Abell A-80 Service Manual Download Page 46

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A-80 UHF

SERVICE MANUAL

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AF
M

R4
48

1K
D

R4
16

C4
35

C4
24

GND

R4
36

F-IN

RX
C

W/
N

MO
D

AF
M

TX
C

AF
M

F-IN

RX
C

MO
D

W/
N

VR
40

(

R4
00

R4
15

R4
01

C4
00

R4
20

R4
09

R4
08

R4
10

C4
05

C4
04

GND

VC
C

0NJ

C4
06

磁珠

C4
16

R4
12

R4
11

C4
07

C4
17

R4
21

R4
22

C4
08

C4
20

C4
18

C4
09

R4
23

R4
24

C4
19

C4
21

C4
10

磁珠

R4
25

C4
11

R4
14

R4
13

Q4
03

491

D4
00

C4
12

C4
13

C4
14

C4
01

C4
03

R4
02

R4
17

R4
03

R4
04

R4
05

R4
18

R4
06

8MR4

C4
02

Q4
00

461

Q4
01

461

MO
D

R4
19

C4
15

Q4
02

182

W/
N

R4
34

R4
41

R4
38

R4
39

R4
37

R4
42

C4
30

C4
28

C4
31

C4
27

C4
34

C4
26

C4
39

C4
37

C4
38

C4
33

C4
29

R4
26

02-

R4
31

R4
32

R4
33

R4
46

R4
29

C4
23

C4
25

R4
27

R4
28

R4
30

C4
22

Q4
05

461

R4
35

R4
47

R4
40

R4
44

R4
43

R4
45

Q4
04

182

C4
36

RX
C

AF
M

F-IN

RX
C

C4
32

TX
C

RX
C

D4
01

DA2

R4
49

C4
40

R4
50

C4
41

磁珠

C4
42

R4
53

C4
44

C4
43

R4
54

R4
52

R4
51

Q4
06

461

Summary of Contents for A-80

Page 1: ...dustries Co Ltd A 80 UHF SERVICE MANUAL V 1 Contents GENERAL 1 REALIGNMENT 4 DISASSEMEBLE FOR REPAIR 6 CIRCUIT DESCRIPTION 7 PARTS LIST 11 EXPLODED VIEW 32 PACKING 36 ADJUSTMENT 37 PC BOAD VIEW 43 SCHEMATIC DIAGRAM 45 SPECIFICATIONS 50 ...

Page 2: ...his applies to all parts components kits or chassis If the part number is not known include the chassis or kit number of which it is a part and a sufficient description of the required component for proper identification PERSONAL SAFETY The following precautions are recommended for personal safety DO NOT transmit until all RF connectors are verified secure and any open connectors are properly term...

Page 3: ...hat don t contain the matched QT DQT code Channel announcer Press this switch to get current channel information Channel selector Rotate to select channels 1 16 LED indicator Lights red while transmitting green while receiving a signal Flashes red when the battery voltage is low while transmitting Power switch Volume control Turn clockwise to switch the transceiver ON Turn counterclockwise until a...

Page 4: ...onal computer programming interface and programming software ABELL transceiver programming software The programming software can be used with and IBM PC or compatible Figure 1 shows the setup of an IBM PC for programming Connection procedure 1 Connect A 80 to the PC with using the interface cable 2 When data is transmitted from transceiver the red LED lights When data is received by transceiver th...

Page 5: ...Normally it is not necessary to determined automatically when the frequency range frequency type is set The values should be modified only if necessary Data can be programmed into the EEPROM in RS 232C format data via the SP MIC plug In this mode the PTT line operates as TXD and RXD data lines respectively USER MODE 1 Channel announcer Press this switch to get current channel information 2 Alert P...

Page 6: ...y from the chassis 1 Remove the knob and the round nut 2 Remove the two screws 3 Expand the right and left sides of the bottom of the case assembly lift the chassis and remove it from the case assembly 4 Taking care not to cut the speaker lead open the chassis and case assembly ...

Page 7: ...the unit to the chassis be sure to solder the antenna terminal CIRCUIT DESCRIPTION 1 Frequency configuration The receiver utilizes double conversion The first IF is 45 05MHz and the Second IF is 450 KHz The first local oscillator signal is supplied from the PLL circuit The PLL circuit in the transmitter generates the necessary frequency 2 Receiver The receiver utilizes double conversion designed t...

Page 8: ...urther eliminate unwanted signals before it is amplified and FM detected in IC300 4 AF Amplifier The recovered AF signal obtained from IC300 is amplified by IC401D filtered by the high pass filter IC401D to eliminate signals under 300Hz And de emphasized by Q405 and Q406 The processed AF signal passes through an AF volume control and is amplified to a sufficient level to drive a loud speaker by an...

Page 9: ...K DETECTOR If a pulse signal appears at the LD pin of IC100 an unlocked condition occurs and the DC voltage obtained form D105 R126 and C144 causes the voltage applied to the LOCK pin of the microprocessor to go low When the microprocessor detects this condition the transmitter is disabled and the error indicating alarm occurs ignoring the push to talk switch input signal 4 Transmitter 1 Transmit ...

Page 10: ...the sensed voltage and the reference voltage appears at the output of IC201A 1 2 This output voltage controls the gate of the FET power amplifier which keeps the transmitter output power constant The transmitter output power can be varied by the microprocessor which in turn changes the reference voltage and hence the output power 6 Terminal protection circuit When the thermistor TH2 reaches about ...

Page 11: ... 10 820R 0603 5 1 R424 11 1K 0603 5 10 R7 R8 R12 R17 R22 R30 R32 R34 R48 R401 12 1 5K 0603 5 1 R421 13 2K 0603 5 1 R420 14 2 2K 0603 5 2 R60 R419 15 3 3K 0603 5 2 R252 R402 16 4 7K 0603 5 7 R11 R13 R14 R15 R39 R54 R61 17 5 6K 0603 5 2 R247 R415 18 6 8K 0603 5 2 R55 R409 19 10K 0402 5 2 R231 R234 20 10K 0603 5 6 R33 R35 R47 R59 R417 R418 21 15K 0603 5 2 R411 R412 22 18K 0603 5 1 R423 23 20K 0603 5 ...

Page 12: ...1K 4 4 0603 YC164 JR 071K 3 CP1 CP2 CP4 44 100K 4 4 0603 YC164 JR 07100K 1 CP3 Adjustable Resistor 45 47K φ3 EVM3YSX50BQ4 1 VR400 46 220K φ3 EVM3YSX50BE5 2 VR100 VR101 Chip Capacitance 47 5PF 0402 COG 0 1PF 50V 1 C344 48 10PF 0402 COG 0 5PF 50V 1 C406 49 20PF 0402 COG 5 50V 1 C345 50 22PF 0402 COG 5 50V 2 C7 C8 51 100PF 0402 COG 5 50V 4 C29 C30 C246 C247 52 220PF 0402 COG 5 50V 3 C18 C23 C36 53 47...

Page 13: ...9 NC 0402 2 C244 C346 70 NC 0603 3 C148 R62 R133 Tan Capacitance 71 0 47UF A 型 20 6 3V 1 C5 72 1UF A 型 20 6 3V 2 C42 C147 73 2 2UF A 型 20 6 3V 2 C400 C419 74 4 7UF A 型 20 6 3V 2 C55 C407 75 6 8UF A 型 20 10V 1 C245 76 10UF A 型 20 6 3V 3 C6 C39 C411 Inductor 77 BLM11A601S BLM18AG601SN1D 0603 Bead 600R 8 L1 L3 L4 L5 L400 L401 L402 L2 78 LQH32MN1R0M23 1210 Wound Ferrite 1 L207 Diode 79 LED 02 0603 QGC...

Page 14: ...PROM 1 IC3 94 NJM2100V SSOP8 IC AUDIO AMP 1 IC400 95 XC6201P502PR SOT 89 3L IC 5V stability voltage 1 IC4 96 µPD78F0512GA T 8EU A QFP48 CPU model after writing 1 IC1 97 WTV040 20S SOP20 Phonetics IC 1 IC5 Crystal 98 18 0178MHz 6 0 3 5 1 0 18 0178MHz 1 X1 99 Fuse 100 3A 32V 1206 R429003 3A 32V 1 FU2 Connector 101 L10 10PIN FFC FPC connector underside connecting and upside pressing 0 5mm 1 CN1 A 80 ...

Page 15: ...03 5 2 R123 R220 16 1K 0603 5 5 R107 R127 R224 R313 R426 17 1K 0603 1 1 R448 18 1 2K 0603 5 2 R128 R331 19 1 5K 0603 5 1 R219 20 1 8K 0603 5 3 R338 R339 R427 21 1 8K 0603 1 1 R442 22 2 2K 0603 5 2 R20 R111 23 2 7K 0603 5 1 R109 24 3 3K 0603 5 5 R105 R124 R305 R332 R334 25 3 9K 0603 5 1 R321 26 4 7K 0402 5 1 C425 27 4 7K 0603 5 2 R25 R137 28 5 6K 0402 5 1 C426 29 5 6K 0603 5 4 R434 R450 R451 R454 3...

Page 16: ...C129 C306 C309 C317 53 1PF 0402 COG 0 1PF 16V 2 C214 C215 54 1 5PF 0402 COG 0 1PF 16V 2 C305 C339 55 2PF 0402 COG 0 1PF 16V 4 C115 C208 C210 C217 56 2 4PF 0402 COG 0 1PF 16V 1 C219 57 2 5PF 0402 COG 0 1PF 16V 2 C120 C319 58 3PF 0402 COG 0 1PF 16V 1 C218 59 3 6PF 0402 COG 0 1PF 16V 0 60 4PF 0402 COG 0 1PF 16V 3 C105 C216 C320 61 5PF 0402 COG 0 1PF 16V 2 C123 C340 62 6PF 0402 COG 0 1PF 16V 5 C109 C1...

Page 17: ... 470PF 0603 X5R 10 16V 2 C100 C311 83 1000PF 0402 X5R 10 16V 20 C14 C21 C45 C127 C136 C146 C149 C150 C200 C203 C204 C302 C322 C324 C343 C347 C359 C434 C438 C440 84 3300PF 0603 X5R 10 16V 1 R429 85 4700PF 0402 X5R 10 16V 2 C113 C363 86 5600PF 0402 X5R 10 16V 2 C428 C429 87 8200PF 0402 X5R 10 16V 1 C427 88 0 01UF 0402 X5R 10 16V 11 C22 C25 C119 C131 C132 C133 C151 C225 C300 C321 C354 89 0 01UF 0402 ...

Page 18: ...6 L110 L114 L117 L212 L300 L302 107 BLM21PG300SN1D 0805 Bead 1 L6 108 MGLB2012 011T 0805 CHIP CORE 2 L208 L209 109 LQG15HN2N2J02D 0402 HF Multi layer Inductor 1 L201 110 LQG15HN15NJ02D 0402 HF Multi layer Inductor 1 L210 111 LQG15HN18NJ02D 0402 HF Multi layer Inductor 2 L100 L211 112 LQG15HN22NJ02D 0402 HF Multi layer Inductor 3 L105 L115 L306 113 LQW31HN27NJ03L 1206 HF wound inductor 1 L103 114 L...

Page 19: ...3 DIODE 4 D201 D300 D301 D302 130 HVC350B SOD 523 Varactor 5 D303 D304 D305 D306 D307 131 HVU131 SOD 323 A DIODE 1 D200 132 ISR154 400 SOD 106 DIODE 1 D2 133 ISV269 SOD 323 A Varactor 1 D104 134 ISV270 SOD 323 A Varactor 4 D100 D101 D102 D103 135 MA2S111 SOD 523 DIODE 2 D105 D107 Triode 136 2SA1362 SOT 23 TRANSISTOR 2 Q4 Q9 137 2SC2714 SOT 23 TRANSISTOR 1 Q302 138 2SC4226 R24 SOT 323 TRANSISTOR 5 ...

Page 20: ...072407 UHF 1 A 80 D47 A BOM Ref No Specification Package Description Quantity Part No Chip Resistor 1 0R 0402 5 1 R244 2 0R 0603 5 4 R24 R26 R27 R28 3 0 39R 1206 5 3 R236 R237 R238 4 10R 0603 5 1 R1 5 100R 0603 5 1 R449 6 330R 0603 5 3 R5 R6 R16 7 390R 0603 5 1 R253 8 470R 0603 5 1 R413 9 680R 0402 5 2 R232 R233 10 820R 0603 5 1 R424 11 1K 0603 5 10 R7 R8 R12 R17 R22 R30 R32 R34 R48 R401 12 1 5K 0...

Page 21: ...R43 R44 R49 R50 R51 R134 R139 R425 34 120K 0603 5 1 R132 35 150K 0603 5 7 R37 R239 R240 R241 R242 R243 R249 36 180K 0603 5 1 R248 37 270K 0603 1 1 R56 38 750K 0603 5 1 R422 39 1M 0402 5 1 R246 40 1M 0603 5 1 R9 41 1 8M 0603 5 2 R403 R406 42 NC 0603 1 R414 Resistor Network 43 1K 4 4 0603 YC164 JR 071K 3 CP1 CP2 CP4 44 100K 4 4 0603 YC164 JR 07100K 1 CP3 Adjustable Resistor 45 47K φ3 EVM3YSX50BQ4 1 ...

Page 22: ...V 1 C57 65 0 047UF 0402 X5R 10 16V 2 C402 C405 66 0 1UF 0402 X5R 10 16V 2 C58 C243 67 0 1UF 0603 X5R 10 16V 12 C12 C26 C27 C28 C32 C33 C37 C49 C56 C242 C410 C418 68 1UF 0805 Y5V 80 20 25V 2 C31 C122 69 NC 0402 2 C244 C346 70 NC 0603 3 C148 R62 R133 Tan Capacitance 71 0 47UF A type 20 6 3V 1 C5 72 1UF A type 20 6 3V 2 C42 C147 73 2 2UF A type 20 6 3V 2 C400 C419 74 4 7UF A type 20 6 3V 2 C55 C407 7...

Page 23: ...OP8 IC APC 1 IC201 93 AT24C08 SI27 SOP8 EEPROM 1 IC3 94 NJM2100V SSOP8 IC AUDIO AMP 1 IC400 95 XC6201P502PR SOT 89 3L IC 5V stability 1 IC4 96 µPD78F0512GA T 8EU A QFP48 CPU model after writing 1 IC1 97 WTV040 20S SOP20 Phonic IC 1 IC5 Crystal 98 18 0178MHz 6 0 3 5 1 0 18 0178MHz 1 X1 99 Fuse 100 3A 32V 1206 R429003 3A 32V 1 FU2 Connector 101 L10 10PIN FFC FPC connect underside connecting and upsi...

Page 24: ...0603 1 1 R448 18 1 2K 0603 5 3 R128 R219 R331 19 1 5K 0603 5 0 20 1 8K 0603 5 3 R338 R339 R427 21 1 8K 0603 1 1 R442 22 2 2K 0603 5 2 R20 R111 23 2 7K 0603 5 1 R109 24 3 3K 0603 5 5 R105 R124 R305 R332 R334 25 3 9K 0603 5 1 R321 26 4 7K 0402 5 1 C425 27 4 7K 0603 5 2 R25 R137 28 5 6K 0402 5 1 C426 29 5 6K 0603 5 4 R434 R450 R451 R454 30 6 8K 0603 5 1 R101 31 8 2K 0603 5 1 R119 32 10K 0603 5 4 R19 ...

Page 25: ...PF 16V 5 C120 C214 C215 C219 C339 55 1PF 0603 COG 0 1PF 16V 1 C205 56 1 5PF 0402 COG 0 1PF 16V 0 57 1 5PF 0603 COG 5 16V 1 C207 58 2PF 0402 COG 0 1PF 16V 5 C115 C123 C208 C210 C217 59 2 4PF 0402 COG 0 1PF 16V 0 60 2 5PF 0402 COG 0 1PF 16V 1 C319 61 3PF 0402 COG 0 1PF 16V 5 C105 C212 C218 C320 C337 62 4PF 0402 COG 0 1PF 16V 1 C340 63 5PF 0402 COG 0 1PF 16V 1 C216 64 6PF 0402 COG 0 1PF 16V 4 C106 C1...

Page 26: ...C146 C149 C150 C200 C204 C302 C322 C324 C343 C347 C359 C434 C438 C440 84 3300PF 0603 X5R 10 16V 1 R429 85 4700PF 0402 X5R 10 16V 2 C113 C363 86 5600PF 0402 X5R 10 16V 2 C428 C429 87 8200PF 0402 X5R 10 16V 1 C427 88 0 01UF 0402 X5R 10 16V 11 C22 C25 C119 C131 C132 C133 C151 C225 C300 C321 C354 89 0 01UF 0402 X5R 10 16V 1 C441 90 0 018UF 0402 X5R 10 16V 2 C442 C443 91 0 033UF 0402 X5R 10 16V 3 C430 ...

Page 27: ...G15HN18NJ02D 0402 HF Multi layer Inductor 2 L100 L211 111 LQG15HN22NJ02D 0402 HF Multi layer Inductor 3 L105 L115 L306 112 LQW31HN23NJ03L 1206 HF wound inductor 1 L103 113 LQW31HN27NJ03L 1206 HF wound inductor 1 L109 114 LQG15HN39NJ02D 0402 HF Multi layer Inductor 1 L113 115 LQG15HNR10J02D 0402 HF Multi layer Inductor 2 L303 L107 116 MLG1608BR10J 0603 HF Multi layer Inductor 1 L111 117 MLF1608A1R0...

Page 28: ... SOT 23 TRANSISTOR 1 Q302 137 2SC4226 R24 SOT 323 TRANSISTOR 5 Q100 Q101 Q102 Q103 Q205 138 2SC4617 SOT 416 TRANSISTOR 3 Q107 Q405 Q406 139 2SC4988 SOT 89 3L TRANSISTOR 1 Q204 140 2SK1824 SOT 416 FET 1 Q404 141 2SK508NV K52 SOT 23 FET 1 Q104 142 AO3400 SOT 23 FET 1 Q6 143 3SK318 SOT 343 FET 2 Q300 Q301 144 DTA114EE SOT 416 TRANSISTOR 1 Q311 145 DTA114YE SOT 416 TRANSISTOR 1 Q303 146 DTA143TE SOT 4...

Page 29: ...JTBM455C24 1 CD300 5 Mic FOM9745P G421 CZ034CP421 X15 G P φ9 7 4 5mm 1 M1 6 PTT 180 g 3 6mm 1 S3 7 Microphone Jack ST 106 Gilt 1 J2 8 Earphone Jack PJ 327 ST 016 041 PJ 3527 Gilt 1 J1 9 Speaker 4R 1W FCE φ36mm F36M188A 1 SP1 10 Speaker connection One red one black Copper wire with 7 cores 1 0 80 mm PVC 2 11 Encoder ED08714O FE18C9 0 A16 100 1 12 Potentiometer switch R08710NS FE15C7 0 A103 00A 1 13...

Page 30: ...P12307 002 Belt 1 P16307 003 Belt jack 1 P11307 003 PTT plastic key bracket 1 Single glue S07307 003 Speaker dustproof net φ38 48 1 S02307 001 Speaker sponge mat φ16 1 unit mm 1 S02307 003 Crystal sponge mat 7 4 1 mm 2 S06307 005 Radiate silica gel 7 3 8 1 0 1 S08307 001 Waterproof paster 1 Rubber part L06307 003 Anode and cathode rubber dot 2 L07307 002 Rubber mic cover 1 L01307 007 PTT rubber ke...

Page 31: ...Nut Φ4 0 3 5 M2 5 2 M19095 003 Nut Φ9 5 3 0 M6 2 M19013 002 Nut Φ13 5 2 5 M9 1 M18307 008 Belt spring ф0 8 line 1 M02307 004 Belt spindle Φ1 9 18 8 unit mm 1 M18308 006 Belt spring clip 1 Label part T15307 018 ABELL 欧标 PS mark Chinese 1 T15307 017 雷霆战警 PS mark 1 T15307 019 ABELL PS mark English 1 T15307 020 A 80 English PS mark 1 T11307 005 Transceiver host code 1 T12307 004 Transceiver host mark ...

Page 32: ...h PS mark 1 Oversea match 3 P01307 020 Shell 1 ABS PC Contained channel mark T15307 018 ABELL 欧标 PS mark Chinese 1 Domestic 4 T15307 019 ABELL PS mark English 1 Oversea 5 P11307 003 PTT plastic key bracket 1 ABS 6 L01307 007 PTT rubber key 1 RUBBER 50 7 M19013 002 Nut Φ13 5 2 5 M9 1 Brass color match with antenna seat 8 P04307 006 Indicted light guiding pole light 1 PC Transparence 9 A01A47 001 A...

Page 33: ...na seat SMA JFD 13 New 1 18 Encoder ED08714O FE18C9 0 A16 100 1 19 M19095 003 Nut Φ9 5 3 0 M6 2 Brass color match with encoder and potentiometer 20 Soft circuit T80FPC 2 S2676B 1 21 Potentiometer switch R08710NS FE15C7 0 A103 00A 1 22 L03307 003 Rubber waterproof loop 1 RUBBER 35 23 M17307 006 Aluminum shell 1 ADC12 24 MPB017 023 Screw Φ1 7 4 0PB 1 Plating colorful used On the anode 25 M01307 014 ...

Page 34: ...ort 5 7 5 2mm 4 37 P12307 002 Belt 1 ABS 38 P16307 003 Belt seat 1 ABS 39 M18308 006 Belt spring clip 1 40 M18307 008 Belt spring ф0 8 line 1 41 M02307 004 Belt spindle Φ1 9 18 8 unit mm 1 42 M02307 003 Battery clip spindle Φ1 8 20 unit mm 1 43 M18307 011 Battery lock clip spring Line diameterΦ0 5mm 1 44 P14307 006 Battery lock clip 1 ABS 45 P26307 001 Battery buckle plate 1 ABS 46 MKM025 022 Scre...

Page 35: ...UHF SERVICE MANUAL 35 50 S08307 001 Waterproof paster 1 PORON F01307 021 TH307H A47 Semi manufactured goods 1 S02307 003 Crystal sponge mat 7 4 1 mm 2 S06307 005 Radiate silicon gel 7 3 8 1 0 1 Match 2SK3476 ...

Page 36: ...CTION BAG H25 0085 04 14 PACKING FIXTURE H12 3037 02 21 BELT HOOK J29 0624 03 16 PROTECTION BAG H25 2012 04 3 CAP B09 0351 03 20 SP MIC HOLDER J21 4493 04 17 ITEM CARTON CASE H52 1522 02 G SCREW SET N99 0396 05 ANT WHIP ANTENNA T90 0694 15 M T90 0684 05 M4 ...

Page 37: ...or blow and measurements are highly stable and accurate about 0 2ppm 4 Power Meter 1 Measurable frequency Up to 500MHz 2 Impedance 50Ω instability 3 Measuring range full scare of 10W or so 4 A standard cable 5D2W 1m must be used 5 RF Voltmeter RF V M 1 Frequency range up to 500MHz or so 6 Linear Detector 1 Frequency range up to 500MHz or so 2 Characteristics are flat CN is 60dB or more 7 Digital V...

Page 38: ...evel 50mVto10Vrms ADJUSTMENT FREQUENCY LIST Destination DL DH Channel TX f MHz Rx f MHz TX f MHz Rx f MHz Center 415 025 440 025 Low 400 025 455 025 High 429 975 469 975 Remark Connect the transceiver to the PC Send the channel data to the transceiver then backup the data Program the adjustment frequencies which are on the list into the transceiver Note Remember to reload the backed up date after ...

Page 39: ... to the transmitter and receiver VCO Measurement Adjustment Item Condition Test Equipment Terminal Parts Method Specification Remarks 1 Setting 1 Power supply voltage Battery terminal 7 5V 1 CH TX high TC100 3 7V 0 2V 2 CH RX high TC101 3 7V 0 2 V 3 CH TX low 2 VCO lock voltage 4 CH RX low Digital voltmeter Tp100 Check More than 1 0V Receiver section Measurement Adjustment Item Condition Test equi...

Page 40: ...r Antenna Speaker Check SINAD 12dBor higher 4 Squelch Level PC mode 1 CH RX center MONI on PC key Level 9 Adjust to close the squelch The squelch must be closed 2 Level 9 SSG output 117dBm 3 Level 3 SSG output 125dBm 0 126μV Level 3 Adjust to close the squelch The squelch must be closed Transmitter section Measurement Adjustment Item Condition Test equipment Terminal Parts Method Specification Rem...

Page 41: ...2 2KHz 3 6KHz wide 1 1KHz 1 8KHz narrow 6 QT DEV PC MODE 1 CH TX high QT 67 0Hz Modulation Analyzer or linear detector LPF 3kHz Oscilloscope Audio generator Audio voltmeter PC key Adjust to 0 75 KHz wide Adjust to 0 35 KHz narrow 50Hz 50Hz 7 DQT DEV PC MODE 1 DQT 023N TX center Modulation Analyzer or linear detector LPF 3kHz Oscilloscope Antenna PC key Adjust to 0 75 KHz wide Adjust to 0 35 KHz na...

Page 42: ...A 80 UHF SERVICE MANUAL 42 BPF Wave Figure 1 ...

Page 43: ...A 80 UHF SERVICE MANUAL 43 PARTS VIEW side A ...

Page 44: ...A 80 UHF SERVICE MANUAL 44 Side B ...

Page 45: ...R22 1K C36 220P C23 220P C16 100P C19 0 1U C17 0 47U C14 1000P C13 1U R19 10K R20 2 2K R18 150 C24 100U 6 3 Q5 DTC114EE Q4 2SA1362 R2 10 Q7 DTC114EE Q6 3400 C20 0 47U R21 470K R23 56K R3 33K C21 1000P C22 0 01U 1 2 4 3 J1 C2 0 1U C15 10U NC 1 VCC 2 NC 3 VIN 4 PHASE 5 NF 6 PHASE 7 GND 8 GND 9 POUT 10 IC2 TA7368F AF OUT AFCC BATIN TXD BATOUT AF IN TI MIC AF MUTE CP3 100k 4 5C L3 磁珠 CP1 1k 4 R34 1K R...

Page 46: ... C403 3300P R402 3 3K R417 10K R403 1 8M R404 33K R405 33K R418 10K R406 1 8M R407 33K C402 0 047U Q400 2SC4617 Q401 2SC4617 5C MOD R419 2 2K C415 470P Q402 2SK1824 W N R434 5 6K R441 10K D R438 100K R439 470K R437 120K R442 1 8K D C430 0 033U C428 5600P C431 0 1U C427 8200P C434 1000P C426 5 6K C439 0 033U C437 56P C438 1000P C433 0 1U C429 5600P R426 1K 5 6 7 IC401B NJM2902 A 9 10 8 IC401C NJM29...

Page 47: ...108 3 3K R106 560 R109 3 3K R111 560 R112 0 R110 10K TP100 TP C114 0 68U C140 3 3U C102 100P C113 0 0047U L106 磁珠 L101 3 3UH L109 33NH C118 33P D102 ISV270 D103 ISV270 C117 100P C121 20P TC101 6P L108 100NH L107 100NH R113 100K Q100 2SC4226 R107 1K C101 0 5P C115 2P L100 18N L118 4 7UH C154 10P C153 10P C137 0 1U C136 1000P PLC C145 0 1U R128 1 2K MOD R120 22 C127 1000P R102 320 C100 470P R100 47 ...

Page 48: ...26 100K R327 100K R328 100K D307 HVC350B R311 0 AFC C344 5P R318 100K C330 470P C311 470P C319 2 5P C341 470P R304 0 R314 150 R322 22 C334 NC C343 1000P R313 1K D301 HSC277 D302 HSC277 R310 0 L302 磁珠 D304 HVC350B D303 HVC350B C308 4 7U 10V L306 22N L305 560NH L300 磁珠 RXC C353 470P C332 470P C355 20P C356 470P C361 0 1U C354 0 01U C348 33P C359 1000P C345 20P R319 220K R337 180K R321 3 9K R334 3 3K...

Page 49: ...6 Q200 2SK3475 C239 470P C240 0 1U C237 470P C238 7P C235 470P BATIN TXC C236 470P R218 22 AFC Q204 2SC4988 Q205 2SC4226 C212 5P L212 磁珠 C234 12P R216 10 C205 39P C206 30P R201 0 R204 270 C208 2P AFC BATIN TXC TXC TXC VCO OUT VCO OUT GND RF IN RF IN RF IN D201 HSC277 VCO OUT CN200 ANT C241 470P C243 0 1U C242 0 1U BATIN R238 0 39R R243 150K R237 0 39R C244 NC R239 150K R242 150K R240 150K R234 10K...

Page 50: ...y range 400 430MHz DH 440 480MHz DL RF power output 4W Channel capacity 16 Work voltage 7 5V DC 20 Temperature range 30 to 60 22 to 140 Dimension and weight with KNB 15A 7 2V 1100mAh 56 2 5 16 wide 115 4 15 16 high 33 1 3 8 long mm inch 380 GB 0 831bs ...

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Abell A-80, Service Manual

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