ACJ9TAWX-CH2050Part 90, Subpart C, Section 90.217

Before attempting to connect or install this product, please read these instructions carefully and save this manual for future use. All-in-One Headset Model No.WX-CH2050 INTRODUCTION The WX-CH2050 is an all-in-one headset designed for use in wireless communication systems, which are use in Drive- thru menu boards, etc. It incorporates such necessary devices as the battery compartment and control buttons besides the microphone and earphone. The built-in anten- nas, transmitter, and receiver enable you to communicate with other store personnel and the customer by audio. FEATURES • Compatible center modules: WX-C1010, WX-C1011, and WX-CC2010 • Less noise and interference thanks to the use of UHF band • Easy frequency setting by use of phase locked loop (PLL) • A/B channel selection available for convenience of dou- ble drive-through (DDT) • Talk mode selectable between talk-lock and press-to- talk • Page mode selectable between page-lock and press- to-talk • Easy-to-replace cushions: head pad cushion, earphone cushion, and windproof cushion The serial number of this product may be found in the bat- tery compartment of the unit. You should note the serial number of this unit in the space provided and retain this book as a permanent record of your purchase to aid identification in the event of theft. Model No.WX-CH2050 Serial No. CAUTION It is a violation of Federal Law to begin operating this sys- tem prior to obtaining an FCC Radio License. The FCC ID number for this radio equipment is listed below. FCC ID: ACJ9TAWX-CH2050 CONTENTS INTRODUCTION ..................................................................1 FEATURES ...........................................................................1 PRECAUTIONS ....................................................................2 NAMES & FUNCTIONS ........................................................2 OPERATING PROCEDURES................................................4 Preparations .................................................................4 Communications with Customers [TALK] ....................5 Communications with Other Store Personnel [PAGE] .....................5 BATTERY LOADING & REPLACEMENT ..............................6 MAINTENANCE....................................................................6 TROUBLESHOOTING ..........................................................7 SPECIFICATIONS ................................................................7 STANDARD ACCESSORIES ................................................7 OPTIONAL ACCESSORIES..................................................7 SETUP PROCEDURES .........................................................8 Opening the Switch Pocket ..........................................8 Channel Group Selection .............................................8 DIP Switch Setup..........................................................9 Channel Interference Check ........................................9 Operation Mode Setup ...............................................10 ATTENTION: A lithium-ion battery that is recyclable powers the product you have purchased. Please call 1- 800-8-BATTERY for information on how to recy- cle this battery. 2 1 2 3 4 5 6 7 8 SERVICE USE ONLY GROUP FUNCTION OF F O N E JEC T A/B VOL. !1 !2 !3 !4 !5 q r e w u i o !0 y t PRECAUTIONS •All setup procedures of this product should be per- formed by qualified service personnel or system installers. •Use only Panasonic authorized batteries like the rechargeable Li-ion 3.7V normal type or long life type. •Follow the battery care and handling instructions. •Read the instructions included with the battery charger. •Charge the battery when the power indicator lights up in red and a beep is heard in the headset. Fully charge the battery. Failure to do so may shorten the operating time. NAMES & FUNCTIONS 3 qHead Band and Head Pad Adjustable to your head by sliding the head pad wBattery Lock [EJECT] When removing the battery, slide the lock to the out- side. When loading a new battery, insert the battery until the lock clicks. eBattery (Optional accessory) See PRECAUTIONS. rHead Pad Cushion tStrap (Standard accessory) ySwitch Pocket Do not open the lid. Only qualified service personnel or system installers are allowed to change switch settings. uEarphone Pad iMicrophone Boom Adjustable to your mouth position by rotating and bend- ing the boom oMicrophone and Windproof Cushion (Standard accessory) !0Channel Indicator Steadily lights up to indicate the operating channel in different colors. Red:Is lit when channel A is selected. Green:Is lit when channel B is selected. Blinks to indicate the Talk or Page mode. Constant Blink:Talk mode Random Blink:Page mode !1Power Button and Indicator [POWER] Pressing the button for one second will turn on or off the headset. The indicator shows the status as follows. Green On:Power is supplied, and the headset operates. Red On:The battery requires recharging. Red Blink:The channel selector is set to a wrong position. !2Volume Control Buttons [VOL ] Pressing the respective buttons will increase or decrease the sound level. !3Talk Button [T] This button controls communications with the customer. When the button is released, you can hear the cus- tomer who is at the menu-board. While the button is held down in the press-to-talk mode, you can speak to the customer. When the button is pressed in the talk-lock mode, you can speak to the customer until you press the button the second time. !4Page Button [P] This button controls communications with store person- nel. When the button is released, you can hear the commu- nications among store personnel. While the button is held down in the press-to-talk mode, you can speak to store personnel. When the button is pressed in the page-lock mode, you can speak to the store personnel until you press the button the second time. !5A/B Channel Selection Button [A/B] This button switches frequencies from channel A to B and vice versa. The …

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WX-CH2050PA12A4939A3 ALL in One Headset Distribution Diagram RF Amplifire Q102:3SK319 Rx:BPF LC Filter Rx:Mixer Q103:3SK319 1st IF BPF CF103:21E7AB 1st IF Amplifire Q105:2SC39310 Demodulation IC IC102:TA31136FN Rx:VCO IC101: ENFVF142SN4 PLL IC201: TB31202FN Tx:LPF LC Filter Final Amplifier Q3:2SC3357 Buffer Amplifier Q5:2SC4226 Buffer Amplifier Q6:3SK319 Tx:VCO IC2: ENFVF142SN3 Tx:AF Mute Q8:2SC4555 2nd BPF Discreminato r Rx:LPF 3.0kHz IC302:NJM2902V Rx:HPF 300Hz AF Mute IC302:NJM2902V LPF 200Hz IC302NJM2902V ToneDetection IC402:LC73881 M Dividingrequenc y 1/10 IC405:74HC390 ToneOscillation IC403:LC73663 M ToneAttenuator Q301:EMG6T2R Tx:AF Mixer IC302:NJM2902V Q302:2SC4555 Rx:AF Mixer Resistance Mixer Rx:AF Switch IC311:TC7S66F U Q 309:DTC114EE OSC 21.85MHz X201:21.85MHZ D201:KV1832K Microcomputer IC406:μPD78F0034AGK Baseband LSI IC309 AK2361E Tx:LPF 3.0kHz IC301:NJM2902V Head Amplifier IC301:NJM2901V Q308:2SC4617 Tx:HPF 300Hz NJM2902V Dividing Frequency IC405:74HC390 OSC3.58MHz X301:3.58MHZ IC512:TC7WU04F Reset IC407: S-80820CNNB EEPROM IC404: BR93LL46FV ElectronicVolum e IC202: CX9409WV24I Final Power Supply Control Q1:2SA1576 Tx:Power Supply Control Q7:UMD3NTR Rx:MuteControl Q305:2SC4555 Q306:DTC114EE D304:1SS400 Shift Register IC408 ～ 411 SN74LV165APWR RotarySwitch Group DIP-Switch Function Channel OSC 4.19MHz X401:4.19MHZ 1.9V 2.5V *1 Adjustment*2 Adjustment*3 Adjustment*4 Adjustment *3 Frequency *4 Squelch Function Adjustment ● ● ● ● ● Frequency=21.85MHz Earphone Amplifier IC310:NJM2113R Switching Power IC502:S-8540B Q501:CPH6311 D508:RB551V 2.5V REG IC504 TK11125CSCL ● Earphone Output Reception Antenna Microphone Input Push Switch Volume Control Power Supply Control Q502.505:EMD12T2RQ506:DTA144EE D515:RB425DIC511:TC7W74FK Battery DC 3.6V Transmission Antenna Rx:BPF CF101:440SK01 *1 Power Adjustment *2 Power Adjustment Beep Sound ●● ● Volume Control ●

CN403 CN401 CN2 CN202 CN707 CN704CN703 CN702 CN402 Battery CN302 TX ANTRX ANT RF PCB Reciever WX-CH2050 Connection Diagram Microphone AF PCB

MATSUSHITA ELECTRIC INDUSTRIAL CO. . LTD . KADOMA OSAKA JAPAN . Ref. : AVS-03-F001 Model WX-CH2050 ( 1 of 3) Explanation on the circuit of WX-CH2050 (1) Type or Type of emission: Type of emission is F3. (2) Frequency range: TX: 463.6125MHz to 464.3875MHz, provided 32 channels at 800KHz cha nnel separation Rx: 468.6125MHz to 469.3875MHz provided 32 channels at 800 KHz cha nnel separation (3) Range of operating power values: The procedures of adjusting operating power are as follows, To adjust to be maximum with loaded 50 ohms at CN1,and from 5 to 2 5mW with adjusting by the volume EVR(ic202:controlled software data) (4) Maximum power rating as defined in the applicable part of the rul e is less than 120mW. (5) The dc voltages applied to and dc currents into the several eleme nts of the final Frequency amplifying device for normal operation over the power ra nge are : DC Voltage DC Current Final Stage Q3 B 0.6 V 0.4 mA C 0 V 25 mA E 2.9 V 25 mA Drive Stage Q5 B 0.7 V 0.2 mA C 0.1 V 5.8 mA E 2.9 V 5.8 mA MATSUSHITA ELECTRIC INDUSTRIAL CO. . LTD . KADOMA OSAKA JAPAN . Ref. : AVS-03-F001 Model WX-CH2050 (2 o f 3) Explanation on the circuit of WX-CH2050 (6) Function of other semiconductors are: Q6: Buffer Amplifier IC2: VCO(TX) Q1: Final Power Supply Control Q7: Power Supply Control(TX) IC501: Voltage Regulator(2.5V TX ) IC504: Voltage Regulator(2.5V ) IC502,Q501,D508: Voltage Regulator(1.9V ) Q502,Q505,Q506,D515,IC511: Power Supply Control IC406: Microcomputer Q8: AF Mute(TX) IC302,Q302: AF Mixer (TX) IC512: OSC IC405: Dividing Frequency IC403: Tone Osc Q301: Tone Attenuator IC309: Baseband LSI Q308,IC301: Head Amplifier (AF TX) IC408,IC409,IC410,IC411: Shift Register IC201,D201: PLL(TX and RX) IC202: Electronic Volume(TX and RX) IC405: Dividing Frequency IC402: Tone Detection IC302: LPF IC404: EEPROM IC407: Reset IC Q102: RF Amplifier(RX) Q103: Mixer (RX) Q105: 1st IF Amplifier(RX) IC102: Demodulation IC (RX) IC302: LPF and HPF (RX) Q305,Q306,D304: Mute Control(RX) IC311,Q309: AF Switch (RX) IC310: Earphone Amplifier IC101: VCO (RX) MATSUSHITA ELECTRIC INDUSTRIAL CO. . LTD . KADOMA OSAKA JAPAN . Ref. : AVS-03-F001 Model WX-CH2050 (3 of 3) Explanation on the circuit of WX-CH2050 (7) Tune up procedure over the power range The procedures of adjusting operating power are as follows, To adjust to be maximum with loaded 50 ohms at CN1,and from 5 to 2 5mW with adjusting by the volume EVR(ic202:controlled software dat a) (8) The circuitry and device provided for determining and stabilizing frequency are : X201,IC201,C204,C206,C214,C225,D201 for PLL(VCO) circuit (9) The circuitry provided for suppression of spurious radiation, li miting modulation and limiting power are a follows.  Device employed for suppression of spurious radiation: C15,C17,C18,C19,C21,L4,L5,L903 for passive filter  Device employed for suppression of limiting modulation : IC309 for limiting circuit 3 Device employed for limiting power are not necessary for this e quipment as even under the condition of adjusting operating : Power to be maximum, it takes values within the range defined a s the rules. (10) This equipment does not employ digital modulation technique s.

AVS-03-F001A FCC ID: ACJ9TAWX-CH2050 CM: Center Module, Models WX-C1010 & WX-C1011 FCC ID's: ACK9TAWX-C1010 & ACK9TAWX-C1020 OT: All In One Headset, Model WX-CH2050 FCC ID: ACJ9TAWX-CH2050 1 464.0125MHz 469.0125MHz 2 464.0375MHz 469.0375MHz 3 464.0625MHz 469.0625MHz 4 464.0875MHz 469.0875MHz 5 464.1125MHz 469.1125MHz 6 464.1375MHz 469.1375MHz 7 464.1625MHz 469.1625MHz 8 464.1875MHz 469.1875MHz - 464.2125MHz 469.2125MHz - 464.2375MHz 469.2375MHz - 464.2625MHz 469.2625MHz - 464.2875MHz 469.2875MHz - 464.3125MHz 469.3125MHz - 464.3375MHz 469.3375MHz - 464.3625MHz 469.3625MHz - 464.3875MHz 469.3875MHz Used only "1"channel. No. CM:Transmit Freq. AIO:Recieve Freq. CM:Recieve Freq. AIO:Transmit Freq.

H GEFDCBA 1 23 4 56 7 89 1011 12 A BCDEFGH Sym. Date Revision Sign Checked Matsushita Electric Industrial Co.,Ltd. Sym. Item or Parts Mo. Name Qty Material & Size Treatment Remark Material & Size Scale Design Process Drawn Checked Approved Remark Type DWG Name No. Ref.No. Material & Size Treatment Name Item or Parts Mo. Sym. Qty Remark DWGorPART SHT NAME U:/workspace/sd/ FRD NAME 3 21 CH1 VR_DOWN VR_UP MA CH1CH2CH4CH8 GR1GR2 GR4GR8 DIP1-1DIP1-2DIP1-3DIP1-4DIP1-5DIP1-8DIP1-7 MODE1MODE0 DIP2-1DIP2-2 DIP2-4DIP2-3 SW_QH DTMF_SD SER_RO SER_DI SER_DE EEPROM_DO EEPROM_DI EEPROM_SKEEPROM_CS SW_SH/LD SW_CLK SW_QH DTMF_SD POWER_OFFPLL_DATAPLL_CKPLL_STB RSSI N_SQ TX_RX_SELECT EVR_VCC EVR_SCL EVR_SDA LED_B LED_A BEEP RX_CRX_H DATA_CDATA_H EVR_VCC PLL_STB PLL_CK PLL_DATA TX_RX_SELECT EVR_SCL EVR_SDA RX_AF MIC_OUT SQ_OUT N_SQ DIP1-6 RX_AF TX_CCON CH8GR8GR4GR2GR1 POWER TX_HCON B TX_FINAL TX_RFLO N_SQ VR_UP VR_DOWN TX_CCON ATT_1 DTMF_G_LATCH TX_AF TX_HCON SQ_OUT PLL_CK PLL_UNLOCK PLL_UNLOCK EEPROM_SK ATT_2DTMF_G_LATCH EEPROM_DIDTMF_G_CD DTMF_G_CDAF_AMP_MUTE TX_AF_MUTE TX_FINALTX_RFLO AF_AMP_POW TX_AF_MUTE TX_H SQ_OFF BEEP MIC_OUT MIC_IN LED_A LED_B M B A EEPROM_DOEEPROM_DIEEPROM_SKEEPROM_CS SER_ROSER_DI VR_UP VR_DOWN POWER_OFF ATT_1ATT_2 SER_DE SW_INH SQ_OFF LED_PG LED_PR BB_TDATA BB_DI BB_SCLK BB_DIR BB_SCLK BB_RDF/FD BB_DIR BB_DI BB_TDATA BEEP TX_POWER EXT_OUT SW_SH/LDSW_CLK DIP2-1DIP1-8DIP1-7DIP1-6DIP1-5DIP2-4DIP2-3 DIP2-2 VR_DOWN M B A SW_INH TX_C LED_PG AF_AMP_MUTE MODE0 MODE1 SQ_OUT TX_AF TX_POWER VR_UP RSSI EPC EPH DC V25 RX_HRX_C MIC_OUT TX_H BB_TCLK DTMF_STD DTMF_EST DTMF_STD BB_TCLK BB_RDF/FD BB_DOBB_DO TX_H VCC_IN DC TX_C RX_C RX_H POWER TX_C LED_PR AF_AMP_POW DTMF_EST DTMF_EST DATA_H DATA_C EXT_OUT MIC_IN VCC_IN DIP1-1DIP1-2DIP1-3DIP1-4CH2CH4 EPCEPCEPH TD27 V25 C514 0.01uF V25 *R417 100k C408 0.1uF TD18 VCC IC301 NJM2902V(TE1) 56 7 *C375 OPEN C304 0.1uF *R390 20k *C516 OPEN *R514 100k *R319 27k C369 OPEN V25 *R391 OPEN *D512 OPEN C403 0.1uF Q306DTC114EETL TD29 R337 47k R318 15k TD7 C344 10uF R411 100k R385 100 R381 OPEN C306 22uF 4V C414 0.1uF *Q505 EMD12T2R 123 465 V25 IC402 LC73881M-TLM 1 INPUT 2 PD 3 OSCO 4 OSCI 5 VSS 8 STD 9 EST 10 VDD 6 SD 7 ACK R323 OPEN C327 0.047uF V25 *IC501 TK11130CSCL 1 on/off 2 GND 3 Np[Vref] 4 Vout 5 Vin R312 68k R389 100k *Q304 OPEN *D515 RB425DT146 13 2 R449 47k D411 UMZ6.8ENTR 6 4 3 2 1 V25 *R321 0 V25 D306 1SS400TE61 *C526 OPEN *D517 OPEN AK N *R370 OPEN *TD37 R518 OPEN V33 *Q502 EMD12T2R 12 3 4 65 VCC R343 0 CSTCR4M19G53-R0 X401 1 2 3 *C527 22uF6.3(6)V TD30 V25 R377 100k C409 0.1uF *C338 330pF C314 0.022uF C301 22uF 6.3(6)V *IC401 OPEN 1 RO 2 RE 3 DE 4 DI 5 GND 6 A 7 B 8 Vcc R310 220k V25 TD6 C312 2700pF TD36 R406 100k TD1 D410 UMZ6.8ENTR 6 4 3 2 1 R520 OPEN D403 1SS400TE61 V25 R407 33k R316 3.6k *IC511 TC7W74FK(TE85L)1 CK 2 D 3 Q 4 GND 5 Q 6 CLR 7 PR 8 VCC IC409 SN74LV165APWR 1 SH/LD 2 CLK 3 E 4 F 5 G 6 H 7 QH 8 GND 9 QH 10 SER 11 A 12 B 13 C 14 D 15 CLK_INH 16 Vcc V25 R374 10k *R505 OPEN *R325 OPEN SW404 SA-7010TA 4 4 8 8 10 C_2 9 C_1 2 2 1 1 R322 2.7k R380 OPEN *C351 1000pF IC406 UPD78F0034AGK-9ET 1 P50/A8 2 P51/A9 3 P52/A10 4 P53/A11 5 P54/A12 6 P55/A13 7 P56/A14 8 P57/A15 9 VSS0 10 VDD0 11 P30 12 P31 13 P32/SDA0 14 P33/SCL0 15 P34/SI31 16 P35/SO31 17 P36/SCK31 18 P20/SI30 19 P21/SO30 20 P22/SCK30 21 P23/RXD0 22 P24/TXD0 23 P25/ASCK0 24 VDD1 25 AVSS 26 P17/ANI7 27 P16/ANI6 28 P15/ANI5 29 P14/ANI4 30 P13/ANI3 31 P12/ANI2 32 P11/ANI1 33 P10/ANI0 34 AVREF 35 AVDD 36 RESET 37 XT2 38 XT1 39 VPP 40 X2 41 X1 42 VSS1 43 P00/INTP0 44 P01/INTP1 45 P02/INTP2 46 P03/INTP3/ADTRG 47 P70/TI00/TO0 48 P71/TI01 49 P72/TI50/TO50 50 P73/TI51/TO51 51 P74/PCL 52 P75/BUZ 53 P64/RD 54 P65/WR 55 P66/WAIT 56 P67/ASTB 57 P40/AD0 58 P41/AD1 59 P42/AD2 60 P43/AD3 61 P44/AD4 62 P45/AD5 63 P46/AD6 64 P47/AD7 R347 10k V25 TD12 C326 0.047uF TD34 C360 0.1uF *SW507 OPEN 1234 IC302 NJM2902V(TE1) 1213 14 *D516 EDZTE616.8B R358 1k *IC310 NJM2113R(TE1) 1 CD 2 VREF 3 +VIN 4 -VIN 5 VOUT1 6 V+ 7 GND 8 VOUT2 TD14 *C340 560pF R426 100k R401 10k TD10 C371 33pF *L302 100nH R410 OPEN *R379 22k TD16 C359 0.01uF *R334 OPEN C328 OPEN TD26 TD21 C507 0.1uF R941 1k TD35 R360 1k C366 OPEN V25 R344 220k *R333 OPEN TD11 C412 0.1uF TD3 C512 1uF 16(15)V C348 OPEN Q301 EMG6T2R 1 2 3 4 5 *C376 0.1uF V19 *C350 1uF 16(15)V *Q308 OPEN *D305 EDZTE615.1B V25 R433 100k V25 D518 EDZTE615.1B TD4 *R392 0 C364 0.22uF *R420 100k *R366 47k *CN301OPEN 1 MIC_H2 MIC_C3 Attachment14 Attachment2 TD13 R307 100k *C349 2.2uF 10V V25 *R508 OPEN IC410 SN74LV165APWR 1 SH/LD 2 CLK 3 E 4 F 5 G 6 H 7 QH 8 GND 9 QH 10 SER 11 A 12 B 13 C 14 D 15 CLK_INH 16 Vcc *R521 OPEN R330 1M V25 C406 0.1uF L502 3.9nH C316 0.027uF R382 OPEN *R418 100k *R354 16k Q307 OPEN SD G *C504 OPEN R345 47k R338 22k R442 100k *C518 OPEN R439 100k D401 1SS400TE61 V25 *R515 10k C524 3300pF CN404 IMSA-9830S-30Y931 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 31Attachment1 32Attachment2 28 29 30 R317 68k *C347 0.1uF IC502 S-8540B00FN-IMA-T2 1 VSS 2 EXT 3 VIN 4 CVREF 5 ON/OFF 6 NC[FB] 7 VOUT 8 SENSE V25 *D511 OPEN *R327 OPEN *R351 33k C363 0.01uF IC403 LC73663M-TLM 1 VDD 2 LATCH 3 VSS 4 OSCI 5 OSCO 8 DATA 9 CD 10 TONE_OUT 6 MUTE 7 CLK D413 1SS400TE61 IC302 NJM2902V(TE1) 4 V+ 11 GND VCC *R517 47k R375 33k Q501 CPH6311-TL 1 D_1 2 D_2 3 G 4 S 6 D_4 5 D_3 *R403 OPEN R416 OPEN IC301 NJM2902V(TE1) 4 V+ 11 GND V33 *R302 20k R412 10k TD25 *D513 1SS400TE61 *CN401 52746-0890 1 EP C 2 GND 3 EXT IN 4 MIC IN 5 MIC OUT 6 GND 7 EP H 8 EXT OUT 9 Attachment1 10 Attachment2 R306 10k C319 1800pF *L301 100nH *R423 100k C315 1uF16(15)V V25 R331 1.8k R436 100k R448 100k IC504 TK11125CSCL 1 on/off 2 GND 3 Np[Vref] 4 Vout 5 Vin R342 220k C336 OPEN *R512 OPEN IC404 BR93LL46FV-E2 1 N.C.1 2 VCC 3 CS 4 SK 5 DI 6 DO 7 GND 8 N.C.2 R383 OPEN C357 0.1uF 16(15)V IC302 NJM2902V(TE1) 10 9 8 D508 RB551V-30TE-17 *C521 10uF 6.3(6)V C325 1uF16(15)V *R368 OPEN IC405 74HC390PW-T 1 1CP0 2 1MR 3 1Q0 4 1CP1 5 1Q1 6 1Q2 7 1Q3 8 GND 9 2Q3 10 2Q2 11 2Q1 12 2CP1 13 2Q0 14 2MR 15 2CP0 16 VCC…

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Sym. Date Revision Sign Checked Sym. Item or Parts Mo. Name Qty Material & Size Treatment Remark Type DWG Name DWGorPart No. Material & Size Scale Design Drawn Checked Approved Process Remark Ref.No. Item or Parts Mo. Remark Material & Size Treatment Qty Name Sym. Matsushita Electric Industrial Co.,Ltd. B B SHT NAME U:/workspace/sd/ FRD NAME 12 3 EVR_VCC TX_FINAL VR_UP VR_DOWNEVR_SDAEVR_SCLPLL_STB PLL_LDPLL_CK TX_AF_MUTE RX_AFEVR_SDAEVR_SCLTXRX_SELECTTX_RFLOPLL_LDTX_FINALPLL_CKPLL_STBPLL_UNLOCKTX_AFTX_AF_MUTEN_SQRSSIVR_UPEVR_VCCVR_DOWN N_SQ RX_AF PLL_UNLOCK TX_AF TX_POWER TX_POWER TX_RFLO TXRX_SELECT RSSI GND C154 0.1uF V25 GND CF105 CDBCB450KCAY24-R0 GND GND V19 C164 0.47uF C160 220pF C158 220pF GND C156 0.1uF GND GND C150 10uF 6.3(6)V GND GND C155 22uF 4V GND GND GND GND GND GND GND GND GND GND C145 47uF4V C127 OPEN GND GND GND GND GND GND GND GND GND GND *CN101 OPEN 1 23 *IC1 OPEN 1 7 *IC1 OPEN 3 5 *IC1 OPEN 6 2 *IC1OPEN 8 VCC 4 GND TD101 123 IC202 CX9409WV24I-2.7T2 1 SDA 2 A1 3 VL1/RL1 4 VH1/RH1 5 VW1/RW1 6 VSS 7 NC1 8 VW2/RW2 9 VH2/RH2 10 VL2/RL2 11 SCL 12 A3 13 NC2 14 A0 15 VW3/RW3 16 VH3/RH3 17 VL3/RL3 18 NC3 19 VCC 20 VL0/RL0 21 VH0/RH0 22 VW0/RW0 23 A2 24 WP GND C221 0.1uF GND C220 0.1uF C219 0.1uF GND D201 KV1832K GND GND GND GND GND GND GND V19 GND C201 47uF4V GND C56 47pF GND GND GND Q102 3SK319YB-TL 3 G_2 1 S 4 D 2 G_1 GND GND GND C53 47uF 4V GND Q7 UMD3NTR 123 465 GND C50 0.1uF GND V25 GND GND GND GND GND GND GND Q6 3SK319YB-TL 3 G_2 1 S 4 D 2 G_1 GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND Q3 2SC3357-T2 GND GND GND Q1 2SA1576AT106QRS GND GND GND GND GND GND V25 GND *C5 OPEN GND GND GND *CN1 OPEN 1 23 TD1 123 GND Q101OPEN GND GND GND C124 OPEN D103 OPEN GND Q103 3SK319YB-TL 3 G_2 1 S 4 D 2 G_1 GND C133 56pF GND GND GND GND GND GND C153 OPEN GND L202 FSLM2520-390J=P2 R206 100k C16 0.01uF C20 0.01uF C25 0.01uF C32 0.01uF C35 0.01uF C203 0.01uF C212 0.01uF C213 OPEN C134 0.01uF C143 0.01uF *C146 0.01uF C148 0.01uF C151 0.01uF C58 22pF C47 OPEN C26 10uF6.3(6)V Q1052SC39310YL GND Q5 2SC4226-T1 Q104 OPEN Q8 2SC4555-6/7-TL *R102 5.6 R2 5.6 R16 5.6 *R23 33 GND D104 OPEN GND C126 OPEN GND GND GND C51 OPEN Q4 2SC3357-T2 OPEN GND GND GND GND GND GNDGND GND V19 C136 OPEN C216 OPEN C218 OPEN C217 OPEN C12 OPEN C6 OPEN C152 1000pF C36 1000pF C29 1000pF C34 1000pF L115 100nH L201 100nH *L203 100nH *L204 100nH L16 100nH L15 47nH L113 OPEN GND V19 V25 V33 *SW201 OPEN 1234 *SW202 OPEN 1234 ANT1 WCS-INCOM_1 2 1 GND C166 0.01uF C167 OPEN GND R129 OPEN R135 47 C168 0.01uF R122 100k C149 22pF *R44 0 *R45 OPEN V33 V25 C46 22uF 6.3(6)V C41 0.01uF C60 0.01uF TD102 TD103 TD104 TD201 TD3 TD2 GND *R4 OPEN GND *D5 EDZTE615.1B *D6 EDZTE615.1B GND GND V25 R218 OPEN R118 OPEN R119 OPEN C128 OPEN GND C129 OPEN GND GND GND C173 OPEN C172 OPEN GND GND V25 GND GND *R101 820 *R103 820 R1 820 R3 820 *R9 OPEN *R7 OPEN *R6 OPEN R110 OPEN R113 OPEN R112 OPEN R111 OPEN R114 100k R115 100 R117 10 R120 OPEN R121 OPEN R123 100 R130 1.5k R131 1.5k R134 10k R142 1.5k R143 100k R140 3.3k R201 OPEN R210 27k R211 27k R209 27k R213 10k R212 10k R214 10k R219 OPEN R217 1k R43 10k R26 10 *R22 OPEN *R24 OPEN R21 10 R46 1k R18 10 R15 820 R17 820 R14 5.6k R25 2.2k *R28 47k R29 1k R31 27k L4 18nH R13 2.7k L114 820nH FSLM2520-R82J=P2 L116 2.2uH FSLM2520-2R2J=P2 C118 100pF R109 18k R108 47k R116 2.2k R144 18k R145 47k R127 OPEN R128 OPEN R124 10 R125 OPEN C141 OPEN C144 OPEN L112 12nH C137 0.01uF R203 0 R32 47k R35 180 R33 180 R34 33 R40 10k C207 1uF 16(15)V C210 1uF 16(15)V C65 OPEN L8 OPEN GND C18 8pF *C114 100pF L111 18nH C139 100pF C225 15pF R139 150k R220 0 *R11 820 R10 10k C14 OPEN C38 OPEN L7 820nH FSLM2520-R82J=P2 L119 820nH FSLM2520-R82J=P2 GND CN201IMSA-9841B-30Y932 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 *C33 220pF C44 100pF C43 100pF C42 100pF C31 100pF C45 100pF C49 100pF C63 100pF C62 100pF C61 100pF C52 100pF C64 100pF C120 100pF C117 100pF *C101 OPEN C132 100pF C135 100pF C102 100pF C142 100pF C125 100pF C122 100pF C130 100pF *C147 100pF C131 100pF C121 100pF C159 100pF C162 100pF C174 100pF C169 100pF C165 100pF C170 100pF C208 100pF C205 100pF C222 100pF R215 1.5k C161 1000pF C215 1000pF C163 10uF 6.3(6)V *R155 OPEN *R154 OPEN *R917 0 C68 100pF *C19 2pF *C21 6pF C40 6pF C48 6pF L5 15nH R803 0 R42 10k R207 10k R216 1.5k R27 220 *R12 OPEN R39 56 *R903 OPEN NX7551SA-21.85MHZ X201 1 32 4 C209 0.01uF C39 100pF C23 15pF C17 1pF C138 1pF *C15 8pF *C8 OPEN C9 100pF *C10 OPEN C3 OPEN *C4 OPEN *C7 OPEN C2 100pF *C11 OPEN *C13 OPEN C27 100pF C22 100pF C24 100pF *C59 100pF *C223 OPEN *C224 OPEN C54 2pF C28 22pF *IC101 ENFVF142SN4 1 RF_OUT 2 Vcc 3 Vcont[Vt] 4 GND_1 5 GND_2 6 GND_3 7 Attachment1 8 Attachment2 R141 47k *C67 12pF R30 6.8k C69 22uF 6.3(6)V GND *L1 OPEN 1234 65 R19 10 R37 68k C957 0.027uF C958 0.027uF R202 68k R204 5.6k R205 5.6k R138 4.7k R137 270 C206 10pF C204 18pF *C918 OPEN *C818 OPEN *C66 OPEN R20 4.7k *R902 OPEN C214 22pF *D4 OPEN *D3 OPEN *D1 OPEN *D2 OPEN *C175 100pF *CN202SM02B-SSR-H-TB 1 VR_UP2 VR_DOWN3 Attachment14 Attachment2 GND GND GND *L101 12nH GND *C171 1pF *L117 18nH *R36 100 *R133 OPEN *R41 2.2k *L14 15nH *C37 5pF *L13 15nH *L12 47nH *L11 15nH *L10 15nH *C30 7pF *R5 OPEN *R8 OPEN *CN2 SM03B-SRSS-TB 1 TX_RF 2 GND 3 RX_RF 4 Attachment1 5 Attachment2 *L108 12nH *L110 27nH *C123 4pF *L9 18nH *C119 3pF IC201 TB31202FN(EL) 1 fIN1 2 Vcc_1 3 CP1 4 GND_1 5 LD 6 CK 7 DATA 8 STB 9 BO 10 XOUT 11 XIN 12 SW 13 GND_2 14 CP2 15 Vcc_2 16 fIN2 R47 0 R48 0 a13ah423.cir/001.sht 03/04/01 *L6 15nH *R159 OPEN *R158 OPEN *R132 22k *C72 OPEN *R157 OPEN C113 OPEN C115 OPEN *R160 120 V33 *R49 OPEN *R50 0 V33 *R136 220 *R156 OPEN *L109 82nH C71 220uF 4V C70 220uF 4V *CF104 SFPCA450KE4A-R1 2 Ground 3 Output 1 Input 4 Attachment *CF101 AFAA0004A4 1 GND_1 2 GND_2 3 GND_3 4 I/O_1 5 GND_4 8 GND_7 9 I/O_2 10 GND_8 6 GND_5 7 GND_6 *CF103 21E15AB 1 GND_1 2 GND_2 3 OUT 4 GND_3 5 GND_4 6 IN *IC2 ENFVF142SN4 1 RF_OUT 2 Vcc 3 Vcont[Vt] 4 GND_1 5 GND_2 6 GND_3 7 Attachment1 8 Att…

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A-003-03-C Page 1 of 23 KEC Ikoma Testing Laboratory 12128 Takayama-cho Ikoma-city Nara 630-0101 Japan KANSAI ELECTRONIC INDUSTRY DEVELOPMENT CENTER HEAD OFFICE IKOMA TESTING LABORATORY 6-8-7 NISHITENMA 12128 TAKAYAMA-CHO KITA-KU OSAKA 530-0047 JAPAN IKOMA-CITY NARA 630-0101 JAPAN Corporate Juridical Person TEST REPORT Report No.A-003-03-C Date: 22 April 2003 This test report is to certify that the tested device properly complies with the requirements of: FCC Rules and Regulations Part 90 : Private Land Mobile Radio Services. The tests necessary to show compliance to the requirements were performed and these results met the specifications of requirement. The results of this report should not be construed to imply compliance of equipment other than that, which was tested. Unless the laboratory permission, this report should not be copied in part. 1. Applicant Company Name : Matsushita Electric Industrial Co., Ltd. Panasonic System Solutions Company Mailing Address : 4-3-1, TSUNASHIMA-HIGASHI, YOKOHAMA-CITY, KANAGAWA, 223-8639 JAPAN 2. Identification of Tested Device Type of Device : Private Land Mobile Radio Services. Kind of Equipment Authorization : : DoC : Certification : Verification FCC ID : ACJ9TAWX-CH2050 Device Name : All-in One Headset Trade Name : Panasonic Model Number : WX-CH2050 Serial Number : CC0001 : Prototype : Pre-production : Production Date of Manufacture : April 2003 3. Test Items and Procedure : Measurement of RF Power Output (Substitution Method) : Modulation Characteristics : Emission Bandwidth : Measurement of Field Strength of Spurious Radiation (Substitution Method) : Measurement of Spurious Emission at Antenna Terminal : Frequency Stability Measurement Above all tests were performed under: FCC Part 2 Sec2.1046, Sec2.1047, Sec2.1049, Sec2.1051, Sec2.1053, Sec2.1055 and Sec2.1057. : without deviation, : with deviation(details are found inside of this report) 4. Date of Test Receipt of Test Sample : 8 April 2003 Condition of Test Sample : : Damage is not found on the set. : Damage is found on the set. (Details are described in this report) Test Completed on : 15 April 2003 Seiichi Izumi General Manager / Ikoma Testing Laboratory A-003-03-C Page 2 of 23 KEC Ikoma Testing Laboratory 12128 Takayama-cho Ikoma-city Nara 630-0101 Japan Table of Contents 0. LABORATORY ACCREDITATION AND MEASUREMENT UNCERTAINTY................ 3 0.1. Laboratory Accreditation..................................................................................................3 0.2. Measurement Uncertainty ............................................................................................... 3 1. CERTIFICATION OF THE COMPLIANCE.......................................................................... 3 2. GENERAL INFORMATION................................................................................................... 4 2.1. Product Description .......................................................................................................... 4 2.2. Description for Equipment Authorization ...................................................................... 4 2.3. Test Facility ....................................................................................................................... 4 3. TESTED SYSTEM.................................................................................................................... 5 3.1. Test Mode ........................................................................................................................... 5 3.2. Block Diagram of EUT System ........................................................................................ 5 3.3. List of EUT System ........................................................................................................... 5 4. RF POWER OUTPUT ..............................................................................................................6 4.1. Reference Rule and Specification .................................................................................... 6 4.2. Test Configuration ............................................................................................................ 6 4.3. Test Procedure ................................................................................................................... 7 4.4. Test Results ....................................................................................................................... 8 5. MODULATION CHARACTERISTICS................................................................................... 9 5.1. Reference Rule and Specification .................................................................................... 9 5.2. Test Results ....................................................................................................................... 9 6. EMISSION BANDWIDTH .................................................................................................... 11 6.1. Reference Rule and Specification .................................................................................. 11 6.2. Test Procedure ................................................................................................................. 11 6.3. Test Configuration .......................................................................................................... 11 6.4. Test Results ..................................................................................................................... 12 7. FIELD STRENGTH OF SPURIOUS RADIATION............................................................. 16 7.1. Reference Rule and Specification .................................................................................. 16 7.2. Test Procedure ................................................................................................................. 16 7.3. Test Configuration ..................................................................................................…

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