Q9FKY104LLow Band Portable Two-Way Radio

KYOSEY JAPAN CO., LTD. Distributed Exclusively In USA By: HOLZBERG COMMUNICATIONS, INC. Totowa, NJ 07512 1-800-654-9550 KY104 Low Band Transceiver FCC ID: Q9FKY104L Serial No.

KYOSEY JAPAN CO., LTD. Distributed Exclusively In USA By: HOLZBERG COMMUNICATIONS, INC. Totowa, NJ 07512 1-800-654-9550 KY104 Low Band Transceiver FCC ID: Q9FKY104L Serial No.

KYOSEY JAPAN CO., LTD. Distributed Exclusively In USA By: HOLZBERG COMMUNICATIONS, INC. Totowa, NJ 07512 1-800-654-9550 KY104 Low Band Transceiver FCC ID: Q9FKY104L Serial No.

1 AUG 4, 2003 CIRCUIT DESCRIPTION : KY-104L GENERAL INFORMATION The KY-104L has four printed circuit boards. Circuitry is described in the following order: Microprocessor/Control Section, VCO/Synthesizer Section, Transmitter Section, Receiver Section and Battery Section. Refer to the Block Diagram and the Schematics. MICROPROCESSOR / CONTROL SECTION The microprocessor Q101 is constantly operating when the radio is turned ON. It is continuously monitoring the keyboard, the PTT line and other internal inputs such as the squelch detect, etc. When a change occurs, the microprocessor makes the appropriate response. The microprocessor is used for control. The Radio emits a beep on channel change and the synthesizer is loaded with the correct frequency information. The microprocessor runs off a 4.194304 MHz oscillator which is composed of X101, C114, C115, and R117. When the radio is first turned on, the microprocessor reads the radio status from the EEPROM Q102. The microprocessor determines the receive frequency codes, then loads the synthesizer via its pins 17, 18 and 43. VCO / SYNTHESIZER SECTION This section consists of the Temperature-Compensated Crystal Oscillator(TCXO), Voltage Controlled Oscillator(VCO), Synthesizer and the Loop Filter. Temperature-Compensated Crystal Oscillator (TCXO) The reference oscillator(X401) is a temperature compensated crystal- oscillator, CV401 is used to adjust the oscillator on frequency (21.25MHz) at room temperature (22). The reference oscillator is held within the specified 10 PPM from - 30 to +60. Voltage-Controlled Oscillators Only one of the VCOs runs at a time, which is controlled by Q910 and Q101. When the PTT is pressed, Q101 pin15 goes low (approx. 0V) disabling the receive VCO by the Q910 and biases on Q909 to enable the transmitter VCO. The receive VCO consists of C913-C920, L902-L905 and Q911, Q912. This VCO oscillates at 21.7 MHz above the programmed receive frequency. The VCO’s oscillating frequency is tuned by the varactor Q912. The tuning voltage is supplied from the output of the Loop Filter. The output of the VCO is AC coupled (C475 R446-R448, R480, C530, and C505) to the synthesizer and the output buffer Q414 respectively. The transmitter VCO consists of C931-C937,L916-L918 and Q916-Q918. This VCO oscillates on the programmed transmit frequency. The VCO’s oscillating frequency is tuned by the varactors Q918. The tuning voltage is supplied from the output of the Loop Filter. The output of the VCO is AC coupled (C930) to the synthesizer input buffer Q908 and the output buffer Q413 respectively. The transmit voltage controlled oscillator is directly frequency-modulated and operates on the carrier frequency. In the receive mode, the transmit VCO is disabled and the receive VCO is enabled, producing the receive local oscillator signal at a frequency 21.7MHz below the incoming receive frequency. The synthesizer is tuned in 5.00kHz or 6.25kHz step. Synthesizer 2 AUG 4, 2003 The frequency synthesizer is a large scale monolithic synthesizer integrated circuit Q429. The synthesizer IC contains a dual modular prescaler, programmable divide-by-N counter, prescale control (swallow) counter, reference oscillator, reference divider, phase detector, charge pump and lock detector. Also, included in Q429 are shift registers and control circuits for frequency controls and general device control. RF output from the active VCO is AC coupled to the synthesizer Q429 prescaler input at pin 8. The divide-by-N counter chain in Q429, consisting of the dual-modulus prescaler, swallow counter and programmable counter, divides the VCO signal down to a frequency very close to 5.00kHz or 6.25kHz which is applied to the phase detector. The phase comparator compares the edges of this of this signal with that of the 5.00kHz or 6.25kHz reference signal from the reference divider and drives the external charge pump (Q425 and Q426). The synthesizer unlock detector circuit prevents the operation of the transmitter, when the phase lock loop (PLL) is unlocked. The following discussion assumes the unit has been placed in the transmit mode. Q429 lock detector Pin 14 goes high when the PLL is locked. This high level is applied to Pin 9 of the microprocessor Q101. A software timing routing brings the RX/TX line low (Pin 15 of Q101). With the RX/TX line low, Q235 is cut off and Q227 is biases on passing +5VTX to the transmitter amplifier string which enables transmission. When the PLL become unlocked, the lock detector at Q429 Pin14 will begin pulsing low. A RC circuit converts pulsing low to a low level for the microprocessor. The microprocessor then changes the RX/TX line to a high, thus signaling the other transistor switches to drive Q227 into cutoff which disable transmission. Therefore, the transmitter remains disabled while the loop remains out of lock. Loop Filter The Loop Filter, a passive lead-lag filter consisting of R461, R462, R464, R502 and C493-C495, integrates the charge pump output to produce the DC turning voltage for the VCO. One parasitic pole, consisting of R461/C493 and RF chokes L906/L918, prevent modulation of the VCOs by the 5.00kHz or 6.25kHz reference energy remaining at the output of the loop filter. Direct FM is obtained for modulating frequencies outside the PLL bandwidth by applying the CTCSS/DCS signals and the pre-emphasized, limited microphone audio to the VCO modulation circuit. The modulation circuit consists of R945, Q917 and C935. TRANSMITTER SECTION RF POWER Amplifier After the PTT is pressed, the +5VTX line switches to approximately 5V. Q909 is turned on enabling transmit VCO. The VCO buffer, pre-driver, driver and power amplifier are biased on by Q227, which is biased on by the +5VTX line switching to 5V. RF output from the transmit VCO(Q916) is applied to the VCO output buffer Q908. Output from Q908 feeds the pre-driver amplifier Q413. The output signal from Q413 feeds the driver amplifier Q412, whose output from the driver stage feeds th…

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KY-104LKY-104L ITEMTYPEPART DESCRIPTIONREFERENCE NO.REMARK QTY(29.7~38.0MHz) ***** MAIN MECHANICAL KIT ***** 11PC (B)FRONT CASE10001 22BsBMINSERT50008 31ABS/PC (B)KNOB VOLUME10010 42SILICONEGASKET VOLUME30003 52SK5 t0.25D-SPRING40007 61PC (B)COVER PTT10003 71SILICONEBUTTON PTT30006 81SILICONEGASKET SP/MIC30007 91PC (B)COVER SP&MIC10004 101FELT t0.3FELT SPEAKER70002 111SILICONELENS LED30001 121SUS(BH)M2.6 X 6SCREWSP/MIC COVER + FRAME 131ALFRAME MAIN20001 141SILICONEGASKET MAIN30002 1510.3t PBCLABEL NAME70005 167TAP TIGHT(PH)2.0 X 4SCREWMAIN PCB + FRAME 172(BH) M2.6 X 6SCREWFRONT COVER + FRAME 182BsBM Ni-PLATENUT VOLUME50002 191WOOD FREE PAPERSERIAL NO LABEL 202Spring Connector PinCKI-6820-1609 212SILICONEBUSHING TERMINAL30004 220SILICONEBUSHING MIC30005 231SILICONEMIC RUBBER8710636 241SHEET M(MIC)MICRO TEX8710632 251CR SPONGE (3M TAPE)CUSHION-B 260CR SPONGE (3M TAPE)CUSHION-(X'TAL) 270PC t0.3NAME PLATE (FRONT CASE) 281ABS/PC (B)KNOB CHANNEL10011 291SPT t0.2ANT SHIELD CASE40002 301SPT t0.2PA SHIELD CASE40003 310SPT t0.2DRIVER SHIELD CASE40004 321Cu t=2HEAT SINK40008 331SILICONE SHEET 3410.3t PBCLABEL VHF70003 ***** BATTERY MECHANICAL KIT ***** 11PC (B)TOP BATTERY10005 21PC (B)BOTTOM BATTERY10006 31SK5 t0.4HOLDER BATTERY40001 41PC (B)BUTTON BATTERY10008 53BsBM GOLD PLATETERMINAL CHARGE50006 61POLYESTER t0.15LABEL BATTERY 71GASKET BATT. 82BsBM GOLD PLATETERMINAL BATTERY50009 ***** ANTENNA KIT ***** 11BsBM Cr-PLATERING GND50003 22BsBM Cr-PLATENUT ANT50001 31ACETALSPACER ANT10012 3a1ACETALSPACER ANT_2 41NSS t0.2 NaTERMINAL GND40006 51ACETAL (B)SPACER TERMINAL ANT10013 61NSS t0.2 NaTERMINAL ANT40005 71BsBM Cr-PLATECONTACTOR ANT50007 ***** BELT CLIP KIT ***** 11PC (B)BELT CLIP 10007 21PC (B)HINGE 10009 31BsBM Ni-PLATESHAFT BELT CLIP50004 41SUS304WPBSPRING BELT CLIP60001

Ref. No.Part TypeDescription C101Chip Capacitor0.001u C102Chip Capacitor0.001u C105Chip Capacitor0.001u C106Tantalum elec. chip cap.10u6V(T) C107Chip Capacitor0.001u C108Chip Capacitor0.001u C109Chip Capacitor56p C110No Mount C111Chip Capacitor220p C112Chip Capacitor0.001u C113No Mount C114Chip Capacitor39p C115Chip Capacitor10p C116Chip Capacitor0.01u C117Chip Capacitor0.1u C118Chip Capacitor0.001u C119Chip Capacitor0.001u C120Chip Capacitor0.001u C121Chip Capacitor0.001u C122Chip Capacitor0.001u C123Chip Capacitor0.001u C124No Mount C125No Mount C126No Mount C127No Mount C128No Mount C129No Mount C130No Mount C131No Mount C132No Mount C134No Mount C135No Mount C136Chip Capacitor0.001u C137Chip Capacitor0.001u C138Chip Capacitor0.001u C139No Mount C150Tantalum elec. chip cap.4.7u6V(T) C151Chip Capacitor0.1u C155Chip Capacitor0.1u C160Tantalum elec. chip cap.2.2u10V(T) C162Chip Capacitor0.01u C163No Mount C164No Mount C165Chip Capacitor0.001u C173Chip Capacitor0.001u C174Chip Capacitor0.001u C175Chip Capacitor0.001u C176Chip Capacitor0.001u C201Chip Capacitor0.001u C202No mount C205Chip Capacitor0.1u C206Tantalum elec. chip cap.10u6V(T) C207Chip Capacitor0.001u C208Chip Capacitor0.1u C209Chip Capacitor0.1u C210Chip Capacitor10p C212No Mount C213Chip Capacitor0.1u C214No Mount C215Chip Capacitor1u C216Chip Capacitor100p C217Chip Capacitor0.1u C220Chip Capacitor0.001u C221Chip Capacitor0.22u C222Chip Capacitor0.047u C223Chip Capacitor0.0015u C224Chip Capacitor56p C226Chip Capacitor0.01u C227Chip Capacitor0.01u C229Chip Capacitor0.01u C230Chip Capacitor0.01u C231Chip Capacitor0.01u C232Chip Capacitor0.01u C233Chip Capacitor0.01u C234Chip Capacitor0.01u C235Chip Capacitor0.22u C237Chip Capacitor220p C239Chip Capacitor0.001u C241Chip Capacitor0.01u C243Chip Capacitor1u C244Chip Capacitor0.001u C245Tantalum elec. chip cap.10u10V(T) C246Chip Capacitor0.01u C247Chip Capacitor0.01u C248Chip Capacitor0.01u C249Chip Capacitor0.01u C250Chip Capacitor100p C251Tantalum elec. chip cap.10u10V(T) C252Chip Capacitor0.001u C253Tantalum elec. chip cap.10u10V(T) C254Chip Capacitor100p C255Chip Capacitor0.22u C256Tantalum elec. chip cap.100u6V(T) C257Chip Capacitor0.001u C258Chip Capacitor0.047u C259Tantalum elec. chip cap.10u6V(T) C260Chip Capacitor0.001u C262Chip Capacitor0.0056u C263Chip Capacitor0.15u C264Chip Capacitor0.0033u C265Chip Capacitor0.15u C266Chip Capacitor0.015u C276Tantalum elec. chip cap.2.2u10V(T) C278Chip Capacitor0.056u C279Chip Capacitor0.0018u C280Chip Capacitor0.047u C281Chip Capacitor390p C282Chip Capacitor0.15u C283Tantalum elec. chip cap.0.22u35V(T) C284Chip Capacitor0.001u C286Chip Capacitor0.0027u C287Chip Capacitor0.0082u C288Chip Capacitor1u C289Tantalum elec. chip cap.10u6V(T) C290Chip Capacitor1u C292Chip Capacitor0.068u C293Chip Capacitor0.001u C294Chip Capacitor0.001u C296Chip Capacitor0.001u C297Chip Capacitor0.01u C301Chip Capacitor0.0047u C316Chip Capacitor0.1u C317Chip Capacitor0.1u C318No Mount C334No Mount C335No Mount C340Chip Capacitor0.0033u C341Chip Capacitor0.033u C342Chip Capacitor0.1u C412Chip Capacitor82p C414Chip Capacitor150p C415Chip Capacitor82p C416Chip Capacitor120p C417Chip Capacitor56p C419Chip Capacitor82p C421Chip Capacitor0.01u C422Chip Capacitor47p C423Chip Capacitor100p C424Chip Capacitor100p C425Chip Capacitor330p C426Chip Capacitor0.01u C427Chip Capacitor220p C428Chip Capacitor220p C429Chip Capacitor270p C430Chip Capacitor82p C431Chip Capacitor0.01u C432Chip Capacitor0.001u C433Chip Capacitor82p C434No Mount C435Chip Capacitor47p C436Chip Capacitor22p C437Chip Capacitor120p C438Chip Capacitor27p C440Chip Capacitor10p C441Chip Capacitor0.001u C442Chip Capacitor0.01u C443No Mount C444Chip Capacitor0.01u C459Chip Capacitor0.001u C460Chip Capacitor0.001u C461Chip Capacitor0.001u C462Chip Capacitor0.001u C463Chip Capacitor0.001u C464Tantalum elec. chip cap.6.8u6V(T) C465Chip Capacitor470p C466Chip Capacitor0.001u C468Chip Capacitor0.001u C469Chip Capacitor39p C470Chip Capacitor470p C471Chip Capacitor0.001u C472Chip Capacitor22p C473No Mount C474Chip Capacitor0.001u C475Chip Capacitor47p C478Chip Capacitor0.001u C493Tantalum elec. chip cap.0.1u35V(T) C494Tantalum elec. chip cap.0.1u35V(T) C495Tantalum elec. chip cap.22u10V(T) C496No Mount C497Chip Capacitor47p C498Chip Capacitor47p C499Chip Capacitor47p C500Chip Capacitor47p C501Chip Capacitor22p C502Chip Capacitor470p C503No Mount C504Chip Capacitor1u C505Chip Capacitor15p C506Chip Capacitor470p C507Tantalum elec. chip cap.10u6V(T) C508Chip Capacitor47p C509Chip Capacitor47p C510Chip Capacitor22p C511Chip Capacitor4p C512Chip Capacitor0.001u C513Chip Capacitor0.01u C514Chip Capacitor0.01u C515Chip Capacitor0.1u C520Chip Capacitor0.01u C521Chip Capacitor0.01u C522Chip Capacitor0.001u C523Chip Capacitor0.01u C528Chip Capacitor0.001u C529Chip Capacitor0.001u C530Chip Capacitor100p C535No Mount C546No Mount C602Chip Capacitor0.033u C603Chip Capacitor820p C604Chip Capacitor0.012u C605Chip Capacitor0.0068u C607Chip Capacitor0.22u C608Chip Capacitor0.033u C609Chip Capacitor0.001u C610Chip Capacitor0.001u C611Chip Capacitor0.068u C612Chip Capacitor220p C613Chip Capacitor100p C614Chip Capacitor0.0047u C616Chip Capacitor0.1u C617Chip Capacitor0.0068u C618Chip Capacitor82p C619Chip Capacitor0.1u C620Chip Capacitor0.1u C621Tantalum elec. chip cap.10u6V(T) C622Chip Capacitor1u C623Chip Capacitor0.01u C624Chip Capacitor0.1u C636Chip Capacitor47p C641Chip Capacitor100p C642Chip Capacitor100p C643Chip Capacitor0.01u C644Chip Capacitor0.001u C645Chip Capacitor0.01u C646Chip Capacitor0.1u C647Chip Capacitor0.001u C648Chip Capacitor0.1u C649Chip Capacitor0.001u C650Chip Capacitor0.1u C651Chip Capacitor0.001u C652Chip Capacitor22p C735No Mount C736Chip Capacitor0.01u C737Chip Capacitor0.01u C738No Mount C739Chip Capacitor39p C740Chip Capacitor56p C741Chip Capacitor33p C742Chip Capacitor47p C743Chip Capacitor120p C744Chip Capacitor0.01u C745Chip Capacitor150p C746Chip Capacitor120p C747No Mount C748Chip Capacitor100p C74…

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1 2 3 4 5 6 78 ABCD 8 7 6 5 4 3 2 1 D CBA 2 Kyosey Co., Ltd.Rm902 KOWA BLDG,1-1-17 OHASHI, MEGURO-KU,TOKYO 153-0044,JAPAN 3 E12-000110Z TitleSize: Number: Date: File: Revision: Sheet of Time: A2 KY104 AF PART Drw: Chk: Apr: C294 0.001u 1 89 16 Q201TA31136FN C201 0.001u CN201 CONTACTER CN202 CONTACTER C237 220p C239 0.001u Q209 1SR154-400 C205 0.1u C2080.1u C209 0.1u C210 10p R210470K R204 22K + C206 10u6V(T) C207 0.001u R209 22K R208 22K R205 22K C212 - - - R203 22K R212 22K R211 22K R206 22K R207 22K C296 0.001u C213 0.1u C215 1u R218 2.2K C216 100p R2192.2K R36922K C217 0.1u R213 0 R330 0 C2970.01u C2260.01u C2270.01u R229 11K R231 82K R2326.98K 1% C229 0.01u C2300.01u R233 130K R23410K C2310.01u C2320.01u R235 360K R2366.2K C233 0.01u C234 0.01u R237 1.2M R2392.2K R240 - - - C235 0.22u R222 0 C224 56p R22322K R224 470K R225 27K C223 0.0015u C2220.047u C221 0.22u R22610K R2271K C220 0.001u C293 0.001u R2431K C292 0.068u R242 47K R302 100K R303 100K C286 0.0027u C2870.0082u R3153.3K R367 - - - R368 - - - C335- - - C334- - - R316 3.3K R304 0 RV203 47K.B + C28910u6V(T) R305 330K R270 1K R269 10K R268 100K C301 0.0047u R26791K C281 390p C282 0.15u R26691K R26591K C279 0.0018u C2800.047u R26491K R26391K R26291K R261 91K C340 0.0033u R258 470K C341 0.033u C278 0.056u + C276 2.2u10V(T) R310- - - R301 3K R300 10K C257 0.001u C258 0.047u + C25910u6V(T) R27547K R274 1K R246470K C2410.01u R2441K Vin 5 GND 2 Vout 1 NC 3 ON/OFF 4 Q222S-814A50AUC-BDO R376 0 C342 0.1u TP6 R248 47K R249 100 R322 4.7K R321 1K R320 10K R24722K + C245 10u10V(T) C244 0.001u C316 0.1u R341 4.7K C317 0.1u TP4 C260 0.001u CD201 ECDA450C24 B+SW +5V TX DCS/CTCSS1 +5VSW IF TX MOD PLL DATA PLL CLK PLL LE UNLOCK DAC PA +5V TDC BEEP MUTE MOD C1 MOD C2 VOX IN 12.5/25KHz SQL +5V DCS/CTCSS2 BATT DET1 RX/TX AUDIO B SW POWER SAVE SQL MUTE PLL CLK PLL DATA SPKR UNLOCK PA MIC PLL LE DAC VB VB C262 0.0056u C2640.0033u C266 0.015u R276 - - - R277 2.2K C263 0.15u R217 3.3K L202 1000uH(NL453232T) L203 1000uH(NL453232T) C265 0.15u R216 - - - C214 - - - R632 33K 1% R63333K 1% VB + C621 10u6V(T) R634 330 R6044.7K C603 820p R60510K R60610K C6020.033u C6040.012u C605 0.0068u R60710K R60810K R609 100K VB C6070.22u R611 - - - C6080.033u R612 15K RV601 10K.B R613 33K R614 47K C609 0.001u C6100.001u R615 10K R616 1.8K R618 6.8K R617 120K C6110.068u R619 0 VB R659 10K C636 47p R620 4.7K R6220 R621 330K C612 220p C614 0.0047u R655 - - - R657 0 R658 4.7K VB R628 0 R62610K C616 0.1u R627 680K C618 82p R629 NU R631 820K C619 0.1u C620 0.1u R62510K C617 0.0068u VB VB R635 - - - C624 0.1u C284 0.001u MAY 8, 2004 K.Nakamura 1 2 3 4 5 F201 LTM450EW 1 2 3 4 5 F202 ALFYM450G R660 - - - PC4084AF + C283 0.22u35V(T) C641 100p C642 100p RX/TX FU201 429003M R623 1K C613 100p R670 3.3K R661 0 R668 33 R664220K R6664.7K C645 0.01u R667 47K C647 0.001u C648 0.1u C649 0.001u C646 0.1u C650 0.1u C644 0.001u C643 0.01u R669 100K C652 22p R377 10K R6362.2K C651 0.001u 12467 S201TP76N17N 10K.A C288 1u C290 1u 65 7 Q212:2 NJM064V 910 8 Q212:3 NJM064V 1312 14 411 Q212:4 NJM064V 23 1 Q212:1 NJM064V 23 1 Q213:1 NJM064V 1312 14 411 Q213:4 NJM064V 65 7 Q213:2 NJM064V 9 10 8 Q213:3 NJM064V 21.25MHz 1312 14 411 Q602:4 NJM064V 910 8 Q602:3 NJM064V 23 1 Q602:1 NJM064V 65 7 Q602:2 NJM064V PLL-PS PLL-PS C623 0.01u C622 1u R30622K R350- - - C318 - - - C243 1u +5VRX 1 2 3 4 5 Q230 BU4S66 R253 47K R255 4.7K C250 100p + C251 10u10V(T) R254 10 36 421 5 Q225EMD3 R256 47K C248 0.01u R2574.7K R25947K C246 0.01u R26010K C249 0.01u C247 0.01u NC 1 Vcc 2 NC 3 Vin 4 Ripple 5 NF 6 Phase 7 GND 8 GND 9 OUT 10 Q223TA7368F R2501K C252 0.001u R251 100 + C253 10u10V(T) C254 100p + C256 100u6V(T) R25210 C255 0.22u 2 3 1 Q2062SJ144 R307 - - - 3 2 5 6 4 1 Q219 EMX2 3 2 5 6 4 1 Q226EMX2 12 3 Q2242SB798 3 2 1 Q235 DTC144EE 1 3 2 Q227 2SA1577 1 3 2 Q228 2SA1577 23 1 Q220 2SA1362GR 12 3 Q607 1SS372 3 2 1 Q605 DTC144EE 3 1 2 Q616 SSM3K03FE 21 3 Q620DA204U 21 3 Q619 DA204U 1 32 Q618 2SC4116GR 3 2 1 Q215 DTC144EE 3 2 1 Q229DTC144EE 3 2 1 Q202 DTC144EE 3 2 1 Q205DTC144EE 3 2 1 Q617 DTC144EE 21 3 Q203KDS120 21 3 Q204KDS120 5 1 2 3 4 6 Q604 UMH6N 5 1 2 3 4 6 Q246 - - - TP3 R30810K C202 CAP R278 3.3K 23 1 Q208:1NJM324V 65 7 Q208:2 NJM324V 9 10 8 Q208:3 NJM324V 1312 14 411 Q208:4 NJM324V

1 2 3 4 5 6 78 ABCD 8 7 6 5 4 3 2 1 D CBA 3 Kyosey Co., Ltd.Rm902 KOWA BLDG,1-1-17 OHASHI, MEGURO-KU,TOKYO 153-0044,JAPAN 3 E12-000111Z TitleSize: Number: Date: File: Revision: Sheet of Time: A2 KY104 CPU PART Drw: Chk: Apr: MAY 8, 2004 K.Nakamura PC4084CPU P67 1 P66 2 P65 3 P64 4 P63 5 P62 6 P61 7 P60 8 P57 9 P56 10 P55 11 P54 12 P53 13 P52 14 P51 15 P50 16 P47 17 P46 18 P45 19 P44 20 P43 21 P42 22 P41 23 P40 24 RST 25 P71 26 P70 27 XIN 28 XOUT 29 Vss 30 P27 31 P26 32 P25 33 P24 34 P23 35 P22 FUNC 36 P21 DOWN 37 P20 UP 38 P17 39 P16 40 P15 41 P14 42 P13 43 P12 44 P11/SEG25 45 P10/SEG24 46 P07/SEG23 47 P06/SEG22 48 P05/SEG21 49 P04/SEG20 50 P03/SEG19 51 P02/SEG18 52 P01/SEG17 53 P00/SEG16 54 P37/SEG15 55 P36/SEG14 56 SEG10 60 SEG4 66 SEG3 67 SEG2 68 SEG11 59 6162 SEG7 63 SEG6 64 SEG5 65 SEG1 69 AVss 73 COM3 74 COM2 75 COM1 76 COM0 77 VL3 78 VL2 79 VL1 80 SEG0 70 Vdd 71 Vref 72 P35/SEG13 57 P34/SEG12 58 Q101 M38223M4M-HP + 1 2 E101 NR04503N-01 C139- - - C110 - - - C136 0.001u C111220p C1510.1u R142 680K R132470 Q113UDZ5.1B C108 0.001u R107 - - - R106 - - - R105 - - - R104 - - - Q108 - - - R143 - - - C113 --- C137 0.001u C138 0.001u C1170.1u R1161K C116 0.01u X101 4.19MHz R117330K C115 10p C114 39p C120 0.001u S103- - -S102- - -S101- - - C121 0.001u C122 0.001u C123 0.001u R1312.2K R135 10 + C160 2.2u10V(T) C155 0.1u R133 2.2K R140 4.7K + C150 4.7u6V(T) R130 220 C101 0.001u L101 10uH(FSLM) + C106 10u6V(T) C107 0.001u C1120.001u C1020.001u C105 0.001u R101 100K 1% R102 33K 1% C1620.01u C163--- C124--- C125--- C126--- C127--- C128--- C129--- C130--- C131--- C132--- C134 --- C135 --- C164 --- S104 SQKYAB S105 SQKYAB S106 SQKYAB C119 0.001u C118 0.001u C165 0.001u R119 330 R118 330 R109 7.5K R110 15K R111 30K R112 62K R113 120K 1 2 N101 - - - C173 0.001u C1740.001u C1750.001u C1760.001u R152 - - - R151 0 COM0 1 COM1 2 COM2 3 COM3 4 SEG0 5 SEG1 6 SEG2 7 SEG3 8 SEG4 9 SEG5 10 SEG6 11 SEG7 12 SEG8 13 SEG9 14 SEG10 15 SEG11 16 SEG12 17 SEG13 18 Low CTCSS + - P SAVE VOX Lock S LCD101 - - - A0 1 A1 2 A2 3 VEE 4 SDA 5 SCL 6 TEST 7 Vcc 8 Q102 CAT24WC04J 2 3 41 KEY A PTT KEY BGND PC-070 SW PCB CH UP CH DOWN FUNC (H/L) MUTEPLL-PS MOD C1MOD C2 MIC SPKR TDCDAC 12.5/25KHz BATT DCS/CTCSS2 +5V PA DET1 AUDIO B SW SQL MUTE BEEP RX/TX UNLOCK PLL DATA PLL LEPLL CLK SQL VOX IN POWER SAVE R169 10K R168 10K R167 10K R166 10K R165 10K R164 10K R163 10K R1605.1K R1595.1K R1585.1K R157 5.1K R1565.1K R162 10K C109 56p R11547K R170 10K R1555.1K R161 5.1K R171 220 COM0COM1COM2COM3SEG0SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9 SEG10 SEG11 SEG12 SEG13 COM0 COM1 COM2 COM3 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 Q107 --- 56 GNDGND A4A3A2A1 C1 C2 C3 C4 B1 B2 B3 B4 S108TP70QF4161 151312142110 J101 HSJ1468-01-030 R173 33K R172 33K R134 100K R15447K RV10147K.B 2 3 1 Q1112SA1586GR 3 2 1 Q104DTC144EE 5 1 2 3 4 6 Q116UMH6N 3 2 1 Q106- - - 43 21 GREEN RED Q105 SML-020MLT Vdd 2 3 OUT 1 4 5 Q103 RN5VL35CA 1 2 3 CN103 53047-0310 12 N102OB-22L44 CM101 470p 1 2 3 RED BLACK BLOWN CN104 WC-017 W1013-50-3(BLOWN)

1 2 3 4 5 6 78 ABCD 8 7 6 5 4 3 2 1 D CBA 1 Kyosey Co., Ltd.Rm902 KOWA BLDG,1-1-17 OHASHI, MEGURO-KU,TOKYO 153-0044,JAPAN 3 E12-00108Z TitleSize: Number: Date: File: Revision: Sheet of Time: A2KY104L RF PART (29.7~38.0MHz) Drw: Chk: Apr: C412 82p L404 290nH(LQH) C415 82p C416 120p L406 215nH(LQH) C417 56p C419 82p L407 215nH(LQH) C421 0.01u R404 1.8K R405 4.7K R40310K C423 100p L410 215nH(LQH) C428 220p C429270p C430 82p C431 0.01u C432 0.001u C433 82p L432 150nH(MLF1608) C434 - - - C435 47p C436 22p L434 390nH(LLQ2012) C437 120p R413 56 L435 2.2uH(FSLM) C438 27p F401A 21712BD F401B 21712BD C440 10p R415- - - L440 - - - C546 - - - R510 820 R416 470K R417 1K C441 0.001u R437470 L416 1uH(MLF1608) C466 0.001u R438 10K R443 220 R444 18K L421 470nH(MLF1608) C474 0.001u R445 4.7K C475 47p R565 - - - Q505 1SS356 R566 1K R497 680 R44118K L420 1uH(MLF1608) C471 0.001u R442 4.7K C472 22p C468 0.001u C5220.001u C523 0.01u R493 2.2K R494 22K R495 15K C528 0.001u C529 0.001u TP2 + C493 0.1u35V(T) + C494 0.1u35V(T) + C495 22u10V(T) R4612.2K R462 4.7K R463- - - R464 330 C535 - - - R468 - - - R466 - - - R469 - - - R467- - - + C496 - - - R465 - - - C497 47p C498 47p C499 47p C506470p + C507 10u6V(T) R475 22 C505 15p C530 100p R480 47 R422 0.1 (1/2W) R423 220K1% R426 220K1% C459 0.001u R424 220K1% C4600.001u R425 220K1% R427 220K1% R428 220K1% R429 10K R430 1M C4630.001u R434100K R43227K R435 100K R433 0 C462 0.001u C461 0.001u R4312.2K + C4646.8u6V(T) C521 0.01u C414 150p C422 47p R4062.2 C427 220p L409 215nH(LQH) L408 215nH(LQH) C424 100p C425 330p R407330 C426 0.01u R439 10 C469 39p C4780.001u B+SW +5VTX DCS/CTCSS1 +5VSW DAC TX MOD IF PLL DATA PLL CLK PLL LE UNLOCK PA +5V J701 C740 56p C743 120p C741 33p C742 47p C7440.01u C745 150p L714 215nH(LQH) Q709 HVU131 C739 39p Q710 HVU131 L717 4.7uH(FSLM) R719 220 C749 0.022u C746 120p C747 - - - C748 100p C750 - - - L718 0.3-2.0-9T(E2) C751 270p L719 0.3-1.7-6T(E2) C752 270p L720 0.3-1.7-8T(E2) R720 100 L721 180nH(LLQ2012) C756 100p C757 0.001u R721 120 C758 0.001u L722 33nH(LLQ2012) R722 56 R723 22K C7590.022u R724 12K L723 33nH(LLQ2012) L724 100nH(LLQ2012) C760 68p C763 100p C755 220p C754 0.0033u + C753 1u16V(T) L725 215nH(LQH) C762 330p C761 0.022u R725470 C764 0.001u R726 100 R728 33K R72712K C766 0.022u C765 - - - L726 0.3-1.0-7T(E2) C767 22p C768100p C520 0.01u R913 100K TP1 C921 0.01u L906 10uH(FSLM) R922 10K L901 1uH(MLF1608) R911 18K R910 220 C908 47p C913 0.1u C912 4p R943 12K R942 100K R946 33K C931 0.1u C930 6p C934120p C932 180p C933 220p C935 6p Q917 1SV239 L916 215nH(LQH) R947 - - - R94847K L907 BLM21A121S?? R950 4.7K + C943 2.2u10V(T) L918 10uH(FSLM) R9491K C938 0.001u R912 220 C910 0.001u C940 0.001u R956 100 C909 0.001u R446 330 R447 2.2 R448 330 MAY 8, 2004 K.Nakamura PCB_L4 TP7 C4440.01u L441 - - - PC4084RF R500 - - - R501 - - - RX/TX C942 0.01u C941 0.01u Q4381SS356 Q915 1SS356 R957 560 C7360.01u C936 10p R945 1K R953220K C939 0.001u R952 100K R951100K 2SJ243 D GS 2SK880 D G S C508 47p C511 4p X401 21.25MHz C513 0.01u R481 220K Q424 HVC362 C512 0.001u C514 0.01u R486100K R487 22K R489 82K R49156K R483 100K R484 22K R485 10K(TH) R482 180K R440 4.7K C735 - - - L713 - - - L715 0.4-3.0-10T L716 0.4-3.0-10T C738 - - - C7370.01u R50322K R50422K R50522K R50222K 21.25MHz R50656KR50756KR50856KR50956K R512 100 C503 - - - C509 47p CV401 47p.T R479 1K C504 1u R476470 C510 22p PLL-PS C502470p R511 10K R473 10K Q422 HZK2ALL R474 10 C500 47p +5VRX 3 2 1 Q421DTC144EE 3 2 1 Q420DTA144EE 12345678 9 10 11 12 13 14 15 16 Q429MB15E03SL 23 1 Q425- - - 1 32 Q426 - - - 1 32 Q406 2SC4215Y 1 2 3 Q451- - - 1 2 3 4 Q405 HSMS-2817 2 13 Q404 BFQ67W 1 2 3 Q403 1SS362 3 1 2 Q711 2SK3476 3 1 2 Q712 2SK3475 2 31 Q412 2SC3356(R24) 2 13 Q414 BFQ67W 2 13 Q908 BFQ67W 2 13 Q916 BFQ67W 3 2 1 Q9092SJ243 36 421 5 Q910EMD3 1 3 2 Q914 2SC4116GR 2 13 Q413 BFQ67W 36 421 5 Q437EMD3 3 2 1 Q435 DTA123YE 1234 5678 Q408 NJM2904V 3 2 1 Q409DTC114EE 2 3 1 Q9202SK880 2 13 Q911BFQ67W 3 2 5 6 4 1 Q436EMX2 C470 470p R4501K R449- - - C473- - - C465 470p R4362.2K C442 0.01u R414 10 C443 - - - 1 2 3 Q452 - - - R914 220 C914 0.01u R915 15 L902 10uH(FSLM) C916 22p C918 56p C9150.01u R91722K R916 33K C917 0.01u C919 220p L903 1uH(FSLM) L904 100nH(LQW) C920 120p L905 1uH(FSLM) L405 290nH(LQH) C937180p L917 10uH(FSLM) R909 2.2K C907 100p C922 - - - 3 12 Q912KV1520 3 12 Q918KV1520 3 2 1 Q410 DTA144EE 3 2 1 Q411DTC144EE 2 31 46 L411617PT-1026 2 31 46 L412 617PT-1026 L401 180nH(MLF1608) Q4281SS356 1 32 Q423 2SC4215Y C501 22p R488 47 C515 0.1u

1234 A B C D 4321 D C B A P1 DIA3.5 MONO PLUG P2 DIA2.5 STEREO PLUG J2 DIA2.5 STEREO JACK J1 DIA3.5 MONO JACK J3 DIA2.5 STEREO JACK SPEAKER JACK PROGRAM JACK MIC JACK C10.001 C20.001 C30.001 TO: TRANSCEIVER(J101)PROGRAM IN(TO: PC Program cable---PC) SPEAKER OUT(TO: Audio Analyzer) MIC IN(TO: Audio Generator) 0 Kyosey Co., Ltd. 0 Title Size:Number: Date:File: Revision: SheetofTime: A4 Kyosey Model Program Jig Drw:Chk:Apr: FEB 6, 2002 K.Nakamura ALUMINIUME BOX + C4 10u + C5 10u R310K SW1 PTT SW

1. KY104FUNCTION Channel Selector PTT Key Monitor Key Function Key Power VOL knob Rotate this knob to turn the transceiver on and off and to set the volume. Channel Selecto r Rotate this knob to select work channel PTT ke y When pressed, it switches the transceiver from reception to transmission. Monitor ke y Enables the loudspeaker for audio monitoring of the tuned channel. Function ke y Short press : press and hold this key within 0.5s Long press : press and hold this key within 1.5s PressBeep toneFunction Short PressB -Set TX RF output power to low power B -B -Set TX RF output power to high power Long PressB -Set RX SQL to normal B -B -Set RX SQL to tight 2. KY104Technical Data KY104 Frequency List ChannelRX Frequency (MHz) TX Frequency (MHz) Channel Spacing (kHz) 1 29.750 29.750 25 2 34.050 34.050 25 3 37.975 37.975 25 4 29.750 29.750 12.5 5 34.050 34.050 12.5 6 37.975 37.975 12.5 Test Method: TIA/EIA-603 Frequency Range: 29.7MHz - 38MHz Operation Mode: Simplex Power Supply: 7.5V DC (Battery) TX Power Output High 5.0 W Low 1.0 W 1st IF +21.7 MHz 2nd IF -450kHz RF Channels: 16 Power VOL knob

No.01 Ky104 RX Narrow at 37.975MHz unit 7.5V − ∆ + ∆ 7.5V − ∆ + ∆ 7.5V − ∆ + ∆ 1 REFERENCE SENSITIVITY dBm <-116 <-113 -118.8 -118.8 -118.8 -118.6 -118.6 -118.6 -118.1 -118.1 -118.1 2 ADJACENT CHANNEL REJECTION dB >60 >50 70.9/-68.4 70.9/-68.4 70.9/-68.4 70.0/-69.6 70.0/-69.6 70.0/-69.6 66.5/-65.0 66.5/-65.0 66.5/-65.0 3 SIGNAL DISPLACEMENT BANDWIDTH kHz >2 >1 3.80/-4.51 3.80/-4.51 3.80/-4.51 4.20/-4.10 4.20/-4.10 4.20/-4.10 3.73/-4.22 3.73/-4.22 3.73/-4.22 4 SPURIOUS RESPONSE REJECTION dB >70 >60 1ST IMAGE dB >70 >60 1ST 1/2 IMAGE dB >70 >60 2nd IMAGE dB >70 >60 2nd 1/2 IMAGE dB >70 >60 5 INTERMODULATION REJECTION dB >65 >50 67.5/-70.2 67.5/-70.2 67.5/-70.2 6 AUDIO FREQUENCY RESPONSE Fig 7 FM HUM AND NOISE RATIO dB >40 >34 53.6 53.6 53.6 52.7 52.7 52.7 53.5 53.5 53.5 8 Rated Audio Power(10%) @ 7.5V mW >400 442 260 530 9 AUDIO Distortion % <5 <10 1.3 1.3 1.3 1.4 1.4 1.4 1.3 1.3 1.3 10 AUDIO SENSITIVITY % <40 <60 30 35 30 41 49 40 31 37 30 11 RECEIVER ATTACK TIME mSec <150 <150 12 RECEIVER CLOSING TIME mSec <250 <250 13 Squelch Sensitivity(Threshold) SINAD dB <12 <16 10.0 10.0 10.0. 11.0 11.0 11.0 8.0 8.0 8.0 14 Squelch Sensitivity(Tight) SINAD dB >15 >15 18.0 18.0 18.0 18.0 18.0 18.0 17.0 17.0 17.0 15 Squelch Blocking kHz >3 >3 >3 >3 >3 >3 >3 >3 >3 >3 >3 16 RADIATED SPUROUS EMISSIONS17 CONDUCTED SPURIOUS EMISSIONS dBm <-57 <-57 18 Current Durren @400mW mA 165 181 167 19 ST-BY Current Durren mA 40.2 40.2 40.2 . + ∆ 10% 20% − ∆ -10% -20% 8.25V 9.0V 6.75V 6.0V 25 degC -30 deg C +60 deg C ITEM SPEC Enviro. SPEC

No.01 KY104 Transmitter Frequency Stability Test Method : EIA/TIA 603Channel separation of the EUT 25kHzPower Level at witch the measurement has been performed : 5W (high power output) Frequency Error (ppm) Temperature ( CH3 37.975MHz Limit Vcc=7.5V Vcc=6.3V Vcc=8.6V -30 +/-20 4.99 4.99 3.81 -20 +/-20 2.05 1.76 2.05 -10 +/-20 1.47 1.47 1.47 0 +/-20 2.64 2.64 2.93 10 +/-20 2.35 2.35 2.64 20 +/-20 1.17 1.17 1.17 25 +/-20 0.79 0.29 0.29 35 +/-20 -1.70 -1.70 -2.05 45 +/-20 -3.23 -3.23 -3.23 55 +/-20 -3.52 -3.52 -3.23 60 +/-20 -2.05 -2.34 -2.05

No.01 Ky104 RX Wide at 37.975MHz unit 7.5V − ∆ + ∆ 7.5V − ∆ + ∆ 7.5V − ∆ + ∆ 1 REFERENCE SENSITIVITY dBm <-116 <-113 -119.5 -119.5 -119.5 -119.1 -119.1 -119.1 -118.4 -118.4 -118.4 2 ADJACENT CHANNEL REJECTION dB >…

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