SITRONICS 25F83, Руководство по обслуживанию

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SERVICE MANUAL
6. SERVICE mode
6.1 To enter the SERVICE mode
Set the volume to 0 by the remote control. Then press and hold the MUTE button on the
remote control and MENU button on the TV at the same time for over 2 seconds. In the S mode,
press the POWER button to quit the S mode.
S
(
“
S
”
is red and other items are yellow.)
Use the
↓
/
↑
buttons on the remote control to highlight an adjustment and the
←
/
→
buttons
to adjust it.
The POS+/-,
↑
/
↓
/
←
/
→
,1~6, RECALL, VOL+/-, MUTE and POWER buttons on the remote
control function in the S mode, but 100+, 7, 8, 9 and 0 buttons not.
6.2 Bus data
Table 3 Bus data
Data in S
Mode
Adjustment Description
OP1 7B Option set byte 1
（
See Table 4
）
OP2 4C Option set byte 2
（
See Table 4
）
OP3 FF Option set byte 3
（
See Table 4
）
OP4 F5 Option set byte 4
（
See Table 4
）
OP5 36 Option set byte 5
（
See Table 4
）
OP6 28 Option set byte 6
（
See Table 4
）
AVG Vertical output
INIT Initializing E
2
PROM
TAB Data check sheet
（
See Table 5
）
VX00 19 4:3
VX50 01 16:9
VX99 38 Zoom
VS Set to the optimum Half vertical output
VA Set to the optimum
Vertical amplitude (When vertical frequency is identified to
50Hz, “5VA” is displayed
；
when identified to 60Hz, “6VA”
displayed.)
( continued )
10