Samsung sf150t Service Manual
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Samsung sf150t Service Manual

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SERVICE
FACSIMILE
FACSIMILE
SF150T
Manual
1. Precautions
2. Specification
3. Operating Instructions
4. Disassembly and Reassembly
5. Circuit Description
6. Troubleshooting
7. Electrical Parts List
8. Exploded Views and Parts List
9. PCB Diagrams
10. Block Diagram
11. Wiring Diagram
12. Schematic Diagrams
CONTENTS

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Summary of Contents for Samsung sf150t

  • Page 1 FACSIMILE SF150T Manual SERVICE FACSIMILE CONTENTS 1. Precautions 2. Specification 3. Operating Instructions 4. Disassembly and Reassembly 5. Circuit Description 6. Troubleshooting 7. Electrical Parts List 8. Exploded Views and Parts List 9. PCB Diagrams 10. Block Diagram 11. Wiring Diagram...

  • Page 2: Precautions

    6. Observe the original lead dress, especially near sharp edges, AC, and high voltage power supplies. Always inspect for pinched, out-of- place, or frayed wiring. Do not change the spacing between components and the printed circuit board. SF150T...
  • Page 3 There could be a danger of explosion should not be opened, crushed, or burned for and subsequent operator injury and/or disposal. equipment damage if incorrectly installed. 2. Be sure to replace the battery with the same or equivalent type recommended by the manufacturer. SF150T...
  • Page 4 8. Exploded Views and Parts Lists 8-1. Total Assembly SF150T...
  • Page 5 REAR-BRKT JF70-10681A PBA-MAIN JF92-00842E SMPS-V2, AC/DC JF44-10059A ASS’Y-BASE UNIT JF96-01298A ASS’Y-MAIN CHASSIS UNIT JF96-01253A ASS’Y-HANDSET JF96-01262A CURL-CORD JF39-60075A SCREW, TAPTITE, BH, +, M3, L8 6003-000015 SCREW, TAPTITE, BH, +, M3, L6 6003-000261 SCREW, TAPTITE, BH, +, M3, L6 6003-000115 SF150T...
  • Page 6 Exploded Views and Parts Lists 8-2. Ass'y OPE Unit SF150T...
  • Page 7 JF70-10679A PRINT HEAD-THERMAL JF47-30069B PBA-P.EMPTY JF92-00704B GUIDE-TPH(L) JF70-10679B CBF-WIRE, MAIN-TPH, 14P JF39-40955A BRUSH-ANTISTATIC JF75-10650A FLAT CABLE, OPE-LCD JF39-41018A SCREW, TAPTITE, PWH, +, B, M2. 6003-000193 SCREW-MACHINE, BH, +, M3, L4 6001-000125 SCREW, TAPTITE, BH, +, B, M3, L 6003-000015 SF150T...
  • Page 8 Exploded Views and Parts Lists 8-3. Ass'y COVER TOP SF150T...
  • Page 9 SWITCH-HOOK, 48 V, 200 mA 3409-000117 PBA-HOOK JF92-00845C SPEAKER, 1 W, 8 OHM, 83dB 3001-001044 UNIT-FIXING BRKT GB70-10500A SCREW, TAPTITE, BH, +, M3, L6 6003-000261 SCREW, TAPTITE, BH, +, M3, L8 6003-000015 SCREW, TAPTITE, PWH, +, B, M2.5, L6 6003-000193 SF150T...
  • Page 10 Exploded Views and Parts Lists 8-4. Ass’y Handset SF150T...
  • Page 11 Location No. Description SEC. Code Q'ty Remark ASS'Y-HANDSET JF96-01262A HANDSET-LOWER JF72-42014A AUDIO-RECEIVER, 160 OHM 3009-001001 HOLD-DUMMY GB72-40792A RUBBER-MIC JF73-40501A PBA-H/S MIC JF92-00625A CBF-HARNESS JF39-40834A WEIGHT-BALANCE JF70-10864A HANDSET-UPPER JF72-42013A RING-OP, ID17, OD35 6044-000138 SCREW, TAPTITE, PH, +, B, M3, 6003-000168 SF150T...
  • Page 12 Exploded Views and Parts Lists 8-5. Ass'y Base SF150T...
  • Page 13 Remark ASS'Y-BASE JF96-01298A CBF-WIRE, MAIN-CIS/MODE JF39-41062A MICRO-SWITCH 3405-000166 STEP-MOTER, 7.5 DEG, 24 V 3101-000171 ASS’Y-MAIN CHASSIS UNIT JF96-01253A BASE JF72-42025A PBA-D’DET JF92-00888A CBF-WIRE, HANDSET-LIU JF39-41066A RUBBER-FOOT JF73-10002A MIC-CONDENSOR 3003-000120 MIC-ADAPTER GB72-40770A SCREW, TAPTITE, BH, +, M3, L6 6003-000261 8-10 SF150T...
  • Page 14 Exploded Views and Parts Lists 8-6. Harness SF150T 8-11...
  • Page 15 CBF-WIRE, MAIN-D.DET, MIC, 5 P JF39-41078A STEP-MOTER, 7.5 DEG, 24 V 3101-000171 CBF-WIRE, LIU-HOOK JF39-41080A CBF-WIRE, POWER-MOTOR JF39-40963B CBF-WIRE, POWER-TOP COVER JF39-40962B CURL CORD JF39-60075A CABLE CLAMP 6502-001026 CBF-WIRE, MAIN-BATTERY, 2 P JF39-41082A CBF-WIRE, MAIN-SPEAKER, 2 P JF39-41079A 8-12 SF150T...

  • Page 16: Troubleshooting

    Copy OK ? OGM play back ? another phone See Section 6-5 See Section 6-6 Manual Auto Answer ICM Recording ? RX OK ? operation OK ? OK ? See Section 6-9 See Section 6-10 See Section 6-7 See Section 6-8 SF150T...
  • Page 17 Troubleshooting Lift Handset Dial tone OK ? TX OK ? off hook See Section 6-11 See Section 6-12 SF150T...
  • Page 18 Power cord Check AC socket 220 - 240 VAC? Start connected ? voltage Connect as required Notify customer Check R5 changed Power Cord Fuse OK ? Q1 OK ? value ? Continuity Replace Cord Replace Fuse Replace Q1 Remove short SF150T...
  • Page 19 Check CON 1 Check PCB Pattern Replace U2 6-2-2 No -12 V D5 Open or Check output shorted ? Start Shorted ? U1 Input voltage Remove short Replace D5 -15 VDC U1 Output ? Check CON1 Check PCB Pattern Replace U1 SF150T...
  • Page 20 Shorted ? Remove short Replace D3 Check Q3 OK ? Check CON1 OVP operation Restart Replace Q3 6-2-4 + 24 V TPH Doesn't output Check Check CON1 Q5 OK ? Start C/S port short ? Remove short Replace Q5 SF150T...
  • Page 21 P5 Harness or OPE or OPE PBA Replace U7 Fax Engine IC Check 12 MHz Check 24 MHz Replace Clock U7-37 Clock U7-129 X2 XTAL Replace U14 Motor Driver O.K ? Replace U7 Fax Engine IC O.K ? Replace Main PBA SF150T...
  • Page 22 Check 24 V Insert Document P7-1 "L" ? Start P6-5, 6 ? Replace D-DET PBA See Section 6-2 or P7 Harness P6-1, 2, 3, 4 Replace Motor Motor Strobe U7-49, 50, 51, 52 Motor Strobe Replace U14 Replace U7 SF150T...
  • Page 23 P2-4, 6, 8, 10 Check U7-55 Check P1-10 P1-8, 9 ? TPH strobe "H" "L" Replace U7 Replace U5 See Section 6-2 Replace U7 P2-7, 11, 12 Replace TPH Replace U5 O.K ? Restart Replace U7 O.K ? Restart Replace Main PBA SF150T...
  • Page 24 Check P3-6 P3-4 CIS LED on ? CLK1: 300 kHz START Signal - 12 V ? Replace U7 Replace U7 See Section 6-2 Check P3-9 Replace CIS Replace CIS CLED ² 1 V U7-87 Replace Q2 "H" Replace U7 SF150T...
  • Page 25 6-6. OGM Not Playing Back Start OGM Play Back ? Speaker On Check Check Replace main Mic signal from signal from board P7-4, 5 U3-16 ? Check Replace Mic. P7 Harness ? Check signal from Replace U3 U3-29, 31 ? Replace speaker 6-10 SF150T...
  • Page 26 Troubleshooting 6-7. ICM Not Recording Start Call machine Recording Check LIU board from other phone mode ? OK ? ICM Playback ? Replace main Replace LIU board board SF150T 6-11...
  • Page 27 Troubleshooting 6-8. Malfunction in Auto Answer Start Call machine from Auto answer ? another phone Check signal P4-16 Replace U7 Replace LIU board 6-12 SF150T...
  • Page 28 Troubleshooting 6-9. Malfunction in Manual Receiving Start Lift handset Press START Machine goes on-line ? Check U7-45 (Hook Event) OK ? Check LIU board OK ? Replace LIU board Replace main Replace U7 board SF150T 6-13...
  • Page 29 Start Call fax machine Return Receiving Data ? Machine to Customer Rings exceed ÒRings To AnswerÓ Setting ? Main Board Replace LIU Board P4-18, 19 TX/RX Auto Answer ? Replace: Main Board Go To 6-9 ÒManual Receive MalfunctionÓ 6-14 SF150T...
  • Page 30 Main PCB U7-54 Dial tone ? CML1 Check/Replace: Speaker Main Board U14 P4, 205, 206 Main PCB Check / Replace: U3-29, 31 Handset cord SPK_OUT Handset Hook Switch LIU U201 LIU Board Replace U3 Return machine to Customer SF150T 6-15...
  • Page 31 Troubleshooting 6-12. Transmit Failure Start Dial Receiving Load document Machine Transmit Feed OK ? Begin ? Replace: LIU board Chart 6-4 Main Board Document Not Loading Return Machine to Customer 6-16 SF150T...

  • Page 32: Circuit Description

    Peripheral functions inculde 2-channel SI0, 3-channel DMA, 6-bit Half flash A/D converter, scanner and video processor units, TPH interface, CODEC unit, and tone generator. Modem is a 9600 bps, half duplex monolithic device incorporating digital filters, a Samsung SSP1600 digital signal processor and CPU-Interface logic.
  • Page 33 CONTROL AND PCLK DATA SENSORS D0~D7 MEMORY PLAT A0~A14 THADI KS16118 MOTOR D0~D7 SM0-SM3 A0~A15 PROGRAM DRIVER MODE MEMORY (MOTOR) /PMS CLK1 GENERAL SCANNER PURPOSE I/ 0 CONTROL PROCESSING /RESET +Vref RESTOUT -Vref Figure 5-2: XFC Hardware Interface Signals SF150T...

  • Page 34: Print Control

    A/D conversion register, ADCON (19H), is used GND5 to select an internal or external source for the A/D Figure 5-6: THD Connection Circuit converter, to enable or disable the converter, and to select the operating mode (H: ADin 1 (Scanner), L: ADin 0 (TPH)). SF150T...
  • Page 35 P2.0-P2.3 are input ports for OPE key scan data, The CIS driver clock (CLK1) frequency is 250 kHz. and P2.6-P2.7 are not used for SF150T. A 75% low duty cycle lengthens the charging time. Port 5 (EAH) is an 8-bit port with both output and A start signal (SI) is provided every 10 ms to I/O pins.
  • Page 36 CODEC Serial Data P5.6 SDATS Normal CODEC Enable P5.7 /SDEN P6.1 /HOOK DET2 Open Closed P6.2 MODE No Paper Paper Exist P6.3 P_EMPTY No Document Document Exist P6.4 D_DET Normal Incomming Ring P6.5 RING_DET Normal Active DSP Data Transfer P6.6 /DSPFLAG SF150T...
  • Page 37 This have two comparator having 1.25V reference voltage and two universal opamp. This has 1 W speaker drive amplifir that is able to drive 8 ohm speaker. Because MX93000AFCÕs control uses synchronous communication port, that is fast in action is convenient. SF150T...
  • Page 38 And then the voltage is used to "backup supply D/A and compresses in the DSP Chip and stores in voltage" in DSP or DRAM. DRAM. If the supply voltage were "OFF" as using the full charged 9V Battery, voice data is usually protected for twenty hours. SF150T...
  • Page 39 U201 sends an <Ack> message containing the ¥ U201 pin 28(MO) is ring melody output port and line current information to recognize a parallel this signal drive the Q207 which drive the phone. FET201 which drive Photo coupler U204 for SF150T...
  • Page 40 ¥ The 3 basic melody frequencies are : F1 = 880 Hz, F2 = 1067 Hz, and F3 = 1333 Hz. The repetition rate is set to 4 which means that the sequence of F!, F2, F3, F1, F2, F3 is repeated 4 times within a second. SF150T...
  • Page 41 LCD DB0H LCD DB0L OPI1 LED1 LCD DB1H LCD DB1L LED2 OPI2 LCD DB2H LCD DB2L LED7 OPI7 OPI[3:0] LEDCTL LCDCS LCD H LCD L IRQ2MS KB STROBE LCD HI LCD LO (12) (16) (128) [X] = Time Interval of TSTCLK's 5-10 SF150T...

  • Page 42: Disassembly And Reassembly

    Carefully lift the TX guide, as shown in the figure. OPE Cover Figure 4-1 4-2 Top Cover ¥ Loosen the 5 screws fastening the top cover. ¥ Carefully lift the top cover. ¥ Remove the wire harness from the base, as shown in the figure. Figure 4-2 SF150T...

  • Page 43: Ope Unit

    ¥ Loosen the 2 screws fastening the OPE chassis. OPE Cover ¥ Remove the Paper Empty sensor connector from the OPE board. ¥ Remove the OPE unit from the OPE chassis, as shown by the arrows. OPE Chassis Figure 4-4 SF150T...

  • Page 44: Main Frame

    ¥ Loosen the 2 screws fastening the main chassis assembly. ¥ Lift the CIS assembly. ¥ Remove the document guide from the CIS assembly (2 screws). ¥ Remove the CIS guide from the CIS (2 screws). Base Ass'y Figure 4-6 SF150T...
  • Page 45 Lift the daughter board. ¥ Loosen the 2 screws fastening the power supply BASE to the base. Lift the power supply and the main board to remove them. ¥ Lift the modular jack and the earth spring. Figure 4-7 SF150T...

  • Page 46: Operating Instructions

    300 bps in the mode. protocol mode. When the TX speed is set to 9600 bps, the RX speed will be V.29. When the TX speed is set to 4800 bps, the RX speed will be V.27 ter. SF150T...
  • Page 47 0, it allows callers to hear the greeting the more pronounced the effect. To compensate for message but doesn't permit them to leave this attenuation you may need to set the machine messages. to match the cable length currently used. Select short or long. SF150T...

  • Page 48: Line Monitor

    This funtion must make a properly timed break authorized by the country. The machine can select times of 100, 280, or 600 msat an accuracy of ± 10 ms of the setting. SF150T...

  • Page 49: Test Mode

    Test Mode is used to test machine functions. To enter Test Mode, press ÔMENU, 0, START/COPYÕ in sequence. TPH TEST The TPH test pattern checks the heating element of the TPH. Figure 3-1 is a sample test pattern. Figure 3-1: TPH Test Pattern SF150T...
  • Page 50 HELP LIST TEL. NUMBER LIST This report illustrates the machine's basic functions and commands. Use as a quick reference Lists all numbers stored in the machine's One- guide. Touch and Speed-Dialling memory. To print this list, press HELP (#). SF150T...

  • Page 51: Lcd Display

    C of session POST-MESSAGE ERROR: problem occurred during phase D of session LINE ERROR: machine cannot connect or has lost connection with the remote machine Additional messages, not shown above, will appear in the TX/RX journals printed in Service Mode. SF150T...
  • Page 52 Recording Paper Size 216 mm x 30 m; core diametre: 12.7 mm Effective Recording Width 210 mm Recording Method Solid state Thermal Printing Head Horizontal 8 dots/mm Standard: 3.85 lines/mm Resolution Vertical Fine: 7.7 lines/mm Super Fine: 15.4 lines/mm SF150T...
  • Page 53 Check power label attached near the power cord connection. Stand-by 7 Watt Power Consumption In use Max. 115 Watt °C to 45 °C Temperature Relative Humidity 20 to 80 % RH (Non-Condensing) Width 278 mm Depth 211 mm Dimension Height 107 mm Weight 2.5 kg SF150T...

  • Page 54: Electrical Parts List

    Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 Ceramic, Chip, 39 pF, J, 50 V, 2012 2203-000858 Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 SF150T...
  • Page 55 Ceramic, Chip, 100 pF, J, 50 V, 2012 2203-000239 Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 Ceramic, Chip, 100 nF, Z, 50 V, 2012 2203-000192 Ceramic, Chip, 100 pF, J, 50 V, 2012 2203-000239 SF150T...
  • Page 56 0403-000521 Zener, 3.9 V, 5 %, 1 W, 1N4730 0403-000521 - ICs - 4558, SOP, 8P 1201-000189 74HC32, OR Gate, SOP, 14 P 0801-000410 MX93000A, QFP, 44 P 1205-001333 SRAM, 62256, 32k x 8 bit, DIP, 28 P 1106-001037 SF150T...
  • Page 57 Chip, 34.8 kohm, G, 1/10 W, 2012 2007-000784 Chip, 86.6 kohm, F, 1/10 W, 2012 2007-001220 Chip, 300 ohm, J, 1/10 W, 2012 2007-000728 Chip, 787 kohm, F, 1/10 W, 2012 2007-002888 Chip, 300 ohm, J, 1/10 W, 2012 2007-000728 SF150T...
  • Page 58 Varistor, 600 V, 500 A, 7.0 x 3.3 mm, TP 1405-001009 ARR3 Varistor, 600 V, 500 A, 7.0 x 3.3 mm, TP 1405-001009 Inductor, Chip, 3.3 µH, 5 % 2703-000185 Inductor, Chip, 3.3 µH, 5 % 2703-000185 Coil-Filter, 60 µH, 50 Mohm, 18 T JF27-60051A SF150T...
  • Page 59 Crystal, 24.00014 MHz, 50 ppm 2801-001528 Crystal, 29.4912 MHz, 50 ppm 2801-001530 Battery-LI, 3V, 210mAH, Button 4301-000108 BUZ1 Buzzer, 81 dB, 1.5 V, 70 mA, 2.731kHz 3002-000126 Wire, Jumper, 52 mm, AWG22 Wire, Jumper, 52 mm, AWG22 PCB, MAIN, Blank SF150T...
  • Page 60 Ceramic, Chip, 15 nF, K, 50 V 2203-000376 C244 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C247 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C248 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C249 Ceramic, Chip, 68 nF, K, 50 V 2203-001145 SF150T...
  • Page 61 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C248 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C249 Ceramic, Chip, 68 nF, K, 50 V 2203-001145 Ref. No. Description SEC Code Remark C250 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 SF150T...
  • Page 62 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C248 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 C249 Ceramic, Chip, 68 nF, K, 50 V 2203-001145 Ref. No. Description SEC Code Remark C250 Ceramic, Chip, 100 pF, K, 50 V 2203-000242 SF150T...
  • Page 63 Ceramic, Chip, 100 pF, J, 50 V 2203-000242 C222 Ceramic, Chip, 100 pF, J, 50 V 2203-000242 C223 Ceramic, Chip, 1 nF, J, 50 V 2203-000457 C225 Ceramic, Chip, 33 nF, K, 50 V 2203-000805 C226 Ceramic, Chip, 10 nF, K, 50 V 2203-000262 7-10 SF150T...

  • Page 64: Jf07-20061A

    Resister, Chip, 0 ohm, J, 1/8 W 2007-000033 P301 CBF, LIU-OPE Harness JF39-40957A P302 CBF, MAIN-OPE Harness JF39-41081A P303 CBF, MAIN-OPE Harness JF39-41081A P304 Connector, Header, Box, 3 P 3711-000906 P305 CBF, OPE-LCD Harness, FFC JF39-41018A Q301 Small Signal, NPN, KSC1623-Y 0501-000342 Display-LCD JF07-20061A SF150T 7-11...

  • Page 65: Jf92-00704B

    SEC Code Remark Assembly, P.EMPTY JF92-00704B PCB, Blank Photo-Reflect Sensor, TLP908(LB) 0604-000246 Harness, P,EMPRY-Main JF39-40960A 7-7. HANDSET PBA Ref. No. Description SEC Code Remark ASSEMBLY, HANDSET PCB JF92-00625A PCB, Blank, Handset Diode, Zener, 1N4736A 0403-000142 Mic, Condensor 3003-000103 7-12 SF150T...

  • Page 66: Jf39-40955A

    Thermal Print Head (TPH) JF47-30069A Earth Wire, Motor-Power, GRN JF39-40963B Harness, Main-CIS JF39-4106A Contact Image Sensor (CIS) 0609-001059 Motor-Step, 24V, 200 pps 3101-000143 Switch-Micro, 16V, 1A, SPST 3405-000166 Cord-Power GA39-10100A Cord-Curl JF39-50054B Cord-Tel Line JF39-50079A Power Supply, AC220 V JF44-10059A SF150T 7-13...
  • Page 67 Samsung Electronics Co.,Ltd. Mar. 1998. Printed in Korea. JF68-60936A...

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