Sharp 21JF2 Series, Service Manual

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21JF2-RU/GA/SA/SF/SS
3 – 26
15. ROM CORRECTION CHECKING
16. ROM CORRECTION DATA
NOTE: Add ROM Correction for countermeasure for data change when AGING and AC POWER OFF. There is posibility of changing background
color if no implement ROM Correction when AGING and AC power OFF.
MCU: M37160MAH-052FP
Soft Ver. V1.00H
ROMCORRECT1... AC-DET protection loop is to be exited when AD3(Prot) is detected HIGH so that protection mode can perform
properly
ROMCORRECT2... During OSD interrupt, OSD vertical position is adjusted.
EEPROM Data
Slave Sub. Data Comment
$A2 $76 A0 ROMCORRECT1 Permission
$A2 $77 92 ROMCORRECT1 Address(H)
$A2 $78 14 ROMCORRECT1 Address(L)
$A2 $79 0F ROMCORRECT1 Code length
$A2 $7A 07 ROMCORRECT1 Checksum
$A2 $7B A0 ROMCORRECT2 Permission
$A2 $7C 73 ROMCORRECT2 Address(H)
$A2 $7D 9A ROMCORRECT2 Address(L)
$A2 $7E 1F ROMCORRECT2 Code length
$A2 $7F 47 ROMCORRECT2 Checksum
$A2 $80-87 A2 40 A9 02 20 D2 F3 90 ROMCORRECT1 Data
$A2 $88-$8F 03 4C CD 91 4C 17 92 FF ROMCORRECT1 Data
$A2 $90-$97 FF FF FF FF FF FF FF FF ROMCORRECT1 Data
$A2 $98-$9F FF FF FF FF FF FF FF FF ROMCORRECT1 Data
$A2 $A0-$A7 86 BF 85 8E A6 82 E0 0F ROMCORRECT2 Data
$A2 $A8-$AF F0 0E 18 69 0A 47 03 08 ROMCORRECT2 Data
$A2 $B0-$B7 B0 04 C9 D8 90 02 A5 8E ROMCORRECT2 Data
$A2 $B8-$BF A6 BF 95 D4 4C 9C 73 FF ROMCORRECT2 Data
No. Adjustment point Adjustment procedure/conditions Waveform and others
ROM CORRECTION
CHECK 1 1) Go to SERVICE mode, press "MENU" key until the
SERVICE mode display as in Figure 1 appeared.*
2) Check the ROM CORRECTION status by monitoring the
screen, follow the model's setting.
CHK1: AC-DET protection loop is to be exited when AD3
(Prot) is detected HIGH so that protection mode
can perform properly
CHK2: During OSD interrupt, OSD vertical position is
adjusted.
MODEL Micon Version CHK1 CHK2 FIGURE
21JF2-RU RH-IXB226WJZZ(Software Ver. 1.0) ACT ACT
21JF2-GA RH-IXB226WJZZ(Software Ver. 1.0) ACT ACT
21JF2-SA RH-IXB226WJZZ(Software Ver. 1.0) ACT ACT
21JF2-SF RH-IXB226WJZZ(Software Ver. 1.0) ACT ACT
21JF2-SS RH-IXB226WJZZ(Software Ver. 1.0) ACT ACT
* OTHERS:
Figure 1
INFO
SLV1 0 0
SLV2 0 0
SLV4 0 0
SLV7 0 0
MICON : ZZ CHK1 : ACT
SOFT : 1.0 CHK2 : ACT