Service Manual - R6 RU4 Montesecchieta
Contents
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4. 94 88 2 2 Te 870 858 e0 n 5 xu _ Z0 H set E cr o Leld 5
5. Ear ANT 1 52V ET ATT OFF 0 94V DBL ON 1 62 pa 1 87V 2 84V 1 87V 2 06V 0 97 2 94V 25811307 8 wa2z720 c2761 10020 e 02 lt r m 6 38 T ABAR 3V m 1 d 155398 T 25022168 D zk e 9 551 25 C214 811 ST D 788 DAN235E H3 PREH I 14 D 0 1 30 BP1 55 a ue 28 ou 62 aie T cs 1 1 08 BP1 0 7V BP2 2 86V Ss BP2 1 1V 94515421802 55 22 E ABAR SBAR 0V 150308 69 5 U 2 2V 2106 55 118V 2 96V Et 8 883 185 2 74V 12 8V gt Ae 97024 9 BAREBAR re7s resru 5 8 BP2 0 7V p 2249 Hd 14V 3V s 8123056 BP3 1 07V A SI 88 SEE 28 3333383353 BP3 0 7V 2 H sie 6 cus ES Ws 69 Eu Be 52 BP4 1 08V s m sur LS 223 3 Bel 89 19 158 3 je ue H 8 02 19 98 KE ht el EES 6922 BND5 601 VAL 55 58 288 g 558 55 ES 2588 LJ SC ON sls don BH 15V 4358 8 8 Nar ss 2M L e WE BP5 1 07V 58 AM 2 86V 2 368 470 8 5
6. 3 jm I e 0 n Gei 0414 R188 8190 Fa R189 o 1 Cs A AN i 5 T W2 30BH1 045 H1 Sc cze to BLACK WIRE ud 3 C199 59 a pl SPEAKER RED WIRE ES 51 d E x de cl D o ca Mel ty C181 dL n AE So 2 8122 C142 128 95 r 160 7 NIE 028 z E um a BE 025 9n Late SE R148 NATURAL WIRE E 2 Palo amp 55 ar i5 1 212179 ms zi to Cal6 lel Rigi amp TT eck Uu o x 15 9 8 A calz 042 en Om 1 S pas O amp 5058 K Ya BAR ANTENNA RED WIRE n 2 1 cisa DEI 5 AND 1 RECH T 5 882 y mise s Clin os gt a RE 6207 o x k iu ols E JURT M 050 Aa Ce C93 TO 55 1 A 122 5 C222 R82 054 cisg Ka C67 D M y a flag E EU C157 le 55 N a 0 R61 SE 2 2 e 162 T R134 289 ea i ax cesio EEE 11 x C174 5 gt 804 css GT E SE R145 Ga 2201 175 of e Bla SE x SE HHHHHHHHHH aee oa Sel on gm SU Ls al fa R56 IP j e 128 o 1 C
7. Check if can hear the BEEP sound SQL level 5 Adjustment Display 4nF Input the 290 15MHz 2dBu standard modulation and press the SCAN key Check if can hear the BEEP sound Item Adjustment Content Specification Reference Adjust the TC1 to 391 05MHz Frequency 391 05MHz Adjustment Display FrE9 Adjust Point TC1 100Hz Check Point TP2 AF output AF maximum output Display FrEq More than Adjustment Input the 142 6MHz of 30dBu to the test unit which 20mw 8Q modulation is 1KHz 3 5KHz and adjust the L40 to become maximum AF level Adjust Point L40 A side of main board Stereo Pilot Frequency Adjustment Display pLt F Adjustment Input the 90 5MHz of 30dBu no modulation and adjust the 76KHz VR1 to 76KHz of the Pilot Frequency Connect the 1KHz Ear phone plug when adjust this item Adjust Point VR1 Check Point TP15 SQL SQL level 1 Adjustment Display 1n1 Adjustment Input the 14 3MHz of 8 standard modulation and BP1 press the SCAN key Check if can hear the BEEP sound when press the SCAN key SQL level 5 Adjustment Display 1nF Input the 14 3MHz of 2dBu standard modulation and press the SCAN key Check if can hear the BEEP sound when press the SCAN key SQL SQL level 1 Adjustment Display 2n1 Adjustment Input the 109 15MHz of 10dBu standard modulation and BP2 press the SCAN key Check if can hear the BEEP sound when press the SCAN key SQL level 5 Adjust
8. P24 SEG2 33 P25 32 P26 31 P27 Vee Vss VREF 29 AVss 28 lt 4 27 4 5 P7o Xcour COM 75 26 ap P71 XCIN COM 25 RESI COMo 24 4 P4o Vu 41 2 gt 79 lt gt P42iNTo 3 Terminal function of CPU Battery input P66 Stereo Monophonic RES R E push key SQ Squelch input S meter input AF power supply Band3 SW 60 Band6 SW BND2 Band2 SW BND4 Band4 SW BND5 Band5 SW BND1 Bandi SW Antenna SW SBAR Antenna SW RE2 Rotary encoder input E1 Rotary encoder input RX SW Antenna SW Clone TX Clone RX Power key U Backup interrupt Beep output Jack state input S Reset interrupt EEPROM clock EEPROM data Clock input XOUT Clock output SEG22 SEG SEG21 SEG SE 09 gt 21110 o H of of Of AT UJ 2 2 g ml ol A AE gt ZK SS ETE Sq x EC A lt ND Key input Key input Key input Key input Key input Clone SW DAC strobe Data Unlock Soo al sl o S L Ulo gt Si 2 B ol 2 gt gt 1899 5 18 80449 4000 90000000055 0 2 3 4 2 6 ma 8 9 10 11 12 13 14 15 16 17 18 19 20 E 22 23 24 25 ES 27 28 29 30 2511 32 33 34 35 EJ E 38
9. aa 2 5 11 213 a s Mm Shey GA 5 EAR SP 0V S 3V Ear 0V SPL Ear 3V wie d 55 N Mw 18 25 550 W2 Rod on 186 BE N VAL C7 SP 0V X3E M38224M6H 161HP M38227ECHP OTP X3T SP 1 43V X3T Ear 0V BLOCK DIAGRAM DBV LL WHIP ANT RV BND1 BND1 BND1 DEV DBV p DOUBLER DEV PIV PIV UE Q13 2SC4738 Q52 DTC143TE D4 1SS390 043 155390 9 IC3 uPC2757T A 4 4 SC x2 1st LO p 1st LOCAL 8 13 or SWD WHIP ANT sw sw ATT SW 0 1 30SW RF AMP BAND SW 151 MIX DBL SW DBL SW BUFFER LOOP FIL 5 T gt WHIP SW D ANT SW PF 1 NEEN lg PL 1SV308 2 1 30 15 25 15 3 D11 DAN235E DAI E 11 5i D19 15V308 015 25 5066 D17 15V308 D13 DAN235E 011 25 5066 09 2505066 1 Q10 2SC5066FT D15 MA2S357 ABARY ASW ASW 5 e Sek RV D16 MA25357 EAR 01 15 3 8 V EAR GND CLK STB1 DATA UL a DEAR
10. 39 40 Terminal SEG20 SEG19 SEG18 P12 P11 P10 7 Sig 5 O Description mm 92 j Of lt gt G CD a pen 2312 136 POS P04 2 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEGA SEG3 SEG2 SEGO ol al ol ol cl cl co m m m mi rm o 9 gt fo Ee e EE ES ol E o S n OY Of Of A OY 1 61 16 rri rri T mim 6765 oo ol ol Q lt 122 Eo 5 gt N 4 DI Or Or Ou Af Af Af Af Af Of Af 5 1 Al P Af A CO CO NI ff Po N Ou PO CO l 4 D Of gt Go ro O Of If 6 o1 gt Go Po of N lt 4448 3 6 SEMICONDUCTOR DATA 1 uPD3140GS E1 XA0312 80 550MHz Dual PLL Synthesizer Specifications Operating frequency 200 400MHz Vin 12 0dBm 2 and 19 input 80 550MHz Vin 8 OdBm 2 19 input Consumption current 2 7 4 1mA Vcc 1 8V while 1 channel is used 4 3 6 6mA Vcc 1 8V while both channels are used 0 10 Vcc 1 8V in power save mode 3 5 5 3mA Vcc 5V while 1 channel is used 5 6 8 6mA Vcc 5V while both channels are used Operationg voltage
11. 6 11 912 A c I ec 5 1 I o A M mi 841215105 cL p 518 951 EE E ng M 5 IO e Slc DI E a2181 a 9 EB 59 SI ae 6 B PS O Et 8122 peel MAN B3 quo ek m 2 O a A Steg teat p 1 226 511306 Z T OO D des S SEH E ges nH S mo oneeo oe sgg 6 5 Ag gg 528 FR OI a 5 c EE 2e 69H m 2 9 13 gt d T 74 5 2 iD aa Ur bat be 110 coi a O d 82H WJ OL Kei 82 2 51 ho 20 um mk Er 49H s ku God MT s oL bo a x 299 x S 2612 Wa Sor 9 O CL 8 O o gt a 3 Es in 4413 Sp n 3 E gt ome O m Les En dJ l X 921H x ad HHH 92 62 6618 o AR 9618 Sp H gue a r619 8025513 gis 589 Ol O 5 CN 670 9612 on 53 4 2 E RW LY z cS 1 p Oz a E u es ae SP 1 K OX P A n d 5 am LL ER Maler 51519 L 2 V 061 E ura 019915 9 Zorn 28 N33HO 20 020 z050e LOEM CO v 4 e mM E 506
12. 1 8 5 5V Block Diagram GND1 A IN2 VCC2 Data Interface Program XB Latch Counter 2 Crystal oscillator circuit Reference Counter 3 GND2 D CP2 FL2 FO2 Terminal Connection 6 IN2 VCC2 XB XI XO GND2 D CP2 FL2 FO2 2 TC4W53FU XA0348 Pin Assignment COMMON VDD INH cho VEE cht VSS A 3 NJM2904V XA0573 Block Diagram LOGIC LEVEL CONVETER Dual Single Supply Operational Amplifer 4 CXA1622M P XA0787 Pin Assignment Top View Block Diagram EL 0 0 9 0 0 G C b AOUTPUT INPUT GND B INPUT B INPUT B OUTPUT V 5 MB88347LPFV G BND EF XA0599 D A converter for digital tuning Block Diagram DI CLK DO 01 D2 03 D4 05 06 07 08 09010 Dit DO SARAN LD Vss GND REE EES o T o 0 i SE 8bit R 2R D A Converter AO4 CLK LD DO AO7 9 Vcc Vee GND _ 77 55 7777 Vpp Vss Serial data input terminal Input 12 bit serial data Do not leave it open 11 The MSB bit data of 12 bit shift register is output at the falling edge of CLK 13 CLK Shift clock input terminal The input signal of DI terminal is input to 12 bit shift register at the rising edge of clock shift Do not leave it open When LD terminal is High the value
13. 22V 1 DEENEN 8545771022 58521125813 ug 8126 2 9V e 1 5 1 17 slalsisl z WoT TF oa pt al sus We uis 5 555 sal CCS SEN BP5 1 84V a Nav e 4 R140 W 0V DCH T Yok BP5 2 65V M E 5 BP5 0 7V s 9 Bar BP6 2 54V BP6 1 83V ZEE 28 EN Ss 0 94V DTC143TE W 0 85V 026 55 P AN 552 El preraste 145V 4 5 ui 78 1300 Give Tel ms a A E amp Ss as 470 1 2V BIV er dn SD 88 av A S A iz q 9s slz 6205 ege gt uo B 1945 2 5 S511327 515 2 65 58 3V 2 2ScseserT VEN 868 NS NS SES L be EC 198 C184 R167 R 9 1 25V ass IE do ud goi 27 e 8 Zu e n AR SCH 2 220K Bra 8 Y G R Fu gs 8 d 8 Z E N 5 L BP6 1 63V 22 en RIBS EEN E n FE A m Eed BP6 0 7V e ay 12 15 99 Dijk EP 9e Le EE E 2 531 r 8 J SP 1 55V 55 Ear 0V ov 88 Zar ve ET C14 85 s LL Tes o Vi P di m RER MED R7 1 d 1 os 5 19 1 KI I 981 198 s 8 s gl 8 82 EN g 5 SC 1 7V 1 BST e d 72 2 2 3 8 amp
14. Diode 1SV308 TPH3 Coil 5CDM 658AN P3 Diode 1SS390 TE61 Coil LL1608 FH56NJ Filter WF447A SAW FILTER Coil LL1608 FH56NJ Filter CFUCG450E TC Coil LL1608 FH5N6S Ic Coil LL1608 FH3N9S Ic Coil LL1608 FH5N6S Ic Coil LL1608 FH10NJ Ic Coil LL1608 FH12NJ Ic S 81230SG QB T1 Coil Ic TK10931VTL Coil Ic M38227ECHP OTP X3T T Coil Ic M38224M6H 161HP LCD Ic TA4101F TE12L Transistor Ic TC4W53FU TE12 Transistor 25 1132 1000 S 80828ALNP EAR T2 Transistor 2SK881 Y TE85R Ic BR24C64F E2 Transistor DTC143TE TL Ic NJM2904V TE1 FET 2SK1580 T1 Ic LA3335M TE L Transistor 2SC5066FT Y TE85L CXA1622M T4 Transistor MB88347LPFV G BND EF FET NJM2107F Transistor 2SC5066FT Y TE85L Transistor 2SC5066FT Y TE85L HEC2781 010020 Transistor 2SC5066FT Y TE85L HSJ1493 01 010 Transistor DTC143TE TL LL1608 FH8N2J Transistor 2SC4738 BL TE85R LL1608 FHR10J Transistor 2SC4738 BL TE85R Transistor 2SC5066FT Y TE85L 2 EJ470X Transistor UN911H TX X Transistor 2SC5066FT Y TE85L i Transistor DTC143TE TL Transistor 2SC5066FT Y TE85L Transistor 28C5066FT Y TE85L Transistor 28C5066FT Y TE85L Transistor 28C4738 BL TE85R Transistor 2SC5066FT Y TE85L Transistor DTC143TE TL Transistor 28D2216R TX FET 2SJ144Y TE85R Transistor 2SC5066FT Y TE85L Transistor 1111 Transistor 1111 Transistor 1111 Transistor DTC143TE TL Transistor 2SC5066FT Y TE85L Transistor UN911H TX Transistor 12
15. Pacage Inner DJ S40Z 10 Inner DJ S40Z Carton Protection bag Label N 13x13 Label E 10x49 Belt clip unit ADJUSTMENT 1 How to enter the adjustment mode Press the key like the below after Key Lock BANK gt SCAN gt V P M gt BANK gt V P M gt SCAN 2 Adjustment Display Memory Content Adjust point FrEq Frequency Adjustment TC1 FrEq Maximum AF output level Adjustment L40 PLt F Stereo Adjustment 1n1 BP1 Squelch level 1 Setting SCAN key 1nF BP1 Squelch level 5 Setting SCAN key 2 1 BP2 Squelch level 1 Setting SCAN key 2nF BP2 Squelch level 5 Setting SCAN key 3n1 BP3 Squelch level 1 Setting SCAN key 3nF BP3 Squelch level 5 Setting SCAN key 4 1 4 Squelch level 1 Setting SCAN key 4nF BP4 Squelch level 5 Setting SCAN key 5n1 BP5 Squelch level 1 Setting SCAN key 5nF BP5 Squelch level 5 Setting SCAN key 6n1 BP6 Squelch level 1 Setting SCAN key 6nF BP6 Squelch level 5 Setting SCAN key 351 S meter level 1 Setting SCAN key 3SF BP3 S meter level 5 Setting SCAN key Wn1 WFM Squelch level 1 Setting SCAN key WnF WFM Squelch level 5 Setting SCAN key ws1 WFM S meter level 1 Setting SCAN key wsF WFM S meter level 5 Setting SCAN key dSPv Reduction Battery Display Setting SCAN key bUGvoL Wiretapping Detector Sound Volume Setting SCAN key When want to change the display press the V P M key or BANK key 27
16. Tantal Chip C Chip C Chip C Chip C Chip C Chip Tantal Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip Tantal Chip C Chip C Chip Tantal Chip C Chip C Chip C Chip Tantal Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip C Chip Tantal Chip C Chip C Chip C Chip C GRM36CK020C50PT TMCP1C105MTR GRM36CH220J50PT TMCP1D224MTR GRM36CH101J50PT GRM36CH221J25PT GRM36CH221J25PT GRM36CH101J50PT GRM36B102K50PT 4MCM226MATER GRM36CK020C50PT GRM36B102K50PT GRM36CH220J50PT GRM36B102K50PT GRM36B103K16PT C1608JB1C104KT N GRM36B102K50PT GRM36CH221J25PT GRM36CH180J50PT GRM36CH090D50PT TMCMB0G686MTR GRM36CJ030C50PT GRM36B223K16PT TMCP1C105MTR GRM36CH221J25PT GRM36B103K16PT GRM36B102K50PT 16MCM156MB2TER GRM36B103K16PT GRM36CH680J50PT GRM36CH680J50PT GRM36CH270J50PT GRM36B103K16PT GRM36CH330J50PT GRM36CH560J50PT GRM36CH330J50PT GRM36B103K16PT GRM36B103K16PT GRM36B103K16PT GRM36B103K16PT GRM36CH040C50PT GRM36B103K16PT GRM36B103K16PT C1608JB1C104KT N GRM36CH150J50PT GRM36CH080D50PT C1608JB1C104KT N GRM36B102K50PT TMCMC0G107MTR GRM36B102K50PT GRM36B102K50PT GRM36CH120J50PT GRM36B102K50PT 21 Chip Tantal Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Ta
17. audio signal doesn t have a pilot signal each audio signal is output from pin 9 and pin 10 to pin 1 and pin 16 of the audio amplifier IC14 equipped with the electronic volume After the volume is adjusted the signal is output from pin 7 and pin 10 to drive the speaker etc When the input signal has a pilot signal each audio signal is output L side signal is output from pin 9 and R side signal is output from pin 10 Then the signals are input to the audio amplifier IC 14 equipped with electronic volume L side signal is input to pin 1 and R side signal is input to pin 16 After adjusting the volume the signals are output the L side from pin 7 and the R side from pin 10 to drive the speaker etc VCO for the 1st local consists of the Colpitts oscillator D15 D16 and L4 determine the frequency and the signal is oscillated at the transistor Q9 The oscillated signal is supplied to pin 2 of PLL IC1 passing through the buffer amplifier Q11 and Q10 VCO for the 2nd local consists of the Colpitts oscillator D20 D21 and L15 determine the frequency and the signal is oscillated at the transistor Q19 The oscillated signal is supplied to pin 19 of PLL IC1 passing through the buffer amplifier Q20 PLL IC1 is used to control the oscillating frequency of VCO IC1 is controlled by the serial control signal sent from the microprocessor IC7 The reference frequency of 12 8 MHz is generated by oscillating the crystal oscillator X1 inside the circuit I
18. of shift register is loaded decoder and D A output register Do not leave it open Fix to Low when no data is transited 8 bit D A converter output terminal with operational amplifier NOOO MCU interface power supply terminal of operational amplifier MCU interface ground terminal of operational amplifier Reference power supply High input terminal of D A converter Reference power supply Low input terminal of D A converter ee 11 6 TK11816M XA0665 Pin Assignment Block Diagram Start up Circuit Oscillator Ref Voltage Feed back control 7 TK10931V XA0666 Pin Assignment BLOCK Diagram Top View 1 1 430 Nd LNdNI LAdLNO JH D a oso 12 8 TA4101F TE12L XA0667 Pin Assignment Block Diagram 1 2 3 4 1 IF OUT 5 2 Vee 6 BASE 3 5 7 GND 4 BASE 8 COLLECTOR 9 S 80828ALNP EAR T2 XA0834 Pin Assignment Top view 4 3 1 OUT 2 3 4 Vss 1 2 Block Diagram OUT 13 10 BR24C64F E2 XA0669 Block Diagram ADDRESS SLAVE WORD DECODER ADDRESS REGISTER H CONTROL CIRCUIT ACK VOLTAGE DETECTOR Pin Assignment Vee WP SCL SDA BR24C64 F AO 1 2 GND 11 S 81230SG QB X XA0833 Pin Assignment Block Diagram NC NC GHO 12 2757 XA0743 Terminal Co
19. 0MHz 128 SINAD 550MHz or over OdBu 124 SINAD WFM 76 770MHz 13dBu 12dB SINAD more than 220mW 8Q CIRCUIT DESCRIPTION 1 Receiver 1 RX Method Triple Super Heterodyne Method 15 248 45 2 2nd IF 38 85 2 450KHz 2 Front End 0 1 29 995MHz 30 136 995MHz 137 222 995MHz 223 367 995MHz 368 469 995MHz 470 129 995 MHz 3 Mixer The 1st Mixer The signal input from antenna is switched at band switch D19 passing through the low pass filter it is amplified at RF amplifier Q15 Then the signal is added to the 1st mixer IC3 through the band switch D17 The signal input from antenna is switched at band switch D23 passing through the band pass filter it is amplified at RF amplifier Q21 Then the signal is added to the 1st mixer IC3 through the band switch D22 The signal input from antenna is switched at band switch D27 passing through the band pass filter it is amplified at RF amplifier Q23 Then the signal is added to the 1st mixer IC3 through the band switch D26 The signal input from antenna is switched at band switch D29 passing through the band pass filter it is amplified at RF amplifier Q27 Then the signal is added to the 1st mixer IC3 through the band switch D28 The signal input from antenna is switched at band switch D32 passing through the band pass filter it is amplified at RF amplifier Q32 Then the signal is added to the 1st mixer IC3 through the band swi
20. 22 by BP mo ols EE LL Q3H LH 020 LHHOE COEM 3 S 812 o 49 2 5 HIM MOV18 0 0 806 EOEM D Zea in z 6122 N SC coc es d Ps 95 Le 8 al B B bY 2 5 er M cg W Ze AA EB E W IH E 88 Cp 0022 EN B in O e 2 m CH zjn ao 69 5 5 9022 ED 2 DJ X3T X3E Side B S 31 SCHEMATIC DIAGRAM
21. 4 pig 651 nsi 2 Re Ill a 95 8 176 st EN 1 042 a 28 L2 Q S T 916 E 1 EB a I 088 26 Sm R72 O SEI 117 cep x bm 822 P x x 3 lt we of o O L L V 0 C46 o 29 0 Se aa 86 o wl I 014 C37 cado Jd om d 1 e ae R51 015 qom 0 CN le L FA Ge mpg ae 091 K J pest DE d R168 ETO 0 7 8180 czom R44 R29 Reg x pesd E Sla LE C27 o H Died H RSS o 521 0 16 9 012 L8 LO C48 ip KEN Goal S y o C24 TAT CD lt m cc d 616 5 J D Jolad olm R12 Ceo b m be ISEEN om u 106 R77 e o Ries amp t cao 5 m o E TT 3 B ee 015 RIS a i Q5 N H Ege olol gn Q1 amp R24 GK g BLACK WIRE c58 T 1 R16 o PD45 t 04 0 lt gt RED WIRE F gt J PTT BOARD mmm 7 GREEN WIRE 18 A 5 102 101
22. 502216 Transistor DTC143TE TL Transistor DTC143TE TL Transistor DTC143TE TL Transistor 28C5066FT Y TE85L Transistor XP1501 TX Transistor 25 1132 1000 Transistor FET Transistor Transistor Transistor Transistor Transistor Transistor Transistor DTC143TE TL Transistor UN911H TX Transistor DTC143TE TL Transistor DTC143TE TL FET 2SK1580 T1 Transistor 12502216 Chip Chip Chip R Chip Chip R Chip R Chip R Chip Chip R Chip R Chip R Chip R Chip R Chip R Chip R Chip R Chip R Chip R Chip R Chip R Chip ERJ2GEJ104X ERJ2GEJ470X MVR22HXBRN103 SX 2112 CSA 309 4 194304MHZ RE63SM113 38 850MHZ VCO 5 25 TS0167 VCO CASEA UP0426 PCB Packing EA0081 PS0384 26 DJX3 INTEGRATED REFLECTIVE SHEET DIFFUSION SHEET LCD HOLDER LCD LIGHT SKQGAA 30G02 020 02 30RH1 020 H1 30BH1 020 H1 30BH1 045 H1 28AH1 020 H1 DC CAP T032S23A0000 TERMINAL RUBBER RND N7X0 75 BR B ZN FUNC RUBBER LCDTAPE ANTENNA NUT XH720 REAR CASE KEY RUBBER RF SHIERD TERMINAL R TERMINAL L VOL NOB X3 LCD PANEL FRONT CASE OPH P 1 7 5 5 FE NI3 2 ANTENNA cushion ANTENNA EA96 ANTENNA EARTH OPH P 1 7 4 FEBC3 Cushion A SP cushion LECTRA 7800 SMA 19 16 3TGG OPH M2 2 5 EEN Parts Name Antenna Instruction Manual Ver Warranty Spec sheet Serial seal FCC homeuse label FCC warning label
23. 5390 P2C 65 6 0 8 BND2V lt 4 BND2 SW P2 SW 13V or CN 4 2 DC DC 4 13V SW e REGULATOR 6 C _ gt CONTOROL SIGNAL PIV DC IN BND4V 4 BND4 SW BND4 DB Sw DBC ES 7 EA i 8 4 08 SW 4 ABAR VDD _ gt _ 016 155566 SBAR CONTOROL VOLTAGE Q12 DTC143TE 047 1111 BND3 ove 13V OFF SW 65 0 BND3V amp BND3 Sw lt E BND6V lt BND6 SW i BNE 5 029 1111 T PIV4 FILTER 4 PLL SW B i for 2nd VCO SW PLLC 01 25022168 044 1111 01 155390 PI 4 lt ATT SW 5 x Q31 DTC143TE SCCV 4 SCC SW SCC Q41 UN911H ASW 4 ANT SW l ASW i C3V e e 33 ALINCO INC Head Office Shin Dai Building 9th Floor 2 6 1 Chome Dojimahama Kita ku Osaka 530 0004 Japan Phone 81 6 4797 2136 Fax 81 6 4797 2157 E mail export alinco co jp Dealer Distributor Copyright 2000 Alinco Inc Osaka Japan Printed in Japan PM0064
24. 7 PNN os AA AIP B YS 77 JA 8 0 5 g Ve 20 PARTS LIST MAIN Unit Chip Chip Tantal Chip Tantal Chip Chip Chip Chip Tantal Chip Chip Chip Chip Chip Chip Tantal Chip Tantal Chip Tantal Chip Chip Chip Chip Chip Chip Tantal Chip Tantal Chip Chip Chip Chip Tantal Chip Chip Chip Chip Chip Tantal Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip C104KT N GE C104KT N C1608JB1C104KT N C1608JB1C104KT N C1608JB1C104KT N GRM36B102K50PT GRM36B102K50PT GRM36B102K50PT GRM36B102K50PT GRM36B102K50PT GRM36B102K50PT C1608JB1C104KT N TMCMB0G686MTR TMCMC1C476MTR GRM36CHO50C50PT GRM36B103K16PT GRM36B102K50PT 4MCM226MATER C1608JB1C104KT N GRMS36CH120J50PT GRM36CH100D50PT GRM36CH390J50PT GRM36CH101J50PT TMCP1C105MTR TMCMBOG686MTR TMCP1D104MTR GRM36B102K50PT GRM36B103K16PT GRM36CKORSC50PT GRM36B102K50PT C1608JB1C104KT N TMCP1C105MTR 4MCM226MATER GRM36CH101J50PT GRM36B102K50PT GRM36B102K50PT TMCP1D104MTR GRM36B102K50PT GRM36B103K16PT C1608JB1C104KT N C1608JB1C104KT N TMCP1C105MTR C1608JB1C104KT N C1608JB1C104KT N GRM36B103K16PT GRM36CH220J50PT GRM36B103K16PT C1608JB1C104KT N GRM36CK020C50PT GRM36CK020C50PT GRM36CK020C50PT GRM36B102K50PT C1608JB1C104KT N Chip C Chip Tantal Chip C Chip
25. ANT SW 30 137SW S RF AMP BAND SW D I PLL E ger N FL 2 248 45MHz 4 DE x SEGO SEG22 023 155508 30 137 021 25 5066 022 15 308 EE B COMO EARV 30 137 e 12 8MHz VDD V P M BANK ASW BND3 BND3 BND3 Pav PLLV e P25 P27 P43 BAR AN H Y Y V 4 137 2235 pem RF AMP BAND SW 2nd MIX and 10 BUFFER 2nd LOCAL OOP FL 4 BND2 BND3 D44 DAN235E Q3 2SK881 08 15V308 Ka IC4 uPC2757T vco2 BNDS BND6 TEE 55225 GK 555555 ecl RC DBC ATT 027 15 308 023 25 5066 D26 15V308 020 25 5066 019 25 5066 E BAR ANT SW gt BUFFER BAR ANT SW 137 225 4 020 MA2S304 ASW EAR SCT STB1 VDD RV D21 MA28304 BND4 BND4 BND4 AFPC S M CLN pasen z ABAR SBAR C3C ABARV ABARV ABARV AN 1 SBARV SBARV 223 368SW RF AM BAND SW s CPU EE 029 15 308 223 368 027 25 5966 028 15 308 Q25 28D2216R 2 ViD 3rd LOCAL 8 6774458224 BND5 BND5 BND5 AGC AME 3 St IN OUT x AMC DATA UL CLON BU RESET rm IN RESET IC 2 SMT SQL JKDT a ul A RV 12 8x3MHz SQL 368 470SW ech RF AMP BAND SW FW 032 15 308 368 470 032 25 5066 031 15 308 V XF1 38 85MHz Y 9 v i Q34 2SD2216R Y FMV x BND6 BND6 BND6 FM SW FM SW IF AMP F C FM SW AF AM SW MONLFUNG FMV D24 DAN235E D25 DAN235E Q22 2SC4738 BIR IC9 TC4W53FU FM WEM AM MywFw 2 5 5 Ly FMV x 1470 13008 pm RF BAND SW E 255 ae 5 D37 45 15
26. C1 compares the frequency gained by dividing the signal added to pin 2 of IC1 by the control signal from IC7 with the frequency gained by dividing the reference frequency of 12 8 MHz inside IC1 When the phase difference is found as a result of phase comparison the pulse signal is output from the charge pump output of pin 8 of IC1 then the signal is converted into the DC voltage at the active filter Q13 and Q14 and added to the cathode side of VCO The 2nd Local vari cap D15 and D16 to make the phases equal In result the stabilized oscillation can be done at the desired frequency compares the frequency gained by dividing the signal added to pin 19 of by the control signal from with the frequency gained by dividing the reference frequency of 12 8 MHz inside When the phase difference is found as a result of phase comparison the pulse signal is output from the charge pump output of pin 13 of IC1 then the signal is converted into the DC voltage at the inside circuit for active filter and added to the cathode side of VCO vari cap D20 and D21 to make the phases equal In result the stabilized oscillation can be done at the desired frequency 2 M38224M6M E XA0862 T XA0836 CPU Terminal Connection TOP VIEW SEGs 61 40 4 gt P16 SEG30 SEGs 39 ap P17 SEG31 SEG7 38 P20 SEG6 37 lt gt P21 36 P22 SEG4 35 P23 SEGs 34
27. CH080D50PT LMK212BJ105KG C1608JB1C104KT N GRM36CK020C50PT TMCMB0G686MTR C1608JB1C104KT N GRM36CH390J50PT GRM36B102K50PT 4MCM226MATER TMCMB0G686MTR GRM36B103K16PT GRM36B103K16PT LMK212BJ105KG TMCP0J225MTR LMK212BJ105KG GRM36B223K16PT GRM36B223K16PT TMCP1C105MTR C1608JB1C104KT N C1608JB1C104KT N C1608JB1C104KT N TMCP0J225MTR TMCMB0G686MTR C1608JB1C104KT N GRM36CH101J50PT GRM36B682K25PT GRM36B682K25PT C1608CH1H221JT AS GRM36B102K50PT GRM36B223K16PT 1SS362 TE85L 1SV308 TPH3 MA2Z720 Diode LQW1608A15NJ00 Diode Coil Diode 1SS362 TE85L Coil Diode Coil Diode Coil Diode Coil Diode Coil Diode 1SV308 TPH3 Coil Diode 1SS390 TE61 Coil Diode 1SV308 TPH3 Coil Diode Coil LQW1608A27NJ00 Diode Coil LQH4N102K04 Diode 1SV308 TPH3 Coil LL1608 FSR18J Diode 1SV308 TPH3 Coil LL1608 FHR10J Diode DAN235E TL Coil LL1608 FHR10J Diode DAN235E TL Coil LL1608 FSR22J Diode 1SV308 TPH3 Coil LL1608 FSR12J Diode 1SV308 TPH3 Coil LL1608 FSR22J Diode 1SV308 TPH3 Coil LK16081ROK T Diode 1SV308 TPH3 Coil LL1608 FH56NJ Diode MA2S728 TX Coil LL1608 FH68NJ Diode 1SV308 TPH3 Coil LL1608 FH39NJ Diode 1SV308 TPH3 Coil LL1608 FH27NJ Diode Coil LL1608 FHR10J Diode Coil LL1608 FHR10J Diode Coil LL1608 FH27NJ Diode Coil LL1608 FH15NJ Diode Coil LL1608 FH27NJ Diode Coil LL1608 FH18NJ Diode Coil LL1608 FH56NJ Diode Coil LL1608 FH56NJ Diode Coil LL1608 FH15NJ Diode Coil LL1608 FH8N2J Diode Coil LL1608 FH15NJ Diode Coil LL1608 FH12NJ
28. DJ X3 www r6 ru4montesecchieta it izSccv Service Manual CONTENTS SPECIFICATIONS 1 GENERAL 2 2 RECEIVER 2 CIRCUIT DESCRIPTION 1 REGENEN gegen ege gedoen ayq 3 6 2 M38224M6M E XA0862 T XA0836 7 3 Terminal function of CPU 8 SEMICONDUCTOR DATA 1 uPD3140GS E1 XA0312 9 2 TC4W53FU 0 48 10 3 NJM2904V XA0573 pp 10 4 1622 XA0787 10 5 MB88347L PFV G BND EF XA0599 11 TK11816M 665 12 7 TK10931V 666 12 8 TA4101FTE12L XA0667 13 9 S 80828ALNP EAR T2 0834 13 10 BR24C64F E2 0669 14 11 S 81230SG QB X XA0833 14 12 UPC2757T E3 XA0743 15 13 TC7SETO8FU 0586 15 14 LA3335M XA0786 16 15 NJM2107 0850 17 16 Transistor Diode and LED Outline Drawings 17 17 LCD Connecti
29. V308 470 1300 Q38 25C5066FT D36 15V308 DAN235E x2 Zi B WFM 4 19MHz FM SW FM SW TAP SW SC AF sw er FMV 5 CLON 034 025 038 076143 SEON DAN235E 2 J144Y d s EMS 030 25728 NFM 5 NFM AM x 5 SW k BTL SW JKDT BPF lt Z FL2 PBFC450P x 05 08 25 158 Q49 DTC143TE m 8 053 25 1580 FMV FMV SC SC sc RV FREQ UP DN MONI SW FUNC SW y Y VOL SQL OL control k RE1 TP72N0 AE20 SW361 SKQLLC MONI P SP JACK LTER SW SCR SW ACTIVE LP SC MIX AF AMP ar S AUDIO AMP SW302 SKQLLC FUNC JK2 Q37 DTC143TE D38 D42 DAN235E IC12 ANIC8 TA4101F C12 17 9 2197 ad 14 i HSJ1493 01 010 EE NuM2904V 1 2 NJM2904V 2 2 FM MPX CLON SW AUDIO SW e ONS LA3335M Q42 039 15 1 LECT D A CONVERTOR 25 1580 Q40 28B1132T AMC TAP EVOL D41 1SS390 IC15 MB88347LPFV VDD lt Q48 XP1111 Q36 DTC143TE Q43 UN91 1H ABAR ABARV lt ABAR SW lg RC FMV 48 1 SW RV SW SBARV SBAR SW ABAR BND1V D BNDSV4 REH UPPLE A i FILTER Q16 UN911H Q2 2SB1132T 059 040 pave ee 5 TAS 051 076143 Q7 XP1501 gt RECEIVE SML 310MT IC2 TK11816M IC18 TC7SETOBFU Q18 DTC 43TE 054 25022168 03 1111 046 15
30. e SCAN key Check if can hear the BEEP sound S Meter level 5 Adjustment Display 3SF Input the 145 13 2 of 15dBu standard modulation and press the SCAN key Check if can hear the BEEP sound SQL SQL level 1 Adjustment Display Wn1 Adjustment Input the 90 5MHz of 6dBu which modulation is 22 5KHz and press the SCAN key Check if can hear the BEEP sound SQL level 5 Adjustment Display WnF Input the 90 5MHz of 18dBu which modulation is 22 5 2 and press the SCAN key Check if can hear the BEEP sound S Meter S Meter level 1 Adjustment Display WS1 Adjustment Input the 90 5MHz of 13dBu which modulation is 22 5KHz and press the SCAN key Check if can hear the BEEP sound S Meter level 5 Adjustment Display WSF Input the 90 5MHz of 20dBu which modulation is 22 5 2 and press the SCAN key Check if can hear the BEEP sound Battery Turn on the Reduction Battery Character Indication Display dSpv Setting Change the input voltage from 4 5V to 3 8V and press the SCAN key Check if can hear the BEEP sound After checking return the voltage to 4 5V After finishing all adjustment items press the FUNC key and then change the mode from adjustment mood If want to change the mode before finish the adjustment press the FUNC key before get off the adjustment mode 29 PC BOARD VIEW 1 DJ X3T X3E Side
31. ment Display 2nF Input the 109 15MHz of 4dBu standard modulation and press the SCAN key Check if can hear the BEEP sound when press the SCAN key SQL SQL level 1 Adjustment Display 3n1 Adjustment Input the 145 13MHz of 8dBu standard modulation and press the SCAN key Check if can hear the BEEP sound SQL level 5 Adjustment Display 3nF Input the 145 13MHz 2dBu standard modulation and press the SCAN key Check if can hear the BEEP sound SQL SQL level 1 Adjustment Display 4n1 Adjustment Input the 290 15MHz 8dBu standard modulation and BP4 press the SCAN key 28 Item Adjustment Content Specification SQL SQL level 1 Adjustment Display 5n1 Adjustment Input the 435 13 2 of 6dBu standard modulation and 5 press the SCAN key Check if can hear the BEEP sound SQL level 5 Adjustment Display 5nF Input the 435 13 2 of OdBu standard modulation and press the SCAN key Check if can hear the BEEP sound SQL SQL level 1 Adjustment Display 6n1 Adjustment Input the 797 1MHz of 4dBu standard modulation and BP6 press the SCAN key Check if can hear the BEEP sound SQL level 5 Adjustment Display 6nF Input the 797 1MHz of 2dBu standard modulation and press the SCAN key Check if can hear the BEEP sound S Meter 5 Meter level 1 Adjustment Display 351 Adjustment Input the 145 13MHz of 5dBu standard modulation and press th
32. nnection Top View Bottom View 1 RF input 4 PS Power Save 2 GND 5 Vee 3 Lo input 6 IF output Block Diagram RF input output POWER SAVE Lo Vee GND input 13 TC7SETO8FU XA0586 Pin Assignment Block Diagram 14 LA3335M XA0786 Pin Assignment 1 Input 6 GND 2 PLL loop filter 7 Stereo indicator fillter 3 Power supply 8 Pilot sync detection 4 VCO 9 Decoder output low 5 NC 10 Decoder output high 15 NJM2107 XA0850 Pin Assignment INPUT Y IKPUT OUTPUT Vi View EL ode T3 rz Block Diagram DAN235E TL 25357 155362 TE85L XD0320 0337 XD0338 SML 310MTT86 2SC4738BL TE85R 2SD2216R TX 2SJ144Y TE85R MA2Z720 2SB1132T XL0036 XT0181 XT0135 XE0019 XD0367 XT0061 2SK881Y TE85R UN911H TX DTC143TE TL XP01501 2SK1580 XE0036 XU0092 XU0196 XU0172 XE0029 UMC5N TR XP1111 TX XU0152 XU0171 17 17 LCD connection TEAN gt DGS II L HAY LJ 25 COMO COM COM2 CONG p pcm re s ps es COMIN 0 remis EXPLODED VIEW 1 Front View Za SS Y VT 52 9 La 9 gt J 2 d V xX 2 Bottom View EN 2 8 aX 7 NET n e e E 5
33. ntal Chip Chip Chip Chip Chip Chip Chip Chip Tantal Chip Chip Chip Chip Chip Chip Chip Chip Chip Tantal Chip Chip Tantal Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Tantal Chip Chip Chip Chip Chip Tantal CK010C50PT EE 6MCM156MATER GRM36B471K50PT 4MCM226MATER 6MCM156MATER GRM36CH150J50PT GRM36CH330J50PT GRM36CH220J50PT C1608JB1C104KT N TMCP1D104MTR Chip Chip Tantal Chip Tantal Chip Chip Chip Chip Chip Chip Tantal Chip Chip Chip Chip Chip Chip Chip C Chip Chip Chip C Chip Chip Chip C Chip Tantal Chip Chip Chip Chip Tantal Chip Tantal Chip Chip Chip Chip Tantal Chip Chip Chip Chip Tantal Chip Chip Chip Chip Tantal Chip Tantal Chip Chip Chip Chip Chip Chip Chip Diode Diode Diode Diode Diode Diode Diode Diode Diode C1608JB1C104KT N C1608JB1C104KT N GRM36CH330J50PT GRM36CH330J50PT C1608JB1C104KT N TMCP0J225MTR TMCP0J225MTR C1608JB1C104KT N C1608JB1C104KT N GRM36B103K16PT GRM36CH150J50PT GRM36B471K50PT TMCMC1C476MTR C1608JB1C104KT N GRM36B471K50PT C1608JB1C104KT N GRM36B102K50PT GRM36B102K50PT GRM36B471K50PT GRM36CH060D50PT GRM36CJ030C50PT GRM36CJ030C50PT GRM36
34. on pp 18 EXPLODED VIEW 1 Front UE 19 2 Bottom 20 PARTS LIST MAIN Unit 21 26 SW AT GE 26 Mechanical Parts pp 26 PACKING 26 ADJUSTMENT 1 How to enter the adjustment mode 27 2 Adjustment 2222 27 29 PC BOARD VIEW 30 31 SCHEMATIC DIAGRAM 32 BLOCK DIAGRAM 33 ALINCO INC SPECIFICATIONS 1 2 GENERAL Receiving range Modulation mode Ant impedance Ant terminal Supply voltage Ground Current consumption Temperature range Frequency stability Dimension Weight RECEIVER System First IF Second IF Third IF Selectivity Sensitivity Typ Audio output power 0 1 1299 995 MHz T 0 1 823 995 MHz 850 000 868 995 MHz 895 000 1299 995 MHz FM WFM AM 500 SMA DC 3 6V 6V Internal battery DC 4 5V 16V external regulated source Negative ground reception 75 Battery save 1 4 approx 39mA 10 60 14 140 5ppm 10 60 C 14 140F 56 W x 102 H x 23 D mm Approx 145g Triple conversion superheterodyne 248 45 MHz 38 85 MHz 450 kHz AM FM 6dB 12kHz or over 60dB 30kHz or less WFM 6dB 150kHz or over FM WFM 12dB SINAD AM 10dB S N AM 0 5 1 62MHz 17dBu 10dB S N 1 625MHz or over 5dBu 10dB S N FM 30 55
35. r FL2 The 2nd IF signal input to pin 7 of IC6 is demodulated at the limiter amplifier and quadrature detection circuit inside IC Then the signal is output from pin 12 of IC6 as an AF signall The output signal from pin 3 of IC6 is input to pin 5 of IC6 after the adjacent signal is eliminated at the ceramic filter FL2 The 2nd IF signal input to pin 5 of IC6 is output from pin 13 of IC6 as an AF signal after AM is detected inside IC Also reverse AGC is added to the 1st IF amplifier Q22 by AGC amplifier Q25 and the gain is controlled to get the normal audio output even though the input signal is fluctuated The output signal from pin 3 of IC6 is input to pin 7 of IC6 The 2nd IF signal input to pin 7 of IC6 is demodulated at the limiter amplifier and quadrature detection circuit inside IC and output from pin 12 of IC6 as an AF signal The AF signal is output from pin 12 of IC6 and input to pin 19 of IC6 The input signal is output from pin 21 of IC6 through the noise filter amplifier and rectifying circuit The rectified signal is supplied to the A D port of microcomputer IC1 Then the microcomputer IC1 judges the signal to control ON OFF of audio output 6 Audio 7 VCO The 1st Local The 2nd Local 8 PLL The 1st Local The audio output signal for receiving FM WFM and AM is switched at IC9 The output audio signal is input to pin 1 of IC13 of stereo multiplex demodulator through AF amplifier 17 When the input
36. tch D31 The signal input from antenna is switched at band switch D37 and D45 passing through the band pass filter it is amplified at RF amplifier Q38 Then the signal is added to the 1st mixer IC3 through the band switch D36 The input signal and the 1st local signal is added or subtracted at mixer IC3 and SAW filter FL1 selects the signal of 248 45 MHz then eliminates the adjacent signal The 2nd Mixer FM AM WFM FM AM FM AM WFM 5 Squelch The input signal and the 2nd local signal is added or subtracted at mixer IC4 and switched to FM AM receiving side or WFM receiving side at 024 or D25 At FM AM receiving side the crystal filter XF1 selects the signal of 38 85 MHz The signal is amplified at the 1st IF amplifier Q22 after the adjacent signal is eliminated At WFM receiving side the band pass filter selects the signal of 38 85 MHz The signal is amplified at the 1st IF amplifier Q22 after the adjacent signal is eliminated The amplified signal at the ist IF amplifier Q22 is supplied to pin 24 of IC6 for demodulation The signal of 12 8 MHz from the IC 1 reference buffer output is multiplied by 3 at Q17 then mixed with the signal added to pin 1 of IC6 in the mixer circuit inside IC6 to be converted into the 2nd IF signal of 450 kHz The converted 2nd IF signal is output from pin 3 of IC6 The output signal from pin 3 of IC6 is input to pin 7 of IC6 after the adjacent signal is eliminated at the ceramic filte
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