Samsung SF-830 Service Manual Page 34
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Disassembly and Reassembly
Samsung Electronics
3-21
* Main PBA
1. Remove the two screws and take out the Shield
Main Lower.
2. Remove the five screws and take out the Main
PBA from the Shield Main Lower.
3. Remove the one screw and unlatch the LIU PBA
securing the Main PBA and remove it.
Shield Main Lower
Main PBA
LIU PBA
Main PBA
- Digital Laser MFP 1
- ELECTRONICS 2
- This manual is stated and 3
- Contents 4
- Samsung Electronics2 5
- 1. Precautions 7
- 1-2 ESD Precautions 8
- 2. Specification 10
- 2-3 Facsimile Specification 11
- 2-4 Scanner Specification 12
- 2-5 Copy Specification 12
- 2-6 Telephone Specification 13
- 2-7 Consumables 13
- Disassembly and Reassembly 14
- Cover Rear Ass’y 15
- 3-4 Scanner Ass'y 16
- 3-5 OPE Ass'y 17
- Link Tray 18
- Cover Gear 18
- ADF Upper Ass’y 18
- Guide Lower Ass’y 19
- Housing Upper ADF 19
- FFC Cable 20
- Exit Roller 20
- Cover Switch 21
- 3-9 Side Cover Ass'y 22
- * MP-Tray 22
- Deplex Ass’y 23
- Halogen Lamp 24
- Thermostat 24
- Heat Roller 24
- 3-11 Exit Ass'y 25
- Cover Paper Exit Ass’y 26
- 3-13 Drive Ass'y 27
- 3-14 SMPS 28
- 3-15 LSU 29
- 3-16 Main Frame Ass'y 30
- * Cover Exit Rear 31
- * MP Ass'y 32
- * Feed Ass'y 33
- * Pick Up Ass'y 33
- * Main PBA 34
- Main PBA 34
- 3-17 SCF Ass’y 35
- Motor Ass’y 36
- 8P Harness 36
- 4-1 Preventative Maintenance 38
- 4-2 Error Messages 39
- Samsung Electronics 4-3 40
- 4-3 User Mode 41
- 4-4 Tech Mode 42
- SETUP : #, 1, 9, 3, 4) 43
- 4-4-3 SYSTEM DATA 44
- 4-4-4 MEMORY CLEAR 44
- ADJUST SHADING 45
- Troubleshooting 46
- < SYSTEM DATA LIST > 46
- 4-4-6 REPORT/HELP 48
- 4-4-7 Firmware Upgrade 49
- 4-5 Identify Sale Date 50
- 4-6-2 Diagnostic 51
- 4-6-3 ENGINE PRINT 51
- 4-7-1 Print Quality 52
- Digital Printer 53
- No Image 55
- All Black 57
- Vertical White Line (Band) 58
- Dark Image 59
- Background 60
- Samsung Electronics 4-24 61
- Black Spot 62
- Horizontal Band 63
- Irregular Density 64
- White Spot 65
- Poor Fusing Grade 67
- 4-7-2 Malfunction 68
- Fuser Error 71
- Paper Jam (Mis-Feeding) 72
- Paper Jam(Jam 1) 73
- Engine Error 74
- 4-7-4-3 Abnormal Printing 80
- 4-7-4-4 SPOOL Error 80
- Samsung Electronics 5-1 81
- Main Parts List 84
- Main Parts List (Cont.) 85
- Samsung Electronics 5-5 86
- Scanner Ass’y Parts List 87
- Samsung Electronics 5-7 88
- ADF Upper Ass’y Parts List 89
- Samsung Electronics 5-9 90
- Scan Lower Ass’y Parts List 91
- Samsung Electronics 5-11 92
- OPE Ass’y Parts List 94
- Side Cover Ass’y Parts List 96
- Cassette Ass’y Parts List 98
- Exit Ass’y Parts List 100
- Samsung Electronics 101
- Feeder Ass’y Parts List 102
- MP Ass’y Parts List 104
- Base Frame Parts List 105
- Pick-up Ass’y Parts List 106
- Drive Ass’y Parts List 108
- Main Frame Ass’y Parts List 110
- Fuser Ass’y Parts List 112
- SCF Ass’y Parts List 114
- NO SEC CODE DESCRIPTION SPEC 115
- Samsung Electronics 5-35 116
- 6. Block Diagrams 118
- 7. Connection Diagrams 119
- 8. Dual Line Option 120
- 8-4-2 Dual Line Board error 122
- 8-4-3 Modem interface error 123
- 8-4-4 LIU interface error 124
- Repair ManualRepair Manual 126
- Copyright (c) 2002. 02 128
- 1. Block Diagram 129
- 2. Connection Diagram 130
- <Block Diagram> 131
- 3-2 Circuit Operation 132
- 3-2-1 CLOCK 132
- 3-2-2 POWER ON/OFF RESET 132
- 3-2-3 RISC MICROPROCESSOR 133
- CIRCUIT DESCRIPTION 134
- Repair Manual 134
- 3-2-5 DRAM CONTROL 142
- 3-2-5-3 EDO DRAM read timing 145
- 3-2-9-1. GENERAL 147
- 3-2-9-2. MODEM (U39) 147
- 3-2-10-1 Block Diagram 148
- 3-2-10-2 Specifications 149
- < DC Characteristics > 150
- 3-3 Scanner 153
- 3-3-1 SUMMARY 153
- 3-3-2 KEY FEATURES 154
- D OCU MENT IMAGE 155
- <Block diagram of CIP3> 156
- 3-4 HOST INTERFACE: 157
- 3-4-1. HOST INTERFACE 157
- 3-4-2-1 Features 159
- 3-5 Engine Controller 161
- 3-5-2. PAPER SENSING CIRCUIT 161
- 3-5-3. LSU CIRCUIT 161
- 3-5-7-1. Summary 162
- 3-6 OPE PBA 168
- 3-6-1 SUMMARY 168
- <OPE BLOCK DIAGRAM> 168
- 3-7 LIU PBA 169
- 3-7-1. SUMMARY 169
- 3-7-2. DC MATCHING PART 169
- 3-7-3. AC MATCHING PART 169
- 3-7-4. DIALER PART 169
- 3-7-5. RING DETECTION PART 170
- 3-8-1 SMPS SPECIFICATIONS 170
- 3-8-2 AC INPUT STAGE 171
- <Inductive Circuit> 172
- 4. Schematic Diagrams 173
- Main Circuit Diagram (2/17) 174
- Main Circuit Diagram (3/17) 175
- Main Circuit Diagram (4/17) 176
- Main Circuit Diagram (5/17) 177
- Main Circuit Diagram (6/17) 178
- Main Circuit Diagram (7/17) 179
- Main Circuit Diagram (8/17) 180
- Main Circuit Diagram (9/17) 181
- Main Circuit Diagram (10/17) 182
- Main Circuit Diagram (11/17) 183
- Main Circuit Diagram (12/17) 184
- Main Circuit Diagram (13/17) 185
- Main Circuit Diagram (14/17) 186
- Main Circuit Diagram (15/17) 187
- Main Circuit Diagram (16/17) 188
- Main Circuit Diagram (17/17) 189
- ARS1-3 : OPTION 190
- *: for EU PTT 190
- 4-3 OPE Circuit Diagram 191
- 4-4 Scan Circuit Diagram 192
- 4-5 Sensor Circuit Diagram 193
- DOCUMENT DETECT B D 193
- 4-6 HVPS Circuit Diagram(1/2) 194
- HVPS Circuit Diagram(2/2) 195
- SCHEMATIC DIAGRAMS 196
- SMPS Circuit Diagram(220V) 197
- 4-8 PTL Circuit Diagram 198
- 4-10 Toner_Rx Circuit Diagram 199
- 4-11 Toner_Tx Circuit Diagram 200
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