Equipment information:

Icom IC-t2h Transceiver
Manufacturer:
Icom
Model: IC-t2h
Date: 1998
Category: Radio, Communication
Group: Transceiver
Description: 144 MHz FM TRANSCEIVER
Information:
                                    General

• Mode : FM (F2, F3)
• Current drain (at 9.6 V DC) : Transmit at 6.0 W 1.6 A (typical)
at 5.0 W 1.5 A (typical) [Thailand]
at 1.0 W 0.7 A (typical)
Receive max. audio 210 mA (typical)
power saved 25 mA (typical)
standby 80 mA (typical)
• Frequency stability : ±10 ppm (0°C to +50°C; 32°F to 122°F)
• Usable temperature range : –10°C to 60°C; 14°F to 140°F
• Antenna connector : BNC (50 ½)
• No. of memory channels : 43 ch (40 regulator, 2 scan edges and 1 call)
• Acceptable power supply : 9.6 V DC (supplied Ni-Cd cells; negative ground)
• Frequency resolution : 5 kHz and 12.5 kHz
• Dimensions (Projections not included) : 58(W) ´ 140.5(H) ´ 32.3(D) mm; 29⁄32(W) ´ 517⁄32(H) ´ 19⁄32(D) inch
• Weight (with BP-199) : 420 g; 14.8 oz
n TRANSMITTER
• Output power (9.6 V DC) : 6 W typical (high)
5 W typical (high) [Thailand] only
0.7 W typical (low)
• Modulation system : Variable reactance frequency modulation
• Max. frequency deviation : ±5 kHz
• Spurious emissions : Less than –60 dB
• External microphone connector : 3-conductor 2.5 (d) mm (1¤10”) ¤ 2 k½
n RECEIVER
• Receive system : Double conversion superheterodyne
• Intermediate frequencies : 1st 30.85 MHz
2nd 450 kHz
• Sensitivity (12 dB SINAD) : Less than 0.18 μV (–122 dBm)
• Squelch sensitivity (threshold) : Less than 0.18 μV (–122 dBm)
• Selectivity : More than 15 kHz/–6 dB
Less than 30 kHz/–60 dB
• Spurious and image refection ratio : 60 dB (typical)
(except 2nd IF image frequency)
• Audio output power (at 9.6 V DC) : 500 mW (typical at 10% distortion with an 8 ½ load)
• External speaker connector : 3-conductor 3.5 (d) mm (1¤8”) ¤ 8 ½

These manuals are available for the above equipment:

Icom -- IC-t2h -- Service Manual
File name: Icom-3243-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 28
Size: 1.29 Mbytes (1356190 Bytes)
Language: english
Revision:
Manual-ID/Number: A-5518MI-S
Date: 1998
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: b62f919a0a6766daad4600aeda690cd6
ed2kID: 7904f6f964dc4e187ad8bf66c4bcaa92
Downloads: 359 since 11 February 2012
Information:
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 DISASSEMBLY INSTRUCTIONS
SECTION 4 CIRCUIT DESCRIPTION
4 - 1 RECEIVER CIRCUITS ................................................................................................... 4 – 1
4 - 2 TRANSMITTER CIRCUITS ........................................................................................... 4 – 2
4 - 3 PLL CIRCUIT .................................................................................................................. 4 – 3
4 - 4 POWER SUPPLY CIRCUITS ........................................................................................ 4 – 3
4 - 5 CPU PORT ALLOCATIONS ........................................................................................... 4 – 4
SECTION 5 ADJUSTMENT PROCEDURES
5 - 1 PREPARATION............................................................................................................... 5 – 1
5 - 2 PLL AND TRANSMITTER ADJUSTMENTS ................................................................... 5 – 2
5 - 3 RECEIVER ADJUSTMENT ............................................................................................ 5 – 3
SECTION 6 PARTS LIST
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
SECTION 10 BLOCK DIAGRAM
SECTION 11 VOLTAGE DIAGRAM
Icom-3243-Manual-Page-1-Picture
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