Samsung SCH-880 Service Manual
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Samsung SCH-880 Service Manual

Samsung SCH-880 Service Manual

Cdma portable telephone
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ELECTRONIC
SERVICE
DUAL MODE TELEPHONE
CDMA PORTABLE
TELEPHONE
SCH-880
Manual
CONTENTS

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Summary of Contents for Samsung SCH-880

  • Page 1: Table Of Contents

    CDMA PORTABLE TELEPHONE ELECTRONIC SCH-880 SERVICE Manual DUAL MODE TELEPHONE CONTENTS 1. Specification 2. Nam Programming 3. Test Commands & Test Procedure List 4. Test Procedure 5. Exploded View & its Parts List 6. Electrical Parts List 7. Block Diagram 8.
  • Page 2 ELECTRONICS Samsung Electronics Co.,Ltd. Jun. 00 Pinted in Korea. Code No.: GH68-012608A...

  • Page 3: Specification

    Supply Voltage 3.6V Size and Weight Slim : 88mm X 50mm X 23.5mm, 105 g, 500 mA STD : 88mm X 50mm X 25.7mm, 135 g, 1000 mA EXT : 88mm X 50mm X 27.5mm, 151 g, 1600 mA Samsung Electronics...
  • Page 4 • -104dBm : +18.0dBm ~ +30dBm Minimum Tx Power Control : below -50dBm Closed Loop Power Control Range : ±24dB Maximum RF Output Power : 200mW(+23dBm) Occupied Bandwidth : 1.23MHz Conducted Spurious Emission @900 KHz : -42dBc/30kHz @1.25 MHz : -54dBc/30kHz Samsung Electronics...
  • Page 5 Tone offset from carrier = ±900 kHz Intermodulation Spurious Response Attenuation : lower than 1 % Rx power = -101dBm Tone 1 power =-43dBm Tone 2 power =-43dBm Tone 1 offset from carrier = ± 900kHz Tone 2 offset from carrier = ± 1.700MHz Samsung Electronics...

  • Page 6: Nam Programming

    - Press OK, to view next status item. General Slot Mode Slot mode. ‘Yes’ indicates the slot mode. < or > - Changes the status. - Store it. General Slot Index Slot mode index is displayed The higher, the longer sleeping time Samsung Electronics...
  • Page 7 Primary channel at System A, current channel is displayed - Press OK, to view next status item NAM1 Digital Pchn Sys B Primary channel at System B, current channel is displayed - Press OK, to view next status item Samsung Electronics...
  • Page 8 CDMA foreign NID, current status is displayed. < or > - Changes the system. - Store it. NAM1 Digital Home SID 01 8465 1st CDMA Home system ID, current status is displayed - Press OK, to view next status item Samsung Electronics...
  • Page 9 - Press OK, to view next status item NAM1 Digital Home NID 02 65535 2nd CDMA Home Network ID, current status is displayed - Press OK, to view next status item ————— repeated to SID 4 & NID 4—————————— Samsung Electronics...
  • Page 10 Primary channel at System A, current channel is displayed - Press OK, to view next status item NAM2 Digital Pchn Sys B Primary channel at System B, current channel is displayed - Press OK, to view next status item Samsung Electronics...
  • Page 11 CDMA foreign NID, current status is displayed. < or > - Changes the system. - Store it. NAM2 Digital Home SID 01 8465 1st CDMA Home system ID, current status is displayed - Press OK, to view next status item Samsung Electronics...
  • Page 12 - Press OK, to view next status item NAM2 Digital Home NID 02 65535 2nd CDMA Home Network ID, current status is displayed -Press OK, to view next status item ————— repeated to SID 4 & NID 4 —————————— Samsung Electronics...

  • Page 13: Test Commands & Test Procedure List

    Vocoder CDMA unity gain 41(A9,3,0) T_VOC_FM_HFRX_UPGAIN_I Vocoder FM hfrx upgain 42(AA,1,0) T_DTMFON_I2) Turn on DTMF 43(AB,0,0) T_DTMFOFF_I Turn off DTMF 44(B0,0,0) T_COMPANDORON_I Turn on compandor 45(B1,0,0) T_COMPANDOROF_I Turn off compandor 46(B2,0,0) T_FM_VCLINE_I* Enter FM voice state 47(B3,3,0) T_FM_AUD_GAIN_I FM audio gain Samsung Electronics...
  • Page 14 CDMA RX RAS table( not adjustable ) 96(F6,4,0) T_CH_FLATNESS_I Adjust TX high power RAS 97(F2,4,0) T_FM_TX_PWR_I Adjust FM Power level 2 ~ 7 98(F8,3,0) T_TXRAS_ADJ_BP_ON_I CDMA TX low power RAS table( not adjustable) 99(FC,4,0) T_SND_GAIN_I Mic/Speaker Gain control Samsung Electronics...

  • Page 15: Test Procedure

    CAUTION : The test jig and data cable has a voltage drop of 0.33V at FM Max power output, you’d better set the DC power supply to 3.93V for normal test condition. (Nominal voltage of battery is 3.6V at cellular phone) Samsung Electronics...
  • Page 16 4-3 Test Cable Description for SCH-850 1. Test Cable 2. Test Cable Connections MHC 172 RF CABLE 91.4db Loss for CDMA800 and AMPS) BNC CONNECTOR (RF) PLUG CONNECT TO SCH-850 DATA CABLE Dsub 25PIN CONNECTOR (DATA) Samsung Electronics...
  • Page 17 N ; CH NUMBER 990 ≤ N ≤ 1023 FREQUENCY F=0.03 X (N-1023) + 825.00 F ; FREQUENCY 1 ≤ N≤ 799 F=0.03 X N + 870.00 (AMPS/CDMA) 990 ≤ N ≤ 1023 FREQUENCY F=0.03 X (N-1023) + 870.00 Samsung Electronics...
  • Page 18 Registering: HHP HP8924C. Call : HP8924C HHP. Measure the Gated Power & Time. spec : Gated Power - at least 20dB Gated Time - Rising Time : below 6µs Falling Time : below 6µs Burst Time : below 1.25ms Samsung Electronics...

  • Page 19: Exploded View & Its Parts List

    5. Exploded View & its Parts List 5-1 Main Set Exploded View Samsung Electronics...

  • Page 20: Main Set Parts List

    PPR-KEYPAD DOME GH73-00218A RMO-HOLDER MIC GH73-40704A RMO-CONNECTOR COVER GH73-40705A RMO-MOBILE CAP GH42-00040A ANTENNA 6001-001140 SCREW-MACHINE 4PCS GH43-00243A BATTERY-STD 1000mAh GH75-00223E MEC-HANGER ROPE BLACK GH96-00783A 3001-001133 SPEAKER (SAMSUNG SDI) UNISON 3002-001094 BUZZER 3101-001199 MOTOR GH60-01211A LABER(R)-MAIN GH97-01796A FRONT FOLDER ASS’Y Samsung Electronics...

  • Page 21: Electrical Parts List

    U157 FET-SILICON FDC6329L,N/P,8V,2.5A,-,0.7W,SC-74 0505-001376 U160 FET-SILICON FDC6329L,N/P,8V,2.5A,-,0.7W,SC-74 0601-000355 D101 CHIP,RED,2.0x1.6mm,660nm 0601-001343 LED100 LED CHIP,Y-GRN,1.1X0.8MM,570NM 0601-001343 LED101 LED CHIP,Y-GRN,1.1X0.8MM,570NM 0601-001343 LED102 LED CHIP,Y-GRN,1.1X0.8MM,570NM 0601-001343 LED103 LED CHIP,Y-GRN,1.1X0.8MM,570NM 0601-001343 LED104 LED CHIP,Y-GRN,1.1X0.8MM,570NM 0601-001343 LED105 LED CHIP,Y-GRN,1.1X0.8MM,570NM 0601-001343 LED106 LED CHIP,Y-GRN,1.1X0.8MM,570NM Samsung Electronics...
  • Page 22 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1005 2007-000145 R261 R-CHIP 6.2Kohm,5%,1/16W,DA,TP,1005 2007-000147 R142 R-CHIP 8.2Kohm,5%,1/16W,DA,TP,1005 2007-000147 R205 R-CHIP 8.2Kohm,5%,1/16W,DA,TP,1005 2007-000148 R112 R-CHIP 10Kohm,5%,1/16W,DA,TP,1005 2007-000148 R115 R-CHIP 10Kohm,5%,1/16W,DA,TP,1005 2007-000148 R120 R-CHIP 10Kohm,5%,1/16W,DA,TP,1005 2007-000148 R138 R-CHIP 10Kohm,5%,1/16W,DA,TP,1005 2007-000148 R165 R-CHIP 10Kohm,5%,1/16W,DA,TP,1005 2007-000148 R206 R-CHIP 10Kohm,5%,1/16W,DA,TP,1005 Samsung Electronics...
  • Page 23 R-CHIP 100Kohm,5%,1/16W,DA,TP,1005 2007-000162 R170 R-CHIP 100Kohm,5%,1/16W,DA,TP,1005 2007-000162 R183 R-CHIP 100Kohm,5%,1/16W,DA,TP,1005 2007-000162 R184 R-CHIP 100Kohm,5%,1/16W,DA,TP,1005 2007-000163 R256 R-CHIP 120Kohm,5%,1/16W,DA,TP,1005 2007-000164 R253 R-CHIP 150Kohm,5%,1/16W,DA,TP,1005 2007-000165 R157 R-CHIP 200Kohm,5%,1/16W,DA,TP,1005 2007-000170 R262 R-CHIP 1Mohm,5%,1/16W,DA,TP,1005 2007-000171 R168 R-CHIP 0ohm,5%,1/16W,DA,TP,1005 2007-000171 R196 R-CHIP 0ohm,5%,1/16W,DA,TP,1005 Samsung Electronics...
  • Page 24 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1005 2203-000233 C240 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1005 2203-000233 C244 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1005 2203-000233 C247 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1005 2203-000254 C101 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C103 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C105 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C107 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C108 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C120 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- Samsung Electronics...
  • Page 25 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C204 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C206 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C210 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C212 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C214 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C216 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C218 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C220 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C222 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- Samsung Electronics...
  • Page 26 C-CERAMIC,CHIP 0.56nF,10%,50V,X7R,TP,1005 2203-005061 C102 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C104 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C106 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C113 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C119 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C132 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C155 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C245 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 2203-005061 C246 C-CERAMIC,CHIP 100nF,+80-20%,16V,Y5V,TP,1005 Samsung Electronics...
  • Page 27 CN401 CONNECTOR-HEADER BOX,40P,2R,0.5MM,SMD-S,AUF 3722-001172 J200 JACK-AC POWER 2P,2.6PI,AU,BLK,NO GH71-00002A GD101 GROUNDING TERMINAL SCH-510,C1720,T0.1,- GH71-00002A GD102 GROUNDING TERMINAL SCH-510,C1720,T0.1,- GH71-00002A GD103 GROUNDING TERMINAL SCH-510,C1720,T0.1,- GH71-00002A GD104 GROUNDING TERMINAL SCH-510,C1720,T0.1,- GH71-00002A GD105 GROUNDING TERMINAL SCH-510,C1720,T0.1,- GH71-00002A GD106 GROUNDING TERMINAL SCH-510,C1720,T0.1,- Samsung Electronics...
  • Page 28 R-CHIP 1.8Kohm,5%,1/16W,DA,TP,1005 2007-007001 R329 R-CHIP 3.9KOHM,5%,1/16W,DA,TP,1005 2007-007001 R416 R-CHIP 3.9KOHM,5%,1/16W,DA,TP,1005 2007-007014 R427 R-CHIP 51KOHM,5%,1/16W,DA,TP,1005 2007-007107 R317 R-CHIP 100Kohm,1%,1/16W,DA,TP,1005 2007-007107 R443 R-CHIP 100Kohm,1%,1/16W,DA,TP,1005 2007-007137 R332 R-CHIP 1.2Kohm,1%,1/16W,DA,TP,1005 2007-007139 R412 R-CHIP 47Kohm,1%,1/16W,DA,TP,1005 2007-007142 R411 R-CHIP 10Kohm,1%,1/16W,DA,TP,1005 2007-007142 R424 R-CHIP 10Kohm,1%,1/16W,DA,TP,1005 Samsung Electronics...
  • Page 29 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C451 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C460 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000254 C464 C-CERAMIC,CHIP 10nF,10%,16V,X7R,TP,1005,- 2203-000278 C341 C-CERAMIC,CHIP 0.01nF,0.5pF,50V,NP0,TP,1005 2203-000330 C318 C-CERAMIC,CHIP 0.012nF,5%,50V,NP0,TP,1005 2203-000330 C430 C-CERAMIC,CHIP 0.012nF,5%,50V,NP0,TP,1005 2203-000438 C317 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C322 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- 2203-000438 C335 C-CERAMIC,CHIP 1nF,10%,50V,X7R,TP,1005,- Samsung Electronics...
  • Page 30 10uF,20%,6.3V,GP,TP,2012,- 2404-001064 C358 C-TA,CHIP 10uF,20%,6.3V,GP,TP,2012,- 2404-001064 C375 C-TA,CHIP 10uF,20%,6.3V,GP,TP,2012,- 2404-001064 C449 C-TA,CHIP 10uF,20%,6.3V,GP,TP,2012,- 2404-001086 C327 C-TA,CHIP 4.7uF,20%,6.3V,GP,TP,2012,- 2703-000190 L326 INDUCTOR-SMD 330nH,10%,0.8x1.6x0.8mm 2703-000213 L330 INDUCTOR-SMD 470nH,10%,0.8x1.6x0.8mm 2703-000301 L321 INDUCTOR-SMD 2.7uH,10%,0.8x1.6x0.8mm 2703-000301 L325 INDUCTOR-SMD 2.7uH,10%,0.8x1.6x0.8mm 2703-000310 L331 INDUCTOR-SMD 1.8uH,10%,0.8x1.6x0.8mm 6-10 Samsung Electronics...
  • Page 31 AB,1.6x0.8x0.8mm,-,- 3301-001105 L421 CORE-FERRITE AB,1.6x0.8x0.8mm,-,- 3301-001120 L424 CORE-FERRITE BEAD AB,2.0x1.25x0.9mm,-,- 3705-001163 CONNECTOR-COAXIAL SMC,JACK,100mohm,50ohm,0.5dB 3710-001535 CN401 CONNECTOR-SOCKET 40P,2R,0.5MM,SMD-S,AUF 4709-001080 U304 RF POWER SPLITTER 2WAY,955-979MHz,12dB,-,TP 4709-001201 F407 FREQ-ISOLATOR 824-849MHz,13dB,0.65dB,1.5 4719-001047 U306 MODULE PLL MODULE,1720-1780MHz,510MHz GH71-00163A F303 NPR-DUPLEX CAN SCH-850,C1720S,0.2,- Samsung Electronics 6-11...

  • Page 32: Block Diagram

    7. Block Diagram Samsung Electronics...

  • Page 33: Pcb Diagram

    8. PCB Diagram 8-1 Logic Top View Samsung Electronics...
  • Page 34 8-2 Logic Bottom View Samsung Electronics...
  • Page 35 8-3 RF Bottom View Samsung Electronics...
  • Page 36 8. PCB Diagram 8-1 Logic Top View Samsung Electronics...
  • Page 37 8-2 Logic Bottom View Samsung Electronics...
  • Page 38 8-3 RF Bottom View Samsung Electronics...

  • Page 39: Schematic Diagrams

    GND4 S3.6 R222 GND5 GND6 R223 GND7 R224 C245 R225 C246 C244 C230 GNDD 11.3K 100NF 100NF 100PF 220NF C101 C102 C103 C104 C105 C106 C107 C108 IFT3000-48BCCF-TR 10NF 100NF 10NF 100NF 10NF 100NF 10NF 10NF SMF05.TB PA_ON Samsung Electronics...
  • Page 40 IDLE- ON/OFF 4.7UF R193 R187 R165 R1C1 R1C1 R1C1 C270 1.8NF CELL_CON SLEEP- TCXO_CON ILC7082AIM5-30 C271 1.8NF R194 FDC6329L FDC6329L FDC6329L C186 C269 100NF MODE_SEL R180 C184 C185 560PF C273 100NF 560PF 560PF C272 1.8NF VBAT Q153 DTA144EE/TR Samsung Electronics...
  • Page 41 L414 L413 R416 3.9K BLM11A102SPT BLM11A102SPT R427 U405 R417 C429 C451 10NF 10NF D402 HSMS-285C U415 R447 LMV821M7 R425 R455 430K R411 PDM1 R412 C454 MODE_SEL R443 C460 TC4W53FU-TE12L 100K 10NF C453 C461 R424 47PF R426 C464 10NF Samsung Electronics...
  • Page 42 1.2K 19.68MHZ PLL_EN FIN_IF RX_IFVCO_OUT R329 3.9K U307 TCXO_VAA L335 DO_IF RX_IFVCO_VT C373 C370 C369 TCO-5660U1(19.68MHz) BLM11A102SPT 100PF 100PF 100PF 8 11 15 R328 C368 C366 1.5K C375 100NF TRK_LO_ADJ 10UF 10UF C371 C377 6.3V C367 6.3V 10NF Samsung Electronics...

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