Sharp CX51TXZ, Service Manual

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5
5-1 5-2
CX51TXZ
* After short TP1001 & TP1002, and turn on the MAIN Power Switch, read data from EEPROM Address 00H~03H,
and compare to the list below, if different, initialize the EEPROM.
Address : Data Address : Data
00H : 23H 02H : 13H
01H : 21H 03H : 85H
EEPROM item (OSD Display) Data length Initial data Remarks
(00H) –––––––––– 23H
(01H) –––––––––– 21H
(02H) –––––––––– 13H
(03H) –––––––––– 85H
R CUT OFF 0 ~ 255 0
G CUT OFF 0 ~ 255 0
B CUT OFF 0 ~ 255 0
G DRIVE 0 ~ 255 127
B DRIVE 0 ~ 255 127
50Hz V-AMP 0 ~ 127 58 +1 *1
50Hz V-LINEARITY 0 ~ 31 16 –2 *1
50Hz S CORRECTION 0 ~ 127 67 +7 *1 *2
50Hz V-PHASE 0 ~ 7 5 –3 *1
50Hz H-PHASE 0 ~ 31 7 +5 *1
60Hz V-AMP 0 ~ 127 59
60Hz V-LINEARITY 0 ~ 31 14
60Hz S CORRECTION 0 ~ 127 74 *2
60Hz V-PHASE 0 ~ 5 2
60Hz H-PHASE 0 ~ 31 12
SECAM R-Y 0 ~ 15 10
SECAM B-Y 0 ~ 15 6
SUB-BRIGHT 0 ~ 255 127
SUB-COLOUR 0 ~ 255 110
SUB-TINT 0 ~ 127 70
AFT/SKIP 0 ~ 1 ON/OFF
C-SYSTEM 0 ~ 1 AUTO
S-SYSTEM –––––––––– B/G
NVM When finish adjustments, DATA from 00H~03H differ from INITIAL DATA. Precaution, Once AC
Power ON, all DATA will be initiated.
MODE KEY-IN KEY
SEARCH SPEED REVEAL
COLOUR PAL RESET
Direct Key-in STEP 2 Mode
*1 : While 50 Hz mode has been adjusted, 60Hz mode’s data automatically will be input.
(But, while 60Hz mode has been adjusted, 50Hz mode’s data won’t be updated.)
*2 : Fixed DATA, do not change without specific indication.
STEP 2 IN SERVICE MODE
(Press LANG Key 2 seconds to switch from STEP 1)
Fixed DATA, do not change with out specific indication.
EEPROM item (OSD Display) Data adjustable range Data initial value Remarks
AGC SW ON
AGC GAIN 0
WT HI (LO*)
FM LEVEL 0dB
IGR LEVEL +2dB
NICAM B/G LEVEL –1dB
NICAM I LEVEL +4dB
NICAM D/K LEVEL –1dB
LOWER ERROR 35
UPPER ERROR 70
IGR GAIN (TDA9873H) 0
INTERNAL/EXTERNAL FM INTERNAL
AUTO MUTE ON
IC SELECT PH
Y-DELAY PAL B/G 2
Y-DELAY PAL IDK 2
Y-DELAY SECAM BG 4
Y-DELAY SECAM IDK 4
Y-DELAY NTSC M 2
BASS SW OFF
BASS LEVEL 0
AGC SW ON
AGC LEVEL 3
SEARCH SPEED 550
V-BLK ST50 0 ~ 63 63
V-BLK SP50 0 ~ 127 25
SUB CONTRAST 0 ~ 255 255
SUB SHARPNESS 0 ~ 63 28
Y SUB CONTRAST 0 ~ 31 18
V-BLK ST60 0 ~ 63 63
V-BLK SP60 0 ~ 127 20
COLOUR PAL PARAMETER +20
COLOUR SECAM PARAMETER +10
COLOUR NTSC PARAMETER +20
N358 SHARPNESS +10
AV TINT PARAMETER +3
AV SHARPNESS PARAMETER 0
ANR COLOUR STEP1 5
ANR COLOUR STEP2 10
ANR SHARPNESS STEP1 7
ANR SHARPNESS STEP2 12
EEPROM ITEMS' OSD DISPLAY JUDGE
→
WT
INITIAL DATA LOW
→
Hi
* “WT” (WHITE TEMP. LIMIT) follows Pin (29) of IC1001
WT Pin (29) of IC1001 OSD
HI L 5