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Nov. 2007 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST ......... . . 1 FREQUENCY ADJUSTMENT for "B-6617D"...
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FREQUENCY ADJUSTMENT for "B-6617D" Nov. 2007 6-2 FREQUENCY ADJUSTMENT Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC’s keyboard. ADJUSTMENT ADJUSTMENT CONDITION UNIT OPERATION VALUE PLL LOCK Set the preset value of [LV (RX1)], [LV (RX2)] to “210 [4.11V],”...
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8. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
SECTION 1 SPECIFICATIONS [USA] [EXP] [EUR] • Frequency coverage 136–174 MHz • Type of emission Wide 16K0F3E (25.0 kHz) Middle – 14K0F3E (20.0 kHz) 11K0F3E (12.5 kHz) 8K50F3E (12.5 kHz) Narrow 8K10F1E/D (12.5 kHz) 4K00F1E/D (6.25 kHz) 4K00F1E/D(6.25 kHz) • Number of programable channels max.
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SECTION 2 INSIDE VIEWS • FRONT UNIT FRONT CPU (IC503: HD64F3687) LCD DRIVER (IC501: S1D15206F) FRONT CPU CLOCK (X501: CR-764) • MAIN UNIT AF SWITCH/AMP BBIC CLOCK (IC1: NJM12902V) (X2: CR-765) IF IC (IC170: TA31136FNG) REF OSC (X1: CR-826) PLL IC (IC4: LMX2352TM) CPU CLOCK (X5: CR-764)
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SECTION 3 DISASSEMBLY INSTRUCTION 1. Removing the front panel 2. Removing the MAIN UNIT q Turn the transceiver’s power OFF, then disconnect the DC q Unscrew 7 screws A, and unsolder 3 points B. power cable w Unscrew the 4 bottom screws, then remove the bottom cover from the transceiver in the direction of the arrow.
SECTION 4 OPTIONAL UNITS INSTALLATION BEFORE INSTALLING OPTIONAL UNITS A sponge with an adhesive strip has been added to optional units (UT-96R, UT-108R, UT-109R, UT-110R, UT-119R, UT-119H, UT-124, UT-124R). Remove the bottom protective papar, and attach the sponge to the specifi ed position on the optional units as below.
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Optional UT-96R or UT-119H installation Install the optional UT-96R or UT-119H unit as follows: q Turn the power OFF, then disconnect the DC power cable. w Unscrew the 4 cover screws, then remove the bottom cover. Sponge Front panel e Install the UT-96R to J1 and the UT-119H to J2 as shown in the diagram below.
SECTION 5 CIRCUIT DESCRIPTION The 1st IF signal from the 1st IF amplifier (Q12) is applied 5-1 RECEIVER CIRCUITS to the IF IC (IC5, pin 16). The applied signal is converted RF CIRCUITS into the 2nd IF signal by being mixed with the 2nd LO signal The antenna switching circuit toggles between the receive from X1 via tripler (Q3, L3, L2, C32−C35).
The processed AF signals from the base band IC (IC2) are 5-2 TRANSMITTER CIRCUITS passed through the AF mute switch (IC8, pins 3, 4) and D/A MICROPHONE AMPLIFIER CIRCUITS converter (IC6, pins 15, 16) for level adjustment. The level The AF signals from the microphone (MIC signals) are adjusted AF signals are amplified by AF amplifier (IC22).
TX POWER AMPLIFIERS APC CIRCUIT The transmit signal from the TX VCO is amplified to the The APC (Automatic Power Control) circuit prevents the transmit output level by the transmit amplifi ers. transition of the transmit output power level which is caused by load mismatching or heat effect, etc.
PLL IC The phase difference is output from pin 4 as a pulse type The PLL circuit provides stable oscillation of the transmit signal after being passed through the internal charge pump. frequency and receive 1st LO frequency. The PLL output The output signal is converted into the DC voltage (lock frequency is controlled by the divided ratio (N-data) from the voltage) by passing through the loop filter (Q8, Q9).
5-5 PORT ALLOCATIONS Port Description Name • CPU (MAIN UNIT; IC14) Outputs CPU clock frequency shift signal to the CPU Port CSFT Description clock oscillator (X2, D38). Name Outputs CTCSS/DTCS select signal to the CTCSS/ DUSE DSDA Outputs serial data to the D/A converter (IC20, pin 6). DTCS switch (Q34).
[Next>] to install the software to the destination folder. (e.g. items as below. C:\Program Files\Icom\CS-F5060 ADJ) t Set or modify adjustment data as specifi ed. y After the installation is completed, the “InstallShield Wiz- ard Complete”...
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SSG is connected to SP (4 Ω) the antenna connector. to the antenna connector OPC-1122U (USB type) to an RS-232C port JIG CABLE RS-232C cable (straight) IC-F5061 to the IC-F5062 [MICROPHONE CONNECTOR] IC-F5063 AC millivoltmeter JIG CABLE Audio generator • JIG CABLE...
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• ADJUSTMENT SOFTWARE WINDOW Transmit output power Modulation balance FM deviation CTCSS/DTCS deviation Squelch level Reference frequency RX sensitivity (Auto.) RX sensitivity (Manu.) PLL lock Voltage (Adjustment) PLL lock Voltage (Preset) S-meter FM deviation (Narrow) FM deviation (Middle) *; DO NOT put the cursor on these items and push the [ENTER] key.
6-2 FREQUENCY ADJUSTMENT Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC’s keyboard. ADJUSTMENT ADJUSTMENT CONDITION UNIT OPERATION VALUE PLL LOCK 1 Set the preset value of [LV (RX1)], [LV (RX2)] and [LV (TX)] to “204 [4.00V]” on the adjustment software. VOLTAGE (adjustment) 2 •...
6-3 TRANSMIT ADJUSTMENT Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC’s keyboard. ADJUSTMENT ADJUSTMENT CONDITION UNIT OPERATION VALUE OUTPUT 1 • Channel : CH 5 Rear Connect an RF power meter to 50 W [USA]...
6-4 RECEIVE ADJUSTMENT Select an adjustment item using [↑] / [↓] keys, then set to the specifi ed value using [←] / [→] keys on the connected PC’s keyboard. ADJUSTMENT ADJUSTMENT CONDITION UNIT LOCATION VALUE RECEIVE NOTE: “RECEIVE SENSITIVITY” must be adjusted before “S-METER.” Otherwise, “S-METER” will not be SENSITIVITY adjusted properly.
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