Memorex MVD2113 Service Manual page 83

2-15: OSD CONTRAST
1. Receive the monoscop pattern.
2. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (02) on the remote control to
select "OSDC".
3. Check the step No. OSDC is "05".
2-16: COLOR CENTER
1. Receive the color bar pattern. (RF Input)
2. Using the remote control, set the brightness, contrast,
color and tint to normal position.
3. Connect the oscilloscope to TP022.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "COLC".
5. 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.
6. Press the LEFT/RIGHT button on the remote control
until the red color level is adjusted to 110 ± 5% of the
white level. (Refer to Fig. 2-3)
7. Receive the color bar pattern. (Audio Video Input)
8. Press the INPUT SELECT button on the remote control
to set to the AV mode.
9. Using the remote control, set the brightness, contrast,
color and tint to normal position.
10. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (36) on the remote control to
select "COLCA".
11. 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.
12. Press the LEFT/RIGHT button on the remote control
until the red color level is adjusted to 110 ± 5% of the
white level. (Refer to Fig. 2-3)
13. Press the TV/DVD button on the remote control to set
to the DVD mode.
14. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (48) on the remote control to
select "COLCD".
15. Press the LEFT/RIGHT button on the remote control to
decrease the step numbers by 8 steps to the AV.
White 100%
ELECTRICAL ADJUSTMENTS
White 0%
100%
Red Level
Fig. 2-3
2-17: CONTRAST MAX
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "CNTX".
Press the LEFT/RIGHT button on the remote control
2.
until the contrast step No. becomes "5A"
3. Receive a broadcast and check if the picture is normal.
4. 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
5.
press the channel button (34) on the remote control to
select "CNTXA".
6. Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "5A"
Receive a broadcast and check if the picture is normal.
7.
8. Press the TV/DVD button on the remote control to set to
the DVD mode.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (46) on the remote control to
select "CNTXD".
10. Press the LEFT/RIGHT button on the remote control to
set the same step numbers as the AV.
11. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (58) on the remote control to
select "CNTXG".
12. Press the LEFT/RIGHT 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.
NO. FUNCTION
05 H BLK L
06 H BLK R
10 V S CORRECTION
11 V COMP
16 G DRIVE
19 BRIGHTNESS(MAX)
20 BRIGHTNESS(MIN)
21 CONTRAST(CENT.)
23 CONTRAST(MIN)
25 COLOR(MAX)
26 COLOR(MIN)
29 SUB BIAS
31 BRI. AV(MAX)
32 BRI. AV(MIN)
33 CONT. AV(CENT.)
35 CONT. AV(MIN)
37 COL. AV(MAX)
38 COL. AV(MIN)
41 SUB BIAS
43 BRI. DVD(MAX)
44 BRI. DVD(MIN)
45 CONT. DVD(CENT.)
D-4
STEP NO NO FUNCTION
. .
04 47 CONT. DVD(MIN)
02 49 COL. DVD(MAX)
08 50 COL. DVD(MIN)
03 53 SUB BIAS
07 55 BRI. GAME(MAX)
70 56 BRI. GAME(MIN)
33 57 CONT. GAME(CENT.)
40 59 CONT. GAME(MIN)
05 60 SUB BIAS
70 61 TUNING V MUTE
10 62 POWER ON V MUTE
00 68 H FREQ
70 69 BAST/WEST DC
33 70 BAST/WEST AMP
40 71 BAST/WEST TILT
05 72 BAST/WEST COR, TOP
70 73 BAST/WEST COR, BOT
10 74 H SIZE COMP
00 75 H BLK L AV
70 76 H BLK R AV
33
40
STEP NO
.
05
70
10
00
70
33
40
05
00
00
40
3F
00
00
00
00
00
00
07
05