JVC HD-52Z585 Service Manual page 29

4.7 ADJUSTMENT PROCEDURE
4.7.1 OPTICAL BLOCK / DRIVE CIRCUIT
Measuring
Item
instrument
LENS FOCUS Hexagon
adjustment wrench
FOCUS
knob
DRIVE Remote
CONVERGENCE control unit
adjustment
(Adjust)
(R)
(Fixed)
(G)
(Adjust)
(B)
Cross pattern
Adjustment
COLOR mode
SLEEP TIMER :
R / B data reset /
SERVICE MENU setting
VOL - :
R / B move to Left side
by 1 pixel
MENU :
(Return to normal MENU)
Test point Adjustment part
FOCUS knob
[PROJECTION LENS]
Projection lens
Focus lock screw
(Fixed)
(Adjust) (Adjust)
(R) (G)(B)
R
RGB BOX PATTERN
[REMOTE CONTROL UNIT KEY FUNCTION]
(1) Take out the FRONT PANEL, SPEAKER GRILL
(L / R), CENTER PANEL and cushions.
(2) Display the MENU screen.
(3) Loosen the FOCUS LOCK screw.
(4) Adjust the FOCUS knob so that the center screen
may become the best focus.
(5) Fix the focus lock screw by using the Hexagon
wrench.
• On this occasion, hold the FOCUS knob with your left
hand.
(6) Confirm the whole focus of the best screen
(7) Install the FRONT PANEL, SPEAKER GRILL (L / R).
BODY COVER and cushions.
• Use the inner RGB box pattern.
(1) Set the [SLEEP TIMER] key to 0 min.
(2) Press the [DISPLAY] key and the [VIDEO STATUS]
key simultaneously.
(3) Press the [9] key to display the RGB box pattern.
(4) Select the R mode by pressing the [DISPLAY] key.
(5) Adjust the R mode to setting as same as G mode by
pressing the [CH ]+ / [CH -] key.
(6) Select the B mode pressing by the [DISPLAY] key.
(7) Adjust the B mode to setting as same as G mode by
pressing the [VOL] - / [VOL +] key.
(8) Check to see that the cross pattern is white. If the
cross pattern is not white, readjust (5) to (6).
Note
• G mode : FIXED mode (Can not remove)
• Setting data : Memorized at once.
INPUT 2
4 5 6
V2
INPUT 3
9 : RGB BOX PATTERN
7 8 9
V3
RETURN+
INPUT 4
0
V4
TUNE TV
THEATER VIDEO
DIGITAL-IN DIGITAL-IN PRO STATUS
DISPLAY : OSD ON/OFF
D-IN D-IN
select :
SLEEP TIMER DISPLAY SOUND LIGHT
+
MUTING C.C.
CH + : R / B up position
C.C.
CH
VOL VOL
OK
VOL +: R / B move to
CH
MENU BACK
BACK: Return to
VCR CHANNEL VCR / DVD
PREV NEXT POWER TV / VCR
REW PLAY FF
CH - : R / B Down position
REC STOP PAUSE
OPEN CLOSE STILL PAUSE
Description
R B RGB
1 pixel
right side by 1 pixel
SERVICE MENU
by 1 pixel
(No.YA092B)1-29