Icom IC-F4001 Service Manual page 23

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[MAIN-A UNIT]
REF
PARTS
NO.
NO.
C391
4030011320 S.CER C1005 CH 1H 470J-T
C393
4520000020 S.NIO
NOJC227M006
C395
4520000020 S.NIO
NOJC227M006
C397
4030019740 S.CER C1005 JB 1H 102K-T
C398
4030019740 S.CER C1005 JB 1H 102K-T
C399
4030019930 S.CER C1005 JB 1A 104K-T
C400
4550006250 S.TAN
TEESVA 1A 106M8R
C401
4030019930 S.CER C1005 JB 1A 104K-T
C403
4030019930 S.CER C1005 JB 1A 104K-T
C404
4030019930 S.CER C1005 JB 1A 104K-T
C405
4030019970 S.CER C1005 JB 0J 105K-T
C406
4030019740 S.CER C1005 JB 1H 102K-T
C408
4030019930 S.CER C1005 JB 1A 104K-T
C410
4030019740 S.CER C1005 JB 1H 102K-T
C412
4030019740 S.CER C1005 JB 1H 102K-T
C413
4030019740 S.CER C1005 JB 1H 102K-T
C414
4030019740 S.CER C1005 JB 1H 102K-T
C415
4030019740 S.CER C1005 JB 1H 102K-T
C416
4030019740 S.CER C1005 JB 1H 102K-T
C417
4030019740 S.CER C1005 JB 1H 102K-T
C421
4030019930 S.CER C1005 JB 1A 104K-T
C423
4030019810 S.CER C1005 JB 1E 103K-T
C424
4030019740 S.CER C1005 JB 1H 102K-T
C426
4030019810 S.CER C1005 JB 1E 103K-T
C427
4030019930 S.CER C1005 JB 1A 104K-T
C429
4030019810 S.CER C1005 JB 1E 103K-T
C430
4030019930 S.CER C1005 JB 1A 104K-T
C431
4510009870 S.ELE
10 CE 100 LD
C432
4030019740 S.CER C1005 JB 1H 102K-T
C433
4030019930 S.CER C1005 JB 1A 104K-T
C434
4030019810 S.CER C1005 JB 1E 103K-T
C435
4030019740 S.CER C1005 JB 1H 102K-T
C436
4550007320 S.TAN
F930J226MAABMA
C437
4030019930 S.CER C1005 JB 1A 104K-T
C451
4030009790 S.CER C1005 CH 1H 330J-T
C452
4030009740 S.CER C1005 CH 1H 100C-T
C453
4030009770 S.CER C1005 CH 1H 220J-T
C454
4030019930 S.CER C1005 JB 1A 104K-T
C456
4030019930 S.CER C1005 JB 1A 104K-T
C457
4030019870 S.CER C1005 JB 1A 273K-T
C458
4030019930 S.CER C1005 JB 1A 104K-T
C459
4030019930 S.CER C1005 JB 1A 104K-T
C460
4030019930 S.CER C1005 JB 1A 104K-T
C461
4030019930 S.CER C1005 JB 1A 104K-T
C462
4030019930 S.CER C1005 JB 1A 104K-T
C465
4030019930 S.CER C1005 JB 1A 104K-T
C466
4030019810 S.CER C1005 JB 1E 103K-T
C467
4030019930 S.CER C1005 JB 1A 104K-T
J51
6450000131 CON
HSJ1102-018540
J52
6450002250 CON
HSJ1456-010320
J53
6510021901 S.CON BM02B-ASRS-TF(LF)(SN)
F51
5210000970 S.FUS
ERBSE3R00U
DS51
5040002670 S.LED
CL-165HR/YG
MC51
7700002920 MIC
EM9745P-38-G-01 <HOR>
S51
2260001900 SWI
SW-149 (SKHLLD)
S52
2260002800 S.SWI
SW-167 (SKQTLAE010)
S53
2260002800 S.SWI
SW-167 (SKQTLAE010)
S54
2250000670 ENC
TP70TF5169-15.9F-3285
EP3
6910018460 S.BEA
MMZ1005Y102C-T
EP4
6910018460 S.BEA
MMZ1005Y102C-T
EP5
6910018460 S.BEA
MMZ1005Y102C-T
EP6
6910014730 S.BEA
MPZ2012S331A-T
EP11
6910021240 S.BEA
MMZ1005A152ET
EP14
6910021240 S.BEA
MMZ1005A152ET
EP51
6910018460 S.BEA
MMZ1005Y102C-T
MP3
8510016471 S.CAS 2775 VCO CASE-1
MP4
6910014760 S.PLA
OG-503040
MP5
6910014760 S.PLA
OG-503040
M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)
DESCRIPTION
M.
LOCATION
B
B
T
T
B
B
T
B
B
B
B
T
T
T
T
T
T
T
T
T
T
B
T
B
T
B
T
T
T
T
T
T
B
T
B
B
B
B
B
B
T
B
B
B
B
T
T
B
T
T
T
B
B
T
T
T
B
T
T
B
T
B
B
S.=Surface mount
H/V
37.3/46.3
19.8/40.9
21.7/37.1
26/36.5
12.2/32
22.2/37.1
12.9/40.8
12.2/37.6
15.8/39.6
12.2/38.5
19.3/33.7
20.7/32.2
5.2/37.8
11.3/39.3
6.5/42.8
6.8/44.8
8.1/23.1
6.5/30.8
6.1/23.1
3.7/30.8
75.4/12
65.2/38.4
63.8/34.4
69/30.3
73.7/26
77.2/25.7
65.9/11.4
14.7/27.1
14.3/31.7
16.2/32.2
14.3/32.6
18/32.2
85.2/44.4
17.1/32.2
86.6/38.5
86.1/37.3
87/35.2
86.1/32.2
87.9/32.2
86.8/46.9
84.7/45.5
85.2/40.6
79.5/46.1
80.4/46.1
81.3/46.1
77.4/35
79/35
85.2/32.2
30.5/34.5
10.7/37.6
2.6/37.9
39.2/1.8
48.7/1.8
63.7/19.3
41.9/19.4
41/10.9
22.4/17
54.9/24.5
60.4/22.2
20.3/46.6
58.8/23.2
66.8/18.4
17.9/9.5
6 - 4

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Do you have a question about the IC-F4001 and is the answer not in the manual?

Questions and answers

kabindra
February 3, 2025

ptt pressed but not tx

1 comments:
Mr. Anderson
February 10, 2025

The Icom IC-F4001 may not be transmitting when the PTT is pressed due to several possible reasons:

1. Transmit Inhibit Function – Transmission is restricted if:
- The channel is muted (PMR operation only).
- The channel is busy.
- A signal with an unmatched (or matched) CTCSS or DTCS tone is received.
- The selected channel is a "receive only" channel.

2. Time-Out Timer – If the transceiver has been transmitting continuously beyond the pre-programmed time limit, the time-out timer activates and stops further transmission.

3. Penalty Timer – After the time-out timer activates, the penalty timer may further inhibit transmission for a set period.

4. Power Supply Issues – If the transceiver is connected to a power supply with incorrect voltage or reversed polarity, it may not function properly.

5. Antenna Damage – If an RF signal stronger than 20 dBm (100 mW) was applied to the antenna connector, the transceiver’s front-end could be damaged, affecting transmission.

Checking these factors can help identify and resolve the issue.

This answer is automatically generated

kabindra
February 16, 2025

Q73 trasistor does not work when PTT pressed but software is ok

This manual is also suitable for:

Ic-f4002Ic-f4003Ic-f4006Ic-f4008

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