Memorex MT1125A, Руководство по обслуживанию

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ELECTRICAL ADJUSTMENTS
2-5: SUB BRIGHTNESS (AV)
1.
2.
3.
4.
5.
Receive the monoscope pattern. (Audio Video Input)
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control.
The Fig. 2-4 appears on the display.
Press the channel button (1) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the white 10% is starting to be visible.
1.
2.
3.
4.
5.
6.
7.
8.
Receive the color bar pattern. (RF Input)
Connect the synchro scope to pin 1 of CP101 and the
pin 6 (GND) of CP101.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control.
The Fig. 2-4 appears on the display.
Press the channel button (4) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-5.
Press the CH DOWN button once to set to "COLOR"
mode.
Adjust the LEVEL "A" section of Blue to the LEVEL "D"
section of White by pressing the VOL. UP/DOWN button
on the remote control. (Refer to Fig. 2-6)
If the LEVEL "A" section through "C" section are not the
same compared with "D" section, adjust the LEVEL again.
Fig. 2-5
2-6: SUB TINT/SUB COLOR (TV)
1.
2.
3.
4.
5.
6.
7.
8.
Receive the color bar pattern. (Audio Video Input)
Connect the synchro scope to pin 1 of CP101 and the
pin 6 (GND) of CP101.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control.
The Fig. 2-4 appears on the display.
Press the channel button (4) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-5.
Press the CH DOWN button once to set to "COLOR"
mode.
Adjust the LEVEL "A" section of Blue to the LEVEL "D"
section of White by pressing the VOL. UP/DOWN button
on the remote control. (Refer to Fig. 2-6)
If the LEVEL "A" section through "C" section are not the
same compared with "D" section, adjust the LEVEL again.
2-7: SUB TINT/SUB COLOR (AV)
2-8: FOCUS
1.
2. Receive an 80dB monoscope pattern.
Adjust the Focus Volume until picture is distinct.
2-9: VERTICAL POSITION
1.
2.
3.
Receive the color bar pattern.
Using the remote control, set the brightness and
contrast to normal position.
Adjust the VR401 until the horizontal line of the color
bar comes to approximate center of the CRT.
2-10: VERTICAL SIZE
1.
2.
3.
4.
5.
Receive the crosshatch pattern.
Using the remote control, set the brightness and
contrast to normal position.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (1) on the remote control.
The Fig. 2-7 appears on the display.
Press the channel button (3) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the center of crosshatch is square.
Fig. 2-7
1. H. PHASE
2. H. BLK
3. V. SIZE
4. V. POSI
5. V. LIN
6. V. SC
7. V. COMP
8. (H FREQ) 0. RETURN
D1-2
"D" "C" "B" "A"
Fig. 2-6