Adjustment Precautions - Sharp 29F-PE550 Service Manual

This model's setting are adjusted in two different ways: through the I2C bus control and in the
conventional analog manner. The adjustments via the I2C bus control include preset-only items and
variable data.
1. Setting the service mode by the microprocessor.
(1) Press and hold the local key "VOL DOWN" & "CH UP" when power on the main switch,
TV will enter into the SERVICE MODE. (The initial value of EEPROM are automatically
preset when new EEPROM is used)
(2) Press the CH DOWN / UP key on the remote controller to select the setting items
one by one.
(3) Using the VOLUME UP/ DOWN key on the remote controller, the data can be modified.
(4) When press the local key "VOL DOWN" & "CH UP" at the same time,
it will be released from the service mode.
2. Factory Presetting.
(1) Press remote controller key of code "ED" for 4 seconds, the initial values are
automatically preset.
(2) The initial data are preset as listed in page 3-4 and 3-6.
(3) Make sure whether the data need to modify or not (Initial data).
Note: Once the chassis has been assembly together and in ready condition, please make
sure it's go through initialize process (see sect 2 above)
Precaution: If haven't done this initialization, malfunction might be happen.

ADJUSTMENT PRECAUTIONS

3-1
29F-PE550 / 29F-PD570