![background image](http://html1.mh-extra.com/html/icom/dc-197/dc-197_service-manual-addendum_3522260004.webp)
2
SECTION
4.
BOARD
LAYOUTS
• MAIN-A1/-A2/-A3/-A4/-A5/-A6 UNIT B-7409C
(TOP VIEW)
• MAIN-A1/-A2/-A3/-A4/-A5/-A6 UNIT B-7409C
(BOTTOM VIEW)
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
H55
H60
H65
H70
V0
V5
V10
V15
V20
V25
V30
V35
V40
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C39
C41
C42
C44
D1
D2
D3
D4
D5
D6
D7
DS1
EP1
EP2
EP3
IC1
IC2
IC3
IC4
J2
L1
L2
Q1
Q2
Q3
Q4
Q6
Q7
Q8
Q9
Q10
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15 R16 R17
R18
R19
R20
R21
R23
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R66
R68
R69
R70
R71
R72
R73
R74
R75
R76
R77
W1
X1
B7409C
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
H55
H60
H65
H70
V0
V5
V10
V15
V20
V25
V30
V35
V40
July 2016
(Amended page)