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COLOR MONITOR
DP14LS DP14LT DP15LS DP15LT

SERVICE
COLOR MONITOR

Manual
CONTENTS
1. Precautions 2. Product Specifications 3. Operating Instructions 4. Disassembly & Reassembly 5. Alignment & Adjustments 6. Troubleshooting 7. Exploded View & Parts List 8. Electrical Parts List 9. Block Diagram 10. Wiring Diagram 11 Schematic Diagrams

11 Schematic Diagrams
11-1 Power Part Schematic Diagram

MULTI-MEDIA

11-1

DP14L*/DP15L*

11 Schematic Diagrams
1 410 V (IC601, #1) 2 8.40 V (IC601, #5)

CH1 = 410 V

CH1 RMS = 332.8 V

CH1 = 8.40 V

CH1 RMS = 4.680 V

DP14L*/DP15L*

11-2

11 Schematic Diagrams

11-2 Micom Part Schematic Diagram

11-3

DP14L*/DP15L*

11 Schematic Diagrams
14 5.92 V (IC201, #16, 17) 20 4.92 V (IC201, #14) 21 5.52 V (IC201, Keyin/out) 23 5.16 V (IC202, #3)

CH1 P-P = 5.92 V

CH1 RMS = 3.812 V

CH1 P-P = 4.92 V

CH1 RMS = 2.912 V

CH1 P-P = 5.52 V

CH1 RMS = 3.696 V

CH1 P-P = 5.16 V

CH1 RMS = 3.570 V

24 5.28 V (IC201, #31)

25 4.96 V (IC201, #30)

CH1 P-P = 5.28 V

CH1 RMS = 1.218 V

CH1 P-P = 4.96 V

CH1 RMS = 350 mV

DP14L*/DP15L*

11-4

11 Schematic Diagrams

11-3 HOR./VER. Part Schematic Diagram

TILT OPTION

11-5

DP14L*/DP15L*

11 Schematic Diagrams
3 5.12 V (IC401, #6) 4 4.60 V (IC401, #26) 8 1.12 V (IC401, #24) 9 3.16 V (IC401, #23)

CH1 P-P = 5.12 V

CH1 RMS = 4.256V

CH1 P-P = 4.60 V

CH1 RMS = 3.054 V

CH1 P-P = 1.12 V

CH1 RMS = 3.094 V

CH1 P-P = 3.16 V

CH1 RMS = 3.686 V

10 50.8 V (IC301, #9)

12 14.0 V (IC401, #28)

26 5.48 V (IC401, #1)

27 4.48 V (IC401, #2)

CH1 P-P = 50.8 V

CH1 RMS = 7.04 V

CH1 P-P = 14.0 V

CH1 RMS = 7.34 V

CH1 P-P = 5.48 V

CH1 RMS = 1.362 V

CH1 P-P = 4.48 V

CH1 RMS = 284 mV

28 2.76 V (IC401, #12)

29 736 mV (IC401, #16)

32 158 V (CN105, G1)

CH1 P-P = 2.76 V

CH1 RMS = 842 mV

CH1 P-P = 736 mV CH1 RMS = 233.6 mV

CH1 P-P = 158 V

CH1 RMS = 151.1 V

DP14L*/DP15L*

11-6

11 Schematic Diagrams

11-4 H_OUT Part Schematic Diagram

15" ONLY

11-7

DP14L*/DP15L*

11 Schematic Diagrams
5 28.4 V (Q501, Collector) 6 10.40 V (Q402, Base) 7 1.176 kV (Q402, Collector) 11 38.4 V (T501, #4)

CH1 P-P = 28.4 V

CH1 RMS = 15.55 V

CH1 P-P = 10.40 V CH1 RMS = 1.664 V

CH1 P-P = 1.176 kV CH1 RMS = 349.2 V

CH1 P-P = 38.4 V

CH1 RMS = 10.38 V

13 136 V (Q504, Drain)

30 5.8 V (Q412, Collector)

31 5.36 V (Q510, Collector)

CH1 P-P = 136 V

CH1 RMS = 78.3 V

CH1 P-P = 5.8 V

CH1 RMS = 20.84 V

CH1 P-P = 5.36 V

CH1 RMS = 4.210 V

DP14L*/DP15L*

11-8

11 Schematic Diagrams

11-5 Video Part Schematic Diagram

11-9

DP14L*/DP15L*

11 Schematic Diagrams
15 3.16 V (IC101, #21) 16 43.2 V (IC103, #3) 17 35.2 V (SK103, G1) 18 5.60 V (IC101, #12)

CH1 P-P = 3.16 V

CH1 RMS = 1.008 V

CH1 P-P = 43.2 V

CH1 RMS = 63.56 V

CH1 P-P = 35.2 V

CH1 RMS = 80.84 V

CH1 P-P = 5.60 V

CH1 RMS = 4.908 V

19 46.4 V (SK103, G)

22 1.016 V (CN202_2, #2,4,6)

CH1 P-P = 46.4 V

CH1 RMS = 38.16 V

CH1 P-P = 1.016 V CH1 RMS = 174.4 mV

DP14L*/DP15L*

11-10

11 Schematic Diagrams

Memo

11-11

DP14L*/DP15L*

Samsung Electronics Co., Ltd. April 1999 Printed in Korea Code No.: BH68-00128A