Sharp Aquos LC-20B4E, Service Manual

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LC-20B4E
4. Initialization
When the microprocessor (IC2001) or the EEPROM (IC2008, IC2010) has been replaced or when the EEPROM
has been initialized, readjust the each adjustments.
4-1. Connect the pins (81) and (82) of IC2001 (microprocessor) to GND, and turn on the power.
4-2. Select the model name to (A522).
4-3. Select the inch size (20).
4-4. LED changes green from red after setting finish and about 15 seconds, initialization is completed, and it
becomes adjustment mode.
4-5. Writing the model-by-model data
For the Ver.1.10A microprocessor, get it initialized first and then make the settings, listed below, on it. (The
microprocessor version is indicated at the bottom of Adjustment Process Page 1.)
4-6. Precautions in replacing the EEPROMs (IC2008 and IC2010)
When the EEPROMs (IC2008 and IC2010) have been replaced, be sure to replace also the microprocessor
(IC2001) with the one "Part No. RH-iXA522WJN1Q".
The version of the RH-iXA522WJN1Q microprocessor is 1.20A.
Ver.1.10A data reprogramming (INCH SIZE [20])
Adjustment process page
8
13
18
22
26
30
34
41
41
41
41
41
41
41
41
41
41
41
41
41
41
Item
PAL BRIGHTNESS
SECAM BRIGHTNESS
N358 BRIGHTNESS
N443 BRIGHTNESS
PAL-M BRIGHTNESS
PAL-N BRIGHTNESS
PAL60 BRIGHTNESS
DPS NLC A6
DPS NLC A8
DPS NLC AA
DPS NLC AC
DPS NLC AE
DPS NLC B0
DPS NLC B2
DPS NLC B6
DPS NLC BA
DPS NLC BC
DPS NLC BE
DPS NLC C6
DPS NLC CA
DPS NLC D0
OSD settings
0
→
+5
0
→
+5
0
→
+5
0
→
+5
0
→
+5
0
→
+5
0
→
+5
0E
→
0B
0E
→
0A
18
→
1A
38
→
2A
3C
→
30
53
→
3B
4E
→
42
07
→
10
15
→
23
39
→
32
40
→
35
07
→
10
15
→
1B
50
→
55