Icom IC-7400 Service Manual page 82

• PA UNIT (2/2)
o CTRL J1
L531
L530 L529
J502
RL513
C586
50MHz C583
C585
C587
C578
C581
C582
IN
C579
L532
L506 L505
RL505 C518
7MHz C522
C546
C525
C516
C520
C517
C523
C524 C521
L517
L511 L512 L534
RL511
24MHz
C590
C538
28MHz
C540
C552
C537
C541
C591
C539
L523
L528 L508 L507
RL507
C529
C563
C530
10MHz
14MHz
C531
C548
C565 C557
C558 C528
L519
L510 L509
RL509
C533
C535
18MHz
21MHz
C550
C536 C555
C561
C534
L521
L504
L503
RL503
C510
C512
3.5MHz
C544
C568
C514
C569 C508
C566
C515 C567
L515
L502 L501
RL501
C502
C505
1.9MHz
C503
C542
C575
C572
C554 C574 C597
C599 C573 C600
L513
H
P
TO RF J121
A
O HPAO
P601
RL514
VRX
L533
C577 C588
C623
D605
2 3
4
1 5
R618
R619
J601
R614
RL506
L604
L518
L605
C624
C547 C625
R620
R621
R615
RL512
L524 D620
C553
C589 Q604
RL508
W504
C549
RL510
L522
C532 C551
IC501
L7 18 IN1 1 1
O1
L3 17 IN2 2 2
O2
L6 16 IN3 3 3
O3
L4 15 IN4 4 4
O4
L5 14 IN5 5 5
O5
13 IN6 6 6
L2
O6
12 IN7 7 7
L1
O7
11 IN8 8 8
O8
10 VS 9
GND
C570
RL504 C618
R502
C507
L
8
C545
R503
RL502
C598 C543
C632
To PA UNIT (1/2)
VPAO
CP511
C612
V
P
A R601
O
D603
L602
C601 L601 L603
C610
OUT2M
RL601
C608
C606
C604 R602
D602
R622
C602 C609
C605
R603 C611
C607
R616 R604
Q602
D601
C621
V V
F R
O E C614
C616
R F
C613
CP503
14VS
R617
C622
C626
CP502
T8V
Q605
C627
R404
C404
R403
C403
R402
CP505
C402
C620
R501 R401
IC502
VDD 16
STRB
OENA 15 C401
DATA
Q5 14
CLK
Q6 13
Q1
Q7 12
Q2
Q8 11
Q3
Q'S 10
Q4
QS 9
VSS
NOTICE: Refer to the PARTS LIST for the value and name of each component.
MP2
To 2MANT
CP513 W601
CHASSIS J7
W602
R605
CP515
CP514
R606
VFOR
VREF
14VS
T8V
MCK
To PA UNIT (1/2)
MCK
MDAT
MDAT
FSTB
FSTB
5V
5V
DRES
DRES
L8
GND
12 - 12