Read Sharp LC-20C2E (serv.man2) Service Manual online
27
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
Page Item
MIN value MAX value Initial value Initial value Initial value Description
Servicing
for 13
for 15
for 20
· Audio adjustment (Equalizer, AVC, Carrier MUTE)
4
TV GEQ BAND1
-12
12
1.0
1.0
0.0
Equalizer setting 1 (TV)
Must not be changed.
TV GEQ BAND2
-12
12
0.0
1.0
0.0
Equalizer setting 2 (TV)
Must not be changed.
TV GEQ BAND3
-12
12
0.0
-1.0
1.0
Equalizer setting 3 (TV)
Must not be changed.
TV GEQ BAND4
-12
12
-1.5
-2.0
0.5
Equalizer setting 4 (TV)
Must not be changed.
TV GEQ BAND5
-12
12
-2.0
-2.0
-1.5
Equalizer setting 5 (TV)
Must not be changed.
EXT GEQ BAND1
-12
12
1.0
1.0
0.0
Equalizer setting 1 (composite)
Must not be changed.
EXT GEQ BAND2
-12
12
0.0
1.0
0.0
Equalizer setting 2 (composite)
Must not be changed.
EXT GEQ BAND3
-12
12
0.0
-1.0
1.0
Equalizer setting 3 (composite)
Must not be changed.
EXT GEQ BAND4
-12
12
-1.5
-2.0
0.5
Equalizer setting 4 (composite)
Must not be changed.
EXT GEQ BAND5
-12
12
-2.0
-2.0
-1.5
Equalizer setting 5 (composite)
Must not be changed.
AVC
OFF
OFF
OFF
AVC setting
Must not be changed.
CARRIER MUTE
ON
ON
ON
Audio output setting at the time of no
Must not be changed.
TV synchronization
IGR THR
12D
12D
12D
IGR determination level adjustment
Must not be changed.
(not used in B2U)
· Audio adjustment (pre-scale)
5
MSP DATA
0
0
0
Audio IC MSP data WRITE and READ
Must not be changed.
MSP DATA
WAIT
WAIT
WAIT
WRITE and READ execution
Must not be changed.
PRESCALE FM/AM-M
0
127
16
16
16
Pre-scale setting (TV)
Must not be changed.
PRESCALE FM/AM-B
8
8
8
Pre-scale setting (TV)
Must not be changed.
PRESCALE FM/AM-D
8
8
8
Pre-scale setting (TV)
Must not be changed.
PRESCALE FM/AM-I
8
8
8
Pre-scale setting (TV)
Must not be changed.
PRESCALE FM/AM-L
8
8
8
Pre-scale setting (TV)
Must not be changed.
PRESCALE NICAM
20
20
20
Pre-scale setting (TV)
Must not be changed.
PRESCALE SCART
0
127
13
13
13
Pre-scale setting (composite)
Must not be changed.
FSP TEST
OFF
OFF
OFF
For audio test (FSMUTE ON/OFF)
Must not be changed.
0018H ST
1D
1D
1D
Must not be changed.
ONTA
1
1
1
Must not be changed.
· Video adjustment (VPC setting)
6
I
2
C DATA
0
0
0
I
2
C BUS control IC data WRITE and READ
Must not be changed.
I
2
C DATA
WAIT
WAIT
WAIT
WRITE and READ execution
Must not be changed.
CBW
0
3
1
1
1
Chroma band pass setting
Must not be changed.
NOSEL
0
3
3
3
3
Comb filter setting
Must not be changed.
DDR
0
3
0
0
1
Comb filter setting
Must not be changed.
HDG
0
3
2
2
3
Comb filter setting
Must not be changed.
VDG
0
3
1
1
0
Comb filter setting
Must not be changed.
VPK
0
15
3
3
0
Comb filter setting
Must not be changed.
KILVL 08
0
8
8
8
Color killer level setting
Must not be changed.
KILHY 05
0
5
5
5
Color killer hysteresis setting
Must not be changed.
VSYNC DELAY
0
255
7
7
7
V synchronous phase setting
Must not be changed.
DVCO
-2048
2047
-720
-720
-720
DVCO setting
Must not be changed.
AUTO LCK
0
4094
1
1
1
Line lock mode setting
Must not be changed.
· Video adjustment (NTSC) for DVD
7
VPC DATA
0
0
0
Video IC VPC data WRITE and READ
Must not be changed.
VPC DATA
WAIT
WAIT
WAIT
WRITE and READ
Must not be changed.
TEST PATTERN
0
0
0
VPC test pattern selection
Refer to the adjustment process
mode test pattern.
mode test pattern.
AUTO LDLY
-7
1
-2
-2
0
Automatic Y/C phase setting
Must not be changed.
DVD NTSC CR
0
63
25
25
25
Color intensity setting initial value
Must not be changed.
(component)
DVD NTSC CB
0
63
28
28
25
Color intensity setting initial value
Must not be changed.
(component)
DVD NTSC TINT
-31
31
7
7
7
Tint setting initial value (component)
Must not be changed.
DVD NTSC BRIGHTNESS
-128
127
64
64
68
Brightness setting initial value
Must not be changed.
(component)
DVD NTSC CONTRAST
0
63
28
28
26
Video setting initial value (component)
Must not be changed.
DVD NTSC P FILTER
0
2
0
0
0
Peaking filter setting (component)
Must not be changed.
DVD NTSC H-PEAKING
0
7
3
3
3
Image quality setting initial value
Must not be changed.
(component)
DVD NTSC BRIGHT2
-128
127
9
8
8
Brightness setting 2 initial value
Must not be changed.
(component)
DVD NTSC CONTRAST2
0
63
48
48
48
Tint setting 2 initial value (component)
Must not be changed.
Click on the first or last page to see other LC-20C2E (serv.man2) service manuals if exist.