JVC HV-53PRO/K Service Manual page 34

HV-53PRO
Measuring
Item
instrument
Adjustment
of
CONVERGEN-
CE
PHASE
PHASE MODE SCREEN
PHASE MODE
PH-H:3H
PH-V:05
CR-H:4C
CR-V:0B
Fig. 6
Measuring
Item
instrument
Adjustment Signal
of Generator
OVERALL
CONVER Remote
GENCE Control unit
Screen
size
18mm
1mm 89.4166mm
Screen
size
57.4615mm
1mm
34
Test point Adjustment part
Test point Adjustment part
SERVICE SW
(S801)
[CONVERGENCE
PWB]
Screen size
15mm
96.875mm
48.4375mm
3mm
1077mm
[For PAL]
Fig.1
Screen size
27mm
114.9231mm
34mm
89.4166mm 3mm
1077mm
[For NTSC]
Fig.2
17. Press the PIP SWAP key , next press the MUTING key.
18. The screen changes to the PHASE MODE as shown Fig. 6 .
19. It confirms that the value agrees with the table below.
20. Press the PIP SWAP key again to return to the dynamic
adjustment mode, then press the MENU / OK key.
21. Receive a NTSC signal and carry out the adjustments in the
same manner as for the steps-1 to step-20 above.
PHASE MODE
PH-H
PH-V
CR-H
CR-V
PHASE MODE setting value
After competing the raster center and beam spot adjustments,
the focusing of the focus lens should be completed.
[PAL]
1. Receive a PAL cross-hatch signal.
2. Press the SERVICE SW S801 on the CONVERGENCE PWB,
then flash the cross hatch pattern.
3. Adjust the position on the screen as shown in Fig.1.
4. When the adjustment has been completed, press the MENU
OK key and store the data on the memory.
5. Press the SERVICE SW S801 again.
[NTSC]
1. Receive a NTSC signal.
2. Press the SERVICE SW S801 on the CONVERGENCE PWB.
3. Adjust the position on the screen as shown in
4. When the adjustment has been completed, press the MENU
OK key and store the data on the memory.
5. Press the SERVICE SW S801 again.
NOTE
The adjustment points(adjustment values) that are indicated in
the Fig.1/Fig.2 are design values. During the field service,
adjust the adjustment points down to the millimeter. (Note that
the adjustment points are only adjustable down to the
millimeter.) Moreover, make sure that the horizontal and
vertical lines are straight by the visual observation. If the
horizontal and visual lines
necessary adjustments again.
No. 51984
Description
Signal
PAL NTSC
3F 3F
08 08
4C 4C
08 01
Description
Fig.2.
are out of alignment, carry out