Main Unit (3/3) - Icom IC-FR5000 Service Manual

SP1
• CONNECT UNIT
V60 V55 V50 V45 V40
(BOTTOM VIEW)
V15 V10 V5 V0
SP+ SP-
TXD
IO1
J504
RXD
IO2
RTS
IO3
CTS
R542
IO4
R539
GND
IO5
GND R533 C532
R534
DATAIN R554
R532
C537
MODIN
IO6
DISC
Q508
AFOUT
EXDA
IO7
VCC
IO8
EXAD
R572
IO9
N/C
C500
C503
C504
L502
R501
R563
C515
R524
R519
R526
R525
R523
D511
Q516 Q518
C508
C562
Q500
Q514 Q517 C510
Q502
R566 C561
• FRONT UNIT
(BOTTOM VIEW)
V35 V30 V25 V20 V15 V10 V5 V0
J501
1
C527
D513
IC506
C565
C523
C533
IC503
J502
1
C534
D512
IC500
R570
C564 R516
C521
R511 C575
R510
D503 C519
R515
C518
R541 C542
R560
R545
C553
IC508
C511
Q503
C539
R538 R547
R536
C509 R548
Q501
R544 R546
C545
• MAIN UNIT
(BOTTOM VIEW)
MP2
FMDA
GND
MICIN
MICE
PTT
AFO
MFDA
F8V
IC22
EP10
EP10
MP38
MP4
9 - 2
GND
AFOUT
[EXT. S