Sharp LC-28HM2E (serv.man2) Service Manual ▷ View online
17
LC-28HM2
AN-28SP2
4
Process adjustment mode for display only
[Procedure]
Separate the display from the AVC center.
While pressing [BRIGHTNESS] and [VOL–] buttons simultaneously, switch on the power.
While pressing [BRIGHTNESS] and [VOL–] buttons simultaneously, switch on the power.
[Contents]
Various monitor side adjustments can be made manually.
(1) Lamp error reset (Done automatically with presetting)
(1) Lamp error reset (Done automatically with presetting)
Set 0F 00 0 in the 1st line, and then set 1 into the least significant bit. Upon this setting, the “lamp error” is
reset.
(After reset, 1 in the least significant bit will not become 0 automatically.)
After reset, switch off the power once and confirm that the system can be restarted in normal mode.
reset.
(After reset, 1 in the least significant bit will not become 0 automatically.)
After reset, switch off the power once and confirm that the system can be restarted in normal mode.
(2) Monitor G/A test pattern reset
Set 00 10 00 in the 3rd line, and then set 1 in the 4th line. Upon this setting, the blue screen appears. Thus
the test pattern in the monitor process adjustment is reset.
(After reset, the fourth line will not become 0 automatically.)
After reset, switch off the power once and confirm that the system can be restarted in normal mode.
the test pattern in the monitor process adjustment is reset.
(After reset, the fourth line will not become 0 automatically.)
After reset, switch off the power once and confirm that the system can be restarted in normal mode.
3. How to terminate special modes
1
Process adjustment mode:
Press [PROCESS ADJUSTMENT] button of the remote controller, or switch off the power.
2
Inspection process mode:
Turn P1L6 “SIGNAL INFO” to “OFF”, or switch off the power.
3
Presetting:
Upon completion, the system automatically moves to the process adjustment mode.
4
Process adjustment mode for display only:
Switch off the power.
18
LC-28HM2
AN-28SP2
LIST OF ADJUSTMENT ITEMS
P
L
Item
Initial setting
Description
1
1
CENTER VERSION
Center side microcomputer version
2
MONITOR VERSION
Monitor side microcomputer version
3
MODEL SELECT
Model selection for each destination
4
CENTER ACUTIME
Center side accumulated operation time
5
MONITOR ACUTIME
Monitor side accumulated operation time
6
SIGNAL INFO
Inspection mode switch
7
LAMP NG CHECK
Times of lamp error detection
8
GAMMA LEVEL BRIGHT
16
Gamma level for brightness adjustment
9
GAMMA LEVEL CONTRAST
232
Gamma level for contrast adjustment
10
GAMMA LEVEL COLOR
185
Gamma level for color adjustment
11
GAMMA SELECT SW
NORMAL
Gamma table mode selection switch
2
1
+BADJ CENTER
Center side +B adjustment
2
+BADJ MONITOR
Monitor side +B adjustment
3
COMMON BIAS
Common bias adjustment
4
CN358 BRIGHT
133
Composite NTSC 3.58 black level setting
5
_BR SET FROM N358
Copy of black level adjustment value
6
CN358 CONTRAST
70
Composite NTSC 3.58 contrast setting
7
CN358 R DRIVE
56
Composite NTSC 3.58 red gain setting
8
CN358 B DRIVE
72
Composite NTSC 3.58 blue gain setting
9
CN358 COLOR
70
Composite NTSC 3.58 color density setting
10
CN358 TINT
70
Composite NTSC 3.58 tint setting
11
CN358 SHARPNESS
64
Composite NTSC 3.58 sharpness setting
12
CN358 APACONPEAK
1
Composite NTSC 3.58 apaconpeak setting
13
CN358 YNR LEVEL
NORMAL
Composite NTSC 3.58 YNR level setting
14
CN358 CDE
3
Composite NTSC 3.58 CDE level setting
15
CN358 SHR TRACKING
2
Composite NTSC 3.58 sharpness correction setting
16
CN358 C TRAP
0
Composite NTSC 3.58 C trap setting
17
CN358 H POS
0
Composite NTSC 3.58 horizontal position setting
3
1
C PAL BRIGHT
133
Composite PAL black level setting
2
C PAL CONTRAST
71
Composite PAL contrast setting
3
C PAL R DRIVE
58
Composite PAL red gain setting
4
C PAL B DRIVE
70
Composite PAL blue gain setting
5
C PAL COLOR
85
Composite PAL color density setting
6
C PAL TINT
60
Composite PAL tint setting
7
C PAL SHARPNESS
48
Composite PAL sharpness setting
8
C PAL APACONPEAK
3
Composite PAL apaconpeak setting
9
C PAL YNR LEVEL
MIN
Composite PAL YNR level setting
10
C PAL CDE
3
Composite PAL CDE level setting
11
C PAL SHR TRACKING
2
Composite PAL sharpness correction setting
12
C PAL C TRAP
0
Composite PAL C trap setting
13
C PAL H POS
1
Composite PAL horizontal position setting
4
1
BELL F0
113
SECAM bell filter setting
2
C SECAM BRIGHT
131
Composite SECAM black level setting
3
C SECAM CONTRAST
72
Composite SECAM contrast setting
4
C SECAM R DRIVE
62
Composite SECAM red gain setting
5
C SECAM B DRIVE
72
Composite SECAM blue gain setting
6
C SECAM COLOR
33
Composite SECAM color density setting
7
C SECAM TINT
64
Composite SECAM tint setting
8
C SECAM SHARPNESS
48
Composite SECAM sharpness setting
9
C SECAM APACONPEAK
3
Composite SECAM apaconpeak setting
10
C SECAM YNR LEVEL
OFF
Composite SECAM YNR level setting
11
C SECAM CDE
3
Composite SECAM CDE level setting
19
LC-28HM2
AN-28SP2
P
L
Item
Initial setting
Description
4
12
C SECAM SHR TRACKING
0
Composite SECAM sharpness correction setting
13
C SECAM C TRAP
1
Composite SECAM C trap setting
14
C SECAM H POS
4
Composite SECAM horizontal position setting
15
B-Y BLACK LEVEL
SECAM B-Y black level setting
16
R-Y BLACK LEVEL
SECAM R-Y black level setting
5
1
COMP 15/60 BRIGHT
130
Component 15k/60Hz black level setting
2
COMP 15/60 CONTRAST
81
Component 15k/60Hz contrast setting
3
COMP 15/60 R DRIVE
57
Component 15k/60Hz red gain setting
4
COMP 15/60 B DRIVE
73
Component 15k/60Hz blue gain setting
5
COMP 15/60 COLOR
36
Component 15k/60Hz color density setting
6
COMP 15/60 TINT
64
Component 15k/60Hz tint setting
7
COMP 15/60 SHARPNESS
48
Component 15k/60Hz sharpness setting
8
COMP 15/60 APACONPEAK
1
Component 15k/60Hz apaconpeak setting
9
COMP 15/60 YNR LEVEL
NORMAL
Component 15k/60Hz YNR level setting
10
COMP 15/60 CDE
2
Component 15k/60Hz CDE level setting
11
COMP 15/60 SHR TRACKING
0
Component 15k/60Hz sharpness correction setting
12
COMP 15/60 H POS
7
Component 15k/60Hz horizontal position setting
13
DATA COPY
Data copy
6
1
MONITOR CORRECT ALL
Monitor correction RGB
2
MONITOR CORRECT R
Monitor correction R
3
MONITOR CORRECT G
Monitor correction G
4
MONITOR CORRECT B
Monitor correction B
5
CEENT EEP RST S/C ONLY
EEPROM reset in Sharp Corporation control area only
6
MONITOR EEP RST
Monitor side EEPROM reset
7
UPDATE CENTER PROGRRAM
Start updating the center side program
8
UPDATE MONITOR PROGRAM
Start updating the monitor side program
9
G/A TESTPAT
G/A test pattern
10
G/A MASK SW
G/A masking
11
I
2
C CHANNEL
I
2
C device control
12
I
2
C SLAVE ADDRESS
I
2
C device control
13
I
2
C SUB ADDRRESS
I
2
C device control
14
I
2
C DATA
I
2
C device control
7
1
CENTER ACUTIME RESET
Resetting center side accumulated operation time
2
MONITOR ACUTIME RESET
Resetting monitor side accumulated operation time
3
LOUDNESS
4
DIP SW
5
SPEAKER ENABLE
Speaker mute control
6
LAMP NG CHECK SW
7
AUTOWIDE SPEED
Auto-wide speed setting
8
NR-ON/OFF
9
TA1298 YNR VIDEO
10
UPD64082 YNR
UPD64082YNR intensity setting
11
NOISE LEVEL
12
DECORDER TINT
13
NR LEVEL ADD
14
INR SW
15
INR LEVEL
8
1
COMP 15/50 BRIGHT
130
Component 15k/50Hz black level setting
2
COMP 15/50 CONTRAST
81
Component 15k/50Hz contrast setting
3
COMP 15/50 R DRIVE
57
Component 15k/50Hz red gain setting
4
COMP 15/50 B DRIVE
73
Component 15k/50Hz blue gain setting
20
LC-28HM2
AN-28SP2
P
L
Item
Initial setting
Description
8
5
COMP 15/50 COLOR
36
Component 15k/50Hz color density setting
6
COMP 15/50 TINT
64
Component 15k/50Hz tint setting
7
COMP 15/50 SHARNESS
48
Component 15k/50Hz sharpness setting
8
COMP 15/50 APACONPEAK
1
Component 15k/50Hz apaconpeak setting
9
COMP 15/50 YNR LEVEL
NORMAL
Component 15k/50Hz YNR level setting
10
COMP 15/50 CDE
2
Component 15k/50Hz CDE level setting
11
COMP 15/50 SHR TRACKING
0
Component 15k/50Hz sharpness correction setting
12
COMP 15/50 H POS
7
Component 15k/50Hz horizontal position setting
9
1
COMP 31K APACONPEAK
5
Component 31k apaconpeak setting
2
COMP 33K APACONPEAK
5
Component 33k apaconpeak setting
3
COMP 45K APACONPEAK
5
Component 45k apaconpeak setting
4
COMP 31K YNR LEVEL
MIN
Component 31k YNR level setting
5
COMP 33K YNR LEVEL
MIN
Component 33k YNR level setting
6
COMP 45K YNR LEVEL
MIN
Component 45k YNR level setting
7
COMP 31KHZ CDE
0
Component 31k CDE level setting
8
COMP 33KHZ CDE
0
Component 33k CDE level setting
9
COMP 45KHZ CDE
0
Component 45k CDE level setting
10
COMP 31K SHR TRACKING
1
Component 31k sharpness correction level setting
11
COMP 33K SHR TRACKING
1
Component 33k sharpness correction level setting
12
COMP 45K SHR TRACKING
1
Component 45k sharpness correction level setting
13
COMP 31K H POS
1
Component 31k horizontal position setting
14
COMP 33K H POS
1
Component 33k horizontal position setting
15
COMP 45K H POS
1
Component 45k horizontal position setting
10
1
CN443 BRIGHT
133
Composite NTSC 4.43 black level setting
2
CN443 CONTRAST
71
Composite NTSC 4.43 contrast setting
3
CN443 R DRIVE
58
Composite NTSC 4.43 red gain setting
4
CN443 B DRIVE
70
Composite NTSC 4.43 blue gain setting
5
CN443 COLOR
85
Composite NTSC 4.43 color density setting
6
CN443 TINT
52
Composite NTSC 4.43 tint setting
7
CN443 SHARPNESS
64
Composite NTSC 4.43 sharpness setting
8
CN443 APACONPEAK
3
Composite NTSC 4.43 apaconpeak setting
9
CN443 YNR LEVEL
NORMAL
Composite NTSC 4.43 YNR level setting
10
CN443 CDE
3
Composite NTSC 4.43 CDE level setting
11
CN443 SHR TRACKING
2
Composite NTSC 4.43 sharpness correction setting
12
CN443 C TRAP
1
Composite NTSC 4.43 C trap setting
13
CN443 H POS
1
Composite NTSC 4.43 horizontal position setting
11
1
C PAL-M BRIGHT
133
Composite PAL-M black level setting
2
C PAL-M CONTRAST
71
Composite PAL-M contrast setting
3
C PAL-M R DRIVE
58
Composite PAL-M red gain setting
4
C PAL-M B DRIVE
70
Composite PAL-M blue gain setting
5
C PAL-M COLOR
85
Composite PAL-M color density setting
6
C PAL-M TINT
58
Composite PAL-M tint setting
7
C PAL-M SHARPNESS
16
Composite PAL-M sharpness setting
8
C PAL-M APACONPEAK
2
Composite PAL-M apaconpeak setting
9
C PAL-M YNR LEVEL
LOW
Composite PAL-M YNR level setting
10
C PAL-M CDE
3
Composite PAL-M CDE level setting
11
C PAL-M SHR TRACKING
2
Composite PAL-M sharpness correction setting
12
C PAL-M C TRAP
0
Composite PAL-M C trap setting
13
C PAL-M H POS
0
Composite PAL-M horizontal position setting
12
1
C PAL-60 BRIGHT
133
Composite PAL-60 black level setting
2
C PAL-60 CONTRAST
70
Composite PAL-60 contrast setting
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