Icom IC-7800, Service Manual Addendum

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GENERAL
• Frequency coverage:
Receive 0.030–60.000 MHz* 1, * 2
Transmit 0.1357–0.1378 MHz* 2 1.800–1.999 MHz* 2
3.500–3.999 MHz* 2
5.3305, 5.3465, 5.3665, 5.3715, 5.4035 MHz* 2
7.000–7.300 MHz* 2 10.100–10.150 MHz* 2
14.000–14.350 MHz* 2 18.068–18.168 MHz* 2
21.000–21.450 MHz* 2 24.890–24.990 MHz* 2
28.000–29.700 MHz* 2 50.000–54.000 MHz* 2
* 1 Some frequency bands are not guaranteed.
* 2 Depending on version.
• Mode : USB, LSB, CW, RTTY, AM, FM,
PSK31
• Number of memory channels
: 101 (99 regular, 2 scan edges)
• Antenna connector : SO-239
✕
4 [antenna impedance; 50
Ω
]
• Usable temp. range: 0˚C to +50˚C (32˚F to 122˚F)
• Frequency stability : Less than ±0.05 ppm
(IC-7800’s condition: After 5 min. since
turns power ON on the rear panel)
• Freq. resolution : 1 Hz
• Power supply : 85–265 V AC
(universal input)
voltage
• Power consumption :
Transmit at 200 W 800 VA
Receive stand-by 200 VA (typical)
max. audio 210 VA (typical)
• Dimensions : 424 (W)
✕
149(H)
✕
435(D) mm
(Proj. not included) 16 11 ⁄
16
(W)
✕
5 7 ⁄
8
(H)
✕
17 1 ⁄
8
(D) in
• Weight : Approximate 25 kg (55 lb)
• ACC 1 connector : 8-pin DIN connector
• ACC 2 connector : 7-pin DIN connector
• CI-V connector : 2-conductor 3.5(d) mm ( 1 ⁄
8
")
• Display : 7-inch diagonal wide TFT color LCD
(800
✕
480)
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TRANSMITTER
• Output power :
HF: SSB/CW/RTTY/FM/PSK31 5–200 W
AM 5–50 W
137 kHz: CW More than –20 dBm
(except for [USA] and [KOR])
• Modulation system :
SSB PSN modulation
AM Low power modulation
FM Phase modulation
• Spurious emission : More than 60 dB (HF bands)
More than 70 dB (50 MHz band)
• Carrier suppression: More than 63 dB (HF bands)
More than 73 dB (50 MHz band)
• Unwanted sideband suppression: More than 80 dB
• Mic. connector : 8-pin connector (600
Ω
)
• ELE-KEY connector: 3-conductor 6.35(d) mm ( 1 ⁄
4
")
• KEY connector : 3-conductor 6.35(d) mm ( 1 ⁄
4
")
• SEND connector : Phono (RCA)
• ALC connector : Phono (RCA)
■
RECEIVER
• Receive system : Double-conversion superheterodyne
• Intermediate frequencies:
1st IF frequency 64.455 MHz (Main band)
64.555 kHz (Sub band)
2nd IF frequency 36 kHz
• Sensitivity (Typ.) :
SSB, CW, RTTY (at 2.4 kHz bandwidth)
0.1–1.799 MHz* 1 0.5 µV (10 dB S/N)
1.8–29.99 MHz* 1 0.16 µV (10 dB S/N)
50.0–54.0 MHz* 2 0.13 µV (10 dB S/N)
AM (at 6.0 kHz bandwidth)
0.1–1.799 MHz* 1 6.3 µV (10 dB S/N)
1.8–29.99 MHz* 1 2.0 µV (10 dB S/N)
50.0–54.0 MHz* 2 1.0 µV (10 dB S/N)
FM (at 15 kHz bandwidth)
28.0–29.99 MHz* 1 0.5 µV (12 dB SINAD)
50.0–54.0 MHz* 2 0.32 µV (12 dB SINAD)
* 1 Pre-amp1 is ON * 2 Pre-amp2 is ON
• Squelch sensitivity : (Pre-amp OFF)
SSB/CW/RTTY/PSK31 Less than 5.6 µV
FM
Less than 1.0 µV
• Selectivity :
SSB/RTTY (at 2.4 kHz bandwidth)
More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
CW (at 500 Hz bandwidth)
More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
AM (at 6 kHz bandwidth)
More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
FM (at 15 kHz bandwidth)
More than 12 kHz/–6 dB
Less than 20 kHz/–60 dB
• Spurious and image rejection response ratio:
More than 70 dB
• RIT variable range : ±9.999 kHz
• Audio output power : More than 2.6 W at 10 % distortion
with an 8
Ω
load
• PHONES connector: 3-conductor 6.35 (d) mm ( 1 ⁄
4
")
• EXT SP connector : 2-conductor 3.5 (d) mm ( 1 ⁄
8
") 8
Ω
✕
2
(for Main and Sub)
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ANTENNA TUNER
• Output matching range:
HF bands 16.7–50
Ω
unbalanced* 1
50 MHz band 20–125
Ω
unbalanced* 2
* 1 VSWR better than 3:1; * 2 VSWR better than 2.5:1
• Minimum operating input power:
HF bands : 8 W
50 MHz band : 15 W
• Tuning accuracy : VSWR 1.5:1 or better
• Insertion loss : Less than 1.0 dB
(after tuning)
All stated specifications are subject to change without notice or obligation.
SECTION 1 SPECIFICATIONS