picture / No picture
No picture Communication error of IH05
Cannot receive audio Communication error of IT01
no sound
Cannot store setting data SCL3/SDA3 latched up
(Ex. Channel, Volume etc.)
Cause