Icom IC-7600 Service Manual

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4-9-4 SOFTWARE ADJUSTMENT (TUNER)
¤
ENTERING TUNER REFERENCE ADJUSTMENT MODE
1) Turn the transceiver OFF.
2) Connect a 50
Ω
Dummy Load to [ANT1].
3) Connect a short plug (see the illust below) to [REMOTE].
4) While pushing and holding both [FILTER] and [SET/EXIT], turn the transceiver power ON.
ADJUSTMENT
ADJUSTMENT
ITEM
OPERATION VALUE
TUNER
REFERENCE
1
[== TUNER ==]
1) Push [F-6] (START) key.
2) 10 sec. (approx.) after, verify that "
∗ ∗ ∗
OK
∗ ∗ ∗
" is displayed.
3) Turn the power OFF.
–
J81
TWIN
-
PBT
RIT/ TX
Ӡ
NOTCH CW PITCH
VOICE MEMORY
BAL NR
AF RF/SQL
MIC GAIN RF POWER BK
-
IN DELAY KEY SPEED
TIMER
PHONES
ELEC
-
KEY
MIC
AUTO
TUNE
GENE F
-
INP
1. 8 3. 5
12
14
5
18
6
7
3
24
8
28
9
50
0 ENT
4
7
10
21
CHANGE
TS
XFC
SPLIT
DUAL
WATCH
MAIN
/ SUB
VFO/MEMO
MP
-
W
MW
MP
-
R
F
-
6 F
-
5 F
-
4 F
-
3 F
-
2 F
-
1
NRNB
PBT
-
CLR APF/TPF NOTCH
POWER
RIT CLEAR TX
SPEECH
LOCK
FILTER REC PLAY
EXIT / SET
SSB CW RTTY / PSK AM/FM
MONITOR
TRANSMIT
TUNER
HF/50MHz TRANSCEIVER
LOCKT X RX SPLIT
12ANT
DC 13.8V
X-VERTER
RX-ANT
ACC
TUNER
IN OUT ALC SEND
KEY
12
METER
REMOTE
EXT
- SP
<REAR VIEW>
<FRONT VIEW>
Starts adjustment
[ANT1]
(Short)
• Short plug
3.5 mm (1/8’’) monoral plug
DUMMY LOAD
(50 Ω/120 W)
¤ CONNECTION FOR THE
TUNER REFERENCE ADJUSTMENT
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Icom IC-7600 Specifications

General

Antenna Connector	SO-239
Supply Voltage	13.8 V DC ±15%
Frequency Coverage	0.03–60 MHz
Modes	SSB, CW, RTTY, AM, FM
Receiver Type	Superheterodyne
Display	TFT LCD
Weight	12 kg
Type	HF Transceiver
Receiver Sensitivity	0.16 µV
Image Rejection Ratio	>70 dB
IF Rejection Ratio	>70 dB
Audio Output Power	2.5 W at 10% distortion
Intermediate Frequencies	64.455 MHz, 455 kHz
Selectivity	SSB: 2.4 kHz
Current Drain	2.5 A (receive)