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Samsung SP-C501R Service Manual

900mhz phone
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� Samsung Electronics Co., Ltd. 11. 2003
�
Printed in Korea
Samsung Cordless 900MHz Phone
Wide Phone SP-C501R
SERVICE
Samsung Cordless 900MHz Phone
MANUAL

Table of Contents

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3
4
9
5. Electrical Components List
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Summary of Contents for Samsung SP-C501R

  • Page 1: Table Of Contents

    3. How to Check for Trouble 4. Test Mode Procedure 5. Electrical Components List 6. Layout of Components 7. Perspective View and Components List 8. Block Diagram 9. Circuit Diagram � Samsung Electronics Co., Ltd. 11. 2003 � Printed in Korea...

  • Page 2: Samsung Electronics Co., Ltd

    Management Guideline for Service Manual SP-C501R This service manual contains important technical data on Samsung's products, so it may not be reproduced or distributed without our prior written consent. Please be careful to keep it safe from getting lost and stolen.

  • Page 3: Service Guidelines

    Do not adjust the adjusting parts of each end, unless a part of itself is not modified. If you use the unauthorized adjusting tool when adjusting the RF Module used for this mobile phone, the CORE of MODULE may be damaged, so only use the authorized adjusting tool. Samsung Electronics Co., Ltd －2－ Service Manual Samsung Electronics Co., Ltd...

  • Page 4: How To Check For Trouble

    1. Check if speech IC (U500) pin No. 12 is high when is there a ringing Is dialing available? entered in the pin (U1 No. 30). dialing. sound in the remote set? Diagnosis completion Samsung Electronics Co., Ltd －4－ Service Manual Samsung Electronics Co., Ltd －5－ Service Manual...
  • Page 5 1. Then check the receiving unit, MODEM(U2) and the Is the remote available sound? AMP circuit(U3). for receiving? Diagnosis completion Diagnosis completion Samsung Electronics Co., Ltd －6－ Service Manual Samsung Electronics Co., Ltd －7－ Service Manual...

  • Page 6: Test Mode Procedure

    "Test Mode" TP: Short four times 2. Defective contact terminal Check the contact terminal Returns to the first step Power OFF: Exit from the Test Mode Samsung Electronics Co., Ltd －8－ Service Manual Samsung Electronics Co., Ltd －9－ Service Manual...
  • Page 7 1. Same as RX Audio SINAD in measuring condition. 20dB Carrier "L H"=118dBm 2. Check if complete H/L is done within the range of Sensitivity "H L"=108dBm RF Level 01-114 4dBm. Samsung Electronics Co., Ltd －10－ Service Manual Samsung Electronics Co., Ltd －11－ Service Manual...
  • Page 8 "L H"=118dBm the RX Audio SINAD. 20dB (C/S) "H L"=110dBm 2. Check if complete H/L is done within the range of RF Level - 114 4dBm. Samsung Electronics Co., Ltd －12－ Service Manual Samsung Electronics Co., Ltd －13－ Service Manual...
  • Page 9 814.3625 814.8625 TX POWER OUTPUT ADJ 904.3875 904.8875 814.3875 814.8875 904.4125 904.9125 814.4125 814.9125 904.4375 904.9375 814.4375 814.9375 904.4625 904.9625 814.4625 814.9625 904.4875 904.9875 814.4875 814.9875 Samsung Electronics Co., Ltd －14－ Service Manual Samsung Electronics Co., Ltd －15－ Service Manual...
  • Page 10 1.2Kohm,5%,1/10W,TP,1608 0501-000462 Q4 TR-SMALL SIGNAL MMBT2907A,PNP,350MW,SOT-23,TP,50-300 2007-000125 R26 R-CHIP 3.9Kohm,5%,1/10W,TP,1608 0601-000273 LED3 LED CHIP,Y/GRN,0.8x1.2mm,570nm 2007-000127 R9 R-CHIP 9.1Kohm,5%,1/10W,TP,1608 0601-000273 LED4 LED CHIP,Y/GRN,0.8x1.2mm,570nm 2007-000134 R23 R-CHIP 33Kohm,5%,1/10W,TP,1608 Samsung Electronics Co., Ltd －16－ Service Manual Samsung Electronics Co., Ltd －17－ Service Manual...
  • Page 11 2203-000257 C36 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 GG39-00119A CBF HARNESS SP-C550,WIRE,UL1007,2PIN,50/70MM,RED/BLK,#26,-,-,-,DC500V,2MM,45/65MM,-,-,- 134 3 2203-000257 C38 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 GG61-00242A BODY-BASE CONTACT SP-B960,PBT(WB-5300G),T10.7,-,L7.8,W6.8,BLK,1G 2203-000315 C16 C-CER,CHIP 0.12NF,5%,50V,C0G,TP,1608 GG61-00261B BASE-HOUSING PIECE SP-C551SL,ABS(HG-0760),T32.0,W66.9,L102.4,G3262,94HB,27G Samsung Electronics Co., Ltd －18－ Service Manual Samsung Electronics Co., Ltd －19－ Service Manual...
  • Page 12 268 5 2007-000084 R407 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2201-000560 C501 C-CERAMIC,DISC 0.47NF,20%,400V,Y5P,TP,6.3X3MM,5 269 5 2007-000084 R725 R-CHIP 4.7Kohm,5%,1/10W,TP,1608 2401-000041 C902 C-AL 220uF,20%,16V,GP,TP,10x12.5,5 270 5 2007-000090 R419 R-CHIP 10Kohm,5%,1/10W,TP,1608 Samsung Electronics Co., Ltd －20－ Service Manual Samsung Electronics Co., Ltd －21－ Service Manual...
  • Page 13 314 5 2203-000189 C205 C-CER,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, 359 2 GG39-00072A CBF LINE CORD AR62-6P2C,1000mm,MODULAR-TO-MODULARAR 315 5 2203-000189 C404 C-CER,CHIP 100nF,+80-20%,25V,Y5V,TP,1608, 360 2 GG43-00013B BATTERY-NI MH LH045-4A52LC3BML,SP-C700R,NI-MH,450MAH,AAAA,-,45MA,3.6V,0 TO+45[C],450MAH,25.5*5 Samsung Electronics Co., Ltd －22－ Service Manual Samsung Electronics Co., Ltd －23－ Service Manual...

  • Page 14: Layout Of Components

    BAG PE-H/S R/M VINYL PELD,T0.06,100X260,SP-RM928 368 2 GG69-00231C BOX CARTON SP-C501R,SW2,A KOL,L588.0,W240.0,H175.0,-,- 369 2 GG69-00232C BOX INNER SP-C501R,ST300 A180 S125,ST300G+E,L223,W164.0,H116.0,-,- 370 2 GG69-00233B CUSHION PAD SP-C501R,SW2(A KOL),SK180 K180 SK180,T5.0,L340.0,W182.0,-,YELLOW,- Samsung Electronics Co., Ltd －24－ Service Manual Samsung Electronics Co., Ltd －25－ Service Manual...
  • Page 15 SP-C501R SP-C501R 6.2 REMOTE LOGIC TOP 6.3 REMOTE LOGIC BOTTOM Samsung Electronics Co., Ltd －26－ Service Manual Samsung Electronics Co., Ltd －27－ Service Manual...

  • Page 16: Perspective View And Components List

    CAP-BASE LED LANP GG67-00037A KEY-BASE CALL GG64-00286A SCREW-TAPTITE(PWH 2.6 � 6) 6003-000193 SCREW-TAPTITE(PH 2.5 � 8) 6003-000149 SCREW-TAPTITE(PH 3 � 8) 6003-000168 BASE HOUSING PLECE GG61-00261C Samsung Electronics Co., Ltd －28－ Service Manual Samsung Electronics Co., Ltd －29－ Service Manual...
  • Page 17 GG59-00068F SCREW-TAPTITE 6003-000149 HANDSET HEARING DECO GG59-00078B COVER REMOTE BATTERY GG63-00072F SCREW-TAPTITE 6003-000314 ATENNA-HERICAL GG41-00027A SPONGE HEARING UNIT GG72-00156A BATTERY-NI MH GG43-00013B REMOTE CID DECO GG59-00070B Samsung Electronics Co., Ltd －30－ Service Manual Samsung Electronics Co., Ltd －31－ Service Manual...

  • Page 18: Block Diagram

    Block Diagram Chapter 8. SP-C501R SP-C501R 8.1 RF BLOCK DIAGRAM 8.2 BASE SET BLOCK DIAGRAM Samsung Electronics Co., Ltd －32－ Service Manual Samsung Electronics Co., Ltd －33－ Service Manual...
  • Page 19 For example, if the current channel is not being used, or the user does not attempt to call, in other words, if 20/30dB is 'HIGH', the same process keeps repeating by transmitting the data of the next channel to a frequency synthesizing section. Samsung Electronics Co., Ltd －34－ Service Manual Samsung Electronics Co., Ltd...
  • Page 20 For the demodulation, when the signal received through the RF Module is inputted to the AK2361, it is outputted to the MPU through the MSK Demodulator, and the MPU performs the corresponding command by analyzing the inputted "I and O" signals. Samsung Electronics Co., Ltd －36－ Service Manual Samsung Electronics Co., Ltd...
  • Page 21 The signal passing through the RX AFSW is transmitted to the SPK Unit through the buffers, AMP3 (3) Power Amplification (Q202, Q203:2SC4784) and AMP4, of AK2361E at this time. Samsung Electronics Co., Ltd －38－ Service Manual Samsung Electronics Co., Ltd －39－...

  • Page 22: Circuit Diagram

    SP-C501R 9.3 BASE MAIN CIRCUIT DIAGRAM Samsung Electronics Co., Ltd －40－ Service Manual...
  • Page 23 SP-C501R 9.4 REMOTE LOGIC CIRCUIT DIAGRAM Samsung Electronics Co., Ltd －39－ Service Manual...

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