SX-68JF200
5
ADJUSTMENT PRECAUTION
The model is a mixture of the adjustment items of I
2
C BUS-CONTROL and the existing analog adjustment. Moreo-
ver, since the adjustment with I
2
C BUS-CONTROL is composed of the items which are set with the initial values
(preset values) alone and the data variable items, refer to the following.
1) Setting method to the microcomputer service mode
1 When the TP1001/1002 are short-circuited, enter into the service mode (I
2
C BUS CONTROL adjustment
mode).
2 The modes can be sequentially selected with the CH DOWN key of R/C. (or button of set behind door.)
3 The modes can be sequentially selected in the reversed order of 2 with the CH UP key of R/C. (or button of
set behind door.)
4 The data can be converted with the VOLUME UP/DOWN key of R/C. (or button of set behind door.)
5 When the short circuit between the TP1001/1002 is cut off, it will be released from the service mode.
2) Initial value (preset value) setting
1 When the MAIN POWER switch set at the service mode side is turned on, the initial value will be automatically
set only on the new E
2
PROM (discriminated with the head 4 bytes).
2 The initial data is set as shown in the attached sheets.
3 Take care that there are the items which need be changed and the items in which the initial values continue
set.
Instruct that it must set at the service mode side as shown in Item 2-1 and the MAIN POWER switch must
be turned on when the lamp is first turned on after the chassis is assembled.
Take care that the beam current may excessively flow if the lamp is turned on unless E
2
PROM is initialized.
3) Since the E
2
PROM memory is submitted with the attached sheets for reference, use it.
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