Sharp LC-150M2E (serv.man2) Service Manual ▷ View online
9
LC-121M2E
LC-150M2E
LC-150M2E
LC-121M2E
LC-150M2E
LC-150M2E
4
PAL/SECAM OSC
0
255
128
PAL BRIGHTNESS
0
255
170
PAL UNICOLOR
0
127
80
PAL SCOLOR
0
31
25
PAL TINT
0
127
74
BELL F0
0
255
120
B-Y BLACK LEVEL
0
15
8
R-Y BLACK LEVEL
0
15
8
SECAM BRIGHTNESS
0
255
170
SECAM UNICOLOR
0
127
80
SECAM COLOR
0
127
75
SECAM TINT
0
127
74
5
DVD NT BRIGHTNESS
0
255
170
DVD NT UNICOLOR
0
127
80
DVD NT COLOR
0
127
75
DVD NT TINT
0
127
74
DVD NT R-YPHASE
0
3
2
DVD NT B-YPHASE
0
3
3
DVD PAL BRIGHTNESS
0
255
170
DVD PAL UNICOLOR
0
127
80
DVD PAL COLOR
0
127
75
DVD PAL TINT
0
127
74
I
2
C DATA
000000
I
2
C DATA
WAIT
WAIT/SEND
6
TEST PATTERN
OFF
ON/OFF
G/A DATA
0000
G/A DATA
WAIT
WAIT/SEND
DIGITAL SYNC SEP.
0
FF
87
Fixed
AV NTSC H
0
7F
18
Fixed
DVD NTSC H
0
7F
1C
Fixed
AV PAL H
0
7F
11
Fixed
DVD PAL H
0
7F
15
Fixed
AV SECAM H
0
7F
0E
Fixed
NT/PALM V
1
1F
0C
Fixed
PAL V
1
1F
0B
Fixed
SECAM V
1
1F
0B
Fixed
7
N443 R-YPHASE
0
3
2
Fixed
N443 B-YPHASE
0
3
1
Fixed
PAL R-YPHASE
0
3
2
Fixed
PAL B-YPHASE
0
3
1
Fixed
PAL-M R-YPHASE
0
3
2
Fixed
PAL-M B-YPHASE
0
3
1
Fixed
SECAM R-YPHASE
0
3
2
Fixed
SECAM B-YPHASE
0
3
1
Fixed
DVD PAL R-YPHASE
0
3
2
Fixed
DVD PAL B-YPHASE
0
3
1
Fixed
COLOR
0
127
60
Fixed
SCONT
0
31
18
Fixed
10
LC-121M2E
LC-150M2E
LC-150M2E
LC-121M2E
LC-150M2E
LC-150M2E
5-6. Service Adjusting
5-6-1. Basic Adjustment
Adjustment
Adjusting conditions
Adjusting method
1
+B Adjustment
1. Connect the DC voltmeter to
1. Adjust +B-ADJ to 5.1V
±
0.05V.
TP1104
( DAC 9ch )
2
Model setup
1. Make sure that M2H has been set.
When M2H is selected, the item
(Not setting M2E)
settings are as follows.
TUNER
OFF
AUDIO MULTIPLEX
OFF
BOOSTER
0
SYSTEM
AUTO
COPY GUARD
ON
CH MEMORY
OFF
SECAM
ON
MULTI LANG.
OFF
TIMER
OFF
3
Counter-bias adjustment
1. Set the AV1 mode to set signal
1. Adjust COM so as to minimize the
noninput state.
waveform peak-peak.
2. Fit the specified adjusting instrument
(DAC7ch)
to the screen center.
3. Observe the adjusting instrument
output on the oscilloscope.
4
NTSC / PAL-MOSC
1. Input the monoscope pattern of
1. Adjust NTSC/PALM OSC so as to
adjustment
NTSC into AV1.
get the normal screen.
(DAC8ch)
8
DAC 2 1ch
0
255
0
Fixed
DAC 2 2ch
0
255
0
Fixed
DAC 2 3ch
0
255
0
Fixed
DAC 2 4ch
0
255
0
Fixed
DAC 2 5ch
0
255
0
Fixed
DAC 2 6ch
0
255
0
Fixed
DAC 2 7ch
0
255
0
Fixed
DAC 2 8ch
0
255
0
Fixed
DAC 2 9ch
0
255
0
Fixed
DAC 2 10ch
0
255
0
Fixed
DAC 2 11ch
0
255
0
Fixed
DAC 2 12ch
0
255
0
Fixed
11
LC-121M2E
LC-150M2E
LC-150M2E
LC-121M2E
LC-150M2E
LC-150M2E
5-6-2. AV input Adjustment
Adjustment
Adjustment conditions
Adjustment method
1
Brightness adjustment
1. Input the standard colour bar signal
1. Adjust N358 BRIGHTNESS, and
(N358)
(the same pattern as that of JPN-8CH)
adjust the black level of G output so
of N358 into AV1.
as to get DC 1.5
±
0.05V.
2. Connect the oscilloscope to TP821
(IC803, pin7, G output).
2
R-cut off adjustment
1. Input the standard colour bar signal
1. Adjust R CUTOFF so as to equalize
(the same pattern as that of JPN-8CH)
the black levels of green and red.
of N358 into AV1.
2. Connect the oscilloscope to TP821
(IC803, pin7, G output).
3. Connect the oscilloscope to TP819
(IC803, pin1, R output).
3
B-cut off adjustment
1. Input the standard colour bar signal
1. Adjust B CUTOFF so as to equalize
(the same pattern as that of JPN-8CH)
the black levels of green and blue.
of N358 into AV1.
2. Connect the oscilloscope to TP821
(IC803, pin7, G output).
3. Connect the oscilloscope to TP820
(IC803, pin8, B output).
4
Unicolor adjustment
1. Input the standard colour bar signal
1. Adjust N358UNICOLOR, and
(N358)
(the same pattern as that of JPN-
adjust so as to get 100% white-
8CH) of N358 into AV1.
black level video component equal
2. Connect the oscilloscope to TP821
to 2.3
±
0.05Vp-p.
(IC803, pin7, G output).
5
R DRIVE adjustment
1. Input the standard colour bar signal
1. Adjust so as to get 100% white level
(the same pattern as that of JPN-
identical with that of green.
8CH) of N358 into AV1.
2. Connect CH1 of oscilloscope to
TP821 (G output).
3. Connect CH2 of oscilloscope to
TP819 (R output).
12
LC-121M2E
LC-150M2E
LC-150M2E
LC-121M2E
LC-150M2E
LC-150M2E
6
B DRIVE adjustment
1. Input the standard colour bar signal
1. Adjust so as to get 100% white level
(the same pattern as that of JPN-
identical with that of green.
8CH) of N358 into AV1.
2. Connect CH1 of oscilloscope to
TP821 (G output).
3. Connect CH2 of oscilloscope to
TP820 (B output).
7
Colour level adjustment
1. Input the standard colour bar signal
Adjust N358 SCOLOR so as to get the
(N358)
(the same pattern as that of JPN-
colour bar signal blue amplitude
8CH) of N358 into AV1.
(black level - peak level) equal to 2.0V
2. Connect the oscilloscope to TP820
±
0.05Vp-p.
(B output).
8
Tint adjustment
1. Input the standard colour bar signal
1. Adjust N358TINT so as to get the
(N358)
(the same pattern as that of JPN-
colour bar signal magenta amplitude
8CH) of N358 into AV1.
(black level-peak level) equal to 1.7V
2. Connect the oscilloscope to TP820
±
0.05Vp-p.
(B output).
9
N443/PAL-M adjustment
1. Position the cursor on DATA COPY
1. The indication changes from WAIT
and press VOL key.
to SEND, and after the lapse of one
second WAIT is restored. Thus, N443,
PAL-M adjustment is completed.
10
4V adjustment
1. Connect the DC voltmeter to TP1110
1. Adjust R-ADJ to 4.0V
±
0.05V.
(DAC 6ch)
11
PAL/SECAM OSC
1. Input the monoscope pattern of PAL
1. Adjust PAL/SECAM OSC so as to
adjustment
into AV1.
get the normal screen.
(DAC8ch)
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