Self-Diagnosis Function - Hitachi SM0063 Service Manual

7. Self-Diagnosis Function

PDP panel self-diagnosis function
Refer to PDP panel service manual.
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
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
failure history
(
C10 *
(
H11 *
H15
H16
H31
H32
H33
(
H71 *
(
H72 *
F63
If you clear history of failure, make FACTORY RESET: enter the factory setting mode; press the SUB-
POWER( ) button, INPUT SELECT(
And keep it pressed for more than 5 seconds after the power is turned on.
42PMA300EZ (PW1A)
button on the bottom of the monitor at the same time, and keep
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
Sync. separator IC
problem
3D Y/C separator IC
problem
T/Text IC problem
Sound MPX IC problem
2
I C-bus latch problem
) button and
[OSD]
H15: OK
Self check result area
H31: OK
H33: 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 color
Dark picture
Unsynchronized picture
Abnormal color
Dark picture / No picture
No T/Text
No picture
No sound from antenna
Cannot change MPX
sound
Cannot store setting data
(Ex. Channel, Volume etc.)
button on the bottom of the monitor at the same time.
30
Cause
No connection of ANT cable
Preset tuning is not yet
Communication error of U101
Communication error of I201
Communication error of I202
Communication error of I501
Communication error of I601
Communication error of I302
Communication error of IT01
Communication error of IN01
SCL3/SDA3 latched up