Logic Unit - Icom IC-M88 Service Manual

LOGIC UNIT

• BOTTOM VIEW
70 65
50
PTT
45
40
35
J411
30
to VR UNIT
25
20
15
10
5
0
to CONNECT UNIT J851
60 55 50 45
SQL
CP442
SPE
CP441
SP1
AFOUT
+
MICROPHONE
MC461
–
Horizontal
40 35 30 25 20 15 10 5
The combination of this page and previous page shows
the unit layout in the same configuration as the actual
P.C. Board.
9 - 5
0
VCC
VCC
1
VOLIN
BTYPE
S5V
M5V
V5VS
R5VS
T5VS
MICO
SMICO
W/NS
TEMPV
LOINV
to
CDECV
MAIN
J401
UNLKI
UNIT
MODIN
J351
CDTENC
VSSTBO
EXSTBO
DASTBO
PLSTBO
SDATAO
SCLKO
EXOEO
WDECV
RSSIV
NOISV
TDETV
BEEPO