Samsung SyncMaster 700P, SyncMaster 700P Plus, SyncMaster 900P free download

File name Samsung SyncMaster 700P & 900P (Chassis CSH7839L & CSH9839) (Schematic).pdf

COLOR MONITOR CSH7839L (SyncMaster 700p CSH9839L (SyncMaster 900p) ) SERVICE COLOR MONITOR Manual CONTENTS 1. Precautions 2. Reference Information 3. Product Specifications 4. Operating Instructions 5. Disassembly & Reassembly 6. Alignment & Adjustments 7. Troubleshooting 8. Exploded View & Parts List 9. Electrical Parts List 10. Block Diagram 11. PCB Diagrams 12. Wiring Diagram 13. Schematic Diagrams 13 Schematic Diagrams 13-1 Power Part Schematic Diagram 13-1 CSH7839L/CSH9839L 13 Schematic Diagrams 1 544 V (IC601, #1) 2 56.4 V (T601, #7) CH1 P-P = 544 V CH1 RMS = 332.4 V CH1 P-P = 56.4 V CH1 RMS = 9.18 V CSH7839L/CSH9839L 13-2 13 Schematic Diagrams 13-2 Micom & H/V Process Part Schematic Diagram 13-3 CSH7839L/CSH9839L 13 Schematic Diagrams Table 13-1. IC201 (ST72E75_3) pin # pin # MODES 31 kHz 0.239 0.210 1.875 2.111 1.833 69 kHz 96 kHz MODES 31 kHz 3.65 GND 3.96 5.05 Low High ­ ­ ­ Low 2.258 2.233 High High 69 kHz 3.39 GND 0.337 5.05 Low High ­ ­ ­ Low 2.258 2.233 High High 96 kHz 3.36 GND 4.17 5.05 Low High ­ ­ ­ Low 2.258 2.233 High High 3 3.42 V (IC201, #33) 4 3.16 V (IC201, #32) 5 12.08 V (Q253, Base) 6 2.20 V (IC251, #15) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 0.241 0.238 0.212 0.210 1.876 1.871 3.88 3.34 1.835 1.830 ­ ­ 0.239 0.236 0.237 0.238 3.73 3.72 GND GND GND 5.05 5.05 5.05 up: 0.535, down: 1.478, left: 2.478, rignt: 3.45 pos: 0.539, pin: 1.476, menu: 2.476 3.24 ~ 5.02 3.24 ~ 5.02 3.24 ~ 5.02 0 ~ 5.06 0 ~ 5.06 0 ~ 5.06 4.5 0.02 4.51 0.172 0.122 0.112 Low Low Low 4.39 4.46 4.64 D-Sub : High, BNC : Low Low Low Low 0.378 0.604 0.376 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 CH1 P-P = 3.42 V CH1 RMS = 2.500 V CH1 P-P = 3.16 V CH1 RMS = 2.560 V CH1 P-P = 12.08 V CH1 RMS = 7.396 V CH1 P-P = 2.20 V CH1 RMS = 2.776 V 5.05 GND 5.05 GND 5.05 GND Unit: Vrms Table 13-2. IC251 (TDA9110) pin # pin # MODES 31 kHz 0.610 Low 0 ~ 1.127 3.28 3.121 6.35 3.96 1.515 1.517 3.27 GND 0.073 7.97 8.01 2.81 3.23 69 kHz 0.382 Low 0 ~ 1.127 3.28 2.469 6.35 3.96 3.32 3.32 3.18 GND 0.096 7.97 7.95 2.91 3.21 96 kHz 0.384 Low 0 ~ 1.127 3.28 1.96 6.35 3.96 4.69 4.7 3.27 GND 0.131 7.96 7.91 2.90 3.20 MODES 31 kHz GND 11.9 GND 5.42 8.07 3.52 3.38 2.92 Low 5.28 GND 3.18 11.92 4.94 4.94 5.05 69 kHz GND 11.9 GND 5.22 8.07 3.52 3.44 2.86 Low 5.51 GND 1.85 11.92 4.94 4.94 5.05 96 kHz GND 11.9 GND 5.18 8.07 3.51 3.40 2.81 Low 5.43 GND 2.77 11.92 4.94 4.94 5.05 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Unit: Vrms CSH7839L/CSH9839L 13-4 13 Schematic Diagrams 13-3 Main Part Schematic Diagram 13-5 CSH7839L/CSH9839L 13 Schematic Diagrams Table 13-3. IC401 (KA3843B) pin # pin # MODES 31 kHz 3.027 2.493 0.709 1.535 0 2.070 11.73 4.96 69 kHz 2.621 2.494 0.439 1.472 0 3.71 11.74 4.96 96 kHz 2.57 2.495 0.278 1.548 0 5.33 11.74 4.96 Table 13-5. IC501 (TL494CN) MODES 31 kHz 4.96 4.96 1.515 0 0.656 3.63 0 11.88 2.634 2.634 11.89 11.89 0 4.96 11.88 4.96 69 kHz 4.95