Icom IC-M91D Service Manual Addendum page 32

SECTION 7. BOARD LAYOUTS
• MAIN UNIT
(TOP VIEW)
MP362
SP1 (CHASSIS)
7 - 1
• RF UNIT
(TOP VIEW)
S250
MP22
L21
D22 Q22
C25 Q53
R28 C51
R27
C27 Q50
R55
C35
R52
C6
C33
L50
L51
R6 Q20 C54
C75
MP22
MP20 C37 R26
D21
R30 R29 C31
R50
C30 L26
C36 R31
R120 C122
C131
X1 C20
L25 C40 R115 C62
C21
C119
L24
Q25 Q24 R110
L55
C22
C120 R111
C121
L97
D131
C115
C110
R380
UNLK R104
SCKO
SDATAO D130 C112
PLSTBO
D91
L96
LOINV
VCC
VCC FI151 FI150
S3V
GND
GND Q90
LV
TEMPV
PTTIN
FCON
R95 R96
F R113
MOD
R103
MODC
PW
WETIN L93
R47 C133 C8 C99
LEDV
D93 L90
RVS
T5VS
C100 C91
TDETV
M5V C9 C95
GND D90
GND
CPU3V
D92
TXMS
DIST D353
NOIZU
RSSIV
C94
LOW
T1CON
SQL
DET
M5VS
GND
X170
MP25
The combination of top side and bottom side of this
C63
C69
C65
MP26
Q54
C70
C71
L57
C81
C82
C73
L58
C90
C83
C84
L82