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10-8a
(Amended page)
June 2019
The waveform and voltage indications have been added on the original page.
The underlined parts have been updated from the addendum of the previous version, or from the original page.
Explanatory notes
Voltage Line (HV)
Voltage Line (8V)
MAIN UNIT
(4/13)
MAIN UNIT
(9/13)
MAIN UNIT
(8/13)
MAIN UNIT
(5/13)
MAIN UNIT
(10/13)
MAIN UNIT
(4/13)
When the AM mode is selected: 2.8 V
Other than the above: 0 V
When the SSB or AM mode is selected: 0 V
Other than the above: 3.1 V
When the SSB or AM mode is selected: 2.1 V
Other than the above: 2.0 V
4.6 V*
1
4.6 V*
1
4.7 V*
2
4.7 V*
2
4.2 V*
3
4.2 V*
3
7.0 V*
1
1.0 V*
1
7.0 V*
2
1.1 V*
2
6.9 V*
3
1.2 V*
3
7.0 V
5.6 V
2.4 V
0.5 V*
1
0.4 V*
2
0.4 V*
3
When RX regardless of the band
The VHF band TX*
1
The 430 MHz band TX*
2
The 1.2 GHz band TX*
3
2.2 V
1.3 V
1.4 V
1.5 V
When RX regardless of the band
The VHF band TX*
1
The 430 MHz band TX*
2
The 1.2 GHz band TX*
3
0.2 V
2.5 V
2.2 V
0.7 V
When RX regardless of the band
The VHF band TX*
1
The 430 MHz band TX*
2
The 1.2 GHz band TX*
3
0 V
0.4 V
0.3 V
0.3 V
When RX regardless of the band
The VHF band TX*
1
The 430 MHz band TX*
2
The 1.2 GHz band TX*
3
0 V
3.1 V
3.1 V
2.3 V
*
1
When TX on 145.02 MHz RTTY [Po=100% (100
W)/ANT=50 Ω termination].
*
2
When TX on 435.02 MHz RTTY [Po=100% (75
W)/ANT=50 Ω termination].
*
3
When TX on 1280.02 MHz RTTY [Po=100% (10
W)/ANT=50 Ω termination].
When RX regardless of the band
The VHF band TX*
1
The 430 MHz band TX*
2
The 1.2 GHz band TX*
3
5.1 V
2.5 V
2.6 V
2.9 V
When RX regardless of the band
The VHF band TX*
1
The 430 MHz band TX*
2
The 1.2 GHz band TX*
3
0.2 V
2.3 V
2.3 V
2.0 V
RUM002N02
Q2521
270k
R2572
4.7k
R2515
LDTA114YE
Q2562
12REFLP
0.22
C2513
NJM2904CRB1
IC2621
6
5
7
0.22
C2553
100
R2581
LDTC143ZE
Q2561
AMS
330k
R2575
1k
R2647
R2531
82k
R2546
100
R2603
82k
R2518
ICCV
4.7k
R2535
4.7k
R2646
0
R2534
KTC2875
Q2551
100k
R2583
100k
R2516
VFORLP
L1SS400
D2501
NJM2904CRB1
IC2621
2
3
1
2.2M
R2542
270k
R2606
KTC2875
Q2511
IDLP
47k
R2524
2.7k
R2559
0.1
C2602
560k
R2582
8V
2.2M
R2553
0.1
C2545
HV
2.2M
R2502
100
R2636
1.8k
R2547
VDL
L1SS400
D2551
DZ2J033M0L
D2591
IDL
82k
R2558
47k
R2633
LDTA114YE
Q2552
L2SC4081
Q2601
LRB751S
D2592
REFL
NJM13403V
IC2601
9
10
8
0.22
C2504
L1SS400
D2541
FORL
0.01
C2512
NJM13403V
IC2601
6
5
7
0.22
C2533
100
R2626
18K
R2545
10k
R2601
470
R2591
ALCL
NJM13403V
IC2601
2
3
1
82k
R2526
1.8k
R2507
2.2k
R2557
100K
R2556
0.1
C2601
L2SA1576AR
Q2591
ALC
NJM13403V
IC2601
V+
4
GND
11
KTC2875
Q2531
47k
R2504
220k
R2592
NJM13403V
IC2541
V+
4
GND
11
2.2M
R2522
L1SS400
D2633
100k
R2634
100k
R2594
1
C2629
2.7k
R2519
NJM13403V
IC2541
13
12
14
2.7k
R2539
L1SS400
D2632
0.1
C2510
LRB751S
D2593
2.2M
R2533
0.1
C2630
NJM13403V
IC2541
9
10
8
0.1
C2525
82k
R2506
L1SS400
D2631
0.01
C2552
10k
R2621
0.22
C2544
100
R2510
10k
R2593
100
R2630
NJM13403V
IC2541
6
5
7
1.8k
R2527
18K
R2505
L1SS400
D2623
RUM002N02
Q2541
L1SS400
D2582
NJM2904CRB1
IC2621
V+
8
GND
4
L1SS400
D2531
NJM13403V
IC2541
2
3
1
L1SS400
D2622
L1SS400
D2583
1
C2509
82k
R2538
LDTA114YE
Q2532
RUM002N02
Q2501
L1SS400
D2621
NJM13403V
IC2501
6
5
7
100
R2550
L1SS400
D2521
L1SS400
D2511
R2511
4.7k
R2555
18k
R2617
0
R2554
NJM13403V
IC2501
2
3
1
EALC
NJM13403V
IC2501
V+
4
GND
11
18k
R2525
2.2M
R2513
68k
R2615
L1SS400
D2581
L1SS400
D2567
VREFLP
2.2k
R2537
LDTA114YE
Q2512
100k
R2536
0.1
C2505
10k
R2635
47k
R2544
POCV
100
R2610
470
R2571
0.001
C2611
L1SS400
D2585
NASBS
0.1
C2610
10k
R2573
10k
R2625
3.3M
R2612
L1SS400
D2584
0.1
C2550
LDTC143ZE
Q2567
12FORLP
1
C2609
L1SS400
D2571
0
R2514
1.5M
R2613
1
C2549
UREFLP
0.01
C2532
0.22
C2524
2.2k
2.2k
2.2k
R2517
1.8M
R2614
10k
R2586
UFORLP
100
R2611
NJM13403V
IC2501
13
12
14
NJM13403V
IC2501
9
10
8
10
R2608
120k
R2602
68k
R2605
22k
R2607
10M
R2561
3.3M
R2562
0.47
C2566
3.3k
R2567
1.2k
R2568
22k
R2569
470k
470
470
R2503
470k
R2523
470K
R2543
0.47
C2515
0.47
C2555
0.47
C2535
47k
R2584
47k
R2585
33k
R2632
10k
R2631
NJM2904CRB1
IC2651
2
3
1
NJM2904CRB1
IC2651
6
5
7
NJM2904CRB1
IC2651
V+
8
GND
4
0.1
C2651
100
R2651
1
C2652
47k
R2655
0.1
C2653
0.1
C2654
100k
R2654
100k
R2658
NJM13403V
IC2601
13
12
14
3R3V
DIDL
100k
R2659
0.027
C2518
NTCG16
R2587
0.047
C2558
8.2k
R2512
10k
R2532
R2501
R2521
10P
C2503
8P
C2523
680
R2541
6P
C2543
3.3k
R2551
10k
R2552
100k
R2653
100k
R2660
100k
R2657
100k
R2652
100k
R2656
0
R2628
0
R2638
L1SS400
D2625
10k
R2622
100k
R2623
33k
R2624
0
R2637
AMS
12FORLP
UFORLP
ALC
ALCL
FORL
REFL
IDL
VDL
VFORLP
UFORLP
12FORLP
UREFLP
VREFLP
IDLP
AMS
AMS
NASBS
12REFLP
ICCV
VREFLP
POCV
IDLP
UREFLP
EALC
VFORLP
UFORLP
12FORLP
VREFLP
UREFLP
12REFLP
IDLP
VDL
REFL
HV
FORL
VFORLP
IDL
ALCL
POCV
EALC
AMS
NASBS
12REFLP
POCV
ICCV
NASBS
POCV
ALC
8V
8V
8V
8V
DIDL
3R3V
DIDL
EXT-ALC
1.2G_FOR-ALC (Slow)
1.2G_FOR-ALC (Fast)
UHF_FOR-ALC (Fast)
UHF_FOR-ALC (Slow)
VHF_FOR-ALC (Slow)
SWR-APC
ID-APC
VHF_FOR-ALC (Fast)
• MAIN UNIT (8/13)
* Refer to the PARTS LIST for the value and name of components.