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Genius TVB-S201 PRO f. Check REG4 Pin 2 Signal, Service Manual, REG4 PIN2, Version, Page

Models: TVB-S201 PRO

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Service Manual

f. Check REG4 Pin 2 Signal

REG4 PIN2

Version 1.0

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Genius TVB-S201 PRO service manual f. Check REG4 Pin 2 Signal, Service Manual, REG4 PIN2, Version, Page

Contents

Service Manual TVB-S201 PROTesting Procedures Table of ContentsBlock Diagram INTRODUCTIONa. Hardware c. Block DiagramChapter 1. INTRODUCTION b. SoftwareVersion Chapter 2. Testing Proceduresa. Testing flow chart PageCheck Y301 X’TAL signal T Check U1 CLK signal T END Service ManualA T Check X1 X’TAL signal T Check OSC signal T REPLACE X1,U22 REPLACE X2,U5,U1L34 PIN1 b. Check VCC +5VService Manual VersionREG2.PIN c. Check REG2 Pin 2 SignalService Manual VersionREG5 PIN2 d. Check REG5 Pin 2 SignalService Manual VersionREG3 PIN2 e. Check REG3 Pin 2 SignalService Manual VersionREG4 PIN2 f. Check REG4 Pin 2 SignalService Manual VersionVersion g. Check X1,U22 Pin 26 X’TAL SignalU22 PIN26 PageU1 PIN41 U5 PIN62 h. Check X2 Pin 3,U5 Pin 62,U1 Pin 41 OSC SignalService Manual VersionC322 PIN1 i. Check Y301 X’TAL SignalService Manual VersionU1 PIN58 U5 PIN66 j. Check U1 CLKSAA SignalService Manual VersionU1 PIN136 k. Check U1 RAMCLK SignalService Manual VersionTroubleshooting Guide ChapterChapter 4. Removal and Replacement Chapter Chapter 6. ToolsParts list Description