Hitachi 42EDT41A Service Manual page 30

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SERVICE MODE ACCESS
I2C ADJUSTMENT MODE
2
I
C ADJUSTMENT MODE
When the set is in the I2C Adjustment mode, use the cursor buttons
adjustment parameter, and
confirm. After adjustments are complete, press the MENU button to return the set to normal
operating condition.
Rear Label
1. SUB POWER
2. VOL
2. ADJ
3. VOL
3. ADJ
4. PROGRAM
4. SELECT
5. PROGRAM
5. SELECT
6. INPUT SELECT
6. OK
7. MENU
I2C Adjustment Mode
With unit in standby mode
(turned off), press and hold: >
MEMORY INITIALIZATION
Don t indiscriminately perform this procedure as it can result in a loss of data if the old val-
ues were not recorded.
1. Engage I2C Adjustment mode.
2. Select parameter #744. Change the data value from "0" to "1".
3. Activate MEMORY INITIALIZATION by holding down the OK button for at least
three seconds.
4. Select parameter #374. Change the data value from "1" to "0".
5. Check that the set changes input to AV1, indicating that the preset values have been
loaded.
CMP420V1 / CMP420V2 / 42EDT41 (PW1A)
for changing the parameter s value. Use the OK button to
-
+
1
2
NOTE:
1st number indicates normal button operation
2nd number indicates function during MENU
1
4
6
9
30
for selecting the
3
4
5
After the unit comes on, continue to hold the
buttons down until the initial OSD goes
away. OSD will then appear indicating that
I2C ADJUSTMENT MODE is engaged.
PW1A
OK
6
7

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