Samsung SF3000 Service Manual
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Samsung SF3000, Electrical Parts Lists 9-8 Samsung Electronics Ref. No. Description SEC. Code Remark Q7 TR-DARLINGTON, TIP127, PNP, 2 W 0503-000134 Q8 TR-SMALL SIGNAL, MMTB2222A, NPN, 225 mW 0501-000457 Q9 TR-SMALL SIGNAL, MMTB2222A, NPN, 225 mW 0501-000457 - Micellanceous - BT1 BATTERY-LI, 3 V, 220 mAH 4301-000108 L1 CORE-FERRITE BEAD, AB, 3.2 x 2.5 x 1.3 mm 3301-000325 L3 CORE-FERRITE BEAD, AB, 3.2 x 2.5 x 1.3 mm 3301-000325 L5 CORE-FERRITE BEAD, AB, 3.2 x 2.5 x 1.3 mm 3301-000325 L6 CORE-FERRITE BEAD, AB, 3.2 x 2.5 x 1.3 mm 3301-000325 L7 CORE-FERRITE BEAD, AB, 3.2 x 2.5 x 1.3 mm 3301-00
Samsung SF3000, 6-8 Samsung Electronics Disassembly and Reassembly 6-9-1. Buzzer 1. Before disassembling the buzzer, you should remove: Ð Rear Cover (see page 6-2) Ð Top Cover (see page 6-3) 2. Unplug the connector from the LIU board, and remove the buzzer. 6-9-2. Hook Board 1. Before disassembling the board, you should remove: Ð Rear Cover (see page 6-2) Ð Top Cover (see page 6-3) 2. Unplug the connector from the LIU board. 3. Remove the screw, then remove the board. 6-9. Buzzer and Hook Board
Samsung SF3000, Electrical Parts Lists 9-10 Samsung Electronics Ref. No. Description SEC. Code Remark C33 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C34 C-CERMIC, CHIP, 1 nF, 10 %, 50 V 2003-000444 C35 C-CERMIC, CHIP, 68 nF, 10 %, 25 V 2003-001142 C36 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C37 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C38 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C39 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C40 C-CERMIC, CHIP, 1 nF, 10 %, 50 V 2003-000444 C41 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C42 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C43 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C44 C-CERMIC, CHIP, 100 nF, 79.8, 5
Samsung SF3000, 3. CIRCUIT DIAGRAM - SF3000 LIU PBA Samsung Electronics 3-1 (*) (*) 3K 270 27 1/4W 180 10NF 10NF 220 3.6K 6.8K 5.6NF 27K (*) (OTHERS) LINE_OUT (33:66) MHS_OUT (Only U.K) (20PPS) (80:80) (10PPS) RING_OUT (*) (*) (*) (*) (*) STATES (*) (*) (*) (*) (*) (45~75mA) NOTE: (*) is unused. RING_IN (*) 330K (*) (*) (*) (*) (*) (*) (*) (*) (20~50mA) (*) (*) (*) (*) JMP8 (*) (*) (*) (*) (*) (*) 0 18K 16V 16V 5.1K 0.47uF 470K 0 (OTHERS) MHS_IN (OTHERS) (*) (*) (*) (*) (*) 0.01uF (*) (*) (*) (*) (*) (*) (80:150) EXT (Only U.K) (*) (*) (*) (OTHERS) (40:60) (GERMANY) (NONE) LINE_IN ON-HOOK (*) (*) (*) (*) (Only U.K) 1/4W REMOTE RECALL R3 R2 R1 C3 C2 RX
Samsung SF3000, Samsung Electronics 6-5 Disassembly and Reassembly 6-6. ADF Roller and Contact Image Sensor (CIS) 1. Before disassembling the roller and CIS, you should remove: Ð Rear Cover (see page 6-2) Ð Top Cover (see page 6-3) 2. Remove the ADF roller. When you assemble the roller, make sure it is properly hooked. Note : Clean the surface of the roller with ethyl alcohol. After wiping it, you must dry it completely. 3. Unplug the CIS harness, then remove the CIS assÕy. To remove the CIS assÕy, turn it up and slide the two legs far left, and pull it up. 4. Remove the CIS from the bracket. Note: Check the glassy surf
Samsung SF3000, Electrical Parts Lists 9-12 Samsung Electronics Ref. No. Description SEC. Code Remark C112 C-TA, CHIP, 1 µF, 20 %, 10 V 2404-000291 C113 C-TA, CHIP, 470 nF, 20 %, 16 V 2404-000312 C114 C-TA, CHIP, 10 µF, 20 %, 6.3 V 2404-000141 C115 C-TA, CHIP, 10 µF, 20 %, 6.3 V 2404-000141 C116 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C117 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C118 C-AL, 100 µF, 20 %, 16 V 2401-000042 C119 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C120 C-CERMIC, CHIP, 15 pF, 5 %, 50 V 2003-001517 C122 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C123 C-CERMIC, CHIP, 100 nF, 79.8, 50 V 2003-000192 C124
Samsung SF3000, Pin No. KS32C6500 ATLAS used pin Pin Description 44 PERROR NOT-USED 45 BUSY NOT-USED 46 _ACK NOT-USED 47 SELECT NOT-USED 48 _INT NOT-USED 49 _SLCTIN NOT-USED 50 _AUTOFD NOT-USED 51 _STROBE NOT-USED 52 GND3 GND3 53 PPD7 NOT-USED 54 PPD6 NOT-USED 55 PPD5 NOT-USED 56 PPD4 NOT-USED 57 PPD3 NOT-USED 58 PPD2 NOT-USED 59 PPD1 NOT-USED 60 PPD0 NOT-USED 61 245DIR NOT-USED 62 VDD2 VDD2 63 D0 D0 64 D1 D1 65 D2 D2 66 D3 D3 67 D4 D4 69 D5 D5 69 D6 D6 70 D7 D7 71 GND4 GND4 72 D8 D8 73 D9 D9 74 D10 D10 75 D11 D11 76 D12 D12 77 D13 D13 78 D14 D14 79 D15 D15 80 VDD3 VDD3 81 A0 A0
Samsung SF3000, Samsung Electronics 7-7 Troubleshooting 7-4. Document Not Loading Y N Y N N OK NG OK NG START Insert Document P7-1, 2, 3, 4 Motor Strobe U2-105,106, 107,108 Motor Strobe Replace D-DET SENSOR Replace Motor END Replace U2 See Section 7-2 U301-2 “H” ? Check 24V P7-5, 6 ?
Samsung SF3000, Samsung Electronics 9-5 Electrical Parts Lists Ref. No. Description SEC. Code Remark R7 R-CHIP, 150 Kohm, 5 %, 1/10 W 2007-000395 R8 R-CHIP, 118 Kohm, 1 %, 1/10 W 2007-000325 R10 R-CHIP, 620 ohm, 5 %, 1/10 W 2007-001092 R11 R-CHIP, 82 Kohm, 5 %, 1/10 W 2007-001208 R12 R-CHIP, 150 Kohm, 5 %, 1/10 W 2007-000395 R13 R-CHIP, 47 Kohm, 5 %, 1/10 W 2007-000941 R14 R-CHIP, 3 Kohm, 5 %, 1/10 W 2007-000844 R15 R-CHIP, 47 Kohm, 5 %, 1/10 W 2007-000941 R16 R-CHIP, 300 ohm, 5 %, 1/10 W 2007-000728 R20 R-CHIP, 200 ohm, 5 %, 1/10 W 2007-000026 R21 R-CHIP, 200 ohm, 5 %, 1/10 W 2007-000026 R22 R-CHIP, 3 Kohm, 5 %, 1/10 W 2007-000844 R23 R-CHIP, 0 ohm,
Samsung SF3000, 1-2 Samsung Electronics Precautions 1-2. ESD Precautions Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called ÒElectrostatically Sensitive (ES) DevicesÓ, or ESDs. Examples of typical ESDs are: integrated circuits, some field effect transistors, and semiconductor ÒchipÓ components. The techniques outlined below should be followed to help reduce the incidence of component damage caused by static electricity. CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 1. Immediately before handling a semiconductor co
5-16 Samsung Electronics Circuit Description 5-7. LIU PBA The LIU (Line Interface Unit) interfaces the MODEM and telephone to the telephone line. The FAX and telephone portions of the LIU are active with machine power on. When machine power is off, only the telephone circuity operates, powered by telephone line voltage. The FAX portion of LIU consists of the interface between MODEM and telep
6-13-1. Cartridge Carrier Home Assembly 1. Before disassembling the cartridge carrier home, you should remove: Ð Dummy ASF (see page 6-2) Ð Rear Cover (see page 6-2) Ð Top Cover (see page 6-3) Ð Printer Unit (see page 6-11) 2. Remove the screw securing the cartridge carrier home, and take it out. 6-13-2. Cartridge Carrier Assembly 1. Before disassembli
5-12 Samsung Electronics Circuit Description 5-5-2. Image Sensor This shading wave is formed by scanning the white roller prior to a document. The slice level is determined by the shading wave, and compensates for shading distortion according to the CIS characteristics. The wave format from the CIS is converted into a 6 bit digital value in the SDIP4 image processor, and then
Samsung SF3000, 5-4 Samsung Electronics Circuit Description 5-2-7. Reset To initialize the chipÕs internal logic, the reset input (/RESET) must be held to 0 Volt for at least 22 CPU clocks. During this time, Vdd must be greater than 3 volt. The watchdog timer can also invoke a system reset. [+5V Power Monitoring] If 5 Volt power to KIA7045P drops to between 4.65V and 4.35V (typically 4.5V), power failure will be indicated and the output of KIA7045P will go ÔlowÕ (GND5). This causes the KS16118 to become active (ÔlowÕ=reset). The KS32C6500 reset causes the /RESET terminal to be reset. The output termi
Samsung SF3000, Electrical Parts Lists 9-14 Samsung Electronics Ref. No. Description SEC. Code Remark R6 R-CHIP, 86.6 Kohm, 1 %, 1/10 W 2007-001220 R7 R-CHIP, 150 Kohm, 5 %, 1/10 W 2007-000395 R8 R-CHIP, 118 Kohm, 1 %, 1/10 W 2007-000325 R9 R-CHIP, 22 Kohm, 5 %, 1/10 W 2007-000586 R10 R-CHIP, 620 ohm, 5 %, 1/10 W 2007-001092 R11 R-CHIP, 82 Kohm, 5 %, 1/10 W 2007-001208 R12 R-CHIP, 150 Kohm, 5 %, 1/10 W 2007-000395 R13 R-CHIP, 47 Kohm, 5 %, 1/10 W 2007-000941 R14 R-CHIP, 3 Kohm, 5 %, 1/10 W 2007-000844 R15 R-CHIP, 47 Kohm, 5 %, 1/10 W 2007-000
Samsung SF3000, 7-4 Samsung Electronics Troubleshooting 7-2-3. No +24 V N Y N Y Y N Y N START END output shorted ? Remove short DC 24V Check ED3 ? Check CON1 Check PCB Pattern Replace ED3 Replace D4 Check L1 Input voltage D4 Open or Shorted ?
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