Caple C702G Manual de servicio descargar pdf (Pagina 58)

5-29

7. Focus Adjustment

Signal: No.23 (1600*1200@85Hz) Window Pattern (H:33% V:33%)

No.31(1600*1200@60Hz)Cross Hatch Pattern

“

ヨ

“

Character

No.33(788*1200@75Hz) Cross Hatch Pattern

PC Excel Focus Check

Pattern *(1600*1200@85Hz)

*PC Focus Check

Pattern

Video Board: Millennium ||

Application: Excel (Microsoft)

Font: Arial

Font Size: 8

Character: ##&&%%$$##

※ After maximum horizontal amplitude adjustment, maximum vertical amplitude adjustment, and video

adjustment are completed, perform this focus adjustment.

For steps of 8) , 9), 14), 15), adjust it with signal input through BNC using signal generator VG-819 or

alternate.

※ "CONTRAST" of the user menu and "BRIGHTNESS" are set up.

BNC input ：CONTRAST - PRESET BRIGHTNESS - PRESET

D-SUB input ：CONTRAST - MAX. BRIGHTNESS - PRESET

As for 1)-3), it applies to A version only.

1) Receive Signal 23.

2) Open Menu (S), TAG D

“

CONTRAST PRESET

”

3) Adjust "+", "-" SW so that the

“

window brightness

”

is 90(+0, -1) cd/㎡.

4) Receive Signal 31.

Open Menu (S), TAG2 "H.SIZE", "V.SIZE","H.POSITION", "V.POSITION".

Adjust the picture size and position as listed below by "+", "-" SW.

Picture size H: 396±1 mm

V: 297±1 mm

Picture Position H: | XL

eft

–

ight

| " 1.0 mm

V: | XT

–

ottom

| " 1.0 mm

5) Open Menu (S), TAG1 "V.D.FOCUS".

Adjust the voltage at TP-DF on the SW/HV PWB to obtain the following values.

The waveform of the TP-DF on the SW/HV PWB is observed, and the amplitude of parabolic-wave of

the vertical period is adjusted to 185±5Vp-p with "V.D.FOCUS".

Note: When measuring Vp-p, use a 100:1 probe with capacitance of approx. 2pF.

6) Open Menu (S), TAG1 "H.D.FOCUS", and confirms that data are "210".

* When data are different, a " H.D.FOCUS " will be displayed, adjusted to "210".

7) "EXIT" Switch is pushed, and data is saved in the memory.

8) Receive Signal 31 (1600*1200 (60Hz) cross-hatch pattern (green monochrome)) by BNC input, Menu

(U), TAG1 of "CONTRAST" and "BRIGHTNESS" are set up in " PRESET ".

9) The halo level is down with FOCUS VR F2 of FBT, and adjust so that vertical line may become thin in

the center of the screen.

10) Receive Excel of PC (Focus check pattern (1280*1024@85Hz) by D-SUB input, Hereunder setting is

done in the user menu.

CONRAST：MAX. BRIGHTNESS：PRESET (Menu (U), TAG1)

H.SIZE ：396mm±1mm V.SIZE ：297mm±1mm (Menu (U), TAG2)

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Caple C702G Manual de servicio Pagina 58

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