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(3-2-2)Then push " " of remote control and set the AGC
value again to greater than and as close as 180.
(3-2-3) Push the "MUTE" button of remote control, then AGC
adjustment is completed.

1.5 SUB AGC ADJUSTMENT

Adjustment Preparation

(1) To prevent circuit temperature drift, the set must be

warmed up before alignment longer than 10 minutes.

(2) Adjust the RF signal frequency and level accuracy to

224.25MHz and -50dBm

Adjustment Procedure

(1) Press PIP button to display sub picture, and

receive the PinP sub channel point philips pattern
signal in adjustment mode.

(2) Select item No.12 in service menu by ’ ’or’ ’

key.

(3-1)When the value of AGC of NO.12 of the service menu

is 180 or less than 180,
(3-1-1)Push " " of remote control and set the AGC
value becomes 180 or greater than 180.
(3-1-2)Push the "MUTE" button of remote control, then
AGC adjustment is completed.

(3-2)When the value of AGC of NO.12 of the service menu

is 180 or greater than 180.
(3-2-1)Set the value of AGC by " " of remote control to
smaller than 180 at first

(3-2-2)Then push " " of remote control and set the AGC
value again to greater than and as close as 180.
(3-2-3) Push the "MUTE" button of remote control, then
AGC adjustment is completed.

2. FINAL ASSEMBLY ADJUSTMENT

2.1 CUT OFF ADJUSTMENT

Adjustment preparation

(1)

Pre heat-run should be finished.

(2)

Confirm item No. 41, 42 and 43 are set to 127 in
service menu.

Adjustment procedure

(1)

Go to “SERVICE” mode item No 10 by using R/C.
Press key to enter CUT OFF adjustment mode.

(2)

Screen VR (R, G and B) should be turned clockwise
gradually and set the
condition that the each horizontal line is just beginning
to appear.

(3)

Press key to return normal mode.

2.2 DCU PHASE DATA SETTING

Adjustment preparation

1) Cut off adjustment should be finished.

Adjustment procedure
(1)

Receive any PAL signal and Set to 100Hz mode. (RF or
VIDEO)

(2)

Push the “SERVICE ONLY” switch on the
CONVER/FOCUS P.W.B. to enter the adjustment
mode of the digital convergence unit.

(3) Phase

set

1) Press the [REVEAL] key on R/C to display the

green cross-hatch pattern.

2) Press

the

[CH

i/ii

] key to recall the phase

DATA on screen.

PAL 100i mode PAL 50p mode NTSC 60p mode

           PHASE MODE: 1      PHASE MODE: 5       PHASE MODE: 6
               PH-H  D5                   PH-H D4                 PH-H D2
               PH-V  0A                   PH-V  14                  PH-V  05
             CR-H 2E                   CR-H 2E                 CR-H 30
               CR-V  0E                   CR-V   0E                 CR-V  0A

3) If phase data is not the same as above,

change the DATA by using the following R/C
keys.

   Press [4] or [6] key to adjust the PH-H
   Press [2] or [5] key to adjust the PH-V
   Press [     ] or [    ] key to adjust the CR-H
   Press [     ] or [    ] key to adjust the CR-V

4) Press the [REVEAL] key to exit from phase

mode.

5) Press [INDEX] key on R/C twice to write the

data into Rom.

6) Push the “SERVICE ONLY” switch on the

CONVER / FOCUS P.W.B. to exit from
adjustment mode of the digital convergence
unit.

(4)

Change to PAL50p mode (Set DCU the PAL50p
mode) and repeat procedure (2)-(3) for PAL50p
mode.

(5)

Change the signal to NTSC circle pattern (Set DCU
the NTSC mode) and repeat procedure(2)-(3) for
NTSC mode.

No. V0XX
11

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