SERVICE MANUAL
Document No
Date of Origin
Date of REV
51-L-DSR004
98-10-21
PAGE REV.
0
PAGE
25 /102
S-00-005(96.03.27)
REV.1
6-3. Fun c t i o n keys
T1
or F1
:
Is to turn 22KHz on, 18V on and set the LNB to Horizontal
and
Set to TV mode RGB & 16:9, RF ON, MOD +9V ON, MOD Led 0 to 3 BLINK,
infinite
BEEP on, GVOL 00 and FF, Audio H/W muted.
T2
or F2
:
Is to turn 22KHz off, 14V off and set the LNB to Vertical
and
Set to TV mode CBVS & 4:3, infinite
BEEP off, MOD +9V OFF.
T3
or F3
:
is to check IEEE1394
data port (addr : 0, wr data : 0, rd data : 0
to addr : 17, wr data : 17, rd data : 17, CD2:1, MOD_I2C:1,
INT:1)
T4
or F4
:
Is to turn on Front LED 0 to 3 BLINK
T5
or F5
:
is to check G.729 stream (ex : g729 playing,
G729A mode, G729
Decoder
is enabled,
G729 audio stop)
T6
or F6
:
is to check CA system (ex : Card is not inserted,
removed...)
T7
or F7
:
is to check video Contrast
(ex : Set TV to CBVS, CVBS :-10, CVBS :
+10, Set TV to RGB, RGB :-10, RGB :+10)
T8
or F8
:
is to check and write FLASH rom
T9
or F9
:
is to check Modem port (ex : DTMF, PULSE)
F10 to F12 is for additional
future features
to analyze
the set top box.