Alinco DR-61 OT/E Service Manual Download Page 4

Page: 4 / 89

m i x e r Q 8 , t h e n c o n v e r t e d i n t o t h e f i r s t I F .

I t s u n w a n t e d s i g n a l i s a t t e n u a t e d b y t h e

c r y s t a l f i l t e r c i r c u i t .

A f t e r a m p l i f i e d b y I F a m p l i f i e r Q 2 5 , t h e s i g n a l i s l e d t o I C 2 ,

P i n 2 4 .

T h e s i g n a l i s m i x e d w i t h t h e s i g n a l f r o m t h e s e c o n d l o c a l o s c i l l a t o r i n I C 2 , t h e n

c o n v e r t e d i n t o t h e s e c o n d I F , a n d o u t p u t f r o m P i n 3 .

T h e o u t p u t s i g n a l i s i n p u t t o

t h e i C 2 P i n 5 a g a i n a f t e r u n w a n t e d s i g n a l i s a t t e n u a t e d b y t h e c e r a m i c f i l t e r .

T h e n

t h e s e c o n d I F i s d e m o d u l a t e d b y A M d e t e c t o r o f I C 2 , a n d i s o u t p u t f r o m P i n 1 3 a s

t h e A F s i g n a l .

430M Band Receiver Circuit

T h e r e c e i v e r s i g n a l p a s s e d t h r o u g h t h e d u p l e x e r i s l e d t o t h e a n t e n n a s w i t c h

( D 3 0 3 , D 3 0 4 ) .

T h e s i g n a l i s a m p l i f i e d b y R F a m p l i f i e r Q 3 0 1 .

T h e a m p l i f i e d s i g n a l

i s a m p l i f i e d a g a i n b y R F a m p l i f i e r Q 3 1 1 a n d t h e u n w a n t e d f r e q u e n c y b a n d i s

e l i m i n a t e d b y t h e h e l i c a l f i l t e r L 3 2 2 , t h e n a m p l i f i e d b y t h e R F a m p l i f i e r Q 3 1 2 , a n d

a f t e r e l i m i n a t i n g t h e u n w a n t e d f r e q u e n c y b a n d b y t h e h e l i c a l f i l t e r L 3 2 3 , t h e s i g n a l

i s m i x e d w i t h t h e s i g n a l f r o m t h e f i r s t l o c a l o s c i l l a t o r i n t h e f i r s t m i x e r Q 3 1 3 , t h e n

c o n v e r t e d i n t o t h e f i r s t I F .

I t s u n w a n t e d s i g n a l i s a t t e n u a t e d i n t h e c r y s t a l f i l t e r

c i r c u i t . A f t e r a m p l i f i e d b y I F a m p l i f i e r Q 3 2 6 , t h e s i g n a l i s l e d t o I C 3 0 2 P i n 2 0 .

T h e s i g n a l i s m i x e d w i t h t h e s i g n a l f r o m t h e s e c o n d l o c a l o s c i l l a t o r i n I C 3 0 2 , t h e n

c o n v e r t e d i n t o t h e s e c o n d I F , a n d o u t p u t f r o m P i n 4 .

T h e o u t p u t s i g n a l i s i n p u t t o

I C 3 0 2 P i n 6

a g a i n a f t e r u n w a n t e d s i g n a l i s a t t e n u a t e d b y t h e c e r a m i c f i l t e r .

T h e

s i g n a l i s l e d t o t h e l i m i t e r a m p l i f i e r I C 3 G 2 , a n d d e m o d u l a t e d b y q u a d r a t u r e d e t e c

t i o n c i r c u i t , t h e n t h e s i g n a l i s o u t p u t f r o m P i n 1 1 a s t h e A F s i g n a l .

144M Band Sub Receiver Circuit

T h e r e c e i v e r s i g n a l f r o m t h e a n t e n n a i s l e d t o t h e V H F R e c e i v e r .

A f t e r a m p l i f i e d

b y R F a m p l i f i e r Q 6 , t h e s i g n a l i s i n p u t t o t h e V H F S u b R e c e i v e r .

P a s s i n g t h r o u g h

t h e h i g h - p a s s f i l t e r t o a t t e n u a t e t h e u n w a n t e d s i g n a l , t h e s i g n a l i s a m p l i f i e d b y R F

a m p l i f i e r Q 3 1 5 . T h e a m p l i f i e d s i g n a l i s l e d t o t h e b a n d - p a s s f i l t e r t o a t t e n u a t e t h e

u n w a n t e d s i g n a l , t h e n m i x e d w i t h t h e o s c i l l a t i n g f r e q u e n c y f r o m U s u b V - V C O i n

t h e f i r s t m i x e r Q 3 1 6 , a n d c o n v e r t e d t o t h e f i r s t I F o f U H F .

T h e f i r s t I F i s l e d t o

I C 3 0 2 .

430M Band Sub Receiver Circuit

T h e r e c e i v e r s i g n a l f r o m t h e a n t e n n a i s l e d t o t h e U H F R e c e i v e r . A f t e r a m p l i f i e d

b y R F a m p l i f i e r Q 3 1 0 , t h e s i g n a l i s i n p u t t o t h e U H F S u b R e c e i v e r . T h e s i g n a l i s

a m p l i f i e d a g a i n b y t h e R F a m p l i f i e r I C 1 0 a n d l e d t o t h e b a n d - p a s s f i l t e r t o a t t e n u

a t e t h e u n w a n t e d s i g n a l .

T h e n t h e s i g n a l i s m i x e d w i t h t h e o s c i l l a t i n g f r e q u e n c y

f r o m V s u b U - V C O i n t h e f i r s t m i x e r Q 1 0 , a n d c o n v e r t e d t o t h e f i r s t I F o f V H F . T h e

f i r s t I F i s l e d t o I C 2 .

S (Signal) Meter Circuit

VHF:

T h e S m e t e r s i g n a l , D C v o l t a g e o f I C 2 P i n 1 6 i s p a s s e d t h r o u g h v a r i a b l e r e g i s t e r

V R 5 .

A f t e r a d d e d t o I C 6 0 1 P i n 3 4 , t h e s i g n a l i s d i g i t i z e d b y A D c o n v e r t e r a n d

i n d i c a t e d o n L C D a s t h e S m e t e r .

UHF:

T h e S m e t e r s i g n a l , D C v o l t a g e o f I C 3 0 2 P i n 1 2 i s p a s s e d t h r o u g h v a r i a b l e r e g i s t e r

V R 3 0 4 .

A f t e r a d d e d t o I C 6 0 1 P i n 3 1 , t h e s i g n a l i s d i g i t i z e d b y A D c o n v e r t e r a n d

i n d i c a t e d o n L C D a s t h e S m e t e r .

Summary of Contents for DR-61 OT/E

Page 1: ...LIS T VH FM A INU n it 38 40 U H FM A INU n it 40 42 V O LU n it 42 FR O N TC P UU n it 44 43 S U BC P UU n it 50 45 V H FV C OU n it 45 V H FP L LU n it 45 U H FV C OU n it 46 U H FP L LU n it 54 46...

Page 2: ...1 1kg approx RX RX TX RX RX TX RX TX RX RX RX TX 2 Transmitter Output Power Emission Mode Modulation System Max Frequency Deviation Spurious Emission VHF BAND UHF BAND F3E FM F2E F2 Reactance Modulati...

Page 3: ...a l i s a t t e n u a t e d in t h e c r y s t a l f i l t e r c i r c u i t A f t e r a m p l i f i e d b y I F a m p l i f i e r Q 2 5 t h e s i g n a l i s l e d t o I C 2 P i n 2 4 T h e s i g n a...

Page 4: ...b y t h e c e r a m i c f i l t e r T h e s i g n a l i s l e d t o t h e l i m i t e r a m p l i f i e r I C 3 G 2 a n d d e m o d u l a t e d b y q u a d r a t u r e d e t e c t i o n c i r c u i t...

Page 5: ...f i e d b y t h e N o i s e a m p l i f i e r Q 2 7 T h e a m p l i f i e d n o i s e i s r e c t i f i e d t o D C v o l t a g e b y D 2 0 a n d i n p u t t o P i n 2 1 T h e i n p u t v o l t a g e...

Page 6: ...o c k e d t h e u n l o c k s w i t c h Q 3 8 i s t u r n e d O N b e c a u s e H i s o u t p u t f r o m P L L V C O u n i t U L t e r m i n a l T h e n 8 T V s w i t c h 0 3 2 i s t u r n e d O F F...

Page 7: ...f r e q u e n c y c h a r a c t e r i s t i c s 3 k H z o r b e l o w b y t h e d e e m p h a s i s c i r c u i t c o n s i s t i n g o f R 1 1 0 C 1 6 3 R 1 1 1 C 2 2 9 a n d C 1 6 4 a n d a m p l i...

Page 8: ...C P U I C 6 0 1 a f t e r t h e V R 5 0 2 r e g i s t e r v a l u e i s c h a n g e d t o t h e v o l t a g e a n d c o n v e r t e d t o A D UHF T h e m u t e d A F s i g n a l R O U i s a d d e d t...

Page 9: ...a n d h i g h p a s s f i l t e r i n t h e d u p l e x e r t o a t t e n u a t e t h e s e c o n d a n d t h i r d h a r m o n i c s e n o u g h t h e n s u p p l i e d t o t h e a n t e n n a 3 APC...

Page 10: ...i s d i v i d e d in I C 7 5 1 a n d I C 8 5 1 t o g e t t h e r e f e r e n c e f r e q u e n c y o f 5 k H z o r 6 2 5 k H z T h e c o m p a r i s o n f r e q u e n c y i s d i v i d e d b y t h e P...

Page 11: ...t u r n e d O N a n d t h e d e s i r e d f r e q u e n c y i s o s c i l l a t e d d i r e c t l y in C o l p i t t s o s c i i i a t i n g c i r c u i t c o n s i s t i n g o f F E T Q 8 5 7 V C O...

Page 12: ...p l y B i s t u r n e d O F F I C 6 0 1 P i n 8 0 B U b e c o m e s L a n d t h e u n i t e n t e r s I n t o t h e B a c k u p M o d e T h e c o n t e n t s o f t h e m e m o r y i s w r i t t e n o...

Page 13: ...g m o d e W h e n t h e s q u e l c h o f U H F i s o p e n e d t h e A F s i g n a l R O U U H F i s u n m u t e d T h e n a f t e r t h e l e v e l o f s i g n a l i s a d j u s t e d b y t h e v a...

Page 14: ...t c o m m u n i c a t i o n T h e m o d u l a t i o n s i g n a l i s i n p u t f r o m r e a r j a c k a n d t h e s i g n a l i s l i m i t e d in D 5 0 4 Q 6 2 1 t h e V C O i s m o d u l a t e d...

Page 15: ...1 REV I Active Low REV key input 21 P32 S01 CALL I Active Low CALL key input 22 P33 SCK2 MHZ I Active Low MHz key input 23 P34 SI2 MR I Active Low MR key input 24 P35 S02 VFO l Active Low VFO key inpu...

Page 16: ...amp output 80 P13 TMIG VPT 0 Active High TX band display 81 P14 PWM DIM o Active High L a m p d im m e r c o n tro l 82 P15 IRQ1 TMIB PSW I Positive edge Power switch input 83 P16 IRQ2 TMIC ENC1 I Act...

Page 17: ...ID STBV o Active High VHF side 4094 strobe 27 P66 FTOB IRQ6 1750 n Pulse 1750Hz Tone burst signal output 28 P67 IRQ7 CKV o VHF side clock PLL 4094 29 AVCC 30 P70 AN0 SDU A D UHF side squelch signal 31...

Page 18: ...ntrol microphone 63 P11 A1 DM2 I DTMF DEC data for remote control microphone 64 P10 A0 DM1 I DTMF DEC data for remote control microphone 65 P30 D0 DVD I Active High VHF UHF DTMF DEC detection 66 P31 D...

Page 19: ...ion Table C lo c k O u tp u t enab le S tro b e D ata P arallel o u tp u ts S erial o u tp u ts Q 1 Q n Q s Q s L X X Z Z Q 7 N oC h g L X X Z Z N cC h g Q s H L X N oC h g N oC h g Q 7 N oC h g H H L...

Page 20: ...5 J l l c o 2 o c o o Q Q z mO Omc L n B S 1 9 V C C 2 P o w e r Am p GND 8 O U T 2 BS2 P aram eter S ym b o l C o n d itio n R a tin g s U n it d ecu rre n t c c o 75 m a V o ltag eg a in V G 51 5 d...

Page 21: ...10 G ro u n dterm in al G N DIZ Z 8 9 Function Table P o w ers u p p ly W CC term in al 3 5 5V 1 4m A 1 X IN R eferenceo s c illa to r in p u tterm in al 1 XO U T R eferenceo s c illa to r o u tp u t...

Page 22: ...2 0 3 0 5 1 0 2 0 3 0 4 6 8 1 0 1 2 In p u t P o w e r W 1 s t S ta g e S u p p ly V o lta g e V c c 1 V Output Power Po W N H H 1 S3 TT 1 1K U l y t O CO O X N O u tp u tP o w erP o W Po P i Po V c c...

Page 23: ...0 1 O O O o O u tp u t term in al F in a l D Cs u p p ly term in al 2ndstag eD C s u p p lyterm in al 1 s tstag eD C su p p lyterm in al In p u tterm in al 400m W F in G ro u n d c n c n GO C D C D I...

Page 24: ...8 NJM4066B XA0095 Bilateral Switch SIG A SIG B IN OUT jT OUT IN T_ m i t i m nr 1 b W A J L IN OUT CONT B CONT C VSS swc I r 1 4 VDD H CONT A 121CONT D IN OUT OUT IN OUT IN 11 1 0 8 IN OUT SIG D SIG C...

Page 25: ...S RH5VA60AA O u tp u t G N D P aram eter S y m b o l C o n d itio n R a tin g s U n it M ax s u p p lyvo ltag e V c c 6 V P o w erd is s ip a tio n P to t 200 m W Id lecu rre n t Ic c n os ig n al 1...

Page 26: ...S u p p lyv o lta g e V c c 1 6 V C o n tro lvo lta g e V co n 1 6 V C u rren t IT 1 4 A In p u tp o w er P i 600 m v v O u tp u tp o w er P o 65 W O p eratio ncasetem p eratu re T c o p r 30 100 C S...

Page 27: ...XA0115 Bilateral Switch IN O U T 1 5 O U T IN HE V S S 3 4 4 C O N T 16 TC4W53F XA0319 Multiplexer Demultiplexer Function Table C o n tro l in p u t O Nch an n el IN H A L L c h0 L H c h1 H N O N E rD...

Page 28: ...z 8 9 F u n c tio n T a b le No Pin Name Description 2 L OUT1 10dB step attenuator output 0 60dB 15 R OUT1 3 L IN1 lOdB step attenuator input 14 FHN1 4 13 A GND AC GND terminal 5 L IN2 2dB step attenu...

Page 29: ...terminal 10 DATA3 Data input terminal 9 DATA4 Data input terminal 13 PS Oscillator control input terminal KEY INPUT DATA TONE FREQ CONT1 CONT2 DATA1 DATA2 DATA3 DATA4 fL fH H H L L L H 697 1209 2 H H...

Page 30: ...941 1336 0 H H L H L 941 1209 H H L H H 941 1477 H H H L L 697 1633 A H H H L H 770 1633 B H H H H L 852 1633 C H H H H H 941 1633 D H L L L L ANY L Z Z Z Z No Name I O Description 2 Dl 0 Data output...

Page 31: ...L im it Ic c 2 O O S ym b o l r o c n 1 85 1 25 p o 0 15 o o 2 4 ro ro O 0 2 4 3 0 2 u C O0 5 O 0 3 500 170 O C D 2 2 C D M in R atin g s 2 40 2 20 1 65 1 05 0 50 0 25 3 6 ro C O C O O O O 4 95 O O C...

Page 32: ...f m 1 k H z T a 2 5 C ro o AF OUTPUT 0 0 1j j F...

Page 33: ...tput Impedance Zo 800 n 10mVin Filter Gain Gf 30 38 dB Fin 30kHz Vo l00mV Scan Control Hi Voltage SH 2 3 V Squelch input 2 5V Scan Control Low Voltage SL 0 3 V Squelch input 0V Q m lA lnh M v clA rocl...

Page 34: ...1 3 2 X T 61 C 2 S D 1 7 6 1 E X T 6 4 2 S C 2 9 5 4 XT 84 C 2 S A 1 5 7 6 X T O 94 ______ B _______ X T 0 0 4 8 C B C E R 2 4 T B B E U U B C E O CD CL U U U B C E O D 1 7 6 1 UM B C E O T T T T U B...

Page 35: ......

Page 36: ...Cfl cd Q 3 B D CD CT cn M C O t L r t L O t O t O LO u L O cn t o c o c o d e n t t o co t o co to T C O CO CO CO C D C D...

Page 37: ...E X P L O D E D V IE W A P 0017 2 L C D V ie w 35...

Page 38: ...FM0076...

Page 39: ...0 0 0 UE0116...

Page 40: ...4 U H F U n it V ie w UE0257 VV_JI I I A AW0001 Torque 4kg f cm B AV0002 Torque 4kg f cm G AW0003 Torque 4kg f cm H AV0001 Torque 5kg f cm 37...

Page 41: ...CH1H070CT A C27 CU3035 Chip C C1608JB1H102KT A C83 CU3011 Chip C 01608CH1H10ODT A C28 CU0019 Chip C C2012CH1H220K 084 CU3005 Chip C C1608CH1H040CT A C29 CU0013 Chip C C2012CH1H120K C85 CU3011 Chip C C...

Page 42: ...Tantal TMCMB1A 106MTR C174 CU3044 Chip C C1608JB1H562KT A C175 CU3044 Chip C C1608JB1H562KT A Ref No Parts No D e scription P arts Name C176 2U3059 Chip C C1608JF1E104ZT A C177 CU9018 Chip C C3216JB1C...

Page 43: ...Chip R ERJ3GSYJ153V R102 RK3001 Chip R ERJ3GSY0R00V R104 RK3042 Chip R ERJ3GSYJ222V R105 RK3055 Chip R ERJ3GSYJ273V Ref No Parts No D escription Parts Name Ver Q36 XT0095 Transistor 2SC4081T106R Q37 X...

Page 44: ...TZ5 1 ATT11 Q5 XT0095 Transistor 2SC4081T106R D19 XD0254 Diode 1SS355TEI7 Q6 XE0Q13 FET 3SK184STX D20 XD0250 Diode MA742 TX Q7 XE0028 FET 3SK131V12 D23 XD0136 Diode DTZ5 1ATT11 Q8 XE0028 FET 3SK131V12...

Page 45: ...4 RH0103 Trim Pot EVM1YSX50B14 R127 RK3046 Chip R ERJ3GSYJ472V VR5 RH0106 Trim Pot EVM1YSX50B04 R128 RK3054 Chip R ERJ3GSYJ223V R129 RK3071 Chip R ERJ3GSYJ5S4V X1 XQ0068 Crystal HC 49rr 12 8MHz R130 R...

Page 46: ...1H102KT A 0321 CU0006 Chip C C2012CH1H050CT A 0378 CU3035 ChipC C1606JB1H102KT A 0322 CS0049 Chip Tantal TMCSA1C105MTR 0379 CU3035 Chip C C1608JB1H102KT A 0323 CU3035 Chip C C1608JB1H102KT A 0380 CU30...

Page 47: ...Chip O C1608CH1H101JT A 0484 CU3035 Chip C C l 608JB1H102KT A 0431 CU3035 Chip C C1608JB1H102KT A C485 CU3023 Chip C C1608CH1H10Krr A C432 CU3035 Chip C C1608JB1H102KT A C486 CE0367 Electrolytic C 10M...

Page 48: ...4BF T1 Q314 XU0061 Transistor UN5211 TX IC305 XA0246 IC BU4094BF T1 0315 XT0115 Transistor 2SC4226T1R24 IC306 XA0119 IC AN8010M E1 Q316 XE0028 FET 3SK131V12T1 IC307 XA0082 IC MCT7808CT Q317 XU0061 Tra...

Page 49: ...J3GSYJ333V R326 RK3034 Chip R ERJ3GSYJ471V R381 RK3044 Chip R ERJ3GSYJ332V R327 RK3050 Chip R ERJ3GSYJ103V R382 RK3070 Chip R ERJ3GSYJ474V R328 RK3042 Chip R ERJ3GSYJ222V R3 4 RK30 1 Chip R ERJ3GSYORO...

Page 50: ...hip R ERJ3GSYJ103V C504 CU3047 Chip C C1608JB1H103KT A R429 RK3050 Chip R ERJ3GSYJ103V C505 CU3047 Chip C C1608JB1H103KT A R431 RK3022 Chip R ERJ3GSYJ47 V C506 CU3047 Chip C C1608JB1H103KT A R432 RK30...

Page 51: ...V ERJ3GSYJ105V ERJ3GSYJ221V ERJ3GSYJ103V ERJ3GSYJ103V ERJ3GSYJ103V ERJ3GSYJ103V ERJ3GSYJ393V ERJ3GSYJ393V ERJ3GSYJ473V ERJ3GSYJ683V ERJ3GSYJ683V ERJ3GSYJ223V ERJ3GSYJ393V ERJ3GSYJ103V EXBV8V473J ERJ3G...

Page 52: ...CU3047 Chip C Cie 08JB1Hl03KT A C622 CU3051 Chip C C2012JB1E223KT A C681 CU3035 Chip C C1f 0SJB1H102KT A C623 CU3035 Chip C CK508JB1H102KT A C682 CU3035 Chip C C1608JB1H102KT A C624 CU3051 Chip C C20...

Page 53: ...R ERJ3GSYJ332V R618 RK3071 Chip R ERJ3GSYJ5641V R619 RK3036 Chip R ERJ3GSYJ681V Ref No Parts No D escription Parts Name Ver R621 RK3034 Chip R ERJ3GSYJ471V R622 RK3044 Chip R ERJ3GSYJ332V R623 RK3071...

Page 54: ...XB0016 Ceralock CSACS9 83MT100 TC X603 XQ0071 Crystal LIM A9 8304MHz UA0041 FFC SMCD 20x25 BD Ref No Parts No D e scrip tio n P arts Name Ver VHF VCO U n t C701 CU3035 Chip C C1608JB1H 02KT A C702 CU...

Page 55: ...e 1SV164T2 K D752 XD0100 Diode 1SV164T2 K D753 XD0254 Diode 1SS355 TE17 IC751 XA0235 IC M56760FP 600A L751 QC0101 Coil LER015TR82M L752 QC0101 Coil LER015TR82M L753 QC0395 Coil LQN1A33NJ04 L7S4 QC0099...

Page 56: ...e 1SV214TPH4 C872 CU3008 Chip C C1608CH1H070CT A D803 XD0131 Diode 1SV214TPH4 C873 CU3035 Chip C C16I08JB1H102KT A D804 XD0131 Diode 1SV214TPH4 C874 CU3035 Chip C C16 D8JB1H102KT A C875 CU3035 Chip C...

Page 57: ...Ver AIR U nit C901 CU3035 Chip C C1608JB1H102KT A C902 CU3018 Chip C C1608CH1H390JT A C903 CU3015 Chip C C1608CH1H220JT A C904 CU3018 Chip C C1608CH1H390JT A C905 CU3006 Chip C C1608CH1H050CT A C906...

Page 58: ...k CSAC3 58MGC300GA TC S P U n lt ES0007 UX1047 Speaker Wire VS 57 0814 1 5W Wire DR130 FAN U nit ET0005 QB0036 Fan Ferrite Core MF40C 12H007 BP53RB120070060M Packet Option UZ0022 UZ0004 02 5 Plug 03 5...

Page 59: ...002 Ceramic C CK45 F1H 103ZYA C2 CK1002 Ceramic C SC45 F1C104Z PT C3 CE0345 Electrolytic C 6MV100jiF TS C4 CK1001 Ceramic C SC45 F1H102Z PT D1 XD0067 Diode MA700 R1 RD2002 Resistor ERDS2TYJ601T R2 RD0...

Page 60: ...P 0 0...

Page 61: ...45 Chip R MCR10EZHJ472E R12 RK0045 Chip R MCR10EZHJ472E R13 RK0069 Chip R MCR10EZHJ104E R14 RK0086 Chip R MCR10EZHJ105E R15 RK0025 Chip R MCR10EZHJ331E SW1 UM0002 Switch SS 5 SW2 UU0009 Switch EVQ QHJ...

Page 62: ...mpedance 50Q unbalanced Power 50W or more 7 Speaker 2 units Impedance 8 2 n q q g W W V I Output frequency Output level Moduration 9 Transceiver Tester a Frequency Counter b Power Meter Impedance Meas...

Page 63: ...er supply voltage is 13 8V Power switch is off 2 Turn the squelch and volume knobs counterclockwise 3 Press and hold the F key then turn the power switch on The display shows the frequency as follows...

Page 64: ...Main Unit 9600bps SP OUT 51...

Page 65: ...sitivity f 438 00MHz T f 445 02MHz T f 449 99MHz T SSG OUT 9 0dB x RX SSG Dist Meter Oscilloscope Back UH FSP2 Check SIN A D is above12dB f 430 00MHz E f 435 00MHz E f 439 99MHz E SSG OUT 9 0dB x VHF...

Page 66: ...f 445 00MHz T f 435 00MHz E TX Middle VR302 10W 10 0 5W Low Power TX Low Check 5 1W DEV f 445 00MHz T f 435 00MHz E Mod 1kHz Mic 30dBm TX Linear Det Oscilloscope Power Meter Back U H FAN T UHF Main V...

Page 67: ...FS P 2 VHF Main L15 L18 SINAD MAX SINAD is above 12dB Sensitivity f 145 00MHz SSG OUT 9 0dB x SSG Dist Meter Oscilloscope L15 L18 SINAD MAX SINAD is above 12dB f 138 00MHz T f 173 99MHz SSG OUT 4 0dBn...

Page 68: ...W DEV f 145 00MHz Mod 1kHz M ic 30dBm TX Linear Det Oscilloscope Power Meter Back V H FA N T VHF Main VR3 4 7kHz DEV 4 7kHz 0 2kHz DEV MIC Gain Mod 1kHz M ic 46dBm Check 4 0 kHz 0 3kHz DEV CTCSS Tone...

Page 69: ...P C B O A R D V IE W 1 V H F M A IN A IR U n it S id e A...

Page 70: ...2 V H F M A IN A IR U n it S id e B J50K P S I rcTTlaooi io nsi fwiio K 0 0 0 1fc T F i C 1 6jo o o i S Q o o i r S fl Eng C Cu A 7 01 R 6 7jj o to e f R68 C 1 0 C 57 10Kfff90fl...

Page 71: ...3 UHF M A I N E N C V O L U n it Side A c o to...

Page 72: ...C 3 4 a 0 0 0 1 Q307 x n i m i S 8 2 2K S iftaeoiaw f g 4 2 9 llOOp C4 6 oop ttewteeoK 9 8 B i l C l i III 4 T71 o ooi o o o i a o o t t0 4 i i 470 10 lQ 3Q 4l 2 2K IM B 4 C 5 T 2 2 K O lfC 4 4 4 iC...

Page 73: ..._ 22 E tB Z3 XN12U XN1214 II 3i 1 is g s S f t o ooi 1 0 M s S A A 3 _ EB 1 o ssii 1 1 Q O O l m 5U J ton _ S E S i J p a e g l T O I l 47K t g y i Q 001 M fS lfftM T i 10K fflgPfltX o t fcs l fRSaD47...

Page 74: ...SSt 0K 4 o lioo pl2 S S S J ooo t 3sis ka ila0Oi4 r 6 taaaJiQ Q p U SEfe ou r rfiB ftW 4 7 1 ovI c oag M r D B 0 4Ja C 1 2 9 X9 w s s H fc w r i IM C F l a j lR 740j 1M J C 6 B 7 g l s I t S I f CW i...

Page 75: ...O p b M e m r r 1S6356_ s a g S g c fcTeyj SgJEJIisj1 0 1 3 6r ffiSO sif m m Stsiipl isws _ 0 fB 7 7 8 1 g I p i EZZlli IR77413 9K d f W 56 E 5 P 0 33 1 I B R tl IS 7 7 7 1 fi m I EEI 7 0 K E Z 3 S iZ...

Page 76: ...H4MHl UNIT B L O C K D IA G R A M 1 M a in B lo c k D ia g ra m 63 TRANSMiT RECETYE...

Page 77: ...a 2 CPU B lock D i a g r a m...

Page 78: ...2 SW Q8 0 1 0 8 0 4 UNS A 2 SC4 0 1 LNT tL L P F Q8 5 1 Q8 5 2 2 S O 0 8 1 IKT 0 8 5 3 2 SC3 3 2 4 B D8 5 1 HW 0 8 5 9 2 SK8 8 0 GR T URU TU 5C J t IC8 5 1 M5 6 7 6 0 FP CS DATA ST V V C 0 BUFF 0 8 5...

Page 79: ...S C H E M A T IC D IA G R A M 1 V H F M A IN U N IT...

Page 80: ...2 U H F M A IN U N IT...

Page 81: ......

Page 82: ......

Page 83: ...V j Ni VHF VCO UNIT...

Page 84: ...C O UHF PLL UNIT...

Page 85: ...R 6 1 UHF VCO UNIT 6 UHF V C O PLL U N T...

Page 86: ...7 E N C U N IT Q981 2S C 4 0 8 220 R989 ua 4 i 110 1 1 M vr98 47KB 7777 988 T 3 0 P 74...

Page 87: ...VI O l M R DTMF...

Page 88: ...9 E H M 3 9 oo m n o cri O C 5...

Page 89: ...6 8150 Fax 06 946 8175 Telex 63086 E mail 101243 1446 compuserve com ALINCO ELECTRONICS INC 438 Amapola Ave Unit 130 Torrance CA 90501 U S A Phone 310 618 8616 Fax 310 618 8758 http www alinco com ALI...

Search results

Summary of Contents for DR-61 OT/E

Reviews:

Related manuals for DR-61 OT/E

Brands by name

Popular brands

Alinco DR-61 OT/E, Service Manual

Search results

Summary of Contents for DR-61 OT/E

Reviews:

Related manuals for DR-61 OT/E

Brands by name

Popular brands