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Samsung SGH-P408 Service Manual
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Samsung SGH-P408 Service Manual

Samsung SGH-P408 Service Manual

Gsm telephone
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Download this manual See also: Owner's Manual, User Manual
SERVICE
G S MT E L E P H O N E
4
7
3
DEF
2
ABC
6
GHI
MNO
5
JKL
9
PQRS
WXYZ
8
TUV
0
G SM TE L E PHO N E
Manual
1 . S p e c ific a tio n
2 . C ir c u itD e s c r ip tio n
3 . F lo w C h a r to fT r o u b le s h o o tin g
4 . E x p lo d e dV ie w sa n dP a r tsL is t
5 . E le c tr ic a lP a r tsL i s t
6 . B lo c kD i a g r a m s
7 . P C B D ia g r a m s
C O N T E N T S

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Summary of Contents for Samsung SGH-P408

  • Page 1 G SM TE L E PHO N E Manual SERVICE G S MT E L E P H O N E C O N T E N T S 1 . S p e c ific a tio n 2 . C ir c u itD e s c r ip tio n 3 .
  • Page 2 ELECTRONICS...

  • Page 3: Gsm General Specification

    - 1 0 0 d B m TDM A M u x C el l Ra d iu s 3 5 Km 3 5 Km 2 Km 1- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 4: Gsm Tx Power Class

    7 ¡¾ 3 dBm 5 ¡¾ 3 dBm 2 ¡¾ 5 dBm 2 ¡¾ 5 dBm 0 ¡¾ 5 dBm 0 ¡¾ 5 dBm 1- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 G P R S h i g h c l a ss o p e r a t i o n. 2- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 Modulation - 65dBc Spectr um 30 kHz bandwidth - 66dBc - 75dBc 600kHz ~ 1.8MHz offset - 68dBc 30 kHz bandwidth - 75dBc 2- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 L E D s i s c o n n e c t e d b e t w e e n t h e b at t e r y a n d t h e L E D _D RV o u t p u t . 2- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 RE SE T _I N T s i g n al w h i c h i s f o r A RM c o r e RE SE T . 2- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 T h e y c o n n e c t e d t o p o w e r s u p p l y I C , m i c r o p r o c e s s o r an d s i g n al p r o c e s s o r I C . 2- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 SM A F . 2- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 P SC 2 0 0 6 ar e o u t p u t t e d t h r o u g h P P I p i n s . I t h as s i g n a l p o r t f o r 2- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 . T h i s c l o c k i s f e d t o C SP 1 0 9 3 ,T r i d e n t ,Y M U 7 5 9 an d Si l ab s o l u t i o n . 2- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 C heck the clock generation Vrm s ¡Ã300m V circuit (related to O SC 801) Vpp ¤ó 900m Vpp Y es Check the initial operation 3- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 TA_VEX T C118 10UF 6.3V R111 10K,1 % U102 Q102 C119 CHG_DE T 10UF CHG_ON R107 R108 47K,1% TA_VEX T 10K,1% ICHRG R10 9 3- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 Y es LC D display is O .K Check the LCD Part Y es Sound is O .K Check the Audio Part Y es 3- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 TP21 0 C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF IRDA JTAG CON 3- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 Check the U601 U100? Y es Is there any Signals pin#49, #50, #51 of Check the U100 C N100? Y es Check the SIMCard 3- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 BP_V F BP_V F VBAT C30 0 C301 ZD308 ZD30 5 ZD303 ZD304 ZD30 7 ZD306 100NF 220NF ZD302 ZD300 ZD301 I/F CONNECTOR 3- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 3.2~4.2V" ? Y es The ICH R G = 1V(during charging) Solder again or change R 108 and ¤ó 180m V(full charging)? Y es 3- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 R414 R415 AUXOUT R416 C402 0 C4018 C4019 150PF C418 C419 150PF R417 VCCA VCCD R418 R41 9 Q400 EAR_SWITC R420 AUDI O 3- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 Solder the m icrophone again or C 420 ¤ó 2.0V R eplace C409,C416,R 407,R 409,R 410,R 411 Y es Check U700 Is m icrophone ok? Y es 3- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 H1 2 R502 F-_RS T FLASH_RESET GN D C504 F5 S-_OE CP_OEN GN D 10NF H9 F-_OE GN D B8 S-_WE CP_WEN F-_WE MEMORY 3- 10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 Y es Y es The pin#4 The pin#4 C heck U401 of U400 is of U400 is C heck U400 C heck U700 3- 11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 10N F DEBUG_TX D FLASH_RESET DEBUG_RX D AUDIO_AMP_EN DEBUG_CTS CHG_ON IRDA_EN UP_CS UP_SCLK SDS_TX D UP_SD I SDS_RX D SIMDAT A SIMCLK CHG_DET TRIDENT 3- 12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 Y E S U 900 p in2,3,4,5 V p -p: 100m V? Y E S C H E C K U 700 3- 13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 C71 3 GNDD U703 10NF 10N F 10N F 10NF G10 VSS H10 VSS K8 VSS VCC D PCS_RX_EN C716 33PF CSP109 3 3- 14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Egsm Transmitter

    Y E S Y E S U 902 U 901 ch an ge or ch an ge or resold er resold er 3- 15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 KEY-XB S KEY-XBS VOL_D N LS10N2-T KEY_ROW(2) LEFT DD-DOM-4PIE KEY-XBS KEY-XBS KEY-XB S KEY-XBS KEY_ROW(3) RIGHT KEY-XBS KEY-XBS KEY-XB S KEY-XBS KEY-XBS KEY_ROW(4) 3- 16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 V p -p: 250m V? Y E S U 900 p in2,3,4,5 V p -p: 100m V? Y E S C H E C K U 700 3- 17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 SERCLK SD I RFLO N SERDAT C916 C917 C918 C91 9 VOSC 100PF 100PF 100PF 100PF C920 22NF MICRO STRIP LINE SI-LA B 3- 18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 V p -p: 250m V? Y E S U 900 p in2,3,4,5 V p -p: 100m V? Y E S C H E C K U 700 3- 19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 VCC2 VPA C C1013 100U F 6.3V C1014 1N F TX_BAND_SEL R100 8 C1015 100K,1% 33PF TXPOWER TX_EN C1016 33PF TRANSMITTER & RECEIVER 3- 20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 Y E S Y E S U 902 U 901 ch an ge or ch an ge or resold er resold er 3- 21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 Check U1107, U1112 and U1109 low- active signal. Y es Check U1108 pin4 has C heck U1110, U1111 and U1108 low- active signal. Y es 3- 22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 VCC_CAM VBAT CN1101 U1104 NSUB_D C NSUB_PLU S OU T 13 13 CINS C1134 16 16 33UF CAMPWR_ON REF_BYP 6.3V CAM POWE R 3- 23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 V i e w a n d i t s P a r t s l i s t 1. Cellular phone Exploded View 4- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 R F C O VER G H 73- 01506A SH O T K EY G H 75- 02887A BATTER Y G H 43- 00839A 4- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 3- 3. Serial Cable (GH39- 00090A) (GH39- 00127A) 3- 4. Power Supply Cable 3- 5. DATA CABLE 3- 6. TA (GH39- 00159A) (GH44- 00171C) 4- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 1209- 001434 U902 2007- 001325 R408 1405- 001018 ZD308 2007- 001333 R418 1405- 001082 ZD303,ZD304,ZD305 2007- 002797 R800 1405- 001082 ZD306,ZD307,ZD401 2007- 003001 R401,R402 5- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 2203- 000311 C401 2203- 005061 C1119,C1120,C1121 2203- 000386 C801 2203- 005061 C1122,C1124,C1125 2203- 000438 C1014,C202,C221 2203- 005061 C300,C400,C402,C408 2203- 000438 C4018,C4019,C413 2203- 005061 C414,C500,C501,C502 5- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 2703- 002543 L1006 2703- 002544 L1002 2703- 002207 L1007 2801- 004025 OSC601 2809- 001260 OSC801 2804- 001492 U1102 2904- 001410 F1003 2909- 001191 U1005 5- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 DC S: 1710M Hz~1785M Hz TCVC XO 13 M Hz PC S: 1850M Hz~1910M Hz A F C C L K SI 4133T 6- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 C P_O EN N SU B_PLU S C P_W EN C I N S C AM _I N T VD D C LC D _EN 6- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...