User manual PUXING PX888

[. . . ] . . . 7 FUNCTION SPECIFICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 CIRCUIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 SEMICONDUCTOR DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 16 PARTS LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 PCB BOARD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 SCHEMATIC DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 INTRODUCTION SCOPE OF THIS MANUAL This manual is intended for use by experienced technicians familiar with similar types of commercial grade communications equipment. It contains all required service information for the equipment and is current as of the publication data. Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions. These are issued as required. ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment information, the full part identification number should be included. Do not transmit without antenna. REALIGNMENT 1. MODE: USER MODE: For normal use, when turn on enter this mode. PC MODE: used to read and program radio. SELF-PROGRAMMING MODE: Hold down [MONI] and [menu] key accomplished by turning on the VOL/POWER switch until "SELF" displays. 2. 2. D215 N. U. L213 3T L212 3T C214 3P C212 15P R238 1K R212 0R C261 103P R262 T261 2SC4215 470R IF out N-det RSSI FL253 29. 250MHZ O I C247 4P L227 3T D220 HVC350B R234 100K VC241 6P C237 10P 12 13 14 15 16 L216 3T L214 3T VC220 6P C262 2P R274 1K2 C279 104P C273 224P C263 13P 5CC 5V 5T D214 HVC350B C222 470P C216 470P R213 100K C243 470P 5T R531 10K R278 D531 1N4148 C501 103P T525 UMC4 10 11 12 13 14 15 16 5T C401 103P C444 104P R443 1M8 R442 33K C442 332P R436 1K8 R441 33K C441 473P R435 4K7 E431 (T. Y. ) 4. 7uF U411B C431 223P R406 750K C407 102P R404 18K R403 100K LM4558 7 6 5 5T APC/TUNE SB C402 104P C403 470P L402 MIC 101T T421 MRF497 E421 2. 2uF (T. Y. ) R405 22K R431 30K 3 2 C408 102P T451 2SC4617 E451 2. 2uF (T. Y. ) R451 3K3 R453 22K R452 47K C451 103P C447 820P R449 10K R447 1M8 R448 33K C448 332P 8 C446 470P R446 33K T441 2SC4617 C443 680P U411A R433 LM4558 1 C405 102P C406 223P C404 273P R432 1K5 C445 473P R444 10K R434 51K C434 T431 2SK1824 R438 100R C422 104P D422 1SS372 2 3 3 OSC in CLK sel TX Aout Aout RX TX out RX out R527 22K C527 150P N. C. V bias RX in CLR Vdd C532 470P U512 FX/MX128 C533 470P C534 470P D530 1N4148 C531 103P R530 10K 9 4 1K8 OSC out 1 12 2 5V 5VOX C412 103P C416 R413 5K6 R414 270R R401 470R E401 4. 7uF (T. Y. ) C540 104P R540 100K 120P R539 100K 3. 58MHz R537 1M C538 47P C537 33P 5CC R408 1K C409 470P R416 0R R417 1M C410 103P R409 1K C411 470P 3 2 3 2 1 R535 100K R402 1K8 C542 104P R541 47K C541 150P 470P R669 1 C414 103P MIC 1 C539 C535 104P CR537 T401 DTA114EE T402 DTA114EE C413 103P C438 470P 1 R437 3K3 8 7 6 5 4 3 2 1 2 MIC T411 2SC4738 R415 100R 1K C417 104P D411 MA742 C415 104P BEEP N/W VOX APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 BEEP N/W APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 BEEP APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 7 8 9 10 11 12 BEEP TX in N. C. N. C. 10P R421 820R Vss BATT C202 470P R182 1M T102 DTA114EE R196 150K R194 5V T201 DTA114EE C201 103P C101 104P T103 2SB624 R101 4K7 T102 DTA114EE 5V C181 102P E181 4. 7uF (T. Y. ) C173 103P R195 150K 8 3 2 4 C172 105P C171 103P C195 471P R198 150K C198 NC R171 0. 39R R172 0. 39R R173 0. 39R C604 104P BATT R601 10K C601 470P P-AMP R612 2K2 C612 470P R613 2K2 T611 DTC114EE C602 124P T602 2SB624 C642 104P E641 1uF(T. Y. ) D R102 4K7 R181 10K U161B LM2904V 7 C185 470P 5 6 R185 10K 5T U161A LM2904V 1 C192 101P R192 C102 104P T181 DTC114EE R182 1M R183 47K R184 220K R196 150K R194 150K R197 150K R202 1K P-TX/RX C103 470P 150K R193 NC 5T C191 102P R189 18K C912 471P U911 5A Gnd out in R188 47K C188 104P R187 39K R186 NC C186 103P T191 DTC114EE C205 102P BATT C911 103P E911 10uF L220 18nH R230 3K3 R229 0R R231 100R C233 470P T231 3SK229 C230 470P R226 220K R223 0R R228 220R C232 102P C231 102P R227 100K R220 100K D217 HVC350B C228 470P C227 4P5 C223 0. 3P VC226 6P R217 100K E651 100uF APC/TUNE BATT 5T APC/TUNE BATT 5T R646 0R U641 TA7368 10 9 8 7 6 Pout nc PwG Vcc PreG nc Phase Vin NF Ripple 1 2 3 4 5 R644 10R C644 104P C643 100P C238 0. 5P C242 4P L224 3T C234 8P L223 3T L219 39nH R642 150R E642 10uF C640 1uF C641 220P C217 0. 3P C221 3P5 C215 N. U. D215 N. U. L213 3T L212 3T C214 3P C212 15P R212 0R B VC241 6P C237 10P L216 3T L214 3T VC220 6P BATT C904 103P C903 103P L901 101T C902 102P C901 105P C D214 HVC350B C222 470P C216 470P R213 100K BAT111 BATTERY BATT 5T C401 103P C444 104P R443 1M8 R442 33K C442 332P T431 2SK1824 R438 100R R401 470R C416 C411 470P 3 2 3 2 1 SW411A RD91 BEEP R450 10R 5T C408 102P 5T SB R405 22K APC/TUNE SB P-AMP 8 C446 470P R448 R446 33K T441 2SC4617 C443 680P R441 33K C441 473P R435 4K7 U411A R433 LM4558 1 R431 30K 3 2 E431 (T. Y. ) 4. 7uF U411B C431 223P LM4558 7 6 5 C405 102P C406 223P R406 750K C407 102P C404 273P C402 R403 100K 104P C403 470P L402 MIC 101T R432 1K5 SP AFin BEEP SW711 C711 103P ANKEY C445 473P R444 10K 4 1K8 R434 51K R436 1K8 C434 R404 18K SW712 BEEP C422 104P D422 1SS372 3 3 2 10P R437 3K3 R421 820R T421 MRF497 E421 2. 2uF (T. Y. ) C713 102P PTT SW713 ANKEY R715 B DTA114EE 5VOX C412 103P R413 5K6 R414 270R C413 103P C438 470P 2 1 R716 4K7 1 E401 4. 7uF (T. Y. ) R402 1K8 0R 470P R669 1 C414 103P MIC MIC T411 2SC4738 R415 100R 1K C417 104P D411 MA742 PX4401 SCHEMATIC DIAGRAM BEEP APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 C415 104P BEEP N/W APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 PX4401 Revision E01D Drawing By Lv Wei Jun Netec 0540 A 9 10 11 12 13 14 1 2 3 4 5 6 5C C319 104P C318 102P E319 4. 7uF (T. Y. ) 5C C329 C325 103P L326 100nH C327 NC C320 470P C328 2P R320 47R R325 1K L325 18nH R322 100K 10P C321 103P R321 4K7 T321 2SC4617(S) D321 MA2S11 C322 470P L324 101T C323 470P E323 10uF C324 470P T322 2SC3356 L331 180nH C331 100P R324 47K C335 11P L333 15nH D333 1SV278 CV +5R L363 E R383 RES R389 180R VR351 50K R388 C388 104P C387 102P CR311 4 1 5C VC X OUT GND 3 2 T352 UMC4 R332 100R L336 22nH T332 2SJ243 R346 1K C343 470P C345 470P R345 100K C342 1P L335 3. 3uH R331 150R R392 120K 5R 14. 4MHz R387 39K C386 102P D312 PMSD4148 R312 1K 10 9 8 100nH R381 10K C381 47P T362 2SC4215 R382 220K L382 100nH C385 82P 33K C317 101P C383 560P R376 22K R377 22K E377 4. 7uF (T. Y. ) C344 104P R347 22R C340 5P C338 1P T331 2SK508NV(K52) 2SC3356 7 6 5 4 3 2 C382 390P C384 CAP R313 NC R311 150K U311 C312 LMX2332 NC 1 GND_AGND_A OSC in GND_D GND_D GND_D C326 102P Vp 1 E326 4. 7uF (T. Y. ) Fo LD f in RF f in RF Do RF Vcc 1 D331 1SV325 D332 1SV325 L332 180nH C333 27P C332 2P f in IF f in IF Do IF Clock 11 12 13 14 15 16 17 18 19 20 Vcc 2 Data Vp 2 LE R326 0R PR311 1K C313 101P C314 101P C315 101P C316 102P C339 4P L347 100nH C360 7P C341 5P MOD R368 560R R367 R365 2K2 R366 6K8 E363 1uF R363 0R R364 4K7 E364 0. 1uF R362 150R R361 0R L361 101T L351 270nH C351 100P L329 101T D351 R333 15K C353 33P C352 2P L353 18nH C355 15P C347 102P C362 1P L355 3. 3uH R351 180R C906 471P U906 5A in out Gnd 560R 28. 8MHZ DQTo PLL_CS PC4 PC3 N/W/LD E367 0. 1uF 1SV325 L352 270nH D352 1SV325 T351 2SK508NV(K52) SB D 5V E905 10uF C905 103P R816 10K 5C 5V E907 10uF C907 103P C359 5P 5CC P-TX/RX 5C 5V DQTo 5M 28. 8MHZ MOD C361 10P R813 560R D814 GREEN T813 DTC114EE R814 560R D813 RED T814 DTC114EE T815 DTA114EE R817 4K7 R815 4K7 C817 104P R545 10K R852 R-1 R853 58K C852 221P C853 101P PC0 PC6 5M R283 R374 R378 NC R379 NC RV378 100K C280 103P E283 100R 10uF C285 221P C286 221P 8 7 6 5 O FL261 C281 450K 102P I C850 104P TXD/RED GREEN N/W/LD P-TX/RX 5CC R818 C818 104P 1 2 3 4 L851 101T R701 0R R717 10K R371 4K7 R372 4K7 11 10 9 8 7 6 5 4 3 2 1 R375 4K7 1K2 C372 103P PB5 PB4 PB3 PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 4K7 R546 330K SDA SCL OSC RST GND GND VOUT VDD 8 7 6 5 C851 104P 12 13 14 15 16 17 18 19 20 21 22 R287 3K9 R286 180K C283 104P C284 R285 104P 180K C271 20P 4 3 2 GND OSC out Dec FIL in IF in Vcc N-rec MIX out C282 104P CR272 21. 250MHz C546 104P C547 103P C C549 104P U821 BEEP R549 4K7 R831 150K 1 2 3 4 A0 Vcc A1 WP A2 CK GND DA 8 7 6 5 0R T881 R885 15K C885 103P R884 82K PB1 PB5 PB4 PB3 PC7 PC4 PC3 PC2 PC1 C855 333F R855 68K 24C08 R833 150K R832 150K C830 102P PR811 47K R827 10K C827 103P C856 392P C857 105P R857 22K C858 221P AD1 AD2 AD3 OSCI OSCO Vss PD1 PD2 PD3 Reset Vdd C548 104P R548 680R 23 24 25 26 27 28 29 30 31 32 33 L886 301T C886 104P T461 2SK1824 R886 R702 0R R863 100R C863 470P R866 10K R867 10K R868 4K7 C867 104P C862 332P 1K8 R864 3K3 R288 3K3 AF out IF out N-det RSSI U511 AUDIO (T. Y. ) R854 82K C854 103P R862 C378 104P MIX in OSC in 16 QUAD FIL out E854 4. 7uF AVdd RX O RX I TX I TX O Tone LC AVss D/A ATX ARX SB U811 U-EM44 PB2 PB1 PB0 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 44 43 42 41 40 39 38 37 36 35 34 R373 2K7 C371 223P C287 10P C288 471P U261 TA31136F DEV 1 C272 33P MIX IN 10 11 12 13 14 R277 100K C275 104P CR271 C28 R276 27K C276 27P C274 104P C278 104P R274 1K2 R858 2K2 5V R834 8K2 CR881 2SB624 32. 768KHz C811 27P C882 27P C883 104P R883 100K R861 RES T275 DTA114EE SQL JP811 1 2 LAMP 1 3 4 5 B 16 17 18 C831 101P C832 101P C833 101P JK511 C834 101P C304 NC R865 20K R304 100R R718 10K ATX C864 104P C524 104P C525 223P C526 223P C527 150P 8 Vss 15 C835 101P C836 101P C837 101P C838 101P C529 104P 7 JP18 1 2 3 4 5 C539 R872 R871 E871 4K7 C871 R873 4K7 C872 C540 104P R540 100K 120P R539 100K R713 100R R714 100R RXi PTT/RXD ST-301 6 TX in N. C. LCD CS K4 K3 K2 K1 D3 D2 D1 D0 LAMP 2 6 7 8 9 10 11 12 13 14 GND_D SB PB1 5V GND_D HT1621-CS PB5 PB4 PB3 PC7 D3 D2 D1 D0 PC6 MIC+ SP+ PB1 QT R278 0R 10 N. C. R527 22K PR812 1K V bias RX in 11 9 R529 22K C528 120P R528 100K 15 9 7 8 9 10 11 12 P_TX 5C C394 471P R393 100R C395 103P 5T R138 47K P_TX 5T L142 101T C144 470P C113 103P R111 15K C114 470P R114 22R C122 470P L122 15nH R123 C115 7P 150K L123 101T C128 102P R128 120K C132 N. U. L132 101T L131 15nH L133 22nH T131 2SK3078 C131 33P C138 470P C137 470P C134 102P C133 27P R135 0R R137 47K C142 1uF C143 103P R391 680R L391 100nH C392 T391 2SC3356 33P C393 15P L393 47nH R396 3K3 R397 220R R395 5K6 R394 3K3 C112 470P R113 33K L112 18nH R122 330R R392 120K C391 102P L392 22nH C127 470P R124 R127 47K R126 22R R136 47R T141 2SK3476 C141 NC L143 8T C145 104P C146 103P C396 102P R398 0R R399 3K3 C390 NC D111 HSC277 C111 470P R153 0R C151 1P C152 22P C153 NC T392 2SC3356 C397 P C398 102P T111 2SC3356 T121 2SC4988 R115 680R R121 22R C123 6P 10R C124 104P C125 470P C129 N. U. R125 0R C126 N. U. C135 N. U. C136 NC C121 470P D213 HSC277 5C 5T 5V R256 18K C256 103P C201 103P T201 DTA114EE 5C T301 DTA114EE C302 103P R301 1K C303 470P BATT 5V C181 102P E181 4. 7uF (T. Y. ) C173 103P R195 150K 8 3 2 4 5V C301 103P C172 105P C171 103P C195 471P R198 150K C198 NC R171 0. 39R R172 0. 39R R173 0. 39R C101 104P T103 2SB624 R101 4K7 C102 104P R102 4K7 R181 10K U161B LM2904V 7 C185 470P 5 6 R185 10K 5T U161A LM2904V 1 C192 101P R192 5R C255 5P 5CC P-TX/RX 5V 5R 5M FL261 C281 450K 102P O I R202 1K P-TX/RX C103 470P T181 DTC114EE R183 47K R184 220K 150K R193 NC 5T C191 102P 150K R197 150K R189 5T 5R C912 471P C206 103P R264 2. 7K C264 104P R252 R251 1K 2. 2K L252 0. 56uH L253 FL252 C257 21. 7MHz 5P R261 680K C272 33P MIX IN R188 47K C188 104P R187 39K R186 NC C186 103P 18K C205 102P BATT C911 103P E911 10uF L220 18nH C238 0. 5P C242 4P L224 3T C234 8P L223 3T R228 220R C232 102P C231 102P R227 100K R220 100K D217 HVC350B C228 470P L219 39nH R229 0R R230 3K3 R231 100R C233 470P T231 3SK229 C230 470P R226 220K R223 0R C227 4P5 C223 0. 3P VC226 6P R217 100K T191 DTC114EE C283 104P C284 104P C282 104P CR272 21. 250MHz C270 15P C251 15P R242 1K Gnd C252 6P L231 22nH C913 103P 5M E913 10uF U911 5A out in APC/TUNE BATT 5T APC/TUNE BATT 5T C271 20P 5 4 3 2 1 Dec IF in Vcc N-rec MIX out GND OSC out MIX in OSC in FL251 21. 7MHz C253 15P 270nH T251 3SK229 R237 0R C246 0. 5P R254 470R C254 103P R239 220R C250 103P C217 0. 3P C221 3P5 C215 N. U. [. . . ] D215 N. U. L213 3T L212 3T C214 3P C212 15P R212 0R B VC241 6P C237 10P L216 3T L214 3T VC220 6P BATT C904 103P C903 103P L901 101T C902 102P C901 105P C D214 HVC350B C222 470P C216 470P R213 100K BAT111 BATTERY BATT 5T C401 103P C444 104P R443 1M8 R442 33K C442 332P T431 2SK1824 R438 100R R401 470R C416 C411 470P 3 2 3 2 1 SW411A RD91 BEEP R450 10R 5T C408 102P 5T SB R405 22K APC/TUNE SB P-AMP 8 C446 470P R448 R446 33K T441 2SC4617 C443 680P R441 33K C441 473P R435 4K7 U411A R433 LM4558 1 R431 30K 3 2 E431 (T. Y. ) 4. 7uF U411B C431 223P LM4558 7 6 5 C405 102P C406 223P R406 750K C407 102P C404 273P C402 R403 100K 104P C403 470P L402 MIC 101T R432 1K5 SP AFin BEEP SW711 C711 103P ANKEY C445 473P R444 10K 4 1K8 R434 51K R436 1K8 C434 R404 18K SW712 BEEP C422 104P D422 1SS372 3 3 2 10P R437 3K3 R421 820R T421 MRF497 E421 2. 2uF (T. Y. ) C713 102P PTT SW713 ANKEY R715 B DTA114EE 5VOX C412 103P R413 5K6 R414 270R C413 103P C438 470P 2 1 R716 4K7 1 E401 4. 7uF (T. Y. ) R402 1K8 0R 470P R669 1 C414 103P MIC MIC T411 2SC4738 R415 100R 1K C417 104P D411 MA742 PX4401 SCHEMATIC DIAGRAM BEEP APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 C415 104P BEEP N/W APC/TUNE SB P-AMP MIC SP AFin MONI PTT D3 PB5 PX4401 Revision E01D Drawing By Lv Wei Jun Netec 0540 A 9 10 11 12 13 14 1 2 3 4 5 6 5C C319 104P C318 102P E319 4. 7uF (T. Y. ) 5C C329 C325 103P L326 100nH C327 NC C320 470P C328 2P R320 47R R325 1K L325 18nH R322 100K 10P C321 103P R321 4K7 T321 2SC4617(S) D321 MA2S11 C322 470P L324 101T C323 470P E323 10uF C324 470P T322 2SC3356 L331 180nH C331 100P R324 47K C335 11P L333 15nH D333 1SV278 CV +5R L363 E R383 RES R389 180R VR351 50K R388 C388 104P C387 102P CR311 4 1 5C VC X OUT GND 3 2 T352 UMC4 R332 100R L336 22nH T332 2SJ243 R346 1K C343 470P C345 470P R345 100K C342 1P L335 3. 3uH R331 150R R392 120K 5R 14. 4MHz R387 39K C386 102P D312 PMSD4148 R312 1K 10 9 8 100nH R381 10K C381 47P T362 2SC4215 R382 220K L382 100nH C385 82P 33K C317 101P C383 560P R376 22K R377 22K E377 4. 7uF (T. Y. ) C344 104P R347 22R C340 5P C338 1P T331 2SK508NV(K52) 2SC3356 7 6 5 4 3 2 C382 390P C384 CAP R313 NC R311 150K U311 C312 LMX2332 NC 1 GND_AGND_A OSC in GND_D GND_D GND_D C326 102P Vp 1 E326 4. 7uF (T. Y. ) Fo LD f in RF f in RF Do RF Vcc 1 D331 1SV325 D332 1SV325 L332 180nH C333 27P C332 2P f in IF f in IF Do IF Clock 11 12 13 14 15 16 17 18 19 20 Vcc 2 Data Vp 2 LE R326 0R PR311 1K C313 101P C314 101P C315 101P C316 102P C339 4P L347 100nH C360 7P C341 5P MOD R368 560R R367 R365 2K2 R366 6K8 E363 1uF R363 0R R364 4K7 E364 0. 1uF R362 150R R361 0R L361 101T L351 270nH C351 100P L329 101T D351 R333 15K C353 33P C352 2P L353 18nH C355 15P C347 102P C362 1P L355 3. 3uH R351 180R C906 471P U906 5A in out Gnd 560R 28. 8MHZ DQTo PLL_CS PC4 PC3 N/W/LD E367 0. 1uF 1SV325 L352 270nH D352 1SV325 T351 2SK508NV(K52) SB D 5V E905 10uF C905 103P R816 10K 5C 5V E907 10uF C907 103P C359 5P 5CC P-TX/RX 5C 5V DQTo 5M 28. 8MHZ MOD C361 10P R813 560R D814 GREEN T813 DTC114EE R814 560R D813 RED T814 DTC114EE T815 DTA114EE R817 4K7 R815 4K7 C817 104P R545 10K R852 R-1 R853 58K C852 221P C853 101P PC0 PC6 5M R283 R374 R378 NC R379 NC RV378 100K C280 103P E283 100R 10uF C285 221P C286 221P 8 7 6 5 O FL261 C281 450K 102P I C850 104P TXD/RED GREEN N/W/LD P-TX/RX 5CC R818 C818 104P 1 2 3 4 L851 101T R701 0R R717 10K R371 4K7 R372 4K7 11 10 9 8 7 6 5 4 3 2 1 R375 4K7 1K2 C372 103P PB5 PB4 PB3 PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 4K7 R546 330K SDA SCL OSC RST GND GND VOUT VDD 8 7 6 5 C851 104P 12 13 14 15 16 17 18 19 20 21 22 R287 3K9 R286 180K C283 104P C284 R285 104P 180K C271 20P 4 3 2 GND OSC out Dec FIL in IF in Vcc N-rec MIX out C282 104P CR272 21. 250MHz C546 104P C547 103P C C549 104P U821 BEEP R549 4K7 R831 150K 1 2 3 4 A0 Vcc A1 WP A2 CK GND DA 8 7 6 5 0R T881 R885 15K C885 103P R884 82K PB1 PB5 PB4 PB3 PC7 PC4 PC3 PC2 PC1 C855 333F R855 68K 24C08 R833 150K R832 150K C830 102P PR811 47K R827 10K C827 103P C856 392P C857 105P R857 22K C858 221P AD1 AD2 AD3 OSCI OSCO Vss PD1 PD2 PD3 Reset Vdd C548 104P R548 680R 23 24 25 26 27 28 29 30 31 32 33 L886 301T C886 104P T461 2SK1824 R886 R702 0R R863 100R C863 470P R866 10K R867 10K R868 4K7 C867 104P C862 332P 1K8 R864 3K3 R288 3K3 AF out IF out N-det RSSI U511 AUDIO (T. Y. ) R854 82K C854 103P R862 C378 104P MIX in OSC in 16 QUAD FIL out E854 4. 7uF AVdd RX O RX I TX I TX O Tone LC AVss D/A ATX ARX SB U811 U-EM44 PB2 PB1 PB0 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 44 43 42 41 40 39 38 37 36 35 34 R373 2K7 C371 223P C287 10P C288 471P U261 TA31136F DEV 1 C272 33P MIX IN 10 11 12 13 14 R277 100K C275 104P CR271 C28 R276 27K C276 27P C274 104P C278 104P R274 1K2 R858 2K2 5V R834 8K2 CR881 2SB624 32. 768KHz C811 27P C882 27P C883 104P R883 100K R861 RES T275 DTA114EE SQL JP811 1 2 LAMP 1 3 4 5 B 16 17 18 C831 101P C832 101P C833 101P JK511 C834 101P C304 NC R865 20K R304 100R R718 10K ATX C864 104P C524 104P C525 223P C526 223P C527 150P 8 Vss 15 C835 101P C836 101P C837 101P C838 101P C529 104P 7 JP18 1 2 3 4 5 C539 R872 R871 E871 4K7 C871 R873 4K7 C872 C540 104P R540 100K 120P R539 100K R713 100R R714 100R RXi PTT/RXD ST-301 6 TX in N. C. LCD CS K4 K3 K2 K1 D3 D2 D1 D0 LAMP 2 6 7 8 9 10 11 12 13 14 GND_D SB PB1 5V GND_D HT1621-CS PB5 PB4 PB3 PC7 D3 D2 D1 D0 PC6 MIC+ SP+ PB1 QT R278 0R 10 N. C. R527 22K PR812 1K V bias RX in 11 9 R529 22K C528 120P R528 100K 15 9 7 8 9 10 11 12 P_TX 5C C394 471P R393 100R C395 103P 5T R138 47K P_TX 5T L142 101T C144 470P C113 103P R111 15K C114 470P R114 22R C122 470P L122 15nH R123 C115 7P 150K L123 101T C128 102P R128 120K C132 N. U. L132 101T L131 15nH L133 22nH T131 2SK3078 C131 33P C138 470P C137 470P C134 102P C133 27P R135 0R R137 47K C142 1uF C143 103P R391 680R L391 100nH C392 T391 2SC3356 33P C393 15P L393 47nH R396 3K3 R397 220R R395 5K6 R394 3K3 C112 470P R113 33K L112 18nH R122 330R R392 120K C391 102P L392 22nH C127 470P R124 R127 47K R126 22R R136 47R T141 2SK3476 C141 NC L143 8T C145 104P C146 103P C396 102P R398 0R R399 3K3 C390 NC D111 HSC277 C111 470P R153 0R C151 1P C152 22P C153 NC T392 2SC3356 C397 P C398 102P T111 2SC3356 T121 2SC4988 R115 680R R121 22R C123 6P 10R C124 104P C125 470P C129 N. U. R125 0R C126 N. U. C135 N. U. C136 NC C121 470P D213 HSC277 5C 5T 5V R256 18K C256 103P C201 103P T201 DTA114EE 5C T301 DTA114EE C302 103P R301 1K C303 470P BATT 5V C181 102P E181 4. 7uF (T. Y. ) C173 103P R195 150K 8 3 2 4 5V C301 103P C172 105P C171 103P C195 471P R198 150K C198 NC R171 0. 39R R172 0. 39R R173 0. 39R C101 104P T103 2SB624 R101 4K7 C102 104P R102 4K7 R181 10K U161B LM2904V 7 C185 470P 5 6 R185 10K 5T U161A LM2904V 1 C192 101P R192 5R C255 5P 5CC P-TX/RX 5V 5R 5M FL261 C281 450K 102P O I R202 1K P-TX/RX C103 470P T181 DTC114EE R183 47K R184 220K 150K R193 NC 5T C191 102P 150K R197 150K R189 5T 5R C912 471P C206 103P R264 2. 7K C264 104P R252 R251 1K 2. 2K L252 0. 56uH L253 FL252 C257 21. 7MHz 5P R261 680K C272 33P MIX IN R188 47K C188 104P R187 39K R186 NC C186 103P 18K C205 102P BATT C911 103P E911 10uF L220 18nH C238 0. 5P C242 4P L224 3T C234 8P L223 3T R228 220R C232 102P C231 102P R227 100K R220 100K D217 HVC350B C228 470P L219 39nH R229 0R R230 3K3 R231 100R C233 470P T231 3SK229 C230 470P R226 220K R223 0R C227 4P5 C223 0. 3P VC226 6P R217 100K T191 DTC114EE C283 104P C284 104P C282 104P CR272 21. 250MHz C270 15P C251 15P R242 1K Gnd C252 6P L231 22nH C913 103P 5M E913 10uF U911 5A out in APC/TUNE BATT 5T APC/TUNE BATT 5T C271 20P 5 4 3 2 1 Dec IF in Vcc N-rec MIX out GND OSC out MIX in OSC in FL251 21. 7MHz C253 15P 270nH T251 3SK229 R237 0R C246 0. 5P R254 470R C254 103P R239 220R C250 103P C217 0. 3P C221 3P5 C215 N. U. D215 N. U. L213 3T L212 3T C214 3P C212 15P R238 1K R212 0R C261 103P R262 T261 2SC4215 470R IF out N-det RSSI FL253 29. 250MHZ O I C247 4P L227 3T D220 HVC350B R234 100K VC241 6P C237 10P 12 13 14 15 16 L216 3T L214 3T VC220 6P C262 2P R274 1K2 C279 104P C273 224P C263 13P 5CC 5V 5T D214 HVC350B C222 470P C216 470P R213 100K C243 470P 5T R531 10K R278 D531 1N4148 C501 103P T525 UMC4 10 11 12 13 14 15 16 5T C401 103P C444 104P R443 1M8 R442 33K C442 332P R436 1K8 R441 33K C441 473P R435 4K7 E431 (T. Y. ) 4. 7uF U411B C431 223P R406 750K C407 102P R404 18K R403 100K LM4558 7 6 5 5T APC/TUNE SB C402 104P C403 470P L402 MIC 101T T421 MRF497 E421 2. 2uF (T. Y. ) R405 22K R431 30K 3 2 C408 102P T451 2SC4617 E451 2. 2uF (T. Y. ) R451 3K3 R453 22K R452 47K C451 103P C447 820P R449 10K R447 1M8 R448 33K C448 332P 8 C446 470P R446 33K T441 2SC4617 C443 680P U411A R433 LM4558 1 C405 102P C406 223P C404 273P R432 1K5 C445 473P R444 10K R434 51K C434 T431 2SK1824 R438 100R C422 104P D422 1SS372 2 3 3 OSC in CLK sel TX Aout Aout RX TX out RX out R527 22K C527 150P N. C. V bias RX in CLR Vdd C532 470P U512 FX/MX128 C533 470P C534 470P D530 1N4148 C531 103P R530 10K 9 4 1K8 OSC out 1 12 2 5V 5VOX C412 103P C416 R413 5K6 R414 R401 470R E401 4. 7uF (T. Y. ) C540 104P R540 100K 120P R539 100K 3. 58MHz R537 1M C537 5CC R408 C410 103P R409 R535 100K R402 1K8 PDF created with pdfFactory Pro trial version www. pdffactory. com 1 C539 C535 104P CR537 T401 DTA114EE T402 DTA114EE C413 103P C438 470P 1 R437 3K3 8 7 6 5 4 3 2 1 2 BEEP TX in N. C. N. C. 10P R421 820R Vss BATT C202 470P R182 1M T102 DTA114EE R196 150K R194 9 10 11 12 13 14 P_TX P_TX 5T R138 47K L142 101T C144 470P R158 270R C143 103P L143 8T C145 104P C146 103P C158 NC R153 C141 NC 0R C151 1P C152 22P C153 NC C154 15P C157 470P C156 C155 27P 7P R157 270R L157 220nH D156 HVU131 C162 470P C161 3P L211 4T R211 0R D212 HSC277 BATT D211 HSC277 C211 2P L161 4T C163 10P C166 2P L162 4T C164 9P C167 5P L163 3T C165 10P C168 3P C169 1. 5P L164 1uH ANT111 ANT E C114 470P R114 22R C122 470P L122 15nH R123 C115 7P 150K L123 101T C128 102P R128 120K C132 N. U. L132 101T L131 15nH L133 22nH T131 2SK3078 C131 33P C138 470P C137 470P C134 102P C133 27P R135 0R R137 47K C142 1uF C112 470P R113 33K L112 18nH R122 330R C127 470P R124 R127 47K R126 22R R136 47R T141 2SK3476 T111 2SC3356 T121 2SC4988 R115 680R R121 22R C123 6P 10R C124 104P C125 470P C129 N. U. R125 0R C126 N. U. C135 N. U. C136 NC C121 470P 5T 5V T201 DTA114EE C201 103P C101 104P T103 2SB624 R101 4K7 T102 DTA114EE 5V C181 102P E181 4. 7uF (T. Y. ) C173 103P R195 150K 8 3 2 4 C172 105P C171 103P C195 471P R198 150K C198 NC R171 0. 39R R172 0. 39R R173 0. 39R C604 104P BATT R601 10K C601 470P P-AMP R612 2K2 C612 470P R613 2K2 T611 DTC114EE C602 124P T602 2SB624 C642 104P E641 1uF(T. [. . . ]