Memorex MVD2113, Service Manual

Page: 27 / 116

ELECTRICAL ADJUSTMENTS
D-4
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
2-16: COLOR CENTER
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Connect the oscilloscope to TP022.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "COLC".
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110
±
5% of the
white level. (Refer to Fig. 2-3)
Receive the color bar pattern. (Audio Video Input)
Press the INPUT SELECT button on the remote control
to set to the AV mode.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (36) on the remote control to
select "COLCA".
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110
±
5% of the
white level. (Refer to Fig. 2-3)
Press the TV/DVD button on the remote control to set
to the DVD mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (48) on the remote control to
select "COLCD".
Press the VOL. UP/DOWN button on the remote control
to decrease the step numbers by 8 steps to the AV.
Fig. 2-3
100%
White 0%
Red Level
White 100%
1.
2.
3.
Receive the monoscop pattern.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (02) on the remote control to
select "OSDC".
Check the step No. OSDC is "03".
2-15: OSD CONTRAST 2-17: CONTRAST MAX
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "CNTX".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "5A"
Receive a broadcast and check if the picture is normal.
Press the INPUT SELECT button on the remote control
to set to the AV mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (34) on the remote control to
select "CNTXA".
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "5A"
Receive a broadcast and check if the picture is normal.
Press the TV/DVD button on the remote control to set to
the DVD mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (46) on the remote control to
select "CNTXD".
Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV.
2-18: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
STEP NO
.
04
02
08
03
07
70
2A
40
10
70
10
00
70
2A
40
10
70
10
00
70
2A
40
STEP NO
.
10
70
10
00
70
2A
40
10
00
00
40
3F
00
00
00
00
00
00
07
05
NO.
05
06
10
11
16
19
20
21
23
25
26
29
31
32
33
35
37
38
41
43
44
45
FUNCTION
CONT. DVD(MIN)
COL. DVD(MAX)
COL. DVD(MIN)
SUB BIAS
BRI. GAME(MAX)
BRI. GAME(MIN)
CONT. GAME(CENT.)
CONT. GAME(MIN)
SUB BIAS
TUNING V MUTE
POWER ON V MUTE
H FREQ
BAST/WEST DC
BAST/WEST AMP
BAST/WEST TILT
BAST/WEST COR, TOP
BAST/WEST COR, BOT
H SIZE COMP
H BLK L AV
H BLK R AV
NO
.
47
49
50
53
55
56
57
59
60
61
62
68
69
70
71
72
73
74
75
76
FUNCTION
H BLK L
H BLK R
V S CORRECTION
V COMP
G DRIVE
BRIGHTNESS(MAX)
BRIGHTNESS(MIN)
CONTRAST(CENT.)
CONTRAST(MIN)
COLOR(MAX)
COLOR(MIN)
SUB BIAS
BRI. AV(MAX)
BRI. AV(MIN)
CONT. AV(CENT.)
CONT. AV(MIN)
COL. AV(MAX)
COL. AV(MIN)
SUB BIAS
BRI. DVD(MAX)
BRI. DVD(MIN)
CONT. DVD(CENT.)