Samsung SGH-A300 Service Manual www.s
Contents
1. SAMSUNG Proprietary Contents may change without notice 4 1 PCB diagrams 4 2 SGH A300 Main PCB Bottom Diagram AMI 520 CN6O eso css7 v622 R209 207 18022 9201 ve20 309 R301 c302 8305 R3C0 C303 OSC300 op C332 I C327 C544 C547 Re 8 16 1 R410 529 US SA2. Check the connection from CN601 to LCD Module Replace Flexible PCB Check the voltage on the speaker line lands on LCD Module Change the LCD Module Is Speaker working Replace the Speaker or resolder Speaker END SAMSUNG Proprietary Contents may change without notice 5 6 Flow Chart of Troubleshooting and Circuit Diagram 5 7 SGH A300 Key Data Input Check initial operation D Y Check the connection between CN602 and Keypad Y pin 1 3 4 of CN602 is Check the M46 U201 When one of the keys is pushed one of pin 5 12 of CN602 is High Replace the key PCB END SAMSUNG Proprietary Contents may change without notice 5 7 Flow Chart of Troubleshooting and Circuit Diagram 5 8 SGH A300 Ring Indicator Ring Indicator does not work P Y Y Check the connection between CN602 and Keypad Y Check the Q203 pin 2 is N Check M46 U201 High by Factory Test Program Replace Q203 CN602 pin 14 1 gt Resolder CN602 Y Key PCB is OK N TT Replace the key PCB Y END SAMSUNG Proprietary Contents may change without notice 5 8 Flow Chart of Troubleshooting and Circuit Diagram 5 9 SGH A300 Back Light C Backlight does not work
3. Check the connection between CN601 and LCD Module Y Backlight mode in N Select backlight ON mode he menu Check M46 U201 using Factory Test Program Check the connection from CN601 to LCD Module gt Replace flexible PCB Replace LCD Module veep R609 100K 20603 CN602 1 P Rin0 1 1 2 2 R 8 Kbd_Rtn1 5 3 6 Kbd_Rtn2 C647 219 Kbd_Strbo 75 6 Kbd_Strb1 A 33PF Kbd Strb2 97 86 Kbd_Strb3 3 Kbd_Strb4 n 19 12 Kbd 515 5166 12 Kbd_Strb7 Green_Led_En 13 43 14 14 Red Led En T 15 15 16 16 17 17 18 18 KEY PAD CTL Flip Si 19 19 20 20 ip Sns C611 C609 SLCD CS 1 1 2 2 MLCD CS LED_CTL 53 46 Write as 75 C608 9 10 10 12 12 E al 13 13 14 14 u Reset_B 15 15 16 16 Mtr En Speakers 17 17 18 18 5 19 20 20 0201 V620 x a R220 ZD604 330 Green Led En lt 3 Gn 202 i 2 Green_Led 7 R219 p 330 Red Led En lt 3 c14 203 9 2 Red Led 1 SAMSUNG Proprietary Contents may change without notice 5 9 Flow Chart of Troubleshooting and C
4. Replace TA Check the pin 2 of U802 N gt Check the U201 using Factory Test Program Y pin 5 6 of U8021 is more N Resolder R648 R651 R646 END Change U605 Ta_Det Vbat U605 1 SENSE DRIVE 2 GND SENsE S 2 4 C634 vet gt WU 3lvcc PROG rife 10V 08021 C635 7 R637 1 6 7 100 3 3K 1 L T 10 2 R651 ER Charger Disable 0 5 R648 3 7 4 10K TA PRES SAMSUNG Proprietary Contents may change without notice 5 4 Flow Chart of Troubleshooting and Circuit Diagram 5 5 SGH A300 Microphone Part C Micro Phone does not work 2 Y check the connection Change MIC600 from MIC600 Audio loopback is enabled by board test program R104 R107 2 2 N Resolder R104 R107 R103 END Mic_Bias lt R104 R103 1 1K 330 Al MIC BIAS B1 i a MIC INP C111 22PF Mic C113 C116 22PF 33PF C115 a 47NF Mic R107 1 1K SAMSUNG Proprietary Contents may change without notice 5 5 Flow Chart of Troubleshooting and Circuit Diagram 5 6 SGH A300 Speaker Part Speaker does not work Y Y Check the connection between CN601 and LCD Module connector
5. umm DUAL BAND GSM TELEPHONE SGH A300 S Manual DUAL BAND GSM TELEPHONE CONTENTS 1 Exploded Views and Parts List 2 Electrical Parts List 3 Block Diagrams 4 PCB Diagrams 5 Flow Chart of Troubleshooting and Circuit Diagram 1 Exploded Views and Parts List 1 1 SGH A300 GSM Telephone Exploded View 1 2 SGH A300 GSM Telephone Parts List 1 3 SGH A300 Travel Adapter 1 4 SGH A300 Travel Adapter Parts List 1 5 SGH A300 Cigarette Lighter Adaptor 1 6 SGH A300 Cigarette Lighter Adapter Parts List 1 7 SGH A300 Test Jig 1 7 1 SGH A300 Test Jig Cable 1 7 2 SGH A300 RF Jig Cable 1 7 3 SGH A300 Test Jig Electrical Parts List 3 Block Diagrams 3 1 Main Block Diagram 3 2 Main RF 3 2 1 RF Tx Part 3 2 2 RF Rx Part 4 PCB Diagrams 4 1 Main 4 2 Main Bottom 5 Flow chart of trouble shooting 5 1 Power ON 5 2 Initial 5 3 Sim Part 5 4 Charging Part 5 5 Microphone Part 5 6 Speaker Part 5 7 Key Data Input 5 8 Ring Indicator 5 9 Back Light 5 10 Alert Tone 5 11 GSM Receiver 5 12 GSM Transmit 5 13 DCS Receiver 5 14 DCS Transmit SAMSUNG Proprietary Contents may change without notice 1 1 List 1 Exploded View and its Parts 1 1 SGH A300 GSM Telephone Exploded View SAMSUNG Proprietary Contents may change without notice 1 2 1 2 SGH A300 GSM Telephone Parts List Exploded view and its Part List SEC CODE Loca
6. 5 V TP 1005 87 2203 005065 C403 1000 nF 80 20 10 V Y5 V TP 1608 88 2203 005065 C404 1000 nF 80 20 10 V Y5 V TP 1608 89 2203 005664 C405 4700 nF 10 6 3 V X5R TP 2012 90 2203 005664 C406 4700 nF 10 6 3 V X5R TP 2012 91 2203 000254 C407 10 nF 10 16 V X7R TP 1005 92 2203 005065 C408 1000 nF 80 20 10 V Y5 V TP 1608 93 2203 000995 C409 0 047 nF 5 50 V NPO TP 1005 94 2203 000359 C410 0 15 nF 5 50 V NPO TP 1005 95 2203 000359 C411 0 15 nF 5 50 V NPO TP 1005 96 2203 000254 C412 10 nF 10 16 V X7R TP 1005 97 2203 005065 C413 1000 nF 80 20 10 V Y5 V TP 1608 98 2203 000233 C414 0 1 nF 5 96 50 V NPO TP 1005 99 2404 001155 C415 100 uF 10 6 3 V LZ TP 4427 100 2208 005562 C416 10000 nF 80 20 10 V Y5 V TP 3216 101 2203 005061 C417 100 nF 80 20 16 V Y5 V TP 1005 SAMSUNG Proprietary Contents may change without notice 2 3 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 102 2203 000940 C418 470 pF 10 926 50 V X7R TP 1005 103 2208 000254 C419 10 nF 10 9 16 V X7R TP 1005 104 2404 001086 C420 4 7UF 20 6 3 V GP TP 2012 105 2208 000233 C500 0 1 nF 5 96 50 V NPO TP 1005 106 2203 000438 C501 1 nF 10 95 50 V X7R TP 1005 107 2208 000812 C503 0 033 nF 5 96 50 V NPO TP 1005 108 2203 000233
7. Jezseuu s JHN AWA ex ZHN 087154 0551 520 ZHN 09613 5951 WSO OJA 3Hn oud XL HM XL Ix gt 19414 4001 ED ZHIN 08 24520 4 ZHN WSO Soe ele OOD lt lt ZHW 882101 OLLI 520 NON WN 90 ZHIN S16 01 068 WSO Jejdnoo OLL pueg eng pueg BPYL BP6I Wd pueg jeng yoly JH KOELLXI QNV8 SAMSUNG Proprietary Contents may change without notice 3 2 Block Diagrams 3 2 1 SGH A300 RF Receive Part Block Diagram SAMSUNG Proprietary Contents may change without notice 3 3 Block Diagrams 3 2 2 SGH A300 RF Transmit Part Block Diagram SOG ASD uono l s ONvG N3XL 00700 0010 29114 001 WYd pwp x 1 138 gt m y B 002250 HND 55 16 068 17529 Jl uso III 011400 M S UV M S BUUBJUV SOQ ZHWS8 1 01 1 SAMSUNG Proprietary Contents may change without notice 3 4 4 SGH A300 PCB Diagrams 4 1 SGH A300 Main PCB Top Diagram Reoo s00 5 0500 gt 3 1500 R503 R502 R505 2505 0501 1
8. it Diagram Flow Chart of Troubleshooting 9 3259 5550 euni jun UA E 5 XL u s NASA LED u s euni 22 us Zu T T 1445 9 Adee 4458 2225 sieo 0259 aa NASA 4 4 doux SL 60 5 Z Qum ES 0445 FE da 34055 saose ax lt ize LEI reo 5759 tied 96 Bo mj fs is is F E sn 5 6018 uo 5 8 98 55 5 9 8 3 5 9 8 55 m u H xH lt E Oca 0 9 P 555 8 m oi g VO o 9 9 b 4 2 5 gos eano oosn ax XL 00 4 Te SODA 9 Ti P L EB TF EN id dase ZIDA 02 9 3 siey 8059 929 199 seo und YE 3 LAND 04974 TT F di e 11 a s 5 S 5 9 B
9. xH 02502 103 xH 02902 PUEGUSIH 1179413 ODA tH MYS 90075341 BS ONYE STU WOT NS LOU ieq uk MTU WO NS ONIV XH ONY NAS wir za l ura NIMS CERU N NP 3l XE Al X NI IX Ano WX ouo Ano ivg 2 NI 1v 32 Wes 112 950 letus 835385 VL ZHI 61 001250 3100115 olu ONS 1808 YO Lago 1504002 06705 iO us 186715 puj pues 1557200 9108510 190 1e iuesald El wey uy oc veg 44000 Id luz sezzng odi 101 SRL 5381 RIO viuo 318009 yx 1H 3 545 lux waxy degung KISA IXA 190781 1 120 4 xu NEI maga LOGE TISH Vaal HOUD J 0 2 NT 10K 156 QUESO SVN Nid 02 IWW Np 8 HSV13 NZE SAMSUNG Proprietary Contents may change without notice 3 1 3 2 SGH A300 Main RF Block Diagram Block Diagrams 19114 ssedpueg MVS XH WSD Slid 95705 ZHW9 t yuexauoy 19114 ssedpueg MYS XH 520 2915 MVS 2 yafay 01744 9 3 9 9 10 9 2 JOXIW VN1 Gb uteo aBeyon 9 9 10 gpg ueg ME 041 51520 WHN 902 XL NSO 194 doo
10. 0508 R518 R514 R513 R517 C655 R520 8521 1509 KISS C107 R103 fri Cal ors R651 R648 U8021 EI e205 e204 5 8 0SC200 C207 C280 amp 17
11. soa 2 5 8 E 3 put ld M m o MS aj wax S Y a z ims lt ns uso vil 5 E eso 8 eisn big ones TEE ES on m aan E gos E 0002 ES ose p tn sate E n 299 t lt o eesi eduso lt sosu t lt J dou sate L 4 a ss g 2 3 3 tiit XL gt gt Isa p fs cist w lt I ns soa ooz visu Ji i asu D gt z oxi Y A 7 sosn Ido 8 lt wn ail 4005 Am T ed sod gt tno m lt am z 555 QN9 2 son n eduso D gt 1 amm as v T T aaoo _ _ eso p oues x 1 ua xu soq gt wz ies 99 9999 2091 d 109 s z E iSi CS jj 1 in aw lt arsa pon m aem nei P 1 iso siso 2081 2050 _ aron E tfi m gw eoon Hed 9555 109 D z 2 TS T s Wr Macr 5 ja A osi S dem E p wei ej m 9280 0813 uso T T I ent gt 1 me 5 15 SAMSUNG Proprietary Contents may change without notice
12. 1 x 0 5 x 0 6 mm TP 398 1405 001082 V617 5 6 V 20A 1 x 0 5 x 0 6 mm TP 399 1405 001082 V618 5 6 V 20A 1 x 0 5 x 0 6 mm TP 400 1405 001082 V619 5 6 V 20A 1 x 0 5 x 0 6 mm TP 401 1405 001082 V620 5 6 V 20A 1 x 0 5 x 0 6 mm TP 402 1405 001082 V621 5 6 V 20A 1 x 0 5 x 0 6 mm TP 403 1405 001082 V622 5 6 V 20A 1 x 0 5 x 0 6 mm TP 404 0404 001044 ZD400 UPS5817 20 V 1A SMD TP 405 0404 000108 ZD401 RB705D 20 V 30 mA SOT 23 TP 406 0404 000108 ZD402 RB705D 20 V 30 mA SOT 23 TP 407 0406 001104 ZD602 ESDA6V1 5W6 6 1 7 2 V 100 W SOT 323 6L 408 0406 001104 ZD603 ESDA6V1 5W6 6 1 7 2 V 100 W SOT 323 6L 409 0406 001104 ZD604 ESDA6V1 5W6 6 1 7 2 V 100 W SOT 323 6L 410 0406 001104 ZD605 ESDA6V1 5W6 6 1 7 2 V 100 W SOT 323 6L SAMSUNG Proprietary Contents may change without notice 2 13 3 SGH A300 Block Diagrams 3 1 SGH A300 Main Block Diagram ZHA 9821 0121 HN 916 068 PINGI 9EOWT Buy yoy ras Sxx AST XL Sod xa Xu 2 0881 5081 SIG 7HN 096 S 6 euuoruy 091201 919000 na E sa TOELLXO NVd OVd teo ju ol pny 100520 m 52 X 10073801 NINIT 107307 p eun OGUNI dM XL OGY Xnv 17055 Ni SD ZHN6SE WSS 3093 831113 5 2902
13. 2007 000148 R209 10 kohm 5 1 16 W DA TP 1005 263 2007 000148 R211 10 kohm 5 1 16 W DA TP 1005 264 2007 000148 R212 10 kohm 5 1 16 W DA TP 1005 265 2007 000148 R213 10 kohm 5 1 16 W DA TP 1005 266 2007 000148 R214 10 kohm 5 1 16 W DA TP 1005 267 2007 000148 R215 10 kohm 5 1 16 W DA TP 1005 268 2007 000138 R216 100 ohm 5 1 16 W DA TP 1005 269 2007 007771 R217 0 ohm 5 1 16 W DA TP 1005 270 2007 000170 R218 1 Mohm 5 95 1 16 W DA TP 1005 271 2007 001313 R219 330 ohm 5 1 16 W DA TP 1005 272 2007 001313 R220 330 ohm 5 1 16 W DA TP 1005 273 2007 007193 R223 5 1 ohm 5 95 1 16 DA TP 1005 274 2007 000932 R228 470 ohm 5 1 16 W DA TP 1005 275 2007 007771 R280 0 ohm 5 1 16 W DA TP 1005 276 2007 000932 R281 470 ohm 5 1 16 W DA TP 1005 277 2007 001288 R300 18 ohm 5 1 16 W DA TP 1005 278 2007 001288 R301 18 ohm 5 1 16 W DA TP 1005 279 2007 001323 R302 3 kohm 5 95 1 16 W DA TP 1005 280 2007 000172 R303 10 ohm 5 1 16 W DA TP 1005 281 2007 000172 R304 10 ohm 5 1 16 W DA TP 1005 282 2007 001288 R305 18 ohm 5 1 16 W DA TP 1005 283 2007 001323 R306 3 kohm 5 1 16 W DA TP 1005 284 2007 008213 R307 4 3 kohm 1 95 1 16 W DA 1005 285 2007 007001 R308 3 9 kohm 5 1 16 W DA TP 1005 286 2007 002965 R309 15 ohm 5 1 16 W
14. 897 5 MHZ 1 1 2DB TP 376 2007 000137 U506 2 kohm 5 95 1 16 W DA TP 1005 377 1201 001697 U507 RF210 51 TSSOP 20P 173MIL 378 1201 001753 0508 MSOP TP 8P 118MIL DUAL 379 0504 001042 U509 BCR10PN NPN PNP 250 mW 10K 10K 380 1201 001754 U510 MOM 16 PLASTIC 7V 381 1209 001219 U511 LM60C SOT 23 3P 115MIL PLASTIC 382 0801 002640 U512 7WZ00 2 INPUT NAND GATE 058 8P 383 2806 001192 U513 902 5 1747 5 MHZ TP 2 7 V 50 mA 384 1106 001301 U514 1337 262K x 16Bit CSP 72P 385 1103 001147 U515 24256 256KBIT SOP 8P 150MIL 386 0506 001052 U600 NPN 2 150 mW 88 68 387 1201 001462 U602 4864 MSOP 8P 118MIL 388 0504 001071 U603 UMD9N NPN PNP 150 mW 4 7 UMT6 TP 389 1203 002127 U605 1734 SOT 23 6P 150MIL SAMSUNG Proprietary Contents may change without notice 2 12 Electrical Parts List Level SEC CODE Design LOC DESCRIPTIONS Remark 390 0801 002641 U8016 7WZ08 2 INPUT AND GATE 58 8P 391 0506 001052 U8021 NPN 2 150 mW SC 88 TP 68 392 0406 001104 U8022 ESDA6V1 5W6 6 1 7 2 V 100 W SOT 323 6L 393 1405 001082 V600 5 6 V 20A 1 x 0 5 x 0 6 mm TP 394 1405 001082 V601 5 6 V 20A 1 x 0 5 x 0 6 mm TP 395 1405 001082 V605 5 6 V 20A 1 x 0 5 x 0 6 mm TP 396 1405 001082 V615 5 6 V 20A 1 x 0 5 x 0 6 mm TP 397 1405 001082 V616 5 6 V 20A
15. C504 0 1 nF 5 96 50 V NPO TP 1005 109 2203 000233 C505 0 1 nF 5 96 50 V NPO TP 1005 110 2208 000278 C506 0 01 nF 0 5 pF 50 V NPO TP 1005 111 2203 005056 C507 0 0068 nF 0 25 pF 50 V NPO TP 1005 112 2208 000233 C508 0 1 nF 5 95 50 V TP 1005 113 2208 000233 C509 0 1 nF 5 50 V TP 1005 114 2203 005234 C511 0 0012 nF 0 25 pF 50 V NPO TP 1005 115 2203 000628 C512 0 022 nF 5 96 50 V NPO TP 1005 116 2208 000628 C513 0 022 nF 5 96 50 V NPO TP 1005 117 2203 001385 C514 0 0015 nF 0 25 pF 50 V NPO TP 1005 118 2203 000278 C515 0 01 nF 0 5 pF 50 V NPO TP 1005 119 2208 000628 C516 0 022 nF 5 96 50 V NPO TP 1005 120 2203 000628 C517 0 022 nF 5 96 50 V NPO TP 1005 121 2203 000812 C518 0 033 nF 5 96 50 V NPO TP 1005 122 2203 000812 C519 0 033 nF 5 96 50 V NPO TP 1005 123 2203 000278 C520 0 01 nF 0 5 pF 50 V NPO TP 1005 124 2404 001155 C521 100 uF 10 96 6 3 V LZ TP 4427 125 2203 005148 C522 100 nF 10 16 V X7R 1608 126 2208 005509 C524 330 nF 80 20 95 10 V Y5 V 1005 127 2203 000628 C525 0 022 nF 5 96 50 V NPO TP 1005 128 2208 000233 C526 0 1 nF 5 96 50 V NPO TP 1005 129 2203 000812 C527 0 033 nF 5 96 50 V NPO TP 1005 130 2208 000254 C528 10 nF 10 9 16 V X7R TP 1005 131 2203 000233 C530 0 1 nF 5 50 V TP 1005 13
16. 1 16 W DA TP 1005 354 2007 000140 R639 1 kohm 5 1 16 W DA TP 1005 355 2007 000140 R640 1 kohm 5 95 1 16 W DA 1005 356 2007 000162 R641 100 kohm 5 1 16 W DA TP 1005 357 2007 000140 R642 1 kohm 5 95 1 16 W DA TP 1005 SAMSUNG Proprietary Contents may change without notice 2 11 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 358 2007 007592 R643 270 kohm 1 95 1 16 W DA 1005 359 2007 007875 R644 160 kohm 1 1 16 W DA TP 1005 360 2007 000153 R646 22 kohm 5 95 1 16 W DA TP 1005 361 2007 000148 R648 10 kohm 5 96 1 16 W DA TP 1005 362 2007 000070 R649 0 ohm 5 1 16 W DA TP 1608 363 2007 007771 R650 0 ohm 5 1 16 W DA TP 1005 364 2007 007771 R651 0 ohm 5 1 16 W DA TP 1005 365 1205 001708 U100 20420 BGA 100P PLASTIC 366 0902 001231 U201 46 16BIT BGA 180P 32 768 MHZ 367 1203 001592 U202 1015 SOT 23A 5 5P 59MIL PLASTI 368 1205 001647 U300 RF137 TQFP 48P 275MIL 369 1203 001703 U400 20436 TQFP 48P 275MIL PLASTIC 2 8V 370 1203 002099 U401 5245 SOT 23 5 5P 64MIL 371 0504 001042 U500 BCR10PN NPN PNP 250 mW 10K 10K 372 0504 001042 U501 BCR10PN NPN PNP 250 mW 10K 10K 373 0504 001042 U502 BCR10PN NPN PNP 250 mW 10K 10K 374 0504 001012 U503 DTC114YE NPN 150 mW 10K 47K EMTS TP 375 2909 001084 U505 942 5 MHZ
17. 174 2404 001020 C635 10 uF 20 10 V GP TP 3216 3 2 175 2208 000812 C636 0 033 nF 5 96 50 V NPO TP 1005 176 2208 000812 C637 0 033 nF 5 50 V TP 1005 177 2203 000812 C638 0 033 nF 5 96 50 V NPO TP 1005 178 2208 000812 C639 0 033 nF 5 96 50 V NPO TP 1005 179 2208 000812 C640 0 033 nF 5 50 V TP 1005 180 2208 000812 C641 0 033 nF 5 96 50 V NPO TP 1005 181 2203 000812 C642 0 033 nF 5 96 50 V NPO TP 1005 182 2208 000812 C643 0 033 nF 5 96 50 V NPO TP 1005 183 2203 000812 C644 0 033 nF 5 50 V NPO TP 1005 184 2203 000812 C647 0 033 nF 5 96 50 V NPO TP 1005 185 2208 005065 C651 1000 nF 80 20 10 V Y5 V TP 1608 186 2203 000359 C652 0 15 nF 5 95 50 V NPO TP 1005 187 2203 000812 C657 0 033 nF 5 50 V TP 1005 188 2203 000386 C658 0 015 nF 5 50 V NPO TP 1005 189 2203 000386 C659 0 015 nF 5 96 50 V NPO TP 1005 190 3709 001190 CN400 2 54 mm SMD 191 3705 001178 CN500 SMC JACK 100M ohm 50 ohm 5DB 192 3722 001530 CN600 2 AUF BLK 193 3711 004623 CN601 BOX 20P 2R 0 5mm SMD S AUF 194 3711 004623 CN602 BOX 20P 2R 0 5mm SMD S AUF 195 3710 001653 CN603 18 1R 0 5mm SMD A AUF 196 3711 004814 CN604 2P 2 5 mm STRAGHIT AUO 1U BLK 197 3711 004814 CN605 2P 2 5 mm STRAGHIT AUO 1U BLK SAMS
18. DA TP 1005 287 2007 001298 R310 51 ohm 5 1 16 W DA TP 1005 288 3301 001342 R311 AB 1 5 kohm 1 x 0 5 x 0 5 mm 100 mA TP 1 4ohm 289 2007 000146 R312 6 8 kohm 5 1 16 W DA TP 1005 290 2007 000138 R313 100 ohm 5 95 1 16 W DA 1005 291 2007 007136 R314 4 7 kohm 1 1 16 W DA TP 1005 292 3301 001342 R315 AB 1 5 kohm 1 x 0 5 x 0 5 mm 100 mA TP 1 4ohm 293 2007 001298 R316 51 ohm 5 1 16 W DA 1005 SAMSUNG Proprietary Contents may change without notice 2 9 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 294 2007 002965 R317 15 ohm 5 95 1 16 W DA TP 1005 295 3301 001342 R318 1 5 kohm 1 x 0 5 x 0 5 mm 100 mA M 1 4ohm 296 2007 007771 R403 0 ohm 5 1 16 W DA TP 1005 297 2007 000162 R404 100 kohm 5 1 16 W DA TP 1005 298 2007 000143 R407 4 7 kohm 5 1 16 W DA TP 1005 299 2007 000143 R409 4 7 kohm 5 1 16 W DA TP 1005 300 2007 000138 R410 100 ohm 5 96 1 16 W DA TP 1005 301 2007 007156 R411 1 ohm 5 96 1 16 W DA TP 1005 302 2007 000138 R412 100 ohm 5 95 1 16 W DA 1005 303 2007 000141 R413 2 2 kohm 5 1 16 W DA TP 1005 304 2007 000157 R414 47 kohm 5 95 1 16 W DA TP 1005 305 2007 000140 R500 1 kohm 5 95 1 16 W DA TP 1005 306 2007 000070 R501 0 ohm 5 1 16 W DA TP 1608 307 2007 000140 R502 1
19. kohm 5 1 16 W DA TP 1005 308 2007 000148 R503 10 kohm 5 96 1 16 W DA TP 1005 309 2007 000148 R505 10 kohm 5 96 1 16 W DA TP 1005 310 2007 001298 R506 51 ohm 5 1 16 W DA TP 1005 311 2007 007193 R507 5 1 ohm 5 96 1 16 W DA TP 1005 312 2007 001298 R508 51 ohm 5 1 16 W DA TP 1005 313 2007 007193 R509 5 1 ohm 5 96 1 16 W DA TP 1005 314 2007 000148 R510 10 kohm 5 96 1 16 W DA TP 1005 315 2007 000137 R511 2 kohm 5 95 1 16 W DA TP 1005 316 2007 007142 R512 10 kohm 1 1 16 W DA TP 1005 317 2007 007312 R513 20 kohm 1 95 1 16 W DA TP 1005 318 2007 001308 R514 200 ohm 5 96 1 16 W DA TP 1005 319 2007 007142 R515 10 kohm 1 1 16 W DA TP 1005 320 2007 007142 R516 10 kohm 1 96 1 16 W DA TP 1005 321 2007 007142 R517 10 kohm 1 1 16 W DA TP 1005 322 2007 001305 R518 120 ohm 5 1 16 W DA TP 1005 323 2007 007142 R519 10 kohm 1 1 16 W DA TP 1005 324 2007 007142 R520 10 kohm 1 1 16 W DA TP 1005 325 2007 007142 R521 10 kohm 1 1 16 W DA TP 1005 SAMSUNG Proprietary Contents may change without notice 2 10 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 326 2007 000137 R522 2 kohm 5 1 16 W DA TP 1005 327 2007 001306 R523 150 ohm 5 95 1 16 W DA TP 1005 328 2007 001308 R524 200 ohm 5 1 16 W DA TP 1005 329 2007
20. 000170 R525 1M ohm 5 95 1 16 W DA TP 1005 330 2007 007771 R526 0 ohm 5 96 1 16 W DA TP 1005 331 2007 007095 R527 390 ohm 5 1 16 W DA TP 1005 332 2007 000139 R528 220 ohm 5 95 1 16 W DA 1005 333 2007 000140 R529 1 kohm 5 95 1 16 W DA TP 1005 334 2007 000148 R530 10 kohm 5 95 1 16 W DA 1005 335 2007 000145 R531 6 2 kohm 5 1 16 W DA TP 1005 336 2007 008263 R532 3 kohm 1 2 W TP 1005 337 2007 000140 R601 1 kohm 5 1 16 W DA TP 1005 338 2007 001301 R604 68 ohm 5 1 16 DA TP 1005 339 2007 000142 R605 2 7 kohm 5 1 16 W DA TP 1005 340 2007 000165 R607 200 kohm 5 1 16 W DA TP 1005 341 2007 000162 R609 100 kohm 5 1 16 W DA TP 1005 342 2007 000148 R610 10 kohm 5 95 1 16 W DA 1005 343 2007 000142 R611 2 7 kohm 5 95 1 16 W DA TP 1005 344 2007 000162 612 100 kohm 5 1 16 W DA TP 1005 345 2007 000140 R613 1 kohm 5 95 1 16 W DA TP 1005 346 2007 000140 R616 1 kohm 5 96 1 16 W DA 1005 347 2007 000154 R619 24 kohm 5 1 16 W DA TP 1005 348 2007 001119 R620 680 ohm 5 1 16 W DA TP 1005 349 2007 000165 R621 200 kohm 5 1 16 W DA TP 1005 350 2007 007771 R634 0 ohm 5 96 1 16 W DA TP 1005 351 2007 001306 R635 150 ohm 5 95 1 16 W DA TP 1005 352 2007 007316 R637 3 3 kohm 1 1 16 W DA TP 1005 353 2007 000140 R638 1 kohm 5 95
21. 0100A GH42 00100A 23 RF JACK DUMMY GH73 00611A GH73 00611A 24 SUA REAR CASE GH75 01002A GH75 01002A 24 1 ANTENNA BRACKET GH71 00392A GH71 00392A 24 2 EAR JACK COVER GH72 01574C GH72 01574C 24 3 REAR COVER GH72 02136A GH72 02136A 24 4 IRDA WINDOW GH72 02138A GH72 02138A 24 5 LOCKER SPRING GH70 00063A GH70 00063A 24 6 LOCKER BATTERY GH72 01579C GH72 01579C 25 SCREW MACHINE 6001 00883 6001 00883 26 BATTERY GH43 00315A GH43 00315A 850 mAh GH43 00316A GH43 00316A 550 mAh SAMSUNG Proprietary Contents may change without notice 1 3 Exploded view and its Part List 1 3 SGH A300 Travel Adapter 1 4 SGH A300 Travel Adapter Parts List Gh44 00171E TYPE SEC CODE REMARK A GH44 00171A CHINA B GH44 00184A EUROPE GH44 00171C UNITED KINGDOM D TAIWAN SAMSUNG Proprietary Contents may change without notice 1 4 Exploded view and its Part List 1 5 SGH A300 Cigarette Lighter Adaptor 1 6 SGH A300 Cigarette Lighter Adapter Parts List DESCRIPTION SEC CODE REMARK Cigarette Lighter Adapter Code GH44 00195A BLACK SAMSUNG Proprietary Contents may change without notice 1 5 Exploded view and its Part List 1 7 SGH A300 Test Jig GH80 00161A SDS D L CAL DownLoad GP LAS Lae AHA MTM COLL VIS MOLL AT gt 1 7 1 SGH A300 Test Jig Cable 1 7 2 SGH A300 RF Jig Cable GH39 000
22. 02 3 3 nH 5 1 6 x 0 8 x 0 8 mm 221 2703 002212 L503 1 6 nH 5 1 6 x 0 8 x 0 8 mm 222 2703 001425 L504 68 nH 5 1 6 x 0 8 x 0 8 mm 223 2703 002213 L505 3 3 nH 5 1 6 x 0 8 x 0 8 mm 224 2703 001547 L506 10 nH 5 96 1 8 x 1 12 x 1 02 mm 225 2703 001425 L507 68 nH 5 1 6 x 0 8 x 0 8 mm 226 2703 000175 L600 270 nH 10 0 8 x 1 6 x 0 8 mm 227 3301 001208 L602 AB 1 6 x 0 8 x 0 8 228 2703 001297 L603 10 nH 10 1 6 x 0 8 x 0 8 mm 229 4709 001144 LAM1 897 5 1747 5 MHZ 19DB 14DB SAMSUNG Proprietary Contents may change without notice 2 7 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 230 0604 001146 LED600 875NM 500 mW 30DEG TP 231 2801 003695 OSC100 19 5 MHz 10ppm 28 ABK 10 2 pF 20 232 2801 004025 OSC200 0 032768 MHz 20 ppm 28 ABK 1 7fF 65 kohm TP 233 2806 001191 OSC300 1258 1360 MHZ 50 ohm TP 2 7 V 20 mA 234 0501 000162 Q200 2SA1576 PNP 200 mW SOT 323 TP 180 390 235 0504 000167 Q201 RN1102 NPN 100 mW 10K 10K SSM TP 236 0504 001012 Q202 DTC114YE NPN 150 mW 10K 47K EMT3 TP 237 0504 001012 Q203 DTC114YE NPN 150 mW 10K 47K EMT3 TP 238 0501 002356 Q204 NPN 250 mW SOT 323 TP 250 630 239 0501 002357 Q400 ZUMT619 NPN 500 mW SOT 323 TP 200 240 0501 002202 Q401 MMBT2222AWT1 NPN 150 mW SOT 323 241 0504 001012 Q500 DTC114YE NP
23. 061 C280 100 nF 80 20 16 V Y5 V TP 1005 41 2203 000233 C300 0 1 nF 5 96 50 V NPO TP 1005 42 2203 000233 C301 0 1 nF 5 96 50 V NPO TP 1005 43 2203 005053 C302 0 0039 nF 0 25 pF 50 V NPO TP 1005 44 2203 005053 C303 0 0039 nF 0 25 pF 50 V NPO TP 1005 45 2203 005446 C304 0 0027 nF 0 1 pF 50 V NPO TP 1005 46 2404 001234 C305 68uF 20 96 6 3 V TP 3 3 x 2 7 x 1 7 mm 47 2203 000628 C307 0 022 nF 5 96 50 V NPO TP 1005 48 2203 000438 C308 1 nF 10 95 50 V X7R TP 1005 49 2203 005053 C309 0 0039 nF 0 25 pF 50 V NPO TP 1005 50 2203 000628 C310 0 022 nF 5 96 50 V NPO TP 1005 51 2203 000628 C311 0 022 nF 5 96 50 V NPO TP 1005 52 2301 001230 C312 10 nF 5 16 V 2012 53 2404 001105 C313 10UF 20 96 6 3 V GP TP 2012 54 2203 000940 C314 470 pF 10 926 50 V X7R TP 1005 55 2203 000812 C315 0 033 nF 5 96 50 V NPO TP 1005 56 2203 000254 C316 10 nF 10 9 16 V X7R TP 1005 57 2203 000254 C317 10 nF 10 9 16 V X7R TP 1005 58 2203 000836 C318 390 pF 10 926 50 V X7R TP 1005 59 2203 005664 C319 4700 nF 10 95 6 3 V X5R TP 2012 60 2203 000812 C320 0 033 nF 5 96 50 V NPO TP 1005 61 2203 000438 C321 1 10 50 V X7R 1005 62 2203 000278 C322 0 01 nF 0 5 pF 50 V NPO TP 1005 63 2203 005446 C323 0 0027 nF 0 1 pF 50 V NPO TP 1005 64 2203 000278 C324 0 01 nF 0 5 pF 50 V
24. 2 2203 000233 C532 0 1 nF 5 50 V NPO TP 1005 133 2203 000812 C533 0 033 nF 5 50 V NPO TP 1005 SAMSUNG Proprietary Contents may change without notice 2 4 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 134 2203 005061 C534 100 nF 80 20 16 V Y5 V TP 1005 135 2203 000278 C535 0 01 nF 0 5 pF 50 V NPO TP 1005 136 2203 000628 C537 0 022 nF 5 95 50 V NPO TP 1005 137 2203 000438 C538 1 nF 10 50 V X7R TP 1005 138 2203 000812 C539 0 033 nF 5 50 V NPO TP 1005 139 2203 000696 C540 0 002 nF 0 25 pF 50 V NPO TP 1005 140 2203 000466 C541 0 001 nF 0 25 pF 50 V NPO TP 1005 141 2203 000679 C542 0 027 nF 5 95 50 V NPO TP 1005 142 2203 000233 C543 0 1 nF 5 50 V NPO TP 1005 143 2301 001475 C544 3 9 nF 5 16 V 2 0 x 1 25 x 0 9 mm 144 2203 000995 C545 0 047 nF 5 50 V NPO TP 1005 145 2203 000628 C546 0 022 nF 5 95 50 V NPO TP 1005 146 2203 000278 C547 0 01 nF 0 5 pF 50 V NPO TP 1005 147 2203 001432 C548 47 nF 80 20 16 V Y5 V TP 1005 148 2203 005065 C549 1000 nF 80 20 10 V Y5 V TP 1608 149 2203 000812 C600 0 033 nF 5 50 V NPO TP 1005 150 2203 000628 C601 0 022 nF 5 95 50 V NPO TP 1005 151 2404 001151 C602 20 6 3 V LZ TP 3216 152 2208 000438 C604 1 nF 10 96 50 V X7R TP 1005 15
25. 3 2208 000628 C605 0 022 nF 5 95 50 V NPO 1005 154 2208 005367 C606 6800 nF 80 20 95 25 V Y5 V 3225 155 2208 000812 C608 0 033 nF 5 50 V NPO TP 1005 156 2208 000812 C609 0 033 nF 5 50 V NPO TP 1005 157 2203 000812 C611 0 033 nF 5 50 V NPO TP 1005 158 2404 001151 C613 33 uF 20 6 3 V LZ TP 3216 159 2208 000812 C614 0 033 nF 5 50 V NPO TP 1005 160 2208 005065 C615 1000 nF 80 20 10 V Y5 V TP 1608 161 2203 000812 C616 0 033 nF 5 50 V NPO TP 1005 162 2208 005061 C617 100 nF 80 20 16 V Y5 V TP 1005 163 2208 005061 C618 100 nF 80 20 16 V Y5 V TP 1005 164 2208 000628 C620 0 022 nF 5 95 50 V NPO 1005 165 2208 005065 C621 1000 nF 80 20 10 V Y5 V TP 1608 SAMSUNG Proprietary Contents may change without notice 2 5 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 166 2203 005065 C622 1000 nF 80 20 10 V Y5 V TP 1608 167 2203 000628 C625 0 022 nF 5 50 V NPO 1005 168 2404 001155 C627 100UF 10 95 6 3 V LZ TP 4427 169 2208 005065 C630 1000 nF 80 20 10 V Y5 V TP 1608 170 2203 001412 C631 0 03 nF 5 95 50 V TP 1005 171 2203 005061 C632 100 nF 80 20 16 V Y5 V TP 1005 172 2203 001412 C633 0 03 nF 5 50 V NPO TP 1005 173 2404 001020 C634 10 uF 20 96 10 V GP TP 3216 3 2
26. 96A GH39 00026A SAMSUNG Proprietary Contents may change without notice 1 6 Exploded view and its Part List 1 7 3 SGH A300 Test Jig DC POWER SUPPLY 8922 or 8960 WIRELESS COMMUNICATIONS TEST SET RF JIG CABLE 232 CABLE TEST JIG CABLE SAMSUNG Proprietary Contents may change without notice 1 7 2 SGH A300 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 1 3002 001101 AU600 88dB 3 6 V 100 mA 2550Hz TP 2 4302 001119 BAT200 V 0 1MAH 3 1 V 3 2203 002443 C100 0 33 nF 10 50 V X7R TP 1005 4 2203 005065 C101 1000 nF 80 20 10 V Y5 V TP 1608 5 2203 000386 C102 0 015 nF 5 50 V NPO TP 1005 6 2203 005571 C103 10000 nF 80 20 6 3 V Y5 V TP 2012 7 2203 000359 C104 0 15 nF 5 50 V NPO TP 1005 8 2203 005509 C105 330 nF 80 20 95 10 V Y5 V TP 1005 9 2203 000233 C106 0 1 nF 5 96 50 V NPO TP 1005 10 2203 000812 C107 0 033 nF 5 96 50 V NPO TP 1005 11 2404 001151 C108 20 6 3 V LZ TP 3216 12 2203 005571 C109 10000 nF 80 20 6 3 V Y5 V TP 2012 13 2203 000278 C110 0 01 nF 0 5 pF 50 V NPO TP 1005 14 2203 000628 C111 0 022 nF 5 96 50 V NPO TP 1005 15 2203 001432 C112 47 nF 80 20 96 16 V Y5 V TP 1005 16 2203 000812 C113 0 033 nF 5 96 50 V NPO TP 1005 17 2203 005061 C114 100 nF 80 20 16 V Y5 V TP 1005 18 2203 001432 C115 47 n
27. Chart of Troubleshooting and Circuit Diagram 5 14 SGH A300 DCS Transmit Tx On level 0 Battery voltage 3 8 V T N Resolder CN500 Check voltage Pin2 L Resolder or Change Pin4 H 0505 Pin8 L N Resolder or Change U503 Q501 Resolder or Change LAM1 Check Change U510 pin14 Y U510 1V 2V N Change gt U508 Check OSC300 1 2 10 dBm gt Change OSC300 Y L gt Change U300 Y Resolder or Change U512 Change 0513 Y END SAMSUNG Proprietary Contents may change without notice 5 14 Flow Chart of Troubleshooting and Circuit Diagram T Tz E 9 sano e Is ve zino 18A i 2 E5 ms
28. F 80 20 96 16 V Y5 V TP 1005 19 2203 000628 C116 0 022 nF 5 96 50 V NPO TP 1005 20 2203 000812 C117 0 033 nF 5 96 50 V NPO TP 1005 21 2203 005571 C118 10000 nF 80 20 6 3 V Y5 V TP 2012 22 2203 005061 C119 100 nF 80 20 16 V Y5 V TP 1005 23 2203 005061 C120 100 nF 80 20 16 V Y5 V TP 1005 24 2203 001432 C121 47 nF 80 20 9 16 V Y5 V TP 1005 25 2404 001101 C200 1uF 20 16 V TP 2012 26 2203 005061 C201 100 nF 80 20 16 V Y5 V TP 1005 27 2203 005509 C202 330 nF 80 20 10 V Y5 V TP 1005 28 2203 000359 C203 0 15 nF 5 50 V NPO TP 1005 29 2203 000359 C204 0 15 nF 5 50 V NPO TP 1005 30 2203 005061 C205 100 nF 80 20 16 V Y5 V TP 1005 31 2203 000254 C206 10 nF 10 95 16 V X7R TP 1005 32 2203 000679 C207 0 027 nF 5 96 50 V NPO TP 1005 33 2404 001101 C208 1uF 20 9 16 V GP TP 2012 34 2203 000679 C209 0 027 nF 5 96 50 V NPO TP 1005 35 2404 001155 C210 100UF 10 95 6 3 V LZ TP 4427 36 2203 000359 C211 0 15 nF 5 50 V NPO TP 1005 37 2203 005509 C212 330 nF 80 20 10 V Y5 V TP 1005 SAMSUNG Proprietary Contents may change without notice 2 1 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 38 2203 005061 C213 100 nF 80 20 16 V Y5 V TP 1005 39 2203 005061 C214 100 nF 80 20 16 V Y5 V TP 1005 40 2203 005
29. MSUNG Proprietary Contents may change without notice 4 2 5 Flow Chart of Troubleshooting and Circuit Diagram 5 1 SGH A300 Power ON POWER ON does not work E Y Check the current consumption more than 100 mA N Download again Check the Battery Voltage more than 3 3V N Charge the Battery N Check to the path from CN604 to pin 38 of U400 and keypad N Change U400 N Check the clock generation circuit related to 0400 and OSC100 Check the pin 38 of U400 is more than 3 2 0400 33 28 30 2 8V Check the clock signal at R105 Y Y q Check the initial operation END SAMSUNG Proprietary Contents may change without notice 5 1 Flow Chart of Troubleshooting and Circuit Diagram 5 2 SGH A300 Initial C Initial Failure Check the Reset B signal at the pin 6 of U8016 is High Check the pin 10 of U400 is High N Y heck the pin 11 of U400 N is High Y Y Check the connections and initialization using Factory Test Program Y Y Check LCD connector CN601 and resolder bridge END Check the U100 IA Check the U201 M46 Check the U400 PMIC SAMSUNG Proprietary Contents may change without notice 5 2 Flow Chart of Troubleshooting and C
30. N 150 mW 10K 47K EMT3 TP 242 0504 001012 501 DTC114YE NPN 150 mW 10 47 TP 243 0504 000168 Q600 RN1104 NPN 100 mW 47K 47K SSM TP 244 0501 002346 Q601 2SB1427 PNP 500 mW SOT 89 TP 390 820 245 0501 002356 Q603 NPN 250 mW SOT 323 TP 250 630 246 0506 001052 Q604 UMHON NPN 2 150 mW SC 88 TP 68 247 0504 001012 Q605 DTC114YE NPN 150 mW 10K 47K EMT3 TP 248 2007 000140 R100 1 kohm 5 96 1 16 W DA TP 1005 249 2007 000140 R101 1 5 96 1 16 W DA TP 1005 250 2007 007771 R102 0 ohm 5 1 16 W DA TP 1005 251 2007 001313 R103 330 ohm 5 96 1 16 W DA TP 1005 252 2007 007092 R104 1 1 kohm 5 1 16 W DA TP 1005 253 2007 000775 R105 33 kohm 5 95 1 16 W DA TP 1005 254 2007 007468 R106 121 kohm 1 96 1 16 W DA TP 1005 255 2007 007092 R107 1 1 kohm 5 96 1 16 W DA TP 1005 256 2007 000140 R200 1 5 95 1 16 W DA TP 1005 257 2007 000148 R203 10 5 96 1 16 W DA TP 1005 258 2007 000148 R204 10 kohm 5 96 1 16 W DA TP 1005 259 2007 000148 R205 10 5 96 1 16 W DA TP 1005 260 2007 000148 R206 10 kohm 5 96 1 16 W DA TP 1005 261 2007 000137 R207 2 kohm 5 96 1 16 W DA TP 1005 SAMSUNG Proprietary Contents may change without notice 2 8 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 262
31. NPO TP 1005 65 2203 000425 C326 0 018 nF 5 96 50 V NPO TP 1005 66 2203 000425 C327 0 018 nF 5 96 50 V NPO TP 1005 67 2203 000940 C329 470 pF 10 926 50 V X7R 1005 68 2203 000330 C330 0 012 nF 5 96 50 V NPO TP 1005 69 2203 000836 C381 390 pF 10 926 50 V X7R TP 1005 SAMSUNG Proprietary Contents may change without notice 2 2 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 70 2203 005481 C332 47 nF 10 10 V X7R TP 1005 71 2203 005664 C333 4700 nF 10 6 3 V X5R TP 2012 72 2203 000386 C334 0 015 nF 5 95 50 V TP 1005 73 2203 000812 C335 0 033 nF 5 50 V NPO TP 1005 74 2301 001230 C336 10 nF 5 9 16 V TP 2012 75 2203 005158 C337 0 0022 nF 0 25 pF 50 V NPO TP 1005 76 2203 005158 C338 0 0022 nF 0 25 pF 50 V NPO TP 1005 77 2203 000812 C339 0 033 nF 5 50 V NPO TP 1005 78 2203 000812 C340 0 033 nF 5 50 V NPO 1005 79 2203 002443 C341 0 33 nF 10 50 V X7R 1005 80 2203 002443 C342 0 33 nF 10 50 V X7R TP 1005 81 2203 002443 C343 0 33 nF 10 50 V X7R TP 1005 82 2203 002443 C344 0 33 nF 10 50 V X7R TP 1005 83 2203 000254 C345 10 nF 10 95 16 V X7R TP 1005 84 2203 000254 C346 10 nF 10 16 V X7R TP 1005 85 2203 000233 C401 0 1 nF 5 9 50 V TP 1005 86 2203 005061 402 100 nF 80 20 16 V
32. UNG Proprietary Contents may change without notice 2 6 Electrical Parts List Level SEC CODE REFERENCE DESCRIPTIONS Remark 198 0407 000115 D200 DAN202U 80 V 100 mA CA2 3 SC 70 199 0401 001033 D201 MCL4154 25 V 200 mA M MELF TP 200 0405 001093 D300 MA4ST230 12 V SOT 23 TP 201 0401 001033 D402 MCL4154 25 V 200 mA M MELF TP 202 0402 001463 D500 HSMS 2825 15 V 1A SOT 143 TP 203 0407 000115 D601 DAN202U 80 V 100 mA CA2 3 SC 70 204 2903 001211 F300 14 6 MHz 300KHz 1dB TP 205 2904 001165 F301 400 MHZ 28 MHZ 70KHZ TP 6 5DB 206 2904 001096 F500 1 8425GHz 75 MHz 37 5 MHz 2 5dB 207 2904 001281 F501 947 5 MHz 25 MHz 12 5 MHz 1 4dB 208 2703 000310 L100 1 8 uH 10 0 8 x 1 6 x 0 8 mm 209 2703 001543 L300 33 nH 5 1 8 x 1 12 x 1 02 mm 210 2703 001513 L301 100 nH 5 1 8 x 1 12 x 1 02 mm 211 2703 002214 L302 8 2 nH 5 1 6 x 0 8 x 0 8 mm 212 2703 001513 L303 100 nH 5 1 8 x 1 12 x 1 02 mm 213 2703 001545 L304 47 nH 5 96 1 8 x 1 12 x 1 02 mm 214 2703 001543 L305 33 nH 5 96 1 8 x 1 12 x 1 02 mm 215 2703 001547 L306 10 nH 5 96 1 8 x 1 12 x 1 02 mm 216 2703 001547 L307 10 nH 5 96 1 8 x 1 12 x 1 02 mm 217 2703 001547 L308 10 nH 5 96 1 8 x 1 12 x 1 02 mm 218 2703 002218 L400 100 20 3 3 x 1 5 x 0 8 mm 219 2703 001954 L501 2 7 nH 0 3 nH 1 0 x 0 5 x 0 5mm 220 2703 002213 L5
33. a Pr o go woo end mi S565 z 5 9 5 NASA H g g e FE FE 78 FE FE IE FE lg 5051 zot1 5 je o 8 T PES iua xL j 5 m be us 2 T i dh soc jud xu 4491 veeo 2 uam omm T ES 3422 3922 AA 15 gied ddoLp neo OLED RN 24066 Ble T 929 pu sieu euni JA 1210 uA 087 80EH 15 azea ep 3901 93 29 19 I 001 lt me takt Hutt LOED OX Huge 9615 5260 0087 9059 ZNI 5 3901 S5 29001 9759 2 00 2 10 4 SAMSUNG Proprietary Contents may change without notice 5 16 Flow Chart of Troubleshooting and Circuit Diagram 146 6059 4 14676 5055 lt 81 0054 LOIXL lt 81 146 2059 LOEH 81 5054 A 9 4089 5062 TEED 00 2SO 8 LAND asa 100 4H 1 L 1 32 1089 0 7054 348 1559 001 ELEH 1 JNOL 9559 3906 340 9 ID 6559 96V ML eunyj jun 89 ZLEH SAMSUNG Proprietary Contents may change without notice 5 17 ELECTRONICS Samsung Electronics Co Ltd MAY 2001 Pinted in Korea Code No GH68 02031A BASIC
34. ircuit Diagram 5 10 SGH A300 Alert Tone 4 Abnormal Alert tone 2 Y alert wave signal on th R635 during alert tone Is there alert wave signal on the Q603 pin3 during alert tone test Check the C620 gt 3 3V ALERT by Test S W Check the circuit related to Q603 Resolder D601 and C620 Y Buzzer is ok N o M Change the Buzzer Y END VBat AU600 S 3 C620 22PF EN LE J D601 2 1 2 a R635 150 BEN GEES 22PF 2 Q603 SAMSUNG Proprietary Contents may change without notice 5 10 Flow Chart of Troubleshooting and Circuit Diagram 5 11 SGH A300 GSM Receiver RX On RF input 62 CH Amp 50 dBm Resolder Change CN500 Check voltage U505 pins Pin2 L Pin4 H Pin8 H Pin 10 L Resolder amp U505 Pin 5 gt 65 dBm Resolder F501 Check OSC300 pin 1 2 10 dBm pin 16 17 gt 50 dBm N 9 Change OSC300 L y Change U507 Change F301 Resolder or change 0300 Check D300 pin 121V 2 3V LLL 5 Change U300 Change gt N F300 Change i pin 26 27 N U300 2 55 dBm SAMSUNG Proprietary Contents may change without notice 5 11 Flow Chart of Troublesh
35. ircuit Diagram 5 3 SGH A300 Sim Part Phone can t access SIM card p Y Check the pin 1 5 of 400 voltage is 2 8V Check the SIM related circuit of the U400 Check the SIM connector s CN400 N Resolder CN400 Connection to SIM card H Check the circuit around U515 Serial EEPROM and data stored in it Y END VBAT L eno aoo sd 4 7K 4 7K A a sol s l eol ENP ISENN 28 GNpi 155 S ven 7 vero SE VBAT2 52 45 POWER KEY E 8 U400 nos gt a 1 dius 2 ctum ENABLE 1 resets 2 2 i Ra Ss 2 3 Tal ENABLES puc E RSS DATA 1 41 LOED a 3 aye E 12 ouo senpe 285 8 25503 ee 448404 8 s er aa s amp as e e a 2 3 1 veca 9 vase 100 Sim Reset Sim CIk Sim Dat SIM lt Sim En Rast R404 100K SAMSUNG Proprietary Contents may change without notice 5 3 Flow Chart of Troubleshooting and Circuit Diagram 5 4 SGH A300 Charging Part C Abnormal charging part 2
36. ooting and Circuit Diagram 5 12 SGH A300 GSM Transmit Tx On level 5 Battery voltage 3 8 V T N U505 Pin 9 gt 30 dBm Resolder CN500 Check voltage Pin2 H Resolder or Change Pin4 L x 0505 Pin8 H Pin 10 L N Resolder or Change U503 Q501 Resolder or Change LAM1 Check e Change U510 pin14 gt 0510 2 N Change U508 Check OSC300 pini 2 10 dBm N Change OSC300 Y L c Change U300 lt Resolder or Change U512 Y Change 0513 END SAMSUNG Proprietary Contents may change without notice 5 12 Flow Chart of Troubleshooting and Circuit Diagram 5 13 SGH A300 DCS Receiver RX On RF input 698 CH Amp 50 dBm 16 17 gt 50 dBm pin 26 27 gt 55 dBm END Resolder or Change CN500 Check voltage U505 pins Resolder amp U505 N Pin2 L Pin 7 2 65 dBm Pin4 H Pin8 H Pin 10 L Resolder F500 Check 05C300 pin 12 gt 10 dBm N Change OSC300 Y L 5 Change 507 Change F301 Check D300 Resolder or change pinl gt 1V N D300 Change L TU U300 Change F300 Change U300 SAMSUNG Proprietary Contents may change without notice 5 13 Flow
37. tion No Description Blue Tinted Remark ilver Silver 1 DUAL WINDOW GH72 01793F GH72 01793E 2 SUA FOLDER UPPER GH75 01004B GH75 01004A 2 1 DECORATION GH71 00311B GH71 00311C 2 2 SPONDGE DUAL LCD GH74 00819A GH74 00819A 2 3 FOLDER UPPER GH72 01795D GH72 01795D 3 F PCB GH59 00189A GH59 00189A 4 MOTOR GH31 00018A GH31 00018A 5 SPEAKER 3001 001215 3001 001215 6 LCD ASS Y GH07 00072A GH07 00072A 7 SUA FOLDER LOWER GH75 01016A GH75 01016A 7 1 SPONGE LCD GH74 00939A GH74 00939A 7 2 MAGNETIC 7 3 SUA HINGE ASS Y GH75 01087A GH75 01087A 7 4 SPONGE PCB SUPPORT GH74 00953A GH74 00953A 7 5 FOLDER LOWER GH72 02317A GH72 02317A 8 SHIELD NET GH74 01244A GH74 01244A 9 SCREW MACHINE 6001 000464 6001 000464 10 DUMMY LABEL GH68 00370C GH68 00370C 11 LCD WINDOW GH72 02385A GH72 02385A 12 SUA FRONT CASE ASS Y GH75 01001A GH75 01001A 12 1 HINGE DUMMY GH72 02420A GH72 02420A 12 2 LED LENS GH72 00287A GH72 00287A 12 3 FRONT CASE GH72 02135A GH72 02135A 12 4 FOLDER HOLDER GH73 00263B GH73 00263B 12 5 SHIELD SPONGE GH74 01243A GH74 01243A 13 VOLUME KEY GH72 01572A GH72 01572A 14 KEY PAD GH72 01582F GH72 01582F 15 MIC 3003 001060 3003 001060 16 SHIELD COVER GH71 00459A GH71 00459A 17 KEY PAD ASS Y GH59 00188A GH59 00188A 18 RUBBER SUPPORT GH73 00676A GH73 00676A 19 IF CONN COVER GH73 00756A GH73 00756A 20 BUZZER HOLDER GH73 00653A GH73 00653A 21 PBA GH92 00872A GH92 00872A 22 ANTENNA GH42 0
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