Magic Focus Pattern Set Up - Hitachi 51F710 Service Manual

2.11.2 MAGIC FOCUS Pattern Set-Up
NOTE: (1) This instruction should be applied when a new
DCU is being replaced.
(2) This instruction shows how to set up the pattern
position for MAGIC FOCUS.
Adjustment Procedure
(1) Receive NTSC RF or video signal.
(2) With Power off, PRESS and HOLD the SERVICE
ONLY button on DEF./CONV. 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 47).
Adjustment Procedure
(1) Press key on R/C. (One addtional line appears
near the top and near the bottom.)
(2) Press C.C. 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
1
7
6
5
Pattern: 51" & 57" (Sensor: 20mm)
Normal 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
Pattern: 65"
Normal Mode
0 1 2
RH 08 02 f6
RV 04 02 06
GH 08 00 f8
GV 03 01 04
BH 08 fe f8
BV 05 01 02
(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.
13
DP45
2
3
4
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
3 4 5 6
fe f6 02 08
00 fb ff fe
00 f8 00 08
00 fc ff fe
fe f8 fe 08
00 fd ff fc
7
fe
00
fe
00
fe
00
7
00
00
00
00
00
00