PDHFRS-3000PKHFRS Transceiver

1/21 FRS 3000-PK SERVICE MANUAL 2-WAY PORTABLE HANDHELD RADIO OCTOBER 19, 2001 2/21 CONTENT 1. GENERAL 1.1 General 1.2 Characteristic 1.3 Composition 2. SPECIFICATION 2.1 General Specification 2.2 Electrical Specification 3. OPERATION 3.1 ICON on LCD 3.2 Key Functions 3.3 Setting and Operation 4. ADJUSTMENT 4.1 Frequency synthesizer 4.2 Transmitter 4.3 Transmitter Test 4.4 Receiver 4.5 Receiver Test 4.6 Symptoms, check point & Correction 5. DESCRIPTION OF RADIO CIRCUIT 5.1 Frequency Synthesizer 5.2 Receiver 5.3 Transmitter 6. BLOCK DIAGRAM 7. SCHEMATIC 8. COMPONENT PARTLIST 9. EXPLODED VIEW 10. ASSEMBLY DRAWING AND PHOTOGRAPH 11. CHANNEL DATA 3/21 1. GENERAL 1.1 GENERAL This equipment, FRS 3000-PK is called 2 way portable handheld radios. The frequency range is 462 ~ 467MHz, UHF operating Channels for international 2 way radio. Also it has a 38 CTCSS feature to get the clear communication without interference. 1.2 CHARACTERISTIC a) All active device in this radio is composed of semiconductor and high density IC. b) To design this radio in compact and weight approximately 140g with out battery. c) CPU of this equipment is H8/3802 from HITACHI d) It’s power can operate by use of alkaline 4 cell(1.5V AAA) battery. 1.3 COMPOSITION This radio is composed of following. a) Transceiver (W/Antenna) b) Belt clip 4/21 2. SPECIFICATION 2.1 GENERAL SPECIFICATIONS a) Frequency range : 462.5625 ~ 467.7125 MHz b) Output Impedance : 50Ω Unbalanced c) Modulation Type : 8K0F3E d) Communication Mode : Half duplex e) Channel Capacity : 14 channel f) Channel Spacing : 12.5 kHz g) Power : 6.0V(alkaline) h) Battery Life : Alkaline.1000mAh >14.5hours (Tx5%, Rx5%, Stand-by90%) i) Operating Temperature : -20°C ~ +60°C j) Dimension : 107(H) x 58(W) x 28(D) k) Weight : 140g (without battery) 2.2 ELECTRICAL SPECIFICATION a) TRANSMITTER 1) Output power : Max . 500mW 2) Frequency Stability : ± 2.5 ppm(-20°C ~ +60°C) 3) Modulation Method : FM 4) Oscillation Method : PLL SYNTHESIZER 5) Max. Frequency Deviation : < ± 2.5 kHz (with tone) 6) Cooling Method : air-cooling Method 7) Spurious Emission : < -60dB 8) FM Hum/Noise : > -40dB(1kHz 60% modulation, w/CCITT) 9) Distortion : < 5% (1kHz 60% modulation) 10) Tx Audio Response : 6dB / OCT ± 3dB Pre-Emphasis(300Hz ~ 3kHz) b) RECEIVER 1) Receiver Method : Double Super Heterodyne 2) Receiver Sensitivity : < 0.25uV(12dB SINAD) : > -119dBm 3) Squelch Sensitivity : -120dBm ~ -130dBm(AUDIO On/Off Point) 4) Bandwidth : > 8kHz (6dB ATT point) 5) Selectivity : < - 50 dB (12.5kHz) 6) Local Frequency Stability : ± 2.5ppm(-20°C ~ +60°C) 7) Spurious Response : > 50 dB 8) Audio output : 250mW (Internal 8Ω load THD 10%) 9) Distortion : < 5% (1kHz 60% Modulation) 10) RxAudio Response : 6dB/OCT +1/-10dB De-Emphasis(300Hz~2.5kHz) 11) S/N Radio : < 40 dB(1kHz 60% Modulation) 12) IF : 1’st IF --- 21.7MHz 2’nd IF --- 450kHz 13) Local Frequency : 1’st Local Frequency --- fc – 21.7MHz 2’nd Local Frequency --- 21.250MHz 5/21 3. OPERATION 3.1 ICONS on LCD 1) Monitor indicator : Appears when the CTCSS isn’t in use and squelch is open. 2) Key lock indicator : Indicates that the key lock function is in use. 3) Beep ON/OFF indicator : Appears while key tone is in use. 4) Roger On/Off indicator : Appears while Roger tone is in use. 5) Battery indicator : Indicates the battery status 6) Receive signal indicator : Appears when receiving signal or squelch noise is existing. 7) ID indicator : Appears when the ID function is in use. 8) Channel readout : Shows the current channel number. 9) CTCSS readout : Shows the operating CTCSS frequency or code. 10) SCAN indicator : Indicates that scan is enabled. 11) CTCSS indicator : Appears when the CTCSS function is in use. 12) Dual Watch indicator : Appears when the Dual Watch function is in use. 13) Out Of Range indicator : Appears when the Out Of Range function is in use. 14) VOX (Voice Activated Transmit) Indicator : Turning on the power while pressing PTT button activates VOX function. 3.2 Key Function 6/21 1) PTT switch : Push and hold to transmit ; release to receive. 2) Monitor : Press and hold this key for over 2 seconds to enable the receive CTCSS feature. 3) Up/Down key : In the stand-by mode, Pressing this button will increment or decrement the listening volume. When in function edit mode, this button will be used to adjust the unit settings.. 4) Scan / Lock key : Push this key to momentarily to enable or disable the scan. Press and hold this key for over 2seconds to lock or unlock keypad. 5) Mode (Function) key : Push to select the following function setting mode. Brief press mode : 1'st press – Channel , 2’nd press – CTCSS, 3’rd press – VOX level, 4'th press – Dual Watch Channel, 5’th press – Roger On/Off, 6'th press – Beep On/Off, 7’th press – Out Of Range On/Off, 8’th press – ID, 9’th press – Call 6) Speaker / Microphone 7) LCD (Liquid Crystal Display) 8) Transmit / Receive indicator : When receiving an incoming signal, the LED indicator will light green, and while the PTT 7/21 button is pressed, the LED will light red. These LED’s are used for backlighting as well. 9 )External speaker/mic jacks : Connect an optional speaker/mic or headset, if desired. The internal mic and speaker will not function when either is connected. 2) Function display Monitor Indicator: Icon appears when the monitor button is pressed and the channel monitor function is activated. Key Lock Indicator: Icon appears when the keypad is locked. This function disables keys such as channel up/down and mode. Signal Strength Indicator: Icon appears when a signal is being received. The Icon consists of five bars to indicate the received signal level. Beep Tone Indicator: Icon appears when beep tone confirmation tone is selected. Icon disappears when tone is off. Roger Beep Tone On/Off Indicator: Icon appears when the roger beep tone is selected. Icon disappears when tone is off. Battery Level Indicator: Icon indicates the battery charge level. Large Segment Display: Indicates the channel …

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tti.... TTI Tech Co., Ltd. Room 402, Eundo Bldg. 737-19, Banpo-1 dong, Seocho-ku, Seoul, Korea 137-041 (T) +82 2 518 2417/8 (F) +82 2 518 2419 December 26, 2001 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 U.S.A. Dear Sir : We, TTI Tech Co., Ltd., hereby request the confidentiality of what documents we turned in including Theory of Operation, Functional Block Diagram, Schematic Diagram, Part List and Tune-up Procedure for our FCC-Applied ID PDHFRS-3000PKH. Truly yours, H. J. Lee / Senior Manager TTI Tech Co., Ltd.

TTI, co. Ltd. FCC ID:PDHFRS-3000PKH Assessment no:AN02T1809 Date: 3/25/2002 Answer to Question #1: Emission designator justification: 2M+2DK=(2 x2.41) + (2x2.43)=9.68kHz Emission Designator=9K7F3E Answer to Question #2: Additional internal photos have been uploaded to TCB. Answer To Question #3:Attached please find revised user manual . Best Regards Steve Cheng /Compliance Certification Services

PROPOSED FCC ID LABEL AND LOCATION FCC ID LABEL FCC ID: PDHFRS-3000PKH MODEL NO: FRS 3000-PK TTI TECH CO., LTD. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDERSIRED OPERATION. MADE IN KOREA

. FCC CFR47 PART 95 REQUIREMENT CERTIFICATION REPORT FOR FRS TRANCEIVER (HANDHELD) MODEL: FRS 3000-PK FCC ID: PDHFRS-3000PKH REPORT NUMBER: 01I1085-1 ISSUE DATE: JANUARY 28, 2002 Prepared for TTI TECH CO., LTD. EUNDO BLVD. #402, 737-19, BANPO-1 DONG SEOCHO-KU, KOREA 137-041 Prepared by COMPLIANCE ENGINEERING SERVICES, INC. 561F MONTEREY ROAD, MORGAN HILL, CA 95037, USA TEL: (408) 463-0885 REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 2 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. TABLE OF CONTENTS 1. VERIFICATION OF COMPLIANCE...........................................................................3 2. GENERAL INFORMATION..........................................................................................4 2.1. PRODUCT DESCRIPTION......................................................................................4 2.2. TEST METHODOLOGY..........................................................................................4 2.3. TEST FACILITY.......................................................................................................4 2.4. ACCREDITATION AND LISTING.........................................................................4 2.5. MEASURING INSTRUMENT CALIBRATION.....................................................4 3. REQUIREMENTS OF PROVISION.............................................................................5 3.1. GENERAL TECHNICAL REQUIMENTS...............................................................5 3.2. LABELING REQUIREMENT..................................................................................5 3.3. USER INFORMATION.............................................................................................5 4. OUTPUT POWER MEASUREMENT..........................................................................6 4.1. PROVISION APPLICABLE......................................................................................6 4.2. MEASUREMENT PROCEDURE.............................................................................6 4.3. OUTPUT POWER TEST EQUIPMENT.................................................................10 4.4. MEASUREMENT RESULT....................................................................................10 5. MODULATION CHARACTERISTICS......................................................................11 5.1. PROVISIONS APPLICABLE.................................................................................11 5.2. MEASUREMENT METHOD..................................................................................11 5.3. MEASUREMENT INSTRUMENT.........................................................................13 5.4. MEASUREMENT RESULT....................................................................................14 6. EMISSION BANDWIDTH............................................................................................20 6.1. PROVISIONS APPLICABLE.................................................................................20 6.2. MEASUREMENT METHOD..................................................................................20 6.3. MEASUREMENT INSTRUMENT.........................................................................21 6.4. MEASUREMENT RESULT....................................................................................21 7. UNWANTED EMISSION.............................................................................................23 7.1. PROVISIONS APPLICABLE.................................................................................23 7.2. MEASUREMENT PROCEDURE...........................................................................24 7.3. MEASUREMENT INSTRUMENT.........................................................................27 7.4. MEASUREMENT RESULT....................................................................................28 8. FREQUENCY STABILITY MEASUREMENT.........................................................33 8.1. PROVISIONS APPLICABLE.................................................................................33 8.2. MEASUREMENT METHOD..................................................................................33 8.3. MEASUREMENT INSTRUMENT.........................................................................34 8.4. MEASUREMENT RESULT....................................................................................35 REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 3 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. 1. VERIFICATION OF COMPLIANCE Inspection Institution: COMPLIANCE ENGINEERING SERVICES, INC. 561F MONTEREY ROAD, MORGAN HILL, CA 95037, USA TEL: (408) 463-0885 FAX: (604) 463-0888 Applicant: TTI TECH CO., LTD Manufacturer: TTI TECH CO., LTD. Brand Name: TTI TECH CO., LTD. Model No/Name: FRS 3000-PK Serial No: N/A ITEM TESTING ITEM APPLIED SPECIFICATION TESTING RESULTS 1 Channel Frequency Section 95.627(a) Complied 2 Type of Communication Section 95.193 Complied 3 Frequency Toleration Section 95.627(b) Complied 4 Emission Type Section 95.631(d) Complied 5 Emission Bandwidth Section 95.633(c) Complied 6 Unwanted Emission Section 95.635 Complied 7 Modulation Standards Section 95.637(a) Complied 8 Modulation LPF Sec…

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REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 9 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. Radiated Emission Setup 30 – 1000 MHz Radiated Emission Substitution Setup 30 – 1000 MHz REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 13 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. Modulation Characteristic Setup 5.3. MEASUREMENT INSTRUMENT EQUIPMENT MANUFACTURE MODEL NO. SERIAL NO. CAL. DUE DATE Modulation Analyzer HP 8901B 3438A05272 05/31/02 Synthesizer Generator HP 3325A 2652A24749 N/A Power Supply Elenco Elec. Inc. XP-620 01643 N/A REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 20 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. 6. EMISSION BANDWIDTH 6.1. PROVISIONS APPLICABLE According to CFR 47 section 95.633(3), the authorized bandwidth for emission type FRS unit is 12.5 KHz. 6.2. MEASUREMENT METHOD a). Check the calibration of the measurement instrument using either an internal calibrator or a known signal from an external generator. b). Set-up the test equipments as shown in the following Figure (5). Figure 5: Emission Bandwidth measurement configuration Emission Mask / Occupied Bandwidth Setup EUT Synthesizer Generator Modulation Analyzer Power Supply Spectrum Analyzer REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 26 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. Radiated Emission – Substitution Method setup Radiated Emission above 1 GHz measurement setup RF Test Receiver Ant 1m m 0.8m 1m Ground Plane Turn Table SG Substitution Ant REPORT NO: 01I1085-1 DATE: JANUARY 28, 2002 FCC ID: PDHFRS-3000PKH EUT: FRS TRANSCEIVER (HANDHELD) Page 27 of 35 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031C 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. Above 1 GHz Substitution Method Setup 7.3. MEASUREMENT INSTRUMENT EQUIPMENT MANUFACTURE MODEL NO. SERIAL NO. CAL. DUE DATE Spectrum Analyzer HP 8566B 2140A01296 05/04/02 Amplifier MITEQ NSP2600-44 646456 04/12/02 Horn Antenna EMCO 3115 9001-3245 06/20/02 Horn Antenna EMCO 3115 2238 06/20/02 Signal Generator HP 83732B US34490599 03/21/02 Detector Function Setting of Test Receiver Frequency Range (MHz) Detector Function Resolution Bandwidth Video Bandwidth 30 to 1000 Quasi Peak/Peak 120 KHz/100 KHz 120 KHz/100 KHz Above 1000 Average/ Peak 1 MHz 1 MHz