Alinco DJ-V57 Manual de usuario

Specifications

Circuit Description

Parts List

PC Board View

Adjustment

Schematic Diagram

Block Diagram

Exploded View

ALINCO, INC.

Service Manual

Service ManualService Manual

Service Manual

DJ-V57

www.ALINCO.ru

SPECIFICATIONS DJ-V57

SPECIFICATIONS DJ-V57SPECIFICATIONS DJ-V57

SPECIFICATIONS DJ-V57

136

000

～

173

995

MHz

144

000

～

145

995

MHz

400

000

～

479

995

MHz

430

000

～

439

995

MHz

136

000

～

173

995

MHz

400

000

～

511

995

MHz

Mode

F3E(FM)

Channel steps

、

kHz

Memory channels

200 channels, 2 CALL channel

Antenna connector

50Ω(unbalanced)

Frequency stability

±2.5ppm

Microphone impedance

2k ohm nominal

7.2V (Ni-MH battery)

～

(

external DC IN

)

℃

～

℃

(

external DC IN

)

°F

～

140

°F

(

external DC IN

)

*Guaranteed range per specifications

VHF Output power

approx. 5W

approx. 4.5W (with battery)

approx. 5W (external DC IN)

Modulation system

Variable reactance frequency modulation

WFM Max. frequency deviation

±5kHz

NFM Max. frequency deviation

±2.5kHz

Spurious emission

-60dB or less

Receive system

Double conversion superheterodyne

Intermediate frequencies

38.85MHz(1st) / 450kHz (2nd)

VHF Sensitivity (12dB SINAD)

-14dBu (center range)

UHF Sensitivity (12dB SINAD)

-12dBu (center range)

Selectivity

-6dB: 12kHz or more / -60dB: 35kHz or less

Audio output power

500mW (at 8ohm, MAX)

UHF Output power

Power supply

Usable temperature range

TX Frequency range

RX Frequency range

DJ-V57 CIRCUIT DESCRIPTION

[Reception]

1. RX Metho : Double Conversion Super Hetero yne

1st IF: 38.85 MHz

2n IF: 450 KHz

2. Front En

[VHF]

The signal input from antenna passes through the low pass filter, an then it is

amplifie at RF amplifier Q117. The amplifie signal is le to ban pass filter

an ban switch D132, then input to the mixer Q120.

[UHF]

The signal input from antenna passes through the high pass filter an low pass

filter, an then it is amplifie at RF amplifier Q123. The amplifie signal is le

to ban pass filter an ban switch D132, then input to the mixer Q120.

3. Mixer

The input signal to the mixer Q120 an the 1st local signal are a e or

subtracte at the mixer Q120, an the crystal filter XF101 selects the signal of

38.85 MHz, then it is amplifie at the 1st IF amplifier Q121 after the a jacent

signal is eliminate . The 1st local signal from VCO output is supplie to the

base of mixer Q120 passing through the buffer amplifier Q116.

4. IF

The signal amplifie at the 1st IF amplifier Q121 is supplie to pin 16 of IC105

for emo ulation. Also the signal of 12.8 MHz from X101 multiplie by three at

Q115, an then it is le to pin 1 of IC105. Two input signals are mixe in the

mixer circuit insi e of IC105 an converte into the 2n IF signal of 450 kHz.

The 2n IF signal output from pin 3 of IC105 is supplie to pin 5 of IC105 after

eliminating the a jacent signal at the ceramic filter CF101 in WFM mo e, or at

the ceramic filter CF102 in NFM mo e. The input 2n IF signal to pin 5 of

IC105 is emo ulate at the limiter amplifier an qua rature etection circuit

insi e of IC105, then output from pin 9 of IC105 as an AF signal.

5. Squelch

The AF signal from pin 9 of IC105 is input to pin 8 of IC105. The input signal

is output from pin 14 of IC105 passing through the noise filter amplifier an

rectifier circuits insi e of IC105. The rectifie signal is input to the A/D port

pin 82 of microcomputer IC109. Ju ging the signal, the microcomputer controls

ON/OFF of the au io output.

6. Au io

The AF signal from pin 9 of IC105 is amplifie at Q119, an then it is input to

pin 6 of IC106 passing through the active high pass filter Q118. The volume of

au io signal is a juste at the D/A converter IC106. The au io signal is input

to pin 2 of au io power amplifier IC104 an output from pin 6 to rive a

speaker.

7. VCO

[VHF]

VCO in VHF ban consists of the Colpitts oscillator. D106, D112, L112 an

L115 etermine the oscillating frequency, an the signal is oscillate at the

transistor Q103. L115 is passe at shift transistor Q107 when transmitting.

The oscillate signal is supplie to pin 16 of PLL-IC102 passing through the

buffer amplifier Q114.

[UHF]

VCO in VHF ban consists of the Colpitts oscillator. D119, D124, L127 an

L129 etermine the oscillating frequency, an the signal is oscillate at the

transistor Q108. L129 is passe at shift transistor Q111 when transmitting.

The oscillate signal is supplie to pin 16 of PLL-IC102 passing through the

buffer amplifier Q114.

8. PLL

PLL-IC102 is use to control the oscillating frequency of VCO. IC102 is

controlle by the serial control signal sent from the microcomputer IC109. The

12.8MHz for reference frequency of IC102 oscillates in the TCXO X101.

IC102 compares the frequency gaine by ivi ing the signal input to pin 16 of

IC102 by the control signal from IC109 with the frequency gaine by ivi ing

the reference frequency of 12.8 MHz. When the phase ifference is foun as a

result of phase comparison, the pulse signal is output from the charge pump

output of pin 21 of IC102, then the signal is converte into the DC voltage at

the low pass filter an a e to the catho e si e of VCO vari-cap to make the

phases equal. In result the stabilize oscillation can be one at the esire

frequency.

[Transmission]

1. Microphone Amplifier

The microphone amplifier IC110 has four operational amplifiers. The voice is

converte into the electric signal through the microphone, an then supplie to

IC110. The input signal is amplifie an pre-emphasize to be output.

The signal output from microphone amplifier is a juste the maximum

frequency eviation at D/A converter IC106. The a juste signal is a e to

the catho e of D111 of VHF or D123 of UHF VCO for eviation to change the

capacity of the oscillation circuit resulting the FM eviation.

2. Power Amplifier

The oscillate signal at VCO is amplifie at pre- river amplifier IC101, river

amplifier Q105 an power amplifier Q101. The power-amplifie signal is

supplie to the antenna through the uplexer after the harmonics are rejecte

enough at the low pass filter.

Parts List DJ-V57

MAIN Unit

Ref.No. Parts No. Parts Name

C101 CU3559 GRM155B30J105KE18D

C102 CU3535 GRM155B11H102KA01D

C103 CU3523 GRM1552C1H101JZ01D

C104 CU3535 GRM155B11H102KA01D

C105 CU3554 GRM155B11A104KA01D

C106 CU3535 GRM155B11H102KA01D

C107 CU3535 GRM155B11H102KA01D

C108 CU0124 GRM21BB30J226ME38L

C109 CU3504 GRM1553C1H3R0CZ01D

C110 CU3513 GRM1552C1H150JZ01D

C111 CU3535 GRM155B11H102KA01D

C112 CU3515 GRM1552C1H220JZ01D

C113 CU3511 GRM1552C1H100JZ01D

C114 CU3514 GRM1552C1H180JZ01D

C115 CU3559 GRM155B30J105KE18D

C116 NC

C117 CU3517 GRM1552C1H330JZ01D

C118 CU3516 GRM1552C1H270JZ01D

C119 NC

C120 CU3513 GRM1552C1H150JZ01D

C121 CU3516 GRM1552C1H270JZ01D

C122 CU3515 GRM1552C1H220JZ01D

C123 CU3502 GRM1554C1H1R0CZ01D

C124 CU3502 GRM1554C1H1R0CZ01D

C125 CU3518 GRM1552C1H390JZ01D

C126 CU3518 GRM1552C1H390JZ01D

C127 CU3017 C1608CH1H330JT-NS

C128 NC

C129 NC

C130 CU3535 GRM155B11H102KA01D

C131 CU3502 GRM1554C1H1R0CZ01D

C132 CU3501 GRM1554C1HR50CZ01D

C133 CU3535 GRM155B11H102KA01D

C134 CU3514 GRM1552C1H180JZ01D

C135 CU3513 GRM1552C1H150JZ01D

C136 CU3511 GRM1552C1H100JZ01D

C137 CU3547 GRM155B11C103KA01D

C138 CU3535 GRM155B11H102KA01D

C139 CU3527 GRM1552C1E221JA01D

C140 CU3535 GRM155B11H102KA01D

C141 CU3502 GRM1554C1H1R0CZ01D

C142 CU3502 GRM1554C1H1R0CZ01D

C143 CU3502 GRM1554C1H1R0CZ01D

C144 CU3547 GRM155B11C103KA01D

C145 CU3514 GRM1552C1H180JZ01D

C146 CU3535 GRM155B11H102KA01D

C147 CU3148 GRM188B31E105KA75D

C148 CU3547 GRM155B11C103KA01D

C149 CU3535 GRM155B11H102KA01D

C150 CU3527 GRM1552C1E221JA01D

C151 CU3515 GRM1552C1H220JZ01D

C152 CU3527 GRM1552C1E221JA01D

C153 CU3535 GRM155B11H102KA01D

C154 CU3535 GRM155B11H102KA01D

C155 CU3535 GRM155B11H102KA01D

C156 CU0119 GRM21BB30J106KE18L

C157 CU3547 GRM155B11C103KA01D

C158 CU3535 GRM155B11H102KA01D

C159 CU3535 GRM155B11H102KA01D

C160 CU3547 GRM155B11C103KA01D

C161 CU3535 GRM155B11H102KA01D

C162 CU3535 GRM155B11H102KA01D

C163 CS0396 TMCP1D104MTRF

C164 CU3527 GRM1552C1E221JA01D

C165 CU3535 GRM155B11H102KA01D

C166 CU3531 GRM155B11H471KA01D

C167 CU3508 GRM1552C1H7R0DZ01D

C168 CU3523 GRM1552C1H101JZ01D

C169 CU3554 GRM155B11A104KA01D

C170 CU3554 GRM155B11A104KA01D

C171 CU3535 GRM155B11H102KA01D

C172 CU3009 C1608CH1H080DT-NS

C173 CU3007 C1608CH1H060DT/S

C174 CU3013 C1608CH1H150JT/S

C175 NC

C176

CU3531

GRM155B11H471KA01D

C177

CU3507

GRM1552C1H6R0DZ01D

C178 CU3509 GRM1552C1H8R0DZ01D

C179 CU3535 GRM155B11H102KA01D

C180 CU3143 GRM188B30J475KE18D

C181 CU3554 GRM155B11A104KA01D

C182 CU3531 GRM155B11H471KA01D

C183 CU3518 GRM1552C1H390JZ01D

C184 CU3507 GRM1552C1H6R0DZ01D

C185 CU3502 GRM1554C1H1R0CZ01D

C186 CU3511 GRM1552C1H100JZ01D

C187 CU3512 GRM1552C1H120JZ01D

C188 CU3501 GRM1554C1HR50CZ01D

C189 CU3531 GRM155B11H471KA01D

C190 CU3507 GRM1552C1H6R0DZ01D

C191 CU3506 GRM1552C1H5R0CZ01D

C192 CU3518 GRM1552C1H390JZ01D

C193 CU3535 GRM155B11H102KA01D

C194 CU3554 GRM155B11A104KA01D

C195 CU3501 GRM1554C1HR50CZ01D

C196 CU3535 GRM155B11H102KA01D

C197 CU3507 GRM1552C1H6R0DZ01D

C198 CU3501 GRM1554C1HR50CZ01D

C199 CU3501 GRM1554C1HR50CZ01D

C200 CU3535 GRM155B11H102KA01D

C201 CS0396 TMCP1D104MTRF

C202 CU3523 GRM1552C1H101JZ01D

C203 CU3523 GRM1552C1H101JZ01D

C204 CU3502 GRM1554C1H1R0CZ01D

C205 CU3535 GRM155B11H102KA01D

C206 CU3511 GRM1552C1H100JZ01D

C207 CU3556 GRM155B10J224KE01E

C208 CU3531 GRM155B11H471KA01D

C209 CS0397 TMCP1C105MTRF

C210 CU3506 GRM1552C1H5R0CZ01D

C211 CU3535 GRM155B11H102KA01D

C212 CU3535 GRM155B11H102KA01D

C213 CU3531 GRM155B11H471KA01D

C214 CS0396 TMCP1D104MTRF

C215 CU3554 GRM155B11A104KA01D

C216 CU3535 GRM155B11H102KA01D

C217 CU3507 GRM1552C1H6R0DZ01D

C218 CU3523 GRM1552C1H101JZ01D

C219 CU3535 GRM155B11H102KA01D

C220 CU3507 GRM1552C1H6R0DZ01D

C221 NC

C222 CU3547 GRM155B11C103KA01D

C223 CU3508 GRM1552C1H7R0DZ01D

C224 CU3521 GRM1552C1H680JZ01D

C225 CU3535 GRM155B11H102KA01D

C226 CU3575 GRM1554C1H1R5BZ01D

C227 CU3503 GRM1554C1H2R0CZ01D

C228 CU3502 GRM1554C1H1R0CZ01D

C229 CU3502 GRM1554C1H1R0CZ01D

C230 CU3511 GRM1552C1H100JZ01D

C231 CU3521 GRM1552C1H680JZ01D

C232 NC

C233 CU3521 GRM1552C1H680JZ01D

C234 NC

C235 CU3517 GRM1552C1H330JZ01D

C236 CU3505 GRM1552C1H4R0CZ01D

C237 CU3535 GRM155B11H102KA01D

C238 NC

C239 CU3535 GRM155B11H102KA01D

C240 CU3547 GRM155B11C103KA01D

C241 CU3535 GRM155B11H102KA01D

C242 NC

C243 CU3519 GRM1552C1H470JZ01D

C244 CU3535 GRM155B11H102KA01D

C245 CU3523 GRM1552C1H101JZ01D

C246 CU3523 GRM1552C1H101JZ01D

C247 CU3523 GRM1552C1H101JZ01D

C248 CU3547 GRM155B11C103KA01D

C249 CU3517 GRM1552C1H330JZ01D

C250 CU3535 GRM155B11H102KA01D

C251 CU3535 GRM155B11H102KA01D

C252 CU3554 GRM155B11A104KA01D

C253 CU3554 GRM155B11A104KA01D

C255 CU3539 GRM155B11H222KA01D

C256 CU3539 GRM155B11H222KA01D

C257 CU3547 GRM155B11C103KA01D

C258 CU3554 GRM155B11A104KA01D

C260 CU3547 GRM155B11C103KA01D

C261 CU3547 GRM155B11C103KA01D

C262 CU3547 GRM155B11C103KA01D

C263 CU3535 GRM155B11H102KA01D

C264 CU3517 GRM1552C1H330JZ01D

C265 CU3547 GRM155B11C103KA01D

C266 CU3148 GRM188B31E105KA75D

C267 CU3554 GRM155B11A104KA01D

C268 CU3523 GRM1552C1H101JZ01D

C269 CU3501 GRM1554C1HR50CZ01D

C270 CU3501 GRM1554C1HR50CZ01D

C271 CU3575 GRM1554C1H1R5BZ01D

C272 CE0463 10CE100BSS

C273 CU3507 GRM1552C1H6R0DZ01D

C274 CU3547 GRM155B11C103KA01D

C275 NC

C276 CU3503 GRM1554C1H2R0CZ01D

C277 CU3502 GRM1554C1H1R0CZ01D

C278 CU3535 GRM155B11H102KA01D

C279 NC

C280 CU3509 GRM1552C1H8R0DZ01D

C281 CU3575 GRM1554C1H1R5BZ01D

C282 CU3523 GRM1552C1H101JZ01D

C283 CU3535 GRM155B11H102KA01D

C284 CU3547 GRM155B11C103KA01D

C285 CU3547 GRM155B11C103KA01D

C286 CU3535 GRM155B11H102KA01D

C287 CU3535 GRM155B11H102KA01D

C288 NC

C289 CU3531 GRM155B11H471KA01D

C290 CU3554 GRM155B11A104KA01D

C291 CU3554 GRM155B11A104KA01D

C292 NC

C293 CU3519 GRM1552C1H470JZ01D

C294 CS0397 TMCP1C105MTRF

C295 CU3531 GRM155B11H471KA01D

C296 CU3510 GRM1552C1H9R0DZ01D

C297 CU3509 GRM1552C1H8R0DZ01D

C298 CU3509 GRM1552C1H8R0DZ01D

C299 CU3509 GRM1552C1H8R0DZ01D

C300 CE0436 16CE47BSS

C301 CU3535 GRM155B11H102KA01D

C302 CU3535 GRM155B11H102KA01D

C303 CU3535 GRM155B11H102KA01D

C304 CU3531 GRM155B11H471KA01D

C305 CU3527 GRM1552C1E221JA01D

C306 CU3554 GRM155B11A104KA01D

C307 CU0124 GRM21BB30J226ME38L

C308 CU3547 GRM155B11C103KA01D

C309 CU3535 GRM155B11H102KA01D

C310 CU3531 GRM155B11H471KA01D

C311 CU3554 GRM155B11A104KA01D

C312 CU3554 GRM155B11A104KA01D

C313 CU3554 GRM155B11A104KA01D

C314 CU3527 GRM1552C1E221JA01D

C315 CU3535 GRM155B11H102KA01D

C316 CU3535 GRM155B11H102KA01D

C317 CU3535 GRM155B11H102KA01D

C318 CU3138 GRM188B31C225KE14D

C319 CU3554 GRM155B11A104KA01D

C320 CU3554 GRM155B11A104KA01D

C321 CU3535 GRM155B11H102KA01D

C322 CU3554 GRM155B11A104KA01D

C323 CU3535 GRM155B11H102KA01D

C324 CU3535 GRM155B11H102KA01D

C325 CU3554 GRM155B11A104KA01D

C326 CU3554 GRM155B11A104KA01D

C327 CU0124 GRM21BB30J226ME38L

C328 CU3138 GRM188B31C225KE14D

C329 CU3535 GRM155B11H102KA01D

C330 CS0439 TMCMA0J476MTRF

C331 CU3535 GRM155B11H102KA01D

C332 CU3535 GRM155B11H102KA01D

C333 CU3535 GRM155B11H102KA01D

C334 CU3554 GRM155B11A104KA01D

C335 CU3559 GRM155B30J105KE18D

C336 CU3535 GRM155B11H102KA01D

C339 CU3535 GRM155B11H102KA01D

C340 CU0119 GRM21BB30J106KE18L

C341 CU3535 GRM155B11H102KA01D

C342 CU3547 GRM155B11C103KA01D

C343 CU3547 GRM155B11C103KA01D

C344 CU3559 GRM155B30J105KE18D

C345 CU3138 GRM188B31C225KE14D

C346 CU3148 GRM188B31E105KA75D

C347 CU3535 GRM155B11H102KA01D

C348 CU3554 GRM155B11A104KA01D

C349 CU3148 GRM188B31E105KA75D

C350 CU3535 GRM155B11H102KA01D

C351 CU3535 GRM155B11H102KA01D

C352 CU3554 GRM155B11A104KA01D

C353 CU0119 GRM21BB30J106KE18L

C354 CU3535 GRM155B11H102KA01D

C355 CU0119 GRM21BB30J106KE18L

C356 CU3535 GRM155B11H102KA01D

C357 CU3547 GRM155B11C103KA01D

C358 NC

C359 CU3553 GRM155B11A473KA01D

C360 CU3553 GRM155B11A473KA01D

C361 CU3527 GRM1552C1E221JA01D

C362 CU3545 GRM155B11E682KA01D

C363 CU3554 GRM155B11A104KA01D

C364 CU3559 GRM155B30J105KE18D

C365 CU3523 GRM1552C1H101JZ01D

C366 CU3539 GRM155B11H222KA01D

C367 CU3554 GRM155B11A104KA01D

C368 CU3535 GRM155B11H102KA01D

C369 CS0439 TMCMA0J476MTRF

C370 NC

C371 CU3514 GRM1552C1H180JZ01D

C372 CU3535 GRM155B11H102KA01D

C373 CU3541 GRM155B11H332KA01D

C374 CU3554 GRM155B11A104KA01D

C375 CU3547 GRM155B11C103KA01D

C376 CU3148 GRM188B31E105KA75D

C377 CU3535 GRM155B11H102KA01D

C378 CU3513 GRM1552C1H150JZ01D

C379 CU3535 GRM155B11H102KA01D

C380 CU3553 GRM155B11A473KA01D

C381 CU3543 GRM155B11E472KA01D

C382 CU3535 GRM155B11H102KA01D

C383 CU3148 GRM188B31E105KA75D

C384 CU3535 GRM155B11H102KA01D

C385 CU3554 GRM155B11A104KA01D

C386 CU3533 GRM155B11H681KA01D

C387 CU3523 GRM1552C1H101JZ01D

C388 CU3535 GRM155B11H102KA01D

C389 CU3559 GRM155B30J105KE18D

C390 CU3148 GRM188B31E105KA75D

C391 CU3535 GRM155B11H102KA01D

C392 CU3559 GRM155B30J105KE18D

C393 CU3554 GRM155B11A104KA01D

C394 CU3541 GRM155B11H332KA01D

C395 CU3535 GRM155B11H102KA01D

C396 CU0119 GRM21BB30J106KE18L

C397 CU3535 GRM155B11H102KA01D

C398 CU3535 GRM155B11H102KA01D

C399 CU3535 GRM155B11H102KA01D

C400 CU3553 GRM155B11A473KA01D

C401 CU3559 GRM155B30J105KE18D

C402 NC

C403 CU3535 GRM155B11H102KA01D

C404 CU3547 GRM155B11C103KA01D

C405 CU3535 GRM155B11H102KA01D

C406 CU3527 GRM1552C1E221JA01D

C407 CU3535 GRM155B11H102KA01D

C408 CE0436 16CE47BSS

C409 CU3535 GRM155B11H102KA01D

C410 CU3547 GRM155B11C103KA01D

C411 CU3547 GRM155B11C103KA01D

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