2.14.3 Convergence point adjustment

Adjustment preparation

(1)Select color to adjust. “RECALL’ - Green “0” - Red

“INPUT” - Blue

(2)Use 4, 6, 2, and 5 to move the cursor position (dotted lines).

(3)Use cursor buttons to move the convergence point.

(4)Three adjustment modes are available:

1.(3x3) Press “RECALL’ 5 times

2.(7x5) Press “0” 5 times

3.(13x9) Press “INPUT” 5 times

For touch-up, only the (13x9) mode is necessary.

This will adjust every cross-hatch intersection point on the screen.

(5)Existing DATA in ROM can be read by

pressing the SWAP button 2 times. This

data can be used after replacing a

component (CRT, DY, etc.) Where complete

convergence adjustment is not necessary be careful not to overwrite this data.

DO NOT write cleared RAM data into ROM

or a complete convergence adjustment will

be necessary. Remember to try MAGIC

FOCUS before starting convergence

adjustment to minimize adjustment time.

2.14.4Digital Convergence Remote Control

0POWER

For complete adjustment, start with (3x3) mode. This will adjust center point and eight edge points only,

but will greatly reduce adjustment time. Then use (7x5) mode, and finally (13x9) mode to finish convergence.

If “S” distortion appears between cross-hatch lines

repeat (7x5) mode to change calculation process while adjusting to remove distortion, then return to (13x9) mode to finish touch-up convergence.

Adjustment procedure

(1)Start adjustment at the center of the screen.

(2)Continue adjustment at next closest position.

(3)Adjust center area first, ending with edge sections.

(4)Press INFO button to perform interpolation

operation. This process will take about 15 seconds and no picture will be seen at this time.

(5)After interpolation, check convergence again and repeat (l)-(5) if necessary.

(6)When convergence is acceptable, press MOVE to write data to ROM memory. ROM WRITE? is

displayed to alarm system that ROM will be

overwritten with new data. Press the MOVE button again to write displayed data to ROM.

(7)DATA WRITE TO ROM will take approximately 20 seconds and no picture will be displayed.

(8)Green dots will be displayed when operation is complete.

(9)Press MUTE to return to convergence pattern,

then confirm again convergence is acceptable.

(lO)Press MOVE (ROM WRITE) mode, then press PIP CH to initialize sensor data positions.

Notes: (1) Display only green for easier adjustment and match to jig screen. Press “MENU”,

THEN PRESS “RECALL’.

(2)Perform interpolation and data write to ROM

after green adjustment. Once green has been confirmed to match jig screen, the jig screen can be removed. Do not readjust the

green color after jig screen has been removed. This is now your reference color.

(3)Display green and red only and match red to green.

(4)Display all colors and match blue to green and red. Touch-up red color if necessary.

ROM READ \

PHASE ,

INITIALIZE ’

CALCULATION

\

REMOVE \

COLOR

ADJUSTMENT

CURSOR LEFT

\

CURSOR - DOWN

BLUE - (13x9 Adj.)

ROM WRITE

, RASTER POSITION

TV/CASLUDSS @

VCR 0

0

LST-CH AUDIO0

MUTECH

0 vCROSSHATCH/

I

Cl VIDEO MODE

 

VCR+/

-

ENTER/

CURSOR UP

, CURSOR RIGHT

INPUTSLEEP

-+o(0

- RED (7X5 Adj.)

HITACHI ?oL”Qt

CLUSl3MPm .

33

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Hitachi 60SBX78B, 50SBX78B Convergence point adjustment, Digital Convergence Remote Control, Then Press RECALL’, ROM Write

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