Aiwa TV-SA2055 Service Manual page 11

Setting of IIC BUS Data
This model is designed with the ability to adjust most parts of the image
projection and deflection system by using the jig remote controller.
Preparations :
• Modify the hidden keys on the RC-6VT06 jig remote controller
(TV-C142/86-LB4-951-010) so that they can easily be pressed.
2 keys to be modified. (Refer to the below illustration)
Aging Mode Operation Method :
Make sure that confirmation is done after replacing the EEP ROM.
1. Enter to the aging mode by pressing the "TEST" key on the remote
controller. (Fig. 1)
2. Press the "AV MODE" key and confirm the condition of the
distinction switch.
• Choose any one of the destination and check the display data.
(Refer Fig. 2).
• In case the data is different use the "CHANNEL" key to scroll
through 0~F and set to the correct data value of "0" or "1" by the
volume key.
• All the settings are stored when the "TEST" key is pressed to
complete the correction. There will not be a problem even though
these changes are done after completing all the adjustments.
Contents of Aging Mode :
1. Release "Auto Power Off" function
Release "Auto Power Off" function when no input is supplied.
Use this mode for warming up (aging) during CRT adjustment.
2. AFT S-curve status indication
The condition of AFT S-curves are indicated by "IN" for suitable tuning,
"HIGH" for too high or "LOW" for too low. "OUT" is indicated when
no signal is supplied.
Starting the "Service Mode" :
Hidden key / "TEST"
• Press the "TEST" key on the jig remote controller once to enter to the
"Aging Mode" (Refer Fig. 1).
• Press the "CHANNEL" key on the jig remote controller to enter to
the "Adjustment Mode".
Hidden key / "FINISH"
• The accumulated hours in the "Aging Mode" will be reset by pressing
the "FINISH" key on the jig remote controller.
• Avoid to press this key during general repairs.
1 KE1
2 KE2
3 INDO1
4 INDO2
0 1 2 3 4 5 6 7 8 9 A B C D E F
1 0 0 1 0 1 0 0 1 1 1 1 0 0 0 1
0 1 2 3 4 5 6 7 8 9 A B C D E F
1 0 1 1 0 0 1 0 0 0 1 1 0 0 0 0
– 11 –
5 SH1
6 SH2
7 SH3
8 SH4
Fig. 2