Icom IC-751A Service Manual page 89

8-5 MATRIX UNIT
MODE SWITCH
(FUNC)
sg 09 1853
(HAM/ GEN) (Am)
sé S? DY 1SSS3 D8 18853
{SPKS) (cw)
56
Ss 06 15853
{MODE} (ssa)
$3 Dé 15853 S605 18853
($/s) {RITY)
Si D2 18853 S203 1SS53
a 4.5v OV 5.0V
d ov v
30us c4ms
When RIT,ATX Sw Tt SiO [s turned to D
is pushed. during scan stat
When squelch is open
4.5¥ — 4.4v
{FUNC LED} iE}
OV —¢
Ov
200ms 2.2ms 2.2me
When T/R SW.Con
the front paneit is
turned to TRANSMIT.
MATRIX SWITCH
(A/a) (AsB) (SPLIT)
$i SiZ O37
19853
513
(MEMO=»VFO)
030.
1$$53
{VFO/MEMOQ} (DISP——MEMO]}
ag 2803399
Si 032 S15 033 S16 034
18553 S853 1SS53
MATRIX
]
RIT (ON/OFF
D35 ISSS3 (are*) Ihe
4030
IC} 6013
036 15553
(OFS)
271 037 1SS53 RIT ATX
ON/OFF ON/OFF
8.0/0 075.0
{NOTCH}
S19
o
PON/OFF
ATX (
(ONZorF) 5.0/0
0/5.0
a20
2SA1048 102 4013
TX/RX
078.0
5 5
a?
2SA1068
Q27
2502458
(BAND)
162 Is
4013 oon
(ov /OFF
2.2/0