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September 2006
(ver v)
TOPICS
SECTION (1) POWER SUPPLY DIAGRAMS:
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Generic Power Supply Circuits Explained ---------------------------------------------------------- 01-01
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Deflection Side Shutdown Circuit Diagram Explained ------------------------------------------- 01-04
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Deflection Side Shutdown Circuit Diagram Explained ------------------------------------------- 01-05
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PROT_OVP and PROT_OCP Shut Down Circuit Diagram Explanation -------------------- 01-06
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PROT_OVP and PROT_OCP Shut Down Circuit Diagram ----------------------------------- 01-07
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Deflection Power Supply Shutdown Output Circuit Diagram Explained -------------------- 01-08
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Deflection Power Supply Shutdown Output Circuit Diagram --------------------------------- 01-09
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Signal Power Supply Shutdown Circuit Diagram Explained ----------------------------------- 01-10
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Signal Power Supply Shutdown Circuit Diagram ------------------------------------------------ 01-12
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Stand By +5V Power Supply Generation Circuit Diagram and Explanation ----------------- 01-13
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Power Supply Relay Control Circuit Diagram Explained --------------------------------------- 01-14
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Power Supply Relay Control Circuit Diagram ---------------------------------------------------- 01-15
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SW +115V Hi Voltage Regulation Circuit Diagram Explained --------------------------------- 01-17
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SW +115V Hi Voltage Regulation Circuit Diagram ---------------------------------------------- 01-18
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IP01 Voltages and Waveforms ---------------------------------------------------------------------- 01-18A
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5.7V Volt Regulation Circuit Diagram Explained ------------------------------------------------- 01-19
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5.7V Volt Regulation Circuit Diagram -------------------------------------------------------------- 01-20
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LEDs (Visual Trouble Shooting) Deflection Power Supply Circuit Diagram Explained ----- 01-21
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LEDs (Visual Trouble Shooting) Deflection Power Supply Circuit Diagram ------------------ 01-22
SECTION (2) MICROPROCESSOR INFORMATION:
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Microprocessor DATA COMMUNICATION Explanation ------------------------------------- 02-01
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Microprocessor DATA COMMUNICATION
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Audio Video Mute Circuit Diagram Explanation -------------------------------------------------- 02-06
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Audio Video Mute Circuit Diagram ------------------------------------------------------------------ 02-09
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Microprocessor NTSC Sync Input Circuit Diagram Explained --------------------------------- 02-10
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Microprocessor NTSC Sync Input Circuit Diagram
SECTION (3) VIDEO CIRCUIT INFORMATION:
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Video Signal Selection Circuit Diagram Explained ----------------------------------------------- 03-01
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Video Signal Selection Circuit Diagram ------------------------------------------------------------ 03-03
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Composite Video Signal Path 1H NTSC Circuit Diagram Explanation ----------------------- 03-04
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Composite Video Signal Path 1H NTSC Circuit Diagram -------------------------------------- 03-06
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RGB Processor (Rainforest) Circuit Explanation ------------------------------------------------- 03-07
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RGB Processor (Rainforest) Circuit Explanation ------------------------------------------------- 03-09
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ABL Circuit Diagram Explanation -------------------------------------------------------------------- 03-10
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ABL Circuit Diagram ----------------------------------------------------------------------------------- 03-11
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H and V Sync to the Rainforest IC Circuit Diagram Explanation ----------------------------- 03-12
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H and V Sync to the Rainforest IC Circuit Diagram --------------------------------------------- 03-14
Continued on Next Page
DP-4X TABLE OF CONTENTS
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Circuit Diagram
------------------------------ 02-11
Circuit Diagram
Table of Contents Page 1 of 2
Materials prepared by
Alvie Rodgers C.E.T.
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