This service menu code can use for :
Hitachi 42PD7A10(PW2), Hitachi 42PD7500(PW2), Hitachi 42PD7500A(PW2) Hitachi 42PD7200A(PW2) And Hitachi 42PD7A10A(PW2)
"Should be follows to instructions.
Was indicates to cabinet, chassis and parts
by label, which are special attention part.
Please follow to note and [Safety Instructions]
of User’s Manual.
Nobody can check and repair to the code and combination circuit of HDCP.
Never remove the shield case, which is assembled to the code and combination circuit of HDCP."
How to get to Adjustment mode
Using the front control buttons with the set turned off (standby) can activate it.
Press the SUB-POWER button, INPUT SELECT button and channel down button at the same time, and hold for more than 5 seconds.
The set turns on in adjustment mode with OSD.
Changing data and Selecting Adjustment code
When the set is in adjustment mode, the cursor volume down, volumne up, channel up, channel down and OK buttons of the remote control or front
panel may be used as the adjustment keys.
channel up, channel down buttons are used for selecting adjustment code.
volume up, volume down buttons are used for changing data values.
OK button is used for confirming the data.
After finishing the necessary adjustment press MENU button. Adjustment mode is released and the set
returns to normal condition.
Memory Initialize operation
NOTE: The execution of this function returns the adjustment codes to the preset values, therefore, adjustment data will be lost.
(1) Enter Adjustment Mode.
(2) Select MEMORY INIT adjustment code (No.744) and change the data value from 0 to 1.
(3) Activate MEMORY INIT by pressing OK button for more than 3 seconds.
(4) Select No.374 and change data value from 1 to 0.
(5) Check that the receiving channel goes to AV1. Unit is set to preset values.