Samsung SCH-880 Service Manual Download

Page: 1 / 42

ELECTRONIC

CDMA PORTABLE
TELEPHONE

SCH-880

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. PCB Diagram

9. Schematic Diagrams

SERVICE

Summary of Contents for SCH-880

Page 1: ...880 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 PCB Diagram 9 Schematic Diagrams SERVICE ...

Page 2: ...Samsung Electronics Co Ltd Jun 00 Pinted in Korea Code No GH68 012608A ELECTRONICS ...

Page 3: ...iate Freq Tx Local Freq Rx Local Freq TCXO freq Freq Stability Operating Temperature CDMA 824 849MHz 869 894MHz 1 23MHz 30KHz 832 45MHz 40K0F8W 40K0F1D 50Ω 130 38MHz 85 38MHz 1st FTX 130 38MHz 2nd 260 76MHz 1st 170 76MHz 2nd FRX 85 38MHz 19 68MHz FRX 45MHz 300Hz 30 C 60 C 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 50...

Page 4: ...130 38MHz 2nd 260 76MHz Receiver 1st FRX 85 38MHz 2nd 170 76MHz TCXO Frequency 19 68MHz Frequency Stability FRX 45MHz 300Hz Operation Temperature 30 C 60 C Supply Voltage 3 6V 2 Transmitter Waveform Quality 0 944 or more Open Loop Power Control Range 25dBm 57 5dBm 38 5dBm 65dBm 17 5dBm 1 5dBm 104dBm 18 0dBm 30dBm Minimum Tx Power Control below 50dBm Closed Loop Power Control Range 24dB Maximum RF ...

Page 5: ... All Other Frequencies 47dBm Single Tone Desensitization lower than 1 Rx power level 101dBm Tone power level 30dBm 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 1 3 Samsung Electronics ...

Page 6: ...OK Press OK to view next status item General VOC Select SO_VOICE_EVRC or To change Vocoder rate press or OK Store it General SCM Station Class Mark displays the power class 01101010 transmission slotted class dual mode OK Press OK to view next status item General Lock Code 0000 4 digit lock code current ststus is displayed OK Press OK to view next status item General Slot Mode Slot mode Yes indica...

Page 7: ...urrent code is displayed OK Press OK to view next status item NAM1 Digital IMSI_MNC 00 IMSI Mobile Network Code current code is displayed OK NAM1 Digital CDMA ACCOLC class number 6 CDMA Access Overload Class current status is displayed OK Press OK to view next status item NAM1 Digital Pchn Sys A 283 Primary channel at System A current channel is displayed OK Press OK to view next status item NAM1 ...

Page 8: ...k system ID current status is displayed OK Press OK to view next status item repeated to LockoutSID10 NAM1 Digital CDMA HomeSID CDMA Home system ID current status is displayed Yes or Changes the status OK Store it NAM1 Digital CDMA fSID CDMA foreign SID current status is displayed Yes or Changes the system OK Store it NAM1 Digital CDMA fNID CDMA foreign NID current status is displayed Yes or Chang...

Page 9: ...tem NAM1 Digital Home SID 02 8465 2nd CDMA Home system ID current status is displayed OK Press OK to view next status item NAM1 Digital Home NID 02 65535 2nd CDMA Home Network ID current status is displayed OK Press OK to view next status item repeated to SID 4 NID 4 2 4 Samsung Electronics LCD Display Key in Function ...

Page 10: ...MSI Moble Country Code current code is displayed OK Press OK to view next status item NAM2 Digital IMSI_MNC 00 IMSI Mobile Network Code current code is displayed OK NAM2 Digital CDMA ACCOLC class number 6 CDMA Access Overload Class current status is displayed OK Press OK to view next status item NAM2 Digital Pchn Sys A 283 Primary channel at System A current channel is displayed OK Press OK to vie...

Page 11: ...l LockoutSID02 0 2nd lock system ID current status is displayed OK Press OK to view next status item repeated to LockoutSID10 NAM2 Digital CDMA HomeSID CDMA Home system ID current status is displayed Yes or Changes the status OK Store it NAM2 Digital CDMA fSID CDMA foreign SID current status is displayed Yes or Changes the system OK Store it NAM2 Digital CDMA fNID CDMA foreign NID current status i...

Page 12: ...OK to view next status item NAM2 Digital Home SID 02 8465 2nd CDMA Home system ID current status is displayed OK Press OK to view next status item NAM2 Digital Home NID 02 65535 2nd CDMA Home Network ID current status is displayed OK Press OK to view next status item repeated to SID 4 NID 4 LCD Display Key in Function ...

Page 13: ..._LAMP_OFF_I T_PLINE_I T_AUTOANSWER_I T_SATON_I 2 T_SATOFF_I T_CDATA_I T_RXRAS_FLATNESS_I T_VOC_ENC_OFFSET_I T_VOC_DEC_OFFSET_I T_VOC_CDMA_UNITY_GAIN_I T_VOC_FM_HFRX_UPGAIN_I T_DTMFON_I2 T_DTMFOFF_I T_COMPANDORON_I T_COMPANDOROF_I T_FM_VCLINE_I T_FM_AUD_GAIN_I Enter to test menu Escape from test menu Get mode CDMA FM Turn on the carrier Turn off the carrier Load the synthesizer for locking Change R...

Page 14: ...J_I3 T_CDTRK_ADJ_I T_FM_CH_FLATNESS_I T_SVC_LED_I T_TXRAS_ADJ_I T_RXRAS_ADJ_I T_CH_FLATNESS_I T_FM_TX_PWR_I T_TXRAS_ADJ_BP_ON_I T_SND_GAIN_I Activate a vibrator Inactivate a vibrator Battery Type View HW version Target Carrier option Change banner Target Service option External Audio Path On Off Unmute MIC Path mute MIC Path Tune on the all audio path AMPS Tx Audio Gain Control AMPS Rx Audio Gain ...

Page 15: ...st Mode HP8596E 4 2 Configuration of Test 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 4 1 Spectrum Analyzer RF In HP8924C RF In Out Directional Coupler Test Jig To A Out To A In DC Power Supply 3 93V Audio Out Audio In ...

Page 16: ...n for SCH 850 1 Test Cable 2 Test Cable Connections 1 MHC 172 2 RF CABLE 91 4db Loss for CDMA800 and AMPS 3 BNC CONNECTOR RF 4 PLUG CONNECT TO SCH 850 5 DATA CABLE 6 Dsub 25PIN CONNECTOR DATA Samsung Electronics 4 2 1 4 5 6 2 3 ...

Page 17: ...sub CONN DESCRIPTION PIN NO DP_RX_DATA 8 HP_PWR 9 RI 10 CD 11 RTS 14 CTS 17 DTR 18 4 CONVERSION TABLE OF FREQUENCY vs CHANNEL T Y P E CHANNEL CONVERSION EQUATION REMARK TX 1 N 799 F 0 03 X N 825 00 N CH NUMBER FREQUENCY 990 N 1023 F 0 03 X N 1023 825 00 F FREQUENCY RX 1 N 799 F 0 03 X N 870 00 AMPS CDMA FREQUENCY 990 N 1023 F 0 03 X N 1023 870 00 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8...

Page 18: ...pectrum 8 4 High power mode 9 6 You can read the number the code and the push the 7 1 2 6 0 Set AGC level to the numer of reading about 188 Measure the bandwidth spec 1 32MHz 4 LIMITATIONS ON 0 1 Suspend EMISSIONS 0 9 0 3 6 3 Set channel to 363 0 7 Carrier On 3 4 Spread spectrum 8 4 High power mode 9 6 You can read the number the code and the push the 7 1 2 6 0 Set AGC level to the numer of readin...

Page 19: ...5 1 5 Exploded View its Parts List 5 1 Main Set Exploded View Samsung Electronics ...

Page 20: ... GH71 00100A NPR BRACKET ANT 4 5 GH72 00127A PMO BATT LOCKER SNA 4 6 GH72 00673A PMO REAR COVER SNA 4 7 GH74 00027A MPR SHIELD TAPE SNA 4 8 GH74 00377A MPR BUZZER GRILL SNA 5 GH75 00394A MEC SHIELD COVER 5 1 GH72 00666A PMO SHIELD COVER SNA 5 2 GH74 00362A MCT SHIELD DUPLEX SNA 6 GH96 00863A ELA GRAPHIC LCD 7 GH92 00762A PBA MAIN LOGIC 8 GH92 00828A PBA MAIN RF 9 GH72 01667A PMO KNOB VOLUME 10 GH7...

Page 21: ... SIGNAL 2SC4081 NPN 200mW UMT TP 180 3 0501 000218 Q151 TR SMALL SIGNAL 2SC4081 NPN 200mW UMT TP 180 3 0501 002202 Q102 TR SMALL SIGNAL MMBT2222AWT1 NPN 150mW SOT 323 0501 002202 Q111 TR SMALL SIGNAL MMBT2222AWT1 NPN 150mW SOT 323 0504 000167 Q150 TR DIGITAL RN1102 NPN 100MW 10K 10K SSM TP 0504 000168 Q101 TR DIGITAL RN1104 NPN 100MW 47K 47K SSM TP 0504 000168 Q152 TR DIGITAL RN1104 NPN 100MW 47K ...

Page 22: ... 000138 R125 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R128 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R129 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R131 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R132 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R149 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R209 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000140 R148 R CHIP 1Kohm 5 1 16W DA TP 1005 2007 ...

Page 23: ...16W DA TP 1005 2007 000153 R176 R CHIP 22Kohm 5 1 16W DA TP 1005 2007 000153 R179 R CHIP 22Kohm 5 1 16W DA TP 1005 2007 000154 R257 R CHIP 24Kohm 5 1 16W DA TP 1005 2007 000156 R225 R CHIP 30Kohm 5 1 16W DA TP 1005 2007 000157 R117 R CHIP 47Kohm 5 1 16W DA TP 1005 2007 000157 R118 R CHIP 47Kohm 5 1 16W DA TP 1005 2007 000159 R150 R CHIP 56Kohm 5 1 16W DA TP 1005 2007 000159 R158 R CHIP 56Kohm 5 1 ...

Page 24: ...007 007142 R214 R CHIP 10Kohm 1 1 16W DA TP 1005 2007 007142 R217 R CHIP 10Kohm 1 1 16W DA TP 1005 2007 007142 R222 R CHIP 10Kohm 1 1 16W DA TP 1005 2007 007148 R143 R CHIP 3 6KOHM 5 1 16W DA TP 1005 2007 007309 R223 R CHIP 12Kohm 1 1 16W DA TP 1005 2007 007311 R102 R CHIP 22Kohm 1 1 16W DA TP 1005 2007 007311 R201 R CHIP 22Kohm 1 1 16W DA TP 1005 2007 007318 R103 R CHIP 1Kohm 1 1 16W DA TP 1005 2...

Page 25: ...386 C286 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000386 C287 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000386 C288 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000386 C289 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000386 C290 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000386 C291 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000386 C292 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 22...

Page 26: ...50V NP0 TP 1005 2203 001210 C123 C CERAMIC CHIP 8 2nF 10 16V X7R TP 1005 2203 001210 C124 C CERAMIC CHIP 8 2nF 10 16V X7R TP 1005 2203 001210 C125 C CERAMIC CHIP 8 2nF 10 16V X7R TP 1005 2203 001210 C126 C CERAMIC CHIP 8 2nF 10 16V X7R TP 1005 2203 001405 C260 C CERAMIC CHIP 22nF 80 20 25V Y5V TP 1005 2203 001416 C112 C CERAMIC CHIP 33nF 10 16V Y5V TP 1005 1 0mm 2203 001432 C110 C CERAMIC CHIP 47n...

Page 27: ...C TA CHIP 33uF 20 6 3V GP TP 3719 2404 001100 C257 C TA CHIP 33uF 20 6 3V GP TP 3719 2703 000300 L203 INDUCTOR SMD 1uH 10 0 8x1 6x0 8mm 2703 000300 L204 INDUCTOR SMD 1uH 10 0 8x1 6x0 8mm 2703 000300 L211 INDUCTOR SMD 1uH 10 0 8x1 6x0 8mm 2703 001512 L208 INDUCTOR SMD 27nH 5 1 8x1 12x1 02mm 2703 001914 L205 INDUCTOR SMD 180nH 2 1 6x0 8x0 8mm 2703 001914 L207 INDUCTOR SMD 180nH 2 1 6x0 8x0 8mm 2703 ...

Page 28: ...TRIPLE 24dB 4 5V 2 5W 1204 001013 U403 IC MODULATOR UPC8106T SOT 23 6P 59MIL 6V 280MW 1205 001773 U303 IC MIXER RF2466 MLP 16P 4V TP CDMA FM MIXER 2007 000070 F301 R CHIP 0ohm 5 1 16W DA TP 1608 2007 000138 R310 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000138 R322 R CHIP 100ohm 5 1 16W DA TP 1005 2007 000141 R456 R CHIP 2 2Kohm 5 1 16W DA TP 1005 2007 000142 R314 R CHIP 2 7Kohm 5 1 16W DA TP 1005 200...

Page 29: ... C315 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C338 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C339 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C349 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C350 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C351 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C353 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C355 C ...

Page 30: ...5 2203 002968 C422 C CERAMIC CHIP 0 051nF 5 50V NP0 TP 1005 2203 002968 C432 C CERAMIC CHIP 0 051nF 5 50V NP0 TP 1005 2203 005061 C352 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2203 005061 C356 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2203 005061 C363 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2203 005061 C368 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2203 005061 C439 C CERAMIC CHIP 100nF 80 2...

Page 31: ...04 001123 F401 FILTER SAW 130 38MHz 2 847MHz TP 4 95M 2904 001136 F306 FILTER SAW 881 5MHz 25MHz 25MHz 0 9dB T 2904 001138 F402 FILTER SAW 836 50MHz 849MHz 1dB TP 849M 2904 001138 F404 FILTER SAW 836 50MHz 849MHz 1dB TP 849M 2904 001148 F310 FILTER SAW 85 380MHz 13KHz 1 5dB TP 60K 2904 001193 F309 FILTER SAW 85 38MHZ 1 8MHZ 0 3MHZ 0 2909 001082 F305 FILTER DUPLEXER 881 5MHZ 836 5MHZ 3 8 2DB 3301 0...

Page 32: ... 2 D I V I D E 2 I I Q Q LN A PA PA D A V CO PC S D U PLEXER A N T PC S 1930 1990M H z A M PS 869 894M H z PC S 210 38M H z A M PS 85 38M H Z PC S 1850 1910M H z A M PS 824 849M H z I SO I FR3000 PCS CDM A AM PS I SO I FT3000 PC S AM PS 130 38M H z D A PLL m odul e RX AG C P C S A M P S Q I P C S P C S P C S A M P S A M P S A M P S M em ory 32M 4M Codec Keypad LCD Rx tank T x T ank M R FI C1854 PA...

Page 33: ...Samsung Electronics 8 1 8 PCB Diagram 8 1 Logic Top View ...

Page 34: ...Samsung Electronics 8 2 8 2 Logic Bottom View ...

Page 35: ...Samsung Electronics 8 3 8 3 RF Bottom View ...

Page 36: ...Samsung Electronics 8 1 8 PCB Diagram 8 1 Logic Top View ...

Page 37: ...Samsung Electronics 8 2 8 2 Logic Bottom View ...

Page 38: ...Samsung Electronics 8 3 8 3 RF Bottom View ...

Page 39: ... C248 R123 22K VDD NC C111 C243 390PF 100PF C240 Q103 2SC4081BRT106 1 3 2 T1 PCMSCS C238 1NF 10NF C223 4 7K R110 430 R218 VDD C134 NC SW101 A3210ELH 3 GND 2 OUT VCC 1 2 2NF C236 R262 1 5K R166 BLM11A102SPT L209 1M R201 22K 1NF C212 R217 10K NC R195 S3 6 VDD L205 180nH VDD C217 10NF C105 10NF 100NF C119 C237 1NF C220 10NF 1NF _LB 3G _OE 5C _RESET 4C _UB _WE 6B _WP ACC 5B C103 8F SA VCCF 5H 6H VCCS ...

Page 40: ...19 15 CS 31 33 U250 ST5092TQFPTR 23 R184 100K 15PF C292 1 2 TALK 1 2 CLR 1NF C178 100K R155 12 15PF C291 20 13 VDD 5 VCC 8 R255 18K U105 M24256 WMN6T 6 SCL SDA 10NF C253 VON OFF L212 BLM11A102SPT U151 FDC6329L 2 C1 3 C2 R1C1 6 R2 1 4 VINR1 5 4 1 2 DTA144EE TR 2 3 1 2 2K R192 28 Q153 6 3V 2 2UF C264 1 VAA CN400 1 IL FPR 22S HF E3000 1 1 2 U251 2 TC75W56FU TE12L 5 6 7 CN201 1 1 20 R258 100NF C258 33...

Page 41: ...ND3 15 GND4 16 21 GND5 1 IFIN 20 IFIN 3 MRFIC1854R2 U410 B SEL 4 ENABLE 2 EXC IN 13 6 OUT CE053R836DCA F407 GND1 2 GND2 5 GND3 3 4 GND4 1 IN 300 R406 10NF C447 1NF 8 VDD VEE 3 4 VSS C416 5 A 7 CH0 CH1 6 1 COM 2 INH R410 5 6K TC4W53FU TE12L U405 NC R415 C438 47PF L407 3 3nH C402 10NF 2 3 4 5 L414 BLM11A102SPT UMC5NTL U402 1 C460 10NF C427 1NF 10NF C451 L411 82nH 10NF C413 33PF C426 R426 10K C463 47...

Page 42: ...N 2 OUT J1 MHC 173 D301 BAR63 03W C362 2PF 2PF C302 R308 NC 1 8uH L331 C321 3PF L316 27NH R317 10nH L308 100K C343 10NF NC C329 0 7PF C301 C346 C305 NC G5 8 9 G6 1 IN IN R 10 OUT 5 6 OUT R 8 2PF F309 TMXL972 2 G1 G2 3 4 G3 G4 7 3 VPD L325 2 7uH U302 RF2361TR13 GND1 2 GND2 5 1 RFIN RFOUT 4 VCC 5PF C340 16 LD 14 LE 9 OCS_IN 12 1 RFOUT1 7 RFOUT2 VBB1 2 VBB2 6 5 13 CLK 10 DATA 3 DO_IF 4 FIN_IF 8 GND1 ...

Search results

Summary of Contents for SCH-880

Reviews:

Related manuals for SCH-880

Brands by name

Popular brands

Samsung SCH-880, Service Manual

Search results

Summary of Contents for SCH-880

Reviews:

Related manuals for SCH-880

Brands by name

Popular brands