Pioneer TS4 Service Manual page 42

TS4
Set AV level data: Used to control the Audio volume and RGB level.
– – Set Audio & RGB level – –
Audio volume : 0
RGB level : 0.7
After the completion of data setting of each function, using the F9 key, data can be transmitted to control the IRD.
Precautions after repairs
When the test software operates, in the EEPROM data, the effective data is written to the address from 0x7F0 to 0x7FF which is related with
the test software. when the power is turned ON again, the test software instead of the CANAL + product software will operate and problems
will result. After completing repairs, break the above data so that the test software will not operate.
The following describes the procedure.
There are 2 ways to break the test software data. (But use method 1 as much as possible)
Method 1 (Recommended)
1) Operate the test software (do not short the test pin).
2) Select MAKE CHECK_STEP with the cursor, and press the RETURN key.
3) In the menu, select the command "37: Flash soft clear" and press the RETURN key.
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And then press the F10 key to end the setting.
4) Select IRD CHECK from the main menu, and press the RETURN key.
Press the RETURN key once more to clear the Flash data.
Method 2
1) Operate the test software (do not short the test pin).
2) Press F7 and set the EEPROM DATA SET mode.
3) Press ALT and F10 .
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4) Press PAGE UP so that the address at the most bottom on the display becomes 0x7F0.
5) Press the ≠ key to move the cursor to the 0x7F0 position, and change the address 0x7F0 to 0x7FF data to all FF.
6) Press F9 .
Here, turn ON the power again, and check that the normal software operates.
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(Min: 9 Max: 0)
0.8 0.9 1.0
f2 : up f3 : down F9 : send Esc : return