Genius TVB-S201 PRO service manual Service Manual

Models: TVB-S201 PRO

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Contents

TVB-S201 PRO Service ManualBlock Diagram Table of ContentsTesting Procedures INTRODUCTIONChapter 1. INTRODUCTION c. Block Diagrama. Hardware b. Softwarea. Testing flow chart Chapter 2. Testing ProceduresVersion PageA T Check X1 X’TAL signal T Check OSC signal T Service ManualCheck Y301 X’TAL signal T Check U1 CLK signal T END REPLACE X1,U22 REPLACE X2,U5,U1Service Manual b. Check VCC +5VL34 PIN1 VersionService Manual c. Check REG2 Pin 2 SignalREG2.PIN VersionService Manual d. Check REG5 Pin 2 SignalREG5 PIN2 VersionService Manual e. Check REG3 Pin 2 SignalREG3 PIN2 VersionService Manual f. Check REG4 Pin 2 SignalREG4 PIN2 VersionU22 PIN26 g. Check X1,U22 Pin 26 X’TAL SignalVersion PageService Manual h. Check X2 Pin 3,U5 Pin 62,U1 Pin 41 OSC SignalU1 PIN41 U5 PIN62 VersionService Manual i. Check Y301 X’TAL SignalC322 PIN1 VersionService Manual j. Check U1 CLKSAA SignalU1 PIN58 U5 PIN66 VersionService Manual k. Check U1 RAMCLK SignalU1 PIN136 VersionChapter Troubleshooting GuideChapter 4. Removal and Replacement Parts list Chapter 6. ToolsChapter Description