Service Manual 5T-U 5C-U BUFF AMP T135 RF AMP T131 T/R AMP D135,D136 T139 T140 T141 T142 5R-U 5R-U T143. 1st MIXER T144 AMP RX-U D148 5T-V ANT SW

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1 Service Manual rand: WOUXUN Moel: KG-UV6D Frequency:6-74/0-480MHz U8 464_LK 464 _DAA U8 V_LK VOI _DAA 6 P 64 MONI 6 PF 8 Reset Reset 8 hannel N,N MI D8 VOX DS AF LPF PLL_DAA PLL_LK PLL_S PU I7 Q/DQ Filter S L LD_S LD_W R K~K4 D~D4 M R A est 4.4MHz x R A/ U/V LMXAM 9 A D U R N/W Do-U 8 AF.768KHz A MNU 4 7 Fin-U 6 UP 8 Fin-U Do-U MOD R LPF 8.8MHz ANSQL AF LPF 4 SS SS MOD DOWN 6 9 P -U -V 40KHz A FM IF Ripple Filter /RX-U VO 40KHz A6F Ripple Filter /RX-U VO F U 6 R Power/Volume XI * 0 # A+ IF 0 0 RF UFF RF R -V UFF P_SPK -U -U -V ARY U6 HD MHz D MF FL,FL6 A -U RF R-U RX-U D48 -V RF RX-V R-V D U AF D LD6 4 -U R-U -U A /R RF RF RF RF D,D st MIXR 44 -V st MIXR A MU D R-U R-V /R D,D4 LD LD R-V PF -V RF 9 PF SP R-V RF RF 0 MOD 4 RF D D D D D8 8, L JK PHON JAK XD A LD KY LD RD R_LD 4 one LD Green PF RF PF 6 G_LD UN A UN N/W A LD Green D 96 RF L D7,D8,D47,D46 -U AF 64 -U X/RX-U -V X/RX-V AN D,D,D6,D44 -V AN 7,46 D 7,6 D AF 6 R-U R-V LPF LPF U6 D6,66 A A+ AF AG U6 Regulator U66 Regulator 9,6 -U D S-U 4,74 R D R-U R-V X/RX:44~46.987MHz 67,67 M MI A+ D A+ D 674,67 LK DAA.768KHz -V RF 66 D D 68,684 8 D 8 D -U 8,6 D -U -V RXD P_SPK -U X/RX-U -V X/RX-V -V S-V urrent D I6 D 6 FM RADIO PHON JAK A+ AP AFout JK MI Frequency onstitute he transceiver uses twice frequency conversion, the first IF is 9.0MHz, and the second IF is 40MHz. he first local oscillations signal is supplied by PLL circuit, which produces the necessary transmitting frequency. (See PI ) PI

2 Frequency constitute A 6~74.99MHz 0~479.99MHz Receiver Part PI () the Front of U band (RF Amplifier) he Signal received from antenna enters the diode circuit of transmitting/ Receiving switch(d48,d7,d8 和 D47), and then it enters into PF(L9 和 L9), after that it is amplified by RF(4). he signal enters the mixing through (L6, L89, L87 and L88,). hese PF are adjusted by variable condenser (D4,D4,D44,D4). he voltage that is input into the variable condenser is adjusted by the voltage from microprocessor (I8). () the Front of V band (RF Amplifier) he Signal received from antenna enters the diode circuit of transmitting/ Receiving switch( D,D, D6 and D44), and then it enters into PF(L44 和 L4), after that it is amplified by RF(4). he signal enters the mixing through (L0,L4,L4 and L). hese PF are adjusted by variable condenser (D8,D9,D0 and D). he voltage that is input into the variable condenser is adjusted by the voltage from microprocessor (I8). (See PI ) () he st mixer he signal of the front in the U band mixes the first oscillation signal produced by PLL circuit on 44, and then creates the st intermediate frequency signal of 9.0MHz. he created signal goes through to the U.V band switcher. he signal of the front in the V band mixes the first oscillation signal produced by PLL circuit on, and then creates the st intermediate frequency signal of 9.0MHz. he created signal goes through to the U.V band switcher. he U.V band switcher changes the signals of the U band and the V band, referring to the working condition of the U/V band of the I8. After the change, signal will be sent to the MF(FL,FL6) (See PI ) (4) Intermediate Frequency Amplifying ircuit he st intermediate frequency signal eliminates the signal of adjacent channels through crystal filter (FL, FL6).he first intermediate frequency signal through filtering is amplified by the st intermediate frequency amplifier (0) and enters the intermediate frequency system MOS chip (U6).he intermediate frequency system MOS chip provides the nd mixer, the nd RX LO, the restriction amplifier, quadrate detector and RSSI (Indicator of receiving signal intension). he nd mixer outputs and mixes the first intermediate

3 frequency signal and the nd RX LO of 8.8MHz, and then creates the second intermediate frequency signal of 40kHz.he second intermediate frequency signal keeps eliminating the signal of the adjacent channels through ceramic filter (FL4). he nd mixer through filtering is amplified by restriction amplifier, and demodulated by quadrate detector. he demodulated signal is filtering in microprocessor (I8), and then enters the tone circuit. (See PI ) () Wide/Narrow Switch ircuit We can set the width of every channel by turning on the wide/narrow switch. he data of WID (Low Level) and NARROW (High Level) is outputted by the 4th pin of I8. 8 connects when receiving WID (Low Level) data, and disconnects when receiving the NARROW (High Level) data. 8 connects/disconnects by the wide/narrow data. he outputted level from U6 detector always changes to maintain the constant outputted level during the wide/narrow signal process PI (6) one Amplifier ircuit After being filtered by microprocessor (I8), the modulated signal from U4 is amplified by 8, and then is sent to tone amplifier. he signal through AF volume control is amplified on the tone power amplifier (U) and sent to the mic.( See PI ) (7)Squelch A part of AF signal from FM I (U6) enters I again. he noise components is amplified and corrected by the filter and the amplifier, and produces D voltage corresponding to the noise level. D signal is sent to stimulated port 8th foot of the microprocessor (I8) through FM I. he microprocessor (I8) decides whether output voice from speaker according to examining the input voltage is higher or lower the preset value. When the speaker outputs voice, the microprocessor (I8)sends the high level signal to SP MU line, and opens AF ( U) through,,4and. (See PI4) PI4 (8) Receiving channel(q/dq) he signal from FM I (U6) enters the microprocessor (I8). he microprocessor (I8) determines whether Q or DQ matches the setting value, and controls the outputting voice of P-SPK and speaker according to the result. (See PI 4) PI4

4 PLL Frequency ompound PLL circuit is produced by the st local oscillations signal and the RF signal for transmitting. he PLL this transceiver uses is the integrated circuit, which causes different way for receiving, using the st local oscillations signal and the RF signal. PI () PLL he frequency step of PLL circuit is or 6. khz. he 4.4MHz referring Rx LO is divided frequency by a fixed arithmometer on U. he output signal of the oscillator (V0) is buffered and amplified by 0, and then is divided frequency by a programmable double module arithmometre. he signal of division frequency is compared on the phase comparator of U, whose produced signal is sent to VO to control the frequency of the oscillation after filtering by a low-pass filter. (See PI) () VO VO in the U band of the radio he frequency used in the U band of the radio is produced by 4 oscillation, when the frequency point of transmitting and receiving. hrough the VO controlling voltage that will be obtained from the phase comparator, it send to the variable diode (D, D9, D, D) to control the oscillating frequency. he signal of the oscillating frequency is amplified through and, then is separately sent to the transmitting frequency amplifier through D6 and D, and eventually received. (See PI ) VO in the V band of the radio he frequency used in the V band of the radio is produced by oscillation, when the frequency point of transmitting and receiving. hrough the VO controlling voltage that will be obtained from the phase comparator, it sends to the variable diode (D4, D, D7, D8) to control the oscillating frequency. he signal of the oscillating frequency is amplified through and, then is separately sent to the transmitting frequency amplifier through D and D4, and eventually received. (See PI ) he ransmitting Segment ()Speaker Amplifier he signal from the speaker goes through U6.When encoding DMF, the inputted speaker signal is closed by U6. he signal processes the adjustment of the maximum frequency deviation through tone processor U6, and then is sent to VO of U/V band to demodulate

5 and input. (See PI6) PI6 () Drivers and erminal Amplifier his radio has separate drivers and erminal Amplifiers, U band s and V band s. Drivers and erminal Amplifier of U band he signal from /R switch (D6 ON) is amplified to 0mW by the pre-driver amplifier (9, ) and the driver amplifier (4). he output of the driver amplifier is amplified to 4.0W by RF power amplifier (4) (when the low power is W). he output of RF power amplifier is sent to the antenna terminal through harmonious wave filter (LPF) and antenna switch (D48). (See PI7) Drivers and erminal Amplifier of V band he signal from /R switch (D ON) is amplified to 0mW by the pre-driver amplifier (9, 0) and the driver amplifier (. he output of the driver amplifier is amplified to 4.0W by RF power amplifier () (when the low power is W). he output of RF power amplifier is sent to the antenna terminal through harmonious wave filter (LPF) and antenna switch (D). (See PI7) PI7 () Auto Power ontrol (AP) ircuit AP circuit always monitors the current passed by RF power amplifier (4 or ) and maintains its stability. he changes of current that is through RF power amplifier will cause the lower voltage of R6,R66,R69 and R660, which is sent to the differential amplifier U6(/). U6 (/) compares the output voltage from U6 (/) with the referring voltage from I8. he output voltage of U6 (/) control the VG of RF power amplifier, driver amplifier and pre-drive amplifier to maintain the consistent voltage. he changes of High/Low power are enabled by changing the referring voltage. (See PI 7). (4) ncoding Signaling Q/DQ Q/DQ data is output by PU of the rd pin. he signal is sent to XO R through the low-pass R filter, and another one is sent to mix with the audio frequency, eventually, sent to VO of U/V band. DMF

6 lectronic Power his transceiver has o power. hey are provided to the microprocessor:, M. When the electronic power is on, always keeps outputting. Although is regular output, it is also closed by turning off the electronic power to prevent the microprocessor from malfunction. -V is the common for V band, and keeps outputting during the non-save status. -U is the common for U band, and keeps outputting during the non-save status. R-V is the receiving for V band, and keeps outputting during receiving. R-U is the receiving for U band, and keeps outputting during receiving. R-V is the transmitting for V band, and keeps outputting during transmitting. R-U is the transmitting for U band, and keeps outputting during transmitting. R is the used in the intermediate circuit (U and V band receiving the common power) is the power for the amplified speaker ((U and V band receiving the common power) In addition, there are totally adapters, A+ and A. A+ is the input power, and A is the power which is controlled by the switcher. ircuit control he circuit control is made up of the microprocessor (I8) and the outer ciucuit. It is controlled by X-RX units. he main functions of I8 are including: () Switch the mode of transmitting and receiving referring the input signal if P. () Read out the system, group, frequency and the processor data from the memory circuit. () Send the frequency data to PLL. (4) ontrol ON/OFF of the squelch according to the D voltage of the squelch circuit output. () ontrol audio mute referring the decoding data. )the memory circuit he memory circuit is made up of PU(I8) and PROM(U8). Its capacity is 64K bits,including the handhold control processor UP uses and the data for channel and operation function. (See PI 8) PI8 )low-voltage Prompt Watch out the voltage by the microprocessor. When the voltage is lower than the warning voltage, there will be a prompt for reminding. (See PI9) PI9 Keypad and the Power-on-Message ()keypad entry examination K, K,K,K4 are the output ports of the keypad, and D,D,D,D4are the entry ports of the keypad. here has the referred operation the after microprocessor(i8)examination. (See PI0)

7 PI0 ()Power-on-Message he information shown by LD is bythe microprocessor(i8) controlling the screen (liquid crystal)and displaying the driver circuit. PI ()the circuit in the poor light he screen and the backlight of this transceiver use the single backlight, and the lighter is controlled by the 0 th pin of I8. (See PI) (4)the illumination circuit 图 he illumination circuit is controlled by the rd pin of I8. (See PI) PI he Programming communication he radio does the data communication with P through the RXD and XD on the headset.(see PI 4)

8 PI4 Adjust Public Part IM.setting.VO Locked Voltage RX.VO Locked Voltage X X Part IM.frequen cy adjustmen t. high-powe r adjustmen t. low frequency ONDIION )A erminal Voltage:7. )SSG Standard Modulation [WID]MOD:KHz,DV:KHz [NARROW]MOD:KHz,DV:.KHz ) H: HIGH ) H: LOW ) H:HIGH P:ON ) H: LOW P:ON S ADJUSMN equipment terminal parts method SP./NO Power AN.0V +/-0.V meter V INSPION 0.6V DVM above or.0v +/-0.V INSPION 0.6Vor above S ADJUSMN ONDIION equipment termin part method PS/NO al ) H:high cymometer AN highfrequ )P:ON ency +/-0Hz esth: low power 4.0W center meter +/-0.V high ammeter.9 or A terminal below voltage:7. P:ON est H: LOW.0W NR +/-0.V

9 adjustmen HIGH 0.9A t A terminal orbelow Voltage:7. P:ON 4.maximum est H:LOW Power AN 4.KHz +/-0Hz frequency NR meter SP/MI (max deviation HIGH deviation connec availabl adjustmen AG:KHz/0Mv frequency tor e) t(wid) deviation Frequency instrumen filter LPF:KHz t HPF:OFF Oscillogr P:ON aph [narrow] esth: 中 心 AG.KHz +/-0Hz P:ON AF VVM (max avalable ) RX Part item condition test equipment termin al adjustment part method SP/NO.sensitivity est H:low SSG AN inspecti d check [WID] center DVM on SINAD high oscillogr or SSG aph above output:-7dm(0. AF VVM uv) SSGMOD:KHz [NARROW] est H: center SSG output:-dm(0. 4uV) SSGMOD:. KHz. SQL(Squelch est H: low Programm Read-in Squelch value)write[wid center ing open e] high software SSG output:-dm(0. 6uV) SSGMOD:.0 KHz [narrow] est H: center SSG output:-dm(0. 6uV) SSGMOD:.0 KHz 4. SQL(deep est H: center

10 squelch valve value)read-in[ wide] [narrow] low high SSG output:-7dm(0. uv) SSGMOD:.0 KHz est H: center SSG output:-6dm(0. uv) SSGMOD:. KHz Parts List he Front parts on P oard Spec. US/Function encapsulation Digit. No Quat. 04P 0P 0P 68P 0P 7P P 68P 00P R R

11 00P 7P 680P 47P 4P 0P 0P P 8P 0P 0uF.uF 4.7uF RD LD D060 D8 GRN LD D060 D84 RLS448 Diode D-S D8 D8 D6 D69 D7 LD LD LD D96 RLS448 Diode US D6 D60 SS7 Diode USM D8 D6.768KHz crystal M-46 R8. mm Headset jack S-04 JK. mm Mic jack S-0 JK6 JP0 0chip block JP-0-L JP8 H00nH inductance L060 L8 L6 L0 L7 4 H68nH inductance L060 L9 L8 R R84 R8 R89 R60 R6 R64 R6 R0 R68 R9 R6 R44 R R9 R

12 K 0K K 80K 60K 0K 0 68K 00K 9K.6K K 0K.K 47R 8K 680K.K R0 R R R84 R669 R668 R66 R8 R84 8 R0 R R67 R89 R88 R64 R6 R86 7 R0 R674 R67 R67 R67 R8 R8 R6 R67 R6 R6 0 R0 R84 R8 R848 R67 R60 R76 R86 R4 8 R0 R R646 R0 R86 R0 R860 R88 R88 R89 R78 R8 R 7 R0 R8 R664 R66 R67 R7 R0 R8 R644 R0 R8 R84 R88 R64 4 R80 R87 R6 R96 R R8 R6 R R0 R R648 R89 R79 R667 R0 R846 R0 R84 R844 R64 R0 R84 R84 R69 R68 R66 R6 R6 R7 8 R0 R80 R0 R89 R66 R0 R8 R8 R0 R80 R666 R69 R7 R9 R4 R90 R78 8 R0 R86 R0 R6 R0 R68 R0 R66

13 9K.8M K 7K 0K M.6R 6 K 0K 0K 0.R R0 R6 R9 R0 R69 R0 R6 R6 R0 R7 R R0 R4 R0 R0 R8 R0 R6 R64 R0 R60 R647 R64 R0 R96 R0 R7 R R060 R8 R6 R060 R60 R060 R68 R67 R66 R64 4 R060 R6 R06 R660 R6 R66 R06 R69 exclusion 06-4 RP8 RP8 0K Fine-tuning resistance RV008 RS6 0K Fine-tuning resistance RV08 RV PF switch D-6A 6 MONI KY switch D-6A 64 P KY switch D-0A 6 SK476 F -NA 4 S467 transistor SM 6 64 DA4 transistor SM 66 D4 transistor SM

14 F77 transistor SM S7 transistor SM 96 S46 transistor USM 8 S46 transistor USM SS48 transistor USM 66 RDA807P I QFN4 U4 M78P68 I QFP44 I8 464 I SOP8 U8 LM48 I SOP U6 LM8 I SOP8 U6 VOI voltage regulator tube VOI U8 Inverse Parts on P oard hart US/Functio ncapsulatio Spec. Digit.No QY n n AN- antenna AN-KX0 AN attery ARY ARY A6 contacts P P P

15 8P P 47P 00P 4P 7P 80P 0P 6P P 7P P P 7P 4P P P 0.P R4 R

16 P 6P 8P 8P P P 4P P 7P 8P 4P P 0P P P 0P 0P 00P 6P P inductance 060 L4 L P

17 04P P P inductance 060 L9 0.P P uF uf uf uF SV76 Variable capacitance S D8 D7 D D4 D D9 D D 8 diode RLS448 Diode S D68 D68 D4 D4 D66 HS77 Diode S D D D6 D D4 D D48 D8 D7 D6 D D SV0 Variable D D0 D4 D44 D4 D4 D9 D8 capacitance S D4 diode 9 HSM88A Diode SM D44 D47 A9 Diode US D D46 SV78 Variable capacitance US D7 diode 0.uF A lectrolyte IA uF A lectrolyte IA uF A lectrolyte IA6

18 0uF A lectrolyte IA uF A lectrolyte IA60 40K Filter PF4R FL4 9.0MHz Filter UM--S FL6 FL 4.4MHz rystal 9.MHZ R 4 rystal 6060 R H68nH H47nH H7nH HnH HnH H8nH I.uH HW0nH HW8nH HW68nH HW8nH HW60nH H0nH HW47nH H00nH H0nH I6.8uH L0 L9 L L0 L4 L0 L86 L0 L7 L0 L9 L060 L L70 L69 R 4 L060 L66 L L67 L 4 L060 L46 6 L060 L4 L64 L060 L44 R46 L060 L4 L0 4 L060 L6 L060 L4 L L060 L8 L060 L7 L L060 L6 L L L060 L L H70nH L060 L68 L6 L6 L60 4

19 HW6.8nH I60nH IuH HW4.7nH HWnH HW6nH HW7nH H.nH HW0nH HWuH HW0nH HnH HnH HnH H00nH HW60nH I60nH I00nH HW0nH HWuH 0.*.*7 0.*.*8 Air core coil Air core coil L060 L6 L9 L060 L7 L060 L6 L060 L9 L060 L90 L060 L89 L060 L88 L87 L060 L77 L060 L7 L060 L7 L060 L6 L060 L L060 L4 L060 L8 L080 L L79 L080 L7 L080 L74 L080 L8 L080 L76 L0 L7 L080 L9 L0 L8 L L0 L6

20 0.*.* 0.*.*7 0.*.*8 0.4*.0* K 0K.K K 0.K 6K K 470K.9K 80K Air core coil L0 L8 L8 L8 Air core coil L07 L8 Air core coil L08 L L78 Air core coil L0 L4 R8 R84 R0 R8 R4 R49 R46 R8 R0 7 9 R8 R8 R68 R4 R4 R R6 R48 R0 R6 R07 R7 R8 R8 R4 R68 R4 R6 R8 R R R R66 R0 R9 R88 R8 R84 R8 R8 R8 R79 R R8 R0 R R R R7 R48 R00 R99 R9 8 R0 R7 R0 R R R444 R80 R7 R9 R6 R78 R7 R0 R 9 R0 R68 R R R R8 R R9 R76 8 R0 R9 R R0 R8 R R0 R7 R6 R R7 R R R4 448 R R0 R R0 R4 R48 R4 R47 4 R0 R0 R98 R6 R49 4 R0 R99 R R R0 R9 R R96 R7 R4 R4 R4 7 8 R0 R6 R9 R0

21 K 00K 0K 00K.7K 8K 47R 68 0K.K.6K R 8.8K 6 9R 68K.6R 0K M R0 R4 R0 R R446 R6 R60 R98 R8 6 R0 R46 R460 R48 R0 R09 R0 R49 R0 R46 R6 R0 R4 R0 R448 R447 R44 R0 4 R0 R48 R76 R7 R66 R9 R4 R0 R87 R4 9 R0 R47 R0 R7 R94 R90 R0 R94 R49 R R86 R8 R64 6 R0 R87 R8 R7 R80 R7 R0 R77 R74 R0 R4 R0 R9 R08 R0 R9 6 R0 R7 R0 R9 R6 R0 R6 R06 R0 R R77 R88 R0 R68 R0 R04 R0 R9 R0 R R0 R46 R464 R0 R9 R R4 R4 R40 8

22 R060 R R R060 R0 L4 L R060 R97 R080 R D0874O hannel switch D0874O 8 R0870NS Power/Volum e Switch R0870NS 6 S467 rystal une SM DA4 rystal une SM 6 D4 rystal une SM S7 rystal une SO89 0 SK88 F SO89 SK47 F SO89 4 F77 rystal une SM S6 rystal SM 9 9 SK08NV F SM 4 SK8 F US S4 rystal une USM 0 S46 rystal une USM 9 S46 rystal une USM 0 4 S488 rystal une USM A768 I SSOP0 U A6F I SSOP6 U6 LMX6 I SSOP0 U Regulator une U66 U6 Parts form on LD control oard Parts on the front board Spec. US/Function ncapsulation Digit. No quantity LD LD D060 D66 D6 D6 D6 4 LD acklight chip LD D8 MI mic MI60 MI6 Parts on the back board Spec. Use/Function ncapsulation Digit. No quantity 0P P

23 00P 0uF JP0 00nH 0.8K.K.K 9K K A lectrolyte IA6 6 0 chip adapter JP0 JP6 L060 L6 R0 R6 R0 R6 R0 R68 R67 R64 R6 4 R0 R6 R0 R6 R0 R66 R6 R0 R84 R69 R060 R8 R8 exclusion 06-4 R6 D4 rystal une SM 6 8 HD44780 I HIP80 U6 P oard P oard Schematic Diagram

24 A K

25 A K

26 I I g g 4 G O O G

27 I G I g g 4 G O O

28 I I D G A K K 44 D G A A K 4 A K A K 0 g g g g - S S 4 g g g g g O G G O g g 0

29 K A G G I O D D G S S S D G G S D A K K A 4 g g G D S S A K 4 I O G G I O

30 + - K A K

31 + - K A K

32

33

34 S S S 9 0 S4 S S6 S7 S8 4 6 A A K K S9 S0 S S S S4 S S6 S7 S8 S9 S S S S S4 S S6 S7 S8 S9 S0 S S 4 S S4 S S6 S7 A A K K 6 S8 7 S9 8 S0 + - K A K

35 - + K 0 A 0 g K 0 g g g

36 -U -U -U R74 R74 R74 R74.6K R77 R77 R77 R77 6 L70 L70 L70 L70 H8nH S R76 R76 R76 R76 47R uF R7 R7 R7 R7.K R78 R78 R78 R P R80 R80 R80 R80.K D D D D HS77 D6 D6 D6 D6 HS P R8 R8 R8 R8 R8 R8 R8 R R8 R8 R8 R8 0K R88 R88 R88 R88 6 L4 L4 L4 L4 HnH S R87 R87 R87 R87 47R P P R84 R84 R84 R P R9 R9 R9 R9.K R94 R94 R94 R94 68 L L L L HnH S R9 R9 R9 R9 R P P R90 R90 R90 R90 68 R9 R9 R9 R9.6R L67 L67 L67 L67 I.uH R97 R97 R97 R97 R0 R0 R0 R0 R R99 R99 R99 R99 0K R0 R0 R0 R0 8K 0P SK47 L7 L7 L7 L7 HW0nH L74 L74 L74 L74 I60nH P R0 R0 R0 R0 R08 R08 R08 R08 R R04 R04 R04 R04 68K R07 R07 R07 R07 0P SK476 L78 L78 L78 L78 0.*.* P P L79 L79 L79 L79 H00nH uF P P P P P P P P L76 L76 L76 L76 HW0nH R R R R R R R R D46 D46 D46 D46 A9 L8 L8 L8 L8 0.*.* P L8 L8 L8 L8 0.*.* P P P AN AN AN AN AN P R9 R9 R9 R9 0K S46 L8 L8 L8 L8 HnH R8 R8 R8 R8 K P P P P P R46 R46 R46 R46 K P R48 R48 R48 R48 0K L6 L6 L6 L6 IuH S R49 R49 R49 R49 K P R L7 L7 L7 L7 I60nH P R R R R R R R R R4 R4 R4 R4 K R R R R.K 0.uF uF 0.uF L60 L60 L60 L60 H70nH MOD R6 R6 R6 R6 R7 R7 R7 R7 K P R44 R44 R44 R44 R4 R4 R4 R P -U -U -U -U V-U LO nd LO nd L-U -U V-U V-U V-U V-U DQ DQ DQ DQ Q Q Q Q MOD MOD MOD MOD P R47 R47 R47 R47 L L L L H00nH 0P L L L L I6.8uH XOU V 4 GND R R R R 4.4MHz 0P uF P P P P R7 R7 R7 R7 K R9 R9 R9 R9 9K RV RV RV RV 0K R6 R6 R6 R uF R8 R8 R8 R8 7K R R R R K DQo P P P P D D PLL-L DQo R R R R 04P R6 R6 R6 R6 R60 R60 R60 R60 00K R6 R6 R6 R6 R7 R7 R7 R7 0K P L64 L64 L64 L64 HW8nH L6 L6 L6 L6 H70nH R68 R68 R68 R68 9R D D D D SV76 L6 L6 L6 L6 H70nH P P P D4 D4 D4 D4 SV P D D D D HS P S uF L66 L66 L66 L66 I.uH P R66 R66 R66 R66 47R L-U L69 L69 L69 L69 H8nH S488 P R7 R7 R7 R7 47R 04P L-U SK08NV L68 L68 L68 L68 H70nH R7 R7 R7 R7 0 0P -U (PLL-LK) (PLL-DAA) R R R R R8 R8 R8 R8 0K R R R R 0K P MOD Q P D9 D9 D9 D9 SV uf V FinRF 6 GND_A 7 LOK FinRF FinIF 6 OSou t 9 DAA FoLD 0 DoRF Vp OSin 8 L GND_A 4 GND_D 4 FinIF GND_D 7 DoIF 8 Vp 9 V 0 U U U U LMX6 00P 00P UHF UHF UHF UHF P D8 D8 D8 D8 HS P R R R R D7 D7 D7 D7 HS77 R4 R4 R4 R4 L9 L9 L9 L9 HW6.8nH P D4 D4 D4 D4 SV0 R0 R0 R0 R0 M P P D44 D44 D44 D44 SV R9 R9 R9 R9 M L90 L90 L90 L90 HWnH R8 R8 R8 R8 00K R0 R0 R0 R0 0K R7 R7 R7 R7 R09 R09 R09 R09 0K SK R6 R6 R6 R P 0P L89 L89 L89 L89 HW6nH L6 L6 L6 L6 HW0nH R06 R06 R06 R06.8K R0 R0 R0 R0 47R P L88 L88 L88 L88 HW7nH P D4 D4 D4 D4 SV0 R R R R M P P L87 L87 L87 L87 HW7nH P D4 D4 D4 D4 SV0 R4 R4 R4 R4 M P R R R R 0K R00 R00 R00 R00 0K R R R R 80K R98 R98 R98 R98 00K SK8 R R R R P 0P L86 L86 L86 L86 H7nH P R96 R96 R96 R96 L7 L7 L7 L7 HW0nH L7 L7 L7 L7 HWuH R9 R9 R9 R9 47R P P 0P R0 R0 R0 R P P L7 L7 L7 L7 HnH L9 L9 L9 L9 HnH P R-U R R R R 80K SS/DS/UN UN UN P R79 R8 7 R-U 8 F77 R P 66 0P 7 F77 46 D4 R R6 6 R9.K 69 0P 9 0uF 6 F77 R4.K R P 9 0P 6 04P R-U -U 64 04P -U -U 68 0P -U 96 0uF -U -U FL6 FL6 FL6 FL6 9.0MHz FL FL FL FL 9.0MHz P 8P 8P R6 R6 R6 R6 8 R R R R 0K S4 R4 R4 R4 R4 K R R R R 00K 0P 0P OS in Dec 6 FIL out 7 IF o ut IF in MIX in 6 AF o ut 9 RSSI QUAD 0 MIX ou t OS ou t FIL in 8 N-de t N-re c 4 Vcc 4 GND U6 U6 U6 U6 A6F R8 R8 R8 R8 K R9 R9 R9 R P P P R R R R 0P R R R R.K P R6 R6 R6 R6.9K P R99 R99 R99 R99 80K R98 R98 R98 R98.9K P P R R R R 80K P Ro DV ANSQL R R R R 0 04P uF Ro R LO nd R R R R.K uf ANSQL Ro O I FL4 FL4 FL4 FL4 40K DV DV DV DV R7 R7 R7 R7.K R R R R DA R4 R4 R4 R P Ro R R R R K LO nd -V -V -V R8 R8 R8 R8.K R0 R0 R0 R0 68 L4 L4 L4 L4 H0nH S P R9 R9 R9 R uF R77 R77 R77 R77.6K R80 R80 R80 R P P R87 R87 R87 R87.K D4 D4 D4 D4 HS77 D D D D HS P R R R R R R R R R R R R 0K R R R R 0P L L L L H0nH S P R4 R4 R4 R4 47R P P R9 R9 R9 R P R8 R8 R8 R8.K R4 R4 R4 R4 0P L L L L H0nH S R9 R9 R9 R9 R P P R47 R47 R47 R R48 R48 R48 R48 L L L L I.uH R46 R46 R46 R46 HW68nH R0 R0 R0 R0 R R48 R48 R48 R48 0P R49 R49 R49 R49 0K 0P SK47 L9 L9 L9 L9 HWuH L8 L8 L8 L8 I00nH P P R4 R4 R4 R4 R R R R R H8nH R R R R 6K R R R R K P SK476 L L L L 0.*.* P P L L L L H00nH P uF P L4 L4 L4 L4 0.4*.0* P P P R R R R P P P L0 L0 L0 L0 HW0nH R6 R6 R6 R6 R8 R8 R8 R8 D D D D A9 L6 L6 L6 L6 0.*.* L8 L8 L8 L8 0.*.* P D D D D HS P P D6 D6 D6 D6 HS77 L4 L4 L4 L4 HW8nH P D D D D SV0 R46 R46 R46 R46 M P P D0 D0 D0 D0 SV0 R464 R464 R464 R464 M L4 L4 L4 L4 HW8nH R46 R46 R46 R46 0K R460 R460 R460 R460 0K R49 R49 R49 R49 00K R48 R48 R48 R48 0K SK R46 R46 R46 R P P L0 L0 L0 L0 HW8nH R4 R4 R4 R4 47R D9 D9 D9 D9 SV0 R4 R4 R4 R4 M P P D8 D8 D8 D8 SV0 R40 R40 R40 R40 M HW8nH R448 R448 R448 R448 8K R447 R447 R447 R447 8K R446 R446 R446 R446 00K R44 R44 R44 R44 8K SK P R444 R444 R444 R L9 L9 L9 L9 H68nH P 7P R49 R49 R49 R49.9K L6 L6 L6 L6 HW60nH L7 L7 L7 L7 HW60nH R48 R48 R48 R48 47R 04P 0P 0P R9 R9 R9 R P R R R R 0K S46 L L L L H8nH R0 R0 R0 R0 K P P 8P P P R R R R R R R R 6 R6 R6 R6 R6.8K R7 R7 R7 R uF 4.7uF uF L L L L I6.8uH F77 R89 R89 R89 R P P F D4 R78 R78 R78 R78.K R79 R79 R79 R R90 R90 R90 R90.K P uF F77 R76 R76 R76 R76.K R7 R7 R7 R P P P P L L L L H68nH R8 R8 R8 R8 R88 R88 R88 R R-V L4 L4 L4 L4 H47nH P -V P -V -V P -V R-V UN UN UN -V -V -V -V V-V uF P -V L-V -V V-V V-V V-V V-V P R6 R6 R6 R6 R6 R6 R6 R6 00K P R R R R R R R R 0K P L9 L9 L9 L9 P L6 L6 L6 L6 H0nH R7 R7 R7 R7 0 D4 D4 D4 D4 SV76 L7 L7 L7 L7 H00nH P P P D7 D7 D7 D7 SV P D D D D HS P S uF L L L L I.uH P R4 R4 R4 R L-V L L L L H0nH S488 P R6 R6 R6 R6 0 0P L-V SK08NV L46 L46 L46 L46 HW0nH R7 R7 R7 R P -V P -V R-V R-V 04P 4 04P 7 04P 0P 0P 04P 96 0P R76 K 97 P 89 04P R7.K D FM-SD IO 8 0uF 9 04P L0 H00nH.7 68KH z o o ARXout 7 6 U6 LM8 8 4 U6A LM P R64 0K R6 0K R66 0K R67 0K R64 0K 66 R68 0K R6 0.R R66 0.R R P R6 0K 64 R648 R60 M 644 0P R647 M R646 80K 64 0P 64 0P 6 D4 R64 M 64 04P 6 0P A+ A+ A+ AP R660 0.R 647 0P Vin GND Vout GND 4 U6 60 0P 6 0uF A 648 0P 66 0uF A JK 6. mm 66 0P 6 4.7uF R P R666.K R66 nc V cc nc Vin 4 Ripp le NF 6 Ph ase 7 PreG 8 PwG 9 Po ut 0 U A768 F77 D4 R.K R R8 9 0P 8 04P 4 D4 4 04P 4 0P 7 uf 46 0P R7 470K R6 0 0P 6 R0870NS R0870NS R0870NS R0870NS R69 6 0P R0.9K R4 0 0uF 47 00P R 49 47P SK88 R8 K R9 6K 4 JK. mm 00uF 0P A A+ 60 0P 6 04P P A A P -768 A 6 00P R664 0 R66 K R P P_SPK R P R68 XD XD ARXout AF XD ARXout AF ARXout AF P/RXD XD P /RXD P /RXD P /RXD ARXout P_SPK R D/XD D D D AF MI 9 7 K D D D D D A+ 6 0P P /RXD 67 6 P KY 64 MONI KY 6 PF A 6 ARY SP+ MI+ 68 0P R668 K R669 K RX D RD/XD 6 04P L6 H00nH 69 R64 00K R64 R6 8K 6 P 67 7P R68 680K 8 4 U6A LM U6 LM P D6 SS7 6.uF R69.K 68 04P 6 P R66.K R67 K 6 4.7uF R6 K 66 04P 6 00P R6 9K R64.6K R6 0K 6 04P R6 R6 0P R6.8M P R P R69 K R68 K R6.8M 66 P P R67 0K 6 0P 6 0P R66 K 6 0P 64.uF R6 R6 64 S467 6 S SS48 RS6 0K R60 K MI R64 04P 64 04P MI-VOX MOD MI-V OX R6 K 6 D4 R6 6 R P 90 68P L9 H68nH L8 H68nH 94 4P R78 0K S46 R P 98 4P L7 H00nH 88 4P 4 0P o R86 0K D48 HS77 R-U R-U -U VHF VHF VHF VHF R-V R-V R-U D HS77 R94 0K R-V LO nd GND_A PL L-L AP S-V X/R X-U SS/D S/ UN MI-VOX A est/l D-R S FM-SDIO ANSQL X/R X-V P_ SPK P/RXD RXI R D/XD D D D A ROM-DAA/N/W/ROM-WP.7 68KHz MOD ARXout S-U MI+ SP+ KG-D_ 4 _ 6 8 KG-D_ 4 _ 6 8.Sch GND_A PL L-L AP S-V X/R X-U SS/D S/ UN MI-VOX A est/l D-R S FM-SDIO ANSQL X/R X-V P_ SPK P/RXD RXI R D/XD D D D A ROM-DAA/N/W/ROM-WP.7 68KHz MOD ARXout S-U MI+ SP+ D FM-SDIO.768KHz D FM-SDIO.768KHz ARXout P_SPK D FM-SDIO.768KHz ARXout P_SPK D FM-SDIO.768K Hz MI P /RXD R D/XD D D ARXout P_SPK D FM-SDIO.768K Hz MI AP P /RXD R D/XD D D ARXout P_SPK D FM-SDIO.768K Hz AP MI-V OX P /RXD R D/XD D D ARXout P_SPK D FM-SDIO.768K Hz AP ROM-DAA/N/W /ROM-WP MI-V OX P /RXD R D/XD D D ARXout P_SPK D FM-SDIO.768K Hz AP ROM-DAA/N/W /ROM-WP R7.K R6 0K R60 K R9 7 0P A A est/ld-rs A ANSQL MI-V OX P /RXD R D/XD D D ARXout P_SPK D FM-SDIO.768K Hz AP ROM-DAA/N/W /ROM-WP P F D4 R4 R4 R4 R4 R4 R4 R4 R uF R P R4 R4 R4 R4 R D4 RLS448 D4 RLS448 R-U R-V R P F D4 R68 R68 R68 R68.K R68 R68 R68 R uF P R68 R68 R68 R68 D68 RLS448 D68 RLS448 -U -V PLL-L SS/DS/UN S-V X/R X-U PLL-L SS/DS/UN S-V X/RX-U SS/DS/UN S-V X/R X-U SS/DS/UN S-V X/R X-U SS/DS/UN SS/DS/UN SS/DS/UN X/R X-U DoIF FinIF DoIF FinIF LO nd DoIF FinIF DoIF FinIF S-U X/RX-V MOD A est/ld-rs S-U X/RX-V MOD S-U X/RX-V MOD S-U X/RX-V R XI MI P D8 RLS448 9 D4 R9 8 D4 R HW0nH P R4 K R84 R84 R84 R84 K D69 RLS 448 D6 RLS 448 D7 D7 D7 D7 SV76 R67 0K R67 0K -U(AP) -U(AP) -U(AP) -U(AP) -U(AP) -U(AP) -U(AP) -V(AP) -V(AP) -V(AP) -V(AP) -V(AP) 66 0uF 66 0uF R P R644 68K Vin GND Vout GND 4 U P 667 0uF A P 66 0uF M M A P SP+ 44 D44 HSM88A D47 HSM88A AN AN AN 66 DA4 P_SPK D66 RLS 448 R66 R6 R6 R6 R6 0K P R64 R64 R64 R64 0K P R4 R4 R4 R4 R4 R4 R4 R4 R4 R4 R4 R4 L4 L4 L4 L4 R4 R4 R4 R4.7K L4 L4 L4 L4 P L L L L P R7 6 R 6 GND LNAN RFGND LNAP 4 GND GND 6 MOD 7 SN 8 S LK 9 SDIO 0 RLK VIO Dvd d GND 4 Rout Lout 6 GND 7 Avd d 8 GPIO 9 GPIO0 GPIO GND 4 U4 RDA807P D7 RLS 448 D FM-SD IO.7 68KH z P P6 P7 P90 4 P9 P9 6 P9 7 P94 8 P9 9 P96 0 P97 P7 P6 P 4 AVDD RXO 6 RXI 7 MII 8 MIO 9 ON 0 PLL G DAO/P67 MX/P66 4 AURX/P6 MP/P64 6 MP/P6 7 MP/P6 8 OSI 9 OSO 0 VSS RS VDD P77 4 P76 P7 6 P74 7 P7/IN 8 P7/IN 9 P7/IN P70/IN0 4 P0 4 P 4 P 44 M78P68-44 I8 80 0P R88 0K R P 8 0P R860 0K 84 04P D8 SS P R86 60K R8 0 VOX R8.768KHz 848 7P 88 0P 89 0P 84 04P L8 H00nH 8 F77 R8 K R8 68K R8 00K 8 04P 84 04P 849 7P R88 ANSQL A est/ld-rs ARX FM-SDIO SS/DS/UN MI-VOX one/eep/mi MU RXI X/RX-U P_SPK RD/XD GRN X/RX-V AP S-V N N P/RXD L 84 04P PLL-L AP S-V X/RX-U SS/DS/UN MI-VOX A est/ld-rs FM-SDIO ANSQL X/RX-V P_SPK P/RXD R XI RD/XD D D D D4 LD-S JP8 JP0 A L LD-S D4 (H6-WR) (H6-DAA) K K K K4 D D D A RP8 ROM-DAA/N/W/ROM-WP ROM-DAA/N/W /ROM-W P R P RP8 A est/ld-rs 80 00P 8 00P 8 00P 8 00P PLL-L K K K K4 D D D D4 L S-U R8.768KHz.768KHz R87 A0 A GND 4 DA K 6 A WP 7 Vcc 8 U8 464 R89 0K R89 86 P 8 0P R80.K 8 0P R8 0K R8 0K R88 00K 84 04P D ROM-DAA/N/W/ROM-WP D D D8 8 0P 8 04P R86 47R Q/DQ-/Voice-usy Q/DQ-/Voice-usy (ROM-LK) (Voice-LK) ROM-DAA/N/W D8 RLS448 R88 0K ARXout OS 4 GND Vout VDD Data 7 usy 6 Reset LK 8 U8 VOI Voice-Data D (Voice-LK) D84 GRN D8 RD R8 R8 8 D4 84 D4 R8 R8 89 0P 88 RD/XD GRN one/eep/mi MU R84 K 8 0P R84 K 84 R P 88 68P R844.6K 8 S46 R846 9K R84.6K R80 0K 87 04P 89 0P R 80 04P 87 04P R80 R89 R848 K R84 00K 86 P 87 04P MOD 8 0P 8 0P 8A D0874O D0874O D0874O D0874O R8 R8 ARXout 8 D4 MI MU R P R849 K No No N N MOD ARXout MI MU S-U R8 K R84 K MI+ MI+ R86 K 86 D4 GRN 8 0P Q/DQ-/Voice-us y R84 K Q/DQ-/Voice-usy RS D96 LD R96.6R 96 S7 R P A L R8 K R84 K FM-SDIO/Voice-Data R96 R97 OS OS OS OS GND GND V V V V V V V4 V4 V V RS RS R/W R/W V V D0 D0 D D D D D D D4 D4 D D D6 D6 D7 D7 OM OM OM OM4 4 OM OM6 6 OM7 7 OM8 8 OM9 9 OM0 0 OM OM OM OM4 4 OM OM6 6 SG S SG S SG S SG4 S4 SG S SG6 S6 SG7 S7 SG8 S8 SG9 S9 SG0 S 0 SG S SG S SG S SG4 S 4 SG S SG6 S 6 SG7 S 7 SG8 S 8 SG9 S 9 SG0 S 0 SG S SG S SG S SG4 S 4 SG S SG6 S 6 SG7 S 7 SG8 S 8 SG9 S 9 SG0 S 0 SG S SG S SG S SG4 S 4 SG S SG6 S 6 SG7 S 7 SG8 S 8 SG9 S 9 SG S L L L L M M D D U6 HD44780 OM9 9 OM0 0 OM OM OM OM4 4 OM OM6 6 SG S SG S SG S SG4 S4 SG S SG6 S6 SG7 S7 SG8 S8 SG9 S9 SG0 S 0 SG S SG S SG S SG4 S 4 SG S SG6 S 6 SG7 S 7 SG8 S 8 SG9 S 9 SG0 S 0 om om om om4 4 om om6 6 om7 7 om8 8 SG S SG S SG S SG4 S 4 SG S SG6 S 6 SG7 S 7 SG8 S 8 SG9 S 9 SG0 S 0 SG S SG S SG S SG4 S 4 SG S SG6 S 6 SG7 S 7 SG8 S 8 SG9 S 9 SG S LD6 LD-HD44780 R6 9K R6.K R6.K R64.K R67.K R68.K R6.8K R uF 69 0P L6 00nH LD-RS LD-S D D D D4 S6 M NU M NU M NU M NU S6 > S6 < S6 S64 S6 S64 * S6 4 S66 S6 6 S66 0 S67 7 S68 8 S67 9 S68 # 68 00P 67 00P 66 00P 6 00P R6 6 D4 R6 R66 D6 LD D66 LD D6 LD D6 LD A D D D D4 K K K K4 L K K K K4 Do Do Do D4o 64 00P 6 00P 6 00P 6 00P S6 XI XI XI XI JP6 JP0 A L D4 K K K K4 D D D R8 R8 8 D4 8 0P R84 K L D8 LD 69 A/ A/ A/ A/ LD-RS LD-S 60 0P R69 K 68 U/V U/V U/V U/V MI+ MI6 MI SP64 SP SP SP SP 64 0P SP+

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