Service manual

PV152 2-9 PROJO
4. For red, setting to the center between red and crimson
is optimum.
5. For blue, setting to the center between purple and
green is optimum.
DCU PHASE DATA SETTINGS
Adjustment Preparation
1. Cut off adjustment should be finished
2. VIDEO CONTROL: Factory Preset Condition
Adjustment procedure
PROGRESSIVE MODE
1. Receive any NTSC signal (Set is in Progressive mode)
2. Push “SERVICE ONLY” SW on Deflection PWB (Enter to
DCU ADJ. Mode)
3. Push (?) key on R/C. (Green cross hatch is displayed).
Then push (QUIT) key on R/C. (Character pattern is
displayed. This is the PHASE setting mode)
4. Set PH-H phase data as shown below using (4) and
(6) key.
5. Set PH-V phase data as shown below using (2) and (5)
key.
6. Set CR-H phase data as shown below using (<) and (>)
key.
7. Set CR-V phase data as shown below using (up) and
(down) arrow keys.
8. Push (?) key on R/C to exit from the PHASE mode.
9. Push (-)* key on R/C 2 time to write the phase data
to the E2PROM.
10.When Green dots are displayed, push (MUTE) key to
return to DCU ADJ. mode.
11. Push “SERIVCE ONLY” SW to return to RF or VIDEO
mode.
HD MODE
12. Receive any HD signla (Set is in HD Mode)
13. Repeat (2)~(11) procedure again.
HD MODE
PROGRESSIVE MODE
PHASE MODE: PHASE MODE:
PH-H: BB
PH-V: OC
CR-H: 4C
CR-V: 00
PH-H: BB
PH-V: O7
CR-H: 4C
CR-V: 0C
CHASSIS HORIZ PHASE (COARSE) ADJUSTMENT
Adjustment Preparation:
1) Cut Off, DCU Phase adjustments should be finished.
2) Video Control: Brightness 90%, Contrast Max.
Adjustment Procedure
PROGRESSIVE MODE
1) Receive any NTSC crosshair signal.
2) Screen Format is PROGRESSIVE.
3) Press the SERVICE ONLY switch on the deflection PWB
and display the Digital Convergence Crosshatch pat-
tern.
4) Mark the center of the Digital Convergence Crosshatch
Pattern with finger and press the SERVICE ONLY switch
to return to normal mode.
5) Enter the I
2
C Bus alignment menu and select Item [12]
H POSI and adjust the data so that the center of Video
matches the location of the Digital Crosshatch pat-
tern noted in step {4}.
6) Exit from the I
2
C Menu.
HD Mode Adjustment
1) Receive any 2.14H signal.
2) Screen Format is HD.
3) Press the SERVICE ONLY switch on the deflection PWB
and display the Digital Convergence Crosshatch pat-
tern.
4) Mark the center of the Digital Convergence Crosshatch
Pattern with finger and press the SERVICE ONLY switch
to return to normal mode.
5) Enter the I
2
C Bus alignment menu and select Item [12]
H POSI and adjust the data so that the center of Video
matches the location of the Digital Crosshatch pat-
tern noted in step {4}.
6) Exit from the I
2
C Menu.
BEFORE
USE CURSOR
KEYS TO MOVE
DOTTED LINES
BETWEEN BENT
LINES FIRST
ACTIVE
VIDEO
CENTER
FROM
STEP (5)
THEN USE NUMBER KEYS TO MATCH INTERNAL
CROSSHATCH CENTER TO ACTIVE VIDEO CENTER
AFTER
RASTER INCLINATION ADJUSTMENT (DEFLECTION YOKE)
Adjustment preparation
1. The set can face any direction.
2. Input the single cross test signal.
CONVERGENCE ADJUSTMENT