Table Of Contents; Controls And Connectors Layout - Hitachi CM715ET Service Manual

Table of Contents

1. DISPLAY ALIGNMENT................................................................ 7

A. Time & Display Size ......................................................................................................7

B. Picture Position..............................................................................................................7

C. Linearity .........................................................................................................................7

D. Geometry Distoriton (All Preset Modes) ......................................................................8

E. Alignment Procedure .....................................................................................................8

F. White balance alignment ..............................................................................................9

G. Focus Adjustment .........................................................................................................10

H. Convergence Adjustment ..............................................................................................10

I. Presetting Modes Adjustment .......................................................................................10

J. Power Adjustment .........................................................................................................11

2. CONTROLS AND CONNECTORS LAYOUT .............................. 1 5

A. Main PCB ......................................................................................................................15

B. Video PCB .....................................................................................................................16

C. Pin Assignment .............................................................................................................17

3. Power Supply Portion ................................................................ 18

4. OPERATION THEORY ................................................................ 19

A. Power Supply ................................................................................................................19

B. Deflection.......................................................................................................................19

C. Video .............................................................................................................................19

D. Digital Controllor............................................................................................................19

E. Function Block Diagram ................................................................................................20

F. Power Supply.................................................................................................................21

G. Deflection ......................................................................................................................22

H. Flyback Transformer......................................................................................................24

I. Video AMP Circuit..........................................................................................................26

5. TROUBLESHOOTING ................................................................. 22

A. Power Supply Check .....................................................................................................28

B. Monitor Check Flow Chart .............................................................................................29

Table of Contents