Magic Focus Pattern Set-Up - Hitachi 51F710A/DP55 Service Manual

2.12.2 MAGIC FOCUS Pattern Set-Up

NOTE: (1) This instruction should be applied when a new
Signal Block or complete chassis is being replaced.
(2) This instruction shows how to set up the pattern
position for MAGIC FOCUS.
Adjustment Preparation
(1) Receive NTSC RF or video signal.
(2) With Power off, PRESS and HOLD the SERVICE
ONLY button on SIGNAL PWB, then press the
Power On/Off, when picture appears release
SERVICE ONLY button (Internal crosshatch is
displayed without conv. correction data).
(3) Set R/C to DCAM mode (refer to page 45).
Adjustment Procedure
(1) Press key on R/C. (One addtional line appears
near the top and near the bottom.)
(2) Press Forward key, then MAGIC FOCUS PATTERN
mode is displayed as follows:
0
7
GUIDE
6
(3) Use [6] key on remote control to rotate the arrow.
Arrow indicates each sensor position. (Upper left
corner, middle top, upper right corner, right middle, in
this order).
(4) Use the keys to switch color of pattern.
INFO : Green pattern
0 : Red pattern
INPUTS : Blue pattern
(5) Press CURSOR PAD
C.C.
value to the horizontal direction. Press CURSOR
PAD or to change the data value to the vertical
direction.
(6) Set the data as shown below:
BACK TO ADJUSTMENTS
2
1
RH : 04
3
RV : FF
4
5
or to change the data
Pattern Position
0 2
1
7 3
6 4
5
Pattern: 51" & 57" (Sensor: 20mm)
Adj. Mode
0 1 2
RH 04 00 fc
RV ff fe 01
GH 04 00 fc
GV ff fe ff
BH 04 00 fc
BV ff fe ff
(7) Press ASPECT key 2 times to write the changed data
in EEPROM. (First press, ROM WRITE ? 2nd press,
writes data into EEPROM. Green dots appear after
completion of operation.)
(8) Push POWER key (on control panel) to exit from
PATTERN mode.
36
3 4 5 6
02 fc 00 04
00 fe 01 00
02 fc 00 04
00 ff 01 00
02 fc 00 04
00 00 01 ff
DP55
7
fe
00
fe
00
fe
00