Hitachi 43FWX20B, Service Manual

Page: 24 / 164

2.7.2 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.
Parameter Normal Normal
ADJ. DISP 77 77
DEMO WAIT 2F 2F
INT. START 03 03
V. SQUEEZE F0 F0
INT STEP 1 02 02
INT STEP 2 06 06
INT BAR 28 25
INT DELAY 01 01
MGF STEP 1 00 00
MGF STEP 2 06 06
MGF BAR 1B 1B
MGF DELAY 01 01
SEL. STAT. 00 00
LINE WID 1F 1F
ADD LINE 09 09
SENSOR CK 00 00
PORT 0 07 07
PORT 1 06 06
PORT 2 05 05
PORT 3 04 04
PORT 4 03 03
PORT 5 02 02
PORT 6 01 01
PORT 7 00 00
AD LEVEL 03 03
CENT. BAL 00 01
E. DISPLAY 00 00
ADJ. TIMS 60 60
AD LEVEL 05 05
AD NOISE 0A 0A
PHASE MOT 60 60
H. BLK-RV 00 00
H. BLK-GV 01 01
H. BLK-BV 00 00
H. BLK-H 00 00
PON DELAY 0C 0C
IR-CODE 00 00
INITIAL 50 9E 9E
MGF 50 96 96
CENTER 50 FE FE
STAT 50 FE FE
DYNA 50 9F 9F
DP23/DP23G DP24
TABLE 1. - DCU PARAMETER
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.)
24
DP23/23G/24
2.7.1 MAGIC FOCUS Character Set-Up
This instruction should be applied when a new
DCU is being replaced.
Adjustment Preparation
(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 switch.
(Internal crosshatch is displayed without conv.
correction data.)
(3) Press the SWAP button 2 times for ROM READ
operation. Picture will appear with convergence
correction data.
Adjustment Procedure
(1) Press FREEZE key on R/C. (One additional line
appears near the top and near the bottom.)
(2) Press PIPCH key, then ADJ. PARAMETER
mode is displayed as following.
(3) Press THUMBSTICK or to change the ADJ.
DISP. data.
(4) Press THUMBSTICK to access DCU
Parameter. Change the data as shown on Table
1 - DCU Parameter Data.
(5) Press PIP MODE key 2 times to write changed
data into EEPROM. (First press ADJ.
PARAMETER/ROM WRITE? is displayed for
alarm. 2nd press, writes data into EEPROM.
Green dots appear after completion of
operation.)
(6) Press MUTE key 3 times to exit from ADJ.
PARAMETER mode.
ADJ. PARAMETER
ADJ. DISP.: 77
DEMO WAIT: 2F
INT. START: 03
V. SQUEEZE: F0
BACK TO ADJUSTMENTS