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Icom IC-7600 Instruction Manual - Page 156

■ Fuse replacement, ◇ DC power cable fuse replacement, ◇ Circuitry fuse replacement

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11 MAINTENANCE ■ Fuse replacement If a fuse blows or the transceiver stops functioning, try to find the source of the problem, and replace the damaged fuse with a new, adequately rated fuse. CAUTION: Turn the power OFF and disconnect the DC power cable from the transceiver before removing the transceiver's cover. The IC-7600 has two fuse types as below installed for transceiver protection. • DC power cable fuses ATC 30 A • Circuitry fuse ATC 5 A D DC power cable fuse replacement Refer the figure illustrated at right for the DC power cable fuse replacement. D Circuitry fuse replacement The 13.8 V DC from the DC power cable is applied to all units in the IC-7600, except for the power amplifier, through the circuitry fuse. This fuse is installed in the PA unit. q Remove the top cover. (p. 148) w R emove the 11 screws, then remove the bottom cover and the PA shielding plate as shown at right. e R eplace the circuitry fuse as shown in the diagram as at right. r R eplace the PA shielding plate, top cover and screws to their original position. R WARNING: DO NOT pull the speaker cable when removing or replacing the PA shielding plate. Otherwise, a fire, injury or damage the transceiver may occur. ■ Resetting the CPU q Turn the transceiver power OFF in advance. w W hile pushing and holding [F-INP ENT] and [MW], push [POWER] to turn power ON. • The internal CPU is reset. • The CPU start-up takes approx. 5 sec. • The transceiver displays its initial VFO frequencies when resetting is complete. e C orrect the set mode settings after resetting, if desired. NOTE: Resetting CLEARS all programmed contents in memory channels and returns programmed values in set mode to default values. ATC 30 A fuse PA shielding plate ATC 5 A fuse POWER 149 Speaker cable MW F-INP ENT

Section	Page
Front cover	1
FOREWORD	2
IMPORTANT	2
EXPLICIT DEFINITIONS	2
SUPPLIED ACCESSORIES	2
FCC INFORMATION	2
PRECAUTIONS	3
TABLE OF CONTENTS	4
1 PANEL DESCRIPTION	8
■ Front panel	8
■ Rear panel	18
■ LCD display	20
■ Screen menu arrangement	22
2 INSTALLATION AND CONNECTIONS	23
■ Unpacking	23
■ Selecting a location	23
■ Grounding	23
■ Antenna connection	23
■ Required connections	24
◇ Front panel	24
◇ Rear panel	24
■ Advanced connections	25
◇ Front panel	25
◇ Rear panel— 1	25
◇ Rear panel— 2	26
■ USB connection	26
■ Power supply connections	27
■ External antenna tuner connection	27
■ Linear amplifier connections	28
◇ Connecting the IC-PW1/EURO	28
◇ Connecting a non-Icom linear amplifier	28
■ Transverter jack information	29
■ FSK and AFSK (SSTV) connections	29
◇ FSK operation— when connecting to [ACC 1]	29
◇ AFSK operation	29
◇ When connecting to the [USB] connector	29
■ Microphone connector information	30
■ Microphones	30
◇ HM-36	30
◇ SM-50 (Option)	30
■ Accessory connector information	31
3 BASIC OPERATION	32
■ Before first applying power	32
■ Applying power (CPU resetting)	32
■ Selecting VFO/memory mode	33
■ Main/Sub band selection	33
◇ Main/Sub band switching	33
◇ Main/Sub band equalization	33
■ Selecting an operating band	34
◇ Using the band stacking registers	34
■ Frequency setting	35
◇ Tuning with the main dial	35
◇ Direct frequency entry with the keypad	35
◇ About 5 MHz band operation (USA version only)	36
◇ Quick tuning step	36
◇ Selecting “kHz” step	36
◇ Selecting 1 Hz step	37
◇ Auto tuning step function	37
◇ 1⁄4 tuning step function	37
◇ Band edge warning beep	38
■ Operating mode selection	39
■ Squelch and receive (RF) sensitivity	40
■ Volume setting	41
■ Meter indication selection	41
◇ Multi-function digital meter	41
◇ Meter type selection	42
■ Voice synthesizer operation	42
■ Basic transmit operation	43
◇ Transmitting	43
◇ Microphone gain adjustment	43
◇ Drive gain adjustment	44
◇ Drive gain adjustment	44
4 RECEIVE AND TRANSMIT	45
■ Functions for CW operation	45
◇ About CW reverse mode	45
◇ About CW pitch control	45
◇ CW sidetone function	45
◇ APF (Audio Peak Filter) operation	46
■ Electronic keyer functions	47
◇ Memory keyer screen	48
◇ Editing a memory keyer	49
◇ Contest number set mode	50
◇ Keyer set mode	51
■ RTTY (FSK) operation	53
◇ About RTTY reverse mode	54
◇ Twin peak filter	54
◇ Functions for the RTTY decoder indication	55
◇ Setting the decoder threshold level	55
◇ RTTY memory transmission	56
◇ Automatic transmission/reception setting	56
◇ Editing RTTY memory	57
◇ RTTY decode set mode	58
◇ Data saving	60
■ PSK operation	61
◇ About BPSK and QPSK modes	62
◇ Functions for the PSK decoder indication	63
◇ Setting the decoder threshold level	63
◇ PSK memory transmission	64
◇ Automatic transmission/reception setting	64
◇ Editing PSK memory	65
◇ PSK decode set mode	66
◇ Data saving	68
■ Repeater operation	69
◇ Repeater access tone frequency setting	69
■ Tone squelch operation	70
■ Data mode (AFSK) operation	71
■ Spectrum scope screen	72
◇ Center mode	72
◇ Fixed mode	73
◇ Mini scope screen indication	74
◇ Scope set mode	74
■ Preamplifier	79
■ Attenuator	79
■ RIT function	80
◇ RIT monitor function	80
■ AGC function	81
◇ Selecting the preset value	81
◇ Setting the AGC time constant preset value	81
■ Twin PBT operation	82
■ IF filter selection	83
◇ IF filter selection	83
◇ Filter passband width setting (except FM mode)	83
◇ Roofing filter selection	84
◇ DSP filter shape	84
◇ Filter shape set mode	85
■ Dualwatch operation	86
■ Noise blanker	88
◇ NB set mode	88
■ Noise reduction	89
■ Dial lock function	89
■ Notch function	90
■ Autotune function	90
■ VOX function	91
◇ Using the VOX function	91
◇ Adjusting the VOX function	91
■ Break-in function	92
◇ Semi break-in operation	92
◇ Full break-in operation	92
■ Speech compressor	93
■ Transmit filter width setting	93
■ ⊿TX function	94
◇ ⊿TX monitor function	94
■ Monitor function	94
■ Split frequency operation	95
■ Quick split function	96
◇ Split lock function	96
5 VOICE RECORDER FUNCTIONS	97
■ About digital voice recorder	97
■ Recording a received audio	98
◇ Basic recording	98
◇ One-touch recording	98
■ Playing the recorded audio	99
◇ Basic playing	99
◇ One-touch playing	99
■ Protect the recorded contents	100
■ Erasing the recorded contents	100
■ Recording a message for transmit	101
◇ Recording	101
◇ Confirming a message for transmit	101
■ Programming a memory name	102
■ Sending a recorded message	103
◇ Transmit level setting	103
■ Voice set mode	104
■ Saving a voice message into the USB-Memory	105
◇ Saving the received audio memory	105
◇ Saving the TX memory	105
6 MEMORY OPERATION	106
■ Memory channels	106
■ Memory channel selection	106
◇ Using the [▲]/[▼] keys	106
◇ Using the keypad	106
■ Memory list screen	107
◇ Selecting a memory channel using the memory list screen	107
◇ Confirming programmed memory channels	107
■ Memory channel programming	108
◇ Programming in VFO mode	108
◇ Programming in memory mode	108
■ Frequency transfers	109
◇ Transferring in VFO mode	109
◇ Transferring in memory mode	109
■ Memory names	110
◇ Editing (programming) memory names	110
■ Memory clearing	110
■ Memo pads	111
◇ Writing frequencies and operating modes into memo pads	111
◇ Calling up a frequency from a memo pad	111
7 SCANS	112
■ Scan types	112
■ Preparation	112
■ Scan set mode	113
■ Programmed scan operation	114
■ ⊿F scan operation	114
■ Fine programmed scan/Fine ⊿F scan	115
■ Memory scan operation	116
■ Select memory scan operation	116
■ Setting select memory channels	117
◇ Setting in scan screen	117
◇ Setting in memory list screen	117
◇ Erasing the select scan setting	117
■ Tone scan	118
8 ANTENNA TUNER OPERATION	119
■ Automatic antenna selection	119
■ Antenna tuner operation	120
◇ Tuner operation	120
◇ Manual tuning	120
■ Optional external tuner operation	121
9 CLOCK AND TIMERS	122
■ Clock set mode	122
■ Daily timer setting	123
■ Setting sleep timer	124
■ Timer operation	124
10 SET MODE	125
■ Set mode description	125
◇ Set mode operation	125
◇ Screen arrangement	126
■ Level set mode	127
■ ACC set mode	131
■ Display set mode	133
■ Others set mode	135
■ USB-Memory set menu	143
◇ USB-Memory set screen arrangement	143
■ File loading	144
◇ Load option set mode	145
■ File saving	146
◇ Save option set mode	147
■ Changing a file name	148
■ Deleting a file	149
■ Unmounting USB-Memory	149
■ Formatting the USB-Memory	150
11 MAINTENANCE	151
■ Troubleshooting	151
◇ Transceiver power	151
◇ Transmit and receive	151
◇ Scanning	152
◇ Display	152
◇ Format USB-Memory	152
■ Main dial brake adjustment	152
■ SWR reading	153
■ Screen type and font selections	153
■ Frequency calibration (approximate)	154
■ Opening the transceiver’s case	155
■ Clock backup battery replacement	155
■ Fuse replacement	156
◇ DC power cable fuse replacement	156
◇ Circuitry fuse replacement	156
■ Resetting the CPU	156
■ About protection indications	157
■ Screen saver function	157
12 CONTROL COMMAND	158
■ Remote jack (CI-V) information	158
◇ CI-V connection example	158
◇ Data format	158
◇ Command table	159
◇ Data content description	164
13 SPECIFICATIONS AND OPTIONS	167
■ General	167
■ Transmitter	167
■ Receiver	167
■ Antenna tuner	167
■ Options	168
14 UPDATING THE FIRMWARE	169
■ General	169
■ Caution	169
■ Preparation	170
◇ Firmware and firm utility	170
◇ File downloading	170
■ Firmware update	171
15 CE	173