Section 7 Board Layouts - Icom IC-7300 Service Manual

SECTION 7. BOARD LAYOUTS
• DISPLAY UNIT B-8330C
(TOP VIEW)
DS1
POWER
S1
TRANSMIT
S2
S3 TUNER
S4 5 S
VOX/BK-IN
NB
7 S
• SD UNIT B-8336C
(TOP VIEW)
R5
R4
R6
EP7
R3
R2
R8
R1
MAIN
R9
UNIT
NOTCH
6 S
P.AMPATT
NR
8 S
MENU
S9
• MIC UNIT B-8335C
(TOP VIEW)
J2
B-8335C
EP12
EP5
C8
C3
C2
EP2
C6
C4
EP10
EP9
MIC
7-1
QUICK
FUNCTION M.SCOPE
S10 S11 S12
• PHONE UNIT B-8334B
(TOP VIEW)
J2
C404 R403 R404
EP403 EP402
C401
R401
J1
S 7 1
RIT
S 0 2
SPLIT
S 3 2
M-DN
XFC
S14
TX/RX
DS2
AUTO TUNE
S15
LOCK/SPEECH
EXIT
S13 S16
• VR UNIT B-8332C
• PBT UNIT B-8331C
(TOP VIEW)
• RIT UNIT B-8333C
(TOP VIEW)
S 8 1 S 9 1
dTX
CLEAR
S 1 2 S 2 2
A/B V/M
S 4 2 S 5 2
M-UP MPAD
(TOP VIEW)