Table Of Contents - Hitachi CM625ET Service Manual

Table of Contents

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

A. Times & Display Size ..................................................................................... 1

B. Picture Position .............................................................................................. 1

C. Linearity ......................................................................................................... 1

D. Geometry Distortion (All Preset Mode)........................................................... 1

E. Alignment Procedure ..................................................................................... 2

G. Focus Adjustment.......................................................................................... 2

H. Convergence Adjustment............................................................................... 3

I. Presetting Modes Adjustment ........................................................................ 3

J. Power Adjustment .......................................................................................... 4

2. CONTROL AND CONNECT LAYOUT........................................ 7

A. Main PCB....................................................................................................... 7

b. Video PCB...................................................................................................... 8

C. Pin Assignment.............................................................................................. 9

3. POWER SUPPLY PORTION ...................................................... 10

4. OPERATION THEOREM ............................................................ 11

A. Introduction .................................................................................................... 11

B. Power Supply................................................................................................. 11

C. Deflection....................................................................................................... 11

D. Video ............................................................................................................. 11

E. Digital Controller ............................................................................................ 11

F. Function Block Diagram ................................................................................. 12

5. POWER SUPPLY ....................................................................... 13

A. Rectifier and Filter CKT.................................................................................. 13

B. Flyback and PWM CKT.................................................................................. 13

C. Snubber CKT ................................................................................................. 13

D. Synchronized CKT ......................................................................................... 13

E. Power Saving CKT......................................................................................... 13

F. Degauss CKT................................................................................................. 13

G. Overload Protection CKT............................................................................... 13

H. Power Factor Correction CKT (Optional) ....................................................... 14

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Table of Contents