Hitachi Self-Diagnosis Function, Signal circuit self-diagnosis function, 28LD5200E PW1L

28LD5200E (PW1L)

6. Self-Diagnosis Function

Signal circuit check mode: It indicates the check result on some points of the signal circuit and the history of them with On-Screen Display (OSD).

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 button on the bottom of the monitor at the same time, 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

Check result	[OSD]
	Self Check
H11: OK	H15: OK
H16: OK	H31: OK
H32: OK	H33: OK

F63 F63 - - - - - - - - -

Latest error code

Self check result area

Failure history area

Code	stored up in	Self checking	Problem	Phenomenon	Cause
	failure history	item
C10(*			No sync. (Snow noise)	OSD of “ ! Check Antenna ”	No connection of ANT cable
				appears.	Preset tuning is not yet
H11(*			Tuner problem	Cannot receive the main	Communication error of U101
				signal from antenna
H15			Composite video SW IC	Cannot receive picture and	Communication error of I201
			problem	audio
				Cannot change input mode
H16			Component video SW IC	No component picture	Communication error of I202
			problem	Cannot change input mode
H31			Color demodulator IC	Abnormal color	Communication error of I501
			problem	Dark picture
H32			Sync. separator IC	Unsynchronized picture	Communication error of I601
			problem
H33			3D Y/C separator IC	Abnormal color	Communication error of I302
			problem	Dark picture / No picture
H71(*			T/Text IC problem	No T/Text	Communication error of IT01
				No picture
H72(*			Sound MPX IC problem	No sound from antenna	Communication error of IN01
				Cannot change MPX
				sound
F63			I2C-bus latch problem	Cannot store setting data	SCL3/SDA3 latched up
				(Ex. Channel, Volume etc.)

*) This code is no meaning for the models except 32/42PD5000TA because those are without tuner circuit.

If you clear history of failure, make FACTORY RESET: enter the factory setting mode; press the SUB-POWER() button, INPUT SELECT() button and button on the bottom of the monitor at the same time. And keep it for more than 5 seconds after the power turned on.

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