Samsung SCH-8500 Service Manual Download

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ELECTRONIC

DUAL BAND(PCS+AMPS)
PORTABLE TELEPHONE

SCH-8500

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-8500

Page 1: ...NE SCH 8500 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 Dec 99 Pinted in Korea Code No GH68 00949A ELECTRONICS ...

Page 3: ...MA 1850 1910MHz 1930 1990MHz 1 23MHz 50KHz 1200 80MHz 1M25F9W 50 130 38MHz 210 38MHz 1st FTX 130 38MHz 2nd 260 76MHz 1st 420 76MHz 2nd FRX 210 38MHz 19 68MHz FRX 80MHz 150Hz 30 C 60 C AMPS 824 849MHz 869 894MHz 30KHz 30KHz 832 45MHz 40K0F8W 40K0F1D 50 130 38MHz 85 38MHz 1st FTX 130 38MHz 2nd 260 76MHz 1st 170 76MHz 2nd FRX 85 38MHz 19 68MHz 2 5ppm 30 C 60 C Supply Voltage 3 6V Size and Weight Slim...

Page 4: ...ter 1st FTX 130 38 2nd 260 76MHz Receiver 1st FRX 210 38MHz 2nd 420 76MHz TCXO Frequency 19 68MHz Frequency Stability FRX 80MHz 150Hz Operation Temperature 30 C 60 C Supply Voltage 3 6V 2 Transmitter Waveform Quality 0 944 or more Open Loop Power Control Range 25dBm 60 5dBm 41 5dBm 65dBm 20 5dBm 1 5dBm 104dBm 15 0dBm 30dBm Minimum Tx Power Control below 50dBm Closed Loop Power Control Range 24dB M...

Page 5: ...61dBm All Other Frequencies 47dBm Single Tone Desensitization lower than 1 Rx power 101dBm Tone power 30dBm Tone offset from carrier 1 25 MHz Intermodulation Spurious Response Attenuation lower than 1 Rx power 101dBm Tone 1 power 43dBm Tone 2 power 43dBm Tone 1 offset from carrier 1 25 MHz Tone 2 offset from carrier 2 05 MHz 1 3 Samsung Electronics ...

Page 6: ...ithin 3dB of specification output in 2 ms OFF Condition below 60dBm in 2ms Compresssor Compression Rate 2 1 Attack Time 3ms Recovery Time 13 5ms Reference Input input power level for producing a nominal 2 9kHz peak frequency deviation of transmitted carrier Preamphasis 6dB OCT within 0 3 3 kHz Maximum Frequency Deviation F3 of G3 12 kHz Supervisory Audio Tone 2 kHz 10 Signaling Tone 8 kHz 10 Wideb...

Page 7: ... Rate 1 2 Attack time within 3 ms Recovery Time within 13 5 ms Reference input output power level to a 1000Hz tone from a carrier within 2 9 kHz peak frequency deviation Sensitivity 12 dB SINAD 116dBm Intermodulation Spurious Response Attenuation above 65dB RSSI Range above 60dB Protection Against Spurious Response Interference above 60dB In Band Conducted Spurious Emission Transmit Band below 60 ...

Page 8: ...e GENERAL 1 Phone 2 General 3 NAM ESN Electronic Serial Number of the phone is B0000000 OK displayed CAI version Common Air Interface version is displayed 1 OK SCM Station Class Mark displays the power class 00001010 OK transmission slotted class dual mode Lock Code Lock code current status is displayed 0000 4 digit code to change enter new code OK stores it Slot Mode Slot mode Yes indicates the s...

Page 9: ...status is displayed Yes or Changes the status OK Stores it CDMA fSID CDMA foreign SID current status is displayed Yes or Changes the system OK Stores it CDMA fNID CDMA foreign NID current status is displayed Yes or Changes the system OK Stores it HOME SID SID written in the list current status is displayed number To change enter new one 1700 OK Stores it NID NID written in the list current status ...

Page 10: ...l Home SID 01 1st CDMA Home system ID current status is displayed 1 Phone number To change enter new one OK Store it NAM2 Digital Home NID 01 1st CDMA Home Network ID current status is displayed 65535 Phone number To change enter new one OK Store it NAM2 Digital Home SID 02 2nd CDMA Home system ID current status is displayed 1 Phone number To change enter new one OK Store it NAM2 Digital Home NID ...

Page 11: ...DMA Access Overload Class current status is displayed 6 class number To change enter new one OK Store it NAM2 Analog Phone Phone number 1234567890 Phone number To change enter new one OK Store it NAM2 Analog Directory Directory number 1234567890 Phone number To change enter new one OK Store it NAM2 Analog Home SID Analog Home system ID current status is displayed 1 Phone number To change enter new...

Page 12: ...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 Samsung Electronics 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 13: ...FOR SCH 8500 1 TEST CABLE 2 TEST CABLE CONNECTIONS 1 MHC 172 2 RF CABLE 1 4 dB Loss for AMPS 2 2dB for PCS 3 BNC CONNECTOR RF 4 PLUG CONNECT TO SCH 8500 5 DATA CABLE 6 Dsub 25PIN CONNECTOR DATA 4 2 Samsung Electronics 1 4 5 6 2 3 ...

Page 14: ...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 FREQUENCY 990 N 1023 F 0 03 X N 1023 870 00 TX 0 N 1199 F 0 05 X N 1850 00 N CH NUMBER FREQUENCY F FREQUENCY RX 0 N 1199 F 0 05 X N 1930 00 2 CDMA PCS FREQUENCY Samsung Electronics...

Page 15: ...4 2 Channel Selection and Tx Power Output Level Control 1 AMPS FM A Enter to Test Mode 4 7 8 6 9 1 2 3 5 B The command 20 is mode and channel change 10000 or 10001 AMPS s Sytem A and Sytem B C To finish the Test Mode You should enter the command 0 2 D 0 1 Suspend E 4 6 Vocoder initial to Analog mode F 0 9 0 3 6 3 Set to 0363 channel G 0 7 Carrier On H 9 2 Output RF power level is set as power leve...

Page 16: ...ode You should enter the command 0 2 D 0 1 Suspend E 0 9 0 6 0 0 Set to 0600 channel F 0 7 Carrier On G 3 4 Spread spectrum to 1 23MHz band width H 84 High Power mode On I 7 4 Output RF power level is set max power means AGC level and AGC level range is from 000 to 511 Channel number Mdoe CDMA Samsung Electronics 4 5 ...

Page 17: ...4 dB 5 15 dBm 2 4 dB 6 12 dBm 2 4 dB 7 9 dBm 2 4 dB 0 8 Carrier off Note 1 In case of using the antenna cable compensation for the cable loss should be added about 1 5dB Note 2 To prevent phones from being damaged they must be measured only by calibrated test equipments Warning Adjustments without calibrated equipments can cause phones to be heated excessively and would void the warranty 3 TX 0 1 ...

Page 18: ...y 6kHz Frequency deviation 2kHz Measure the Tx SAT deviation by using the HPF of 50Hz and the LPF of 6kHz spec 2kHz 10 3 3 SAT off 7 WBD 0 1 Suspend DEVIATION 4 6 Initialize Vocoder in Analog mode 0 9 0 3 6 3 Set channel to 363 0 7 Carrier On 3 4 WBD on Measure the WBD deviation by using the HPF of 50Hz and the LPF of 20kHz spec 8kHz 10 8 RX AUDIO 0 1 Suspend 4 6 Initialize Vocoder in Analog mode ...

Page 19: ... 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 9 2 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 spurious at FC 900kHz FC 1 ...

Page 20: ...5 Exploded View its Parts List 5 1 Main Set Exploded View Samsung Electronics 5 1 ...

Page 21: ...R 4 1 GH68 30846A LABEL R QUALCOMM SNA 4 2 GH70 10516A IPR SPRING LOCKER SNA 4 3 GH71 00010A NPR GROUND PLATE SNA 4 4 GH71 00100A NPR BRACKET ANT SNA 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 ...

Page 22: ...110MIL S 1201 001175 U404 IC PREAMP 01037 SOP 6P 59MIL SINGLE PL 1201 001348 U415 IC OP AMP 821 SOT23 5 5P 63MIL SINGLE 1201 001517 U302 IC RF AMP 2361 SOT23 5 5P SINGLE 20dB 1201 001518 U409 IC POWER AMP QCPM9804 MULTIPAK 14P TRIPLE 1204 001013 U403 IC MODULATOR UPC8106T SOT 23 6P 59MIL 1205 001710 U301 IC MIXER NJG1553F MTP 6P EPOXY RESIN 5V 1205 001773 U303 IC MIXER RF2466 MLP 16P PLASTIC 4V 12...

Page 23: ...1 1 16W DA TP 1005 2007 007771 R307 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R309 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R312 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R318 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R321 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R325 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R326 R CHIP 0OHM 5 1 16W DA TP 1005 2007 007771 R327 R CHIP 0OHM 5 1 16W DA TP 10...

Page 24: ...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 000386 C442 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1005 2203 000425 C344 C CERAMIC CHIP 0 018nF 5 50V NP0 TP 1005 2203 000425 C348 C CERAMIC CHIP 0 018nF 5 50V NP0 TP 1005 2203 000438 C308 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000438 C310 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000438 ...

Page 25: ...10 16V Y5V TP 1005 1 0mm 2203 001416 C334 C CERAMIC CHIP 33nF 10 16V Y5V TP 1005 1 0mm 2203 001437 C340 C CERAMIC CHIP 5pF 0 25pF 50V X7R TP 1005 1 0 2203 002525 C319 C CERAMIC CHIP 0 56nF 10 50V X7R TP 1005 2203 002525 C466 C CERAMIC CHIP 0 56nF 10 50V X7R TP 1005 2203 002677 C301 C CERAMIC CHIP 0 75pF 0 1pF 50V CH TP 1005 2203 002968 C401 C CERAMIC CHIP 0 051nF 5 50V NP0 TP 1005 2203 002968 C409...

Page 26: ...NH 5 1 6X0 8X0 8MM 2703 001293 L411 INDUCTOR SMD 82nH 5 1 6x0 8x0 8mm 2703 001543 L318 INDUCTOR SMD 33nH 5 1 8x1 12x1 02mm 2703 001595 L409 INDUCTOR SMD 47nH 5 1 0x0 5x0 5mm 2703 001595 L416 INDUCTOR SMD 47nH 5 1 0x0 5x0 5mm 2703 001595 L417 INDUCTOR SMD 47nH 5 1 0x0 5x0 5mm 2703 001701 L405 INDUCTOR SMD 6 8nH 10 1 0x0 5x0 5mm 2703 001726 L313 INDUCTOR SMD 27nH 5 1x0 5x0 5mm 2703 001726 L316 INDUC...

Page 27: ...1 25x0 9mm 3705 001163 J1 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 001119 U305 RF POWER SPLITTER 2WAY 1 5 1 9GHz 12dB 4 0dB TP 4709 001145 F301 FREQ SEPARATOR 824 894MHz 1850 1990MHz 1W 3 2 4709 001200 F406 FREQ ISOLATOR 1850 1910 MHz 14dB 0 6dB 1 6 4709 001201 F407 FREQ ...

Page 28: ...ATE TSSOP 14P 173 1009 001006 SW101 IC HALL EFFECT S W A3210ELH SC 74A 3P 1103 001147 U105 IC EEPROM 24256 256KBIT SOP 8P 1109 001138 U103 IC ETC MEMORY 84VD2219 4MX8 OR 2MX16BIT BGA 1202 001022 U251 IC VOLTAGE COMP 75W56 SSOP 8P 110MIL DUAL 7V C 1203 001767 U153 IC VOLTAGE REGULATOR 2988 SOP 8P 118MIL 3 0V 1203 001850 U154 IC VOLTAGE REGULATOR 7082 SOT 23 5P 1203 001850 U155 IC VOLTAGE REGULATOR ...

Page 29: ...007 000148 R216 R CHIP 10Kohm 5 1 16W DA TP 1005 2007 000148 R220 R CHIP 10Kohm 5 1 16W DA TP 1005 2007 000148 R226 R CHIP 10Kohm 5 1 16W DA TP 1005 2007 000148 R249 R CHIP 10Kohm 5 1 16W DA TP 1005 2007 000148 R250 R CHIP 10Kohm 5 1 16W DA TP 1005 2007 000151 R147 R CHIP 15Kohm 5 1 16W DA TP 1005 2007 000152 R133 R CHIP 20Kohm 5 1 16W DA TP 1005 2007 000152 R134 R CHIP 20Kohm 5 1 16W DA TP 1005 2...

Page 30: ...7 001305 R101 R CHIP 120ohm 5 1 16W DA TP 1005 2007 001319 R221 R CHIP 1 2Kohm 5 1 16W DA TP 1005 2007 001320 R219 R CHIP 1 8Kohm 5 1 16W DA TP 1005 2007 001325 R106 R CHIP 3 3Kohm 5 1 16W DA TP 1005 2007 001333 R255 R CHIP 18Kohm 5 1 16W DA TP 1005 2007 003010 R104 R CHIP 20OHM 5 1 16W DA TP 1005 2007 003010 R105 R CHIP 20OHM 5 1 16W DA TP 1005 2007 003010 R258 R CHIP 20OHM 5 1 16W DA TP 1005 200...

Page 31: ... 16V X7R TP 1005 2203 000254 C209 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C211 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C213 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C215 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C217 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C219 C CERAMIC CHIP 10nF 10 16V X7R TP 1005 2203 000254 C223 C CERAMIC CHIP 10nF 10 16V X7R...

Page 32: ... C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000438 C238 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000438 C239 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000438 C265 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000438 C299 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2203 000489 C236 C CERAMIC CHIP 2 2nF 10 50V X7R TP 1005 2203 000679 C143 C CERAMIC CHIP 0 027nF 5 50V NP0 TP 1005 2203 000679 C144 C CERAMIC...

Page 33: ...005 2203 005061 C301 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2203 005065 C156 C CERAMIC CHIP 1000nF 80 20 10V Y5V TP 1608 2203 005065 C159 C CERAMIC CHIP 1000nF 80 20 10V Y5V TP 1608 2203 005065 C168 C CERAMIC CHIP 1000nF 80 20 10V Y5V TP 1608 2203 005138 C270 C CERAMIC CHIP 1 8nF 10 50V X7R TP 1005 2203 005138 C271 C CERAMIC CHIP 1 8nF 10 50V X7R TP 1005 2203 005138 C272 C CERAMIC CHIP 1 8nF 1...

Page 34: ...MINAL SCH 510 C1720 T0 1 GH71 00002A GD102 NPR GROUNDING TERMINAL SCH 510 C1720 T0 1 GH71 00002A GD103 NPR GROUNDING TERMINAL SCH 510 C1720 T0 1 GH71 00002A GD104 NPR GROUNDING TERMINAL SCH 510 C1720 T0 1 GH71 00002A GD105 NPR GROUNDING TERMINAL SCH 510 C1720 T0 1 GH71 00002A GD106 NPR GROUNDING TERMINAL SCH 510 C1720 T0 1 GH71 00002A GD107 NPR GROUNDING TERMINAL SCH 510 C1720 T0 1 GH71 00002A GD1...

Page 35: ... 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 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 ...

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