Icom IC-7300 Service Manual page 71

• TUNER UNIT (TUNER-2)
NATT1S
NATT1S
NATT1R
NATT1R
NATT2S
NATT2S
NATT2R
NATT2R
D2311 D2321
C2313
LDAN222 LDAN222
0.1 C2314
0.1
RL2011 RL2021
EC2-9TNU EC2-9TNU
14V
3R3V
L2011
DET_OUT
LA-559
RL2251
EC2-9TNU
R2511
TUNER-1
C2553
0.1
C2554
0.1
D2551
RL2111
LDAN222 EC2-9TNU
C2413
0.1
C2414
0.1
D2411
LDAN222
3R3V
TOE
IC2811
1
VSS
2
TDAT
DATA
3
TCLK
CLK
TSTB1 4
LCK
5
Q0
6
Q1
7
Q2
8
Q3
9
Q4
10
Q5
BU2092FV
TCLK
TCLK
TDAT
TDAT
TSTB1
TSTB1
TSTB2
TSTB2
TSTB3
TSTB3
TSTB4
TSTB4
TOE
TOE
TX signal
RX signal
D2331 D2341
C2323 C2333 C2343
LDAN222 LDAN222
0.1 C2324 0.1 C2334 0.1 C2344
0.1 0.1 0.1
RL2031 RL2041
EC2-9TNU EC2-9TNU
L2021 L2031 L2041
LA-459 LA-460 LA-461
RL2211
EC2-9TNU
J2001
100
RL2121 RL2131 RL2141
EC2-9TNU EC2-9TNU EC2-9TNU
C2423 C2433 C2443
0.1 0.1 0.1
C2424 C2434 C2444
0.1 0.1 0.1
D2421 D2431 D2441
LDAN222 LDAN222 LDAN222
TOE
C2811
0.1
IC2821
20 1
VDD VSS
19 2
R2811 TDAT
QE DATA
18 3
NL5R TCLK
Q11 CLK
17 NL5S TSTB2 4
Q10 LCK
16 NL4R 5
Q9 Q0
15 NL4S 6
Q8 Q1
14 7
Q7 Q2
13 47 8
NC Q3
12 R2812 9
NC Q4
11 NL3R 10
Q6 Q5
NL3S
NL2R BU2092FV
NL2S
47
R2813
NL1R
NL1S
NL0R
NL0S
47
D2351 D2361 D2371
C2353 C2363
LDAN222 LDAN222 LDAN222
0.1 C2354 0.1 C2364
0.1 0.1
RL2051 RL2061 RL2071
EC2-9TNU EC2-9TNU EC2-9TNU
L2051 L2061
LA-462 LA-463
W2001-W2002 62/99/135/C31/C31
RL2151 RL2161
EC2-9TNU EC2-9TNU
C2453 C2463
0.1 0.1
C2454 C2464
0.1 0.1
D2451 D2461
LDAN222 LDAN222
TOE
C2821
0.1
IC2831
20 1
VDD VSS
19 2
R2821 TDAT
QE DATA
18 3
NC2R TCLK
Q11 CLK
17 NC2S TSTB3 4
Q10 LCK
16 NC1R 5
Q9 Q0
15 NC1S 6
Q8 Q1
14 7
Q7 Q2
13 47 8
NC Q3
12 R2822 9
NC Q4
11 NL9R 10
Q6 Q5
NL9S
NL8R BU2092FV
NL8S
47
R2823
NL7R
NL7S
NL6R
NL6S
47
D2381 D2391
C2373 C2383 C2393
LDAN222 LDAN222
0.1 C2374 0.1 C2384 0.1 C2394
0.1 0.1 0.1
RL2081 RL2091
EC2-9TNU EC2-9TNU
L2099
AS080447
L2071 L2081 L2091
LA-464 LR-542 LR-539
RL2221
EC2-9TNU
J2002
GND float
R2521
100
RL2171 RL2181 RL2191
EC2-9TNU EC2-9TNU EC2-9TNU
C2473 C2483 C2493
0.1 0.1 0.1
C2474 C2484 C2494
0.1 0.1 0.1
D2471 D2481 D2491
LDAN222 LDAN222 LDAN222
TOE
C2831
0.1
20
VDD
19
R2831 TDAT
QE
18
NC8R TCLK
Q11
17 NC8S TSTB4
Q10
16 NC7R
Q9
15 NC7S
Q8
14
Q7
13 47
NC
12 R2832
NC
11 NC6R
Q6
NC6S
NC5R
NC5S
47
R2833
NC4R
NC4S
NC3R
NC3S
47
10-10
[ANT]
RL2261
EC2-9TNU
C2563
0.1
C2564
0.1
D2561
RL2281
EC2-9TNU
LDAN222
C2583
0.1
C2584
0.1
D2581
LDAN222
C2841
0.1
IC2841
1 20
VSS VDD
2 19
R2841
DATA QE
3 18
NATT2R
CLK Q11
4 17 NATT2S
LCK Q10
5 16 NATT1R
Q0 Q9
6 15 NATT1S
Q1 Q8
7 14
Q2 Q7
8 13 47
Q3 NC
9 12 R2842
Q4 NC
10 11 NCREDR
Q5 Q6
NCREDS
BU2092FV NCOUTR
NCOUTS
47
R2843
NCINR
NCINS
NC9R
NC9S
47