Aiwa TV-C1421, Руководство по обслуживанию

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A
B
2-6. OSD V 60 Adjustment of NTSC OSD vertical position
[TV / Measuring device setting]
Adjustment menu number
MENU2-6
Input signal NTSC cross hatch
SPEC A=B
MODE VIDEO
1. Input cross hatch signal with a pattern generator.
2. Adjust and equalize the distances indicated with A (the upper end to
mark)
and B (the lower end to mark). (Fig. 2-10)
5-3. Tuning adjustment
3-1. RFAGC Adjustment of RF AGC
[TV / Measuring device setting]
Adjustment menu number
MENU4-2
Input signal PAL color bar (FULLFIELD, WHITE 75%)
Input level : 64±0.5dBuV
Channel : 471.25MHz
Test point TU101 1PIN / RFAGC
SPEC 3.4±0.5VDC
MODE TUNER
1. Connect a digital voltmeter to the test point.
2. Input the specified input signal to RF ANT in order to receive 471.25MHz.
3. Use the or - key on the remote controller to adjust the voltage
level at test point to indicate 3.4±0.5V DC.
5-4. Adjustment of color and brightness
4-1. SCREEN Adjustment of screen
[TV / Measuring device setting]
Adjustment menu number
MENU3-2
Input signal PAL color bar (FULLFIELD, WHITE 75%)
Adjustment point T601 (FBT lower SFR)
SPEC WBC : 04H
HBC : 02H
MODE VIDEO
1. Start the adjustment mode screen, using the jig remote controller.
2. Set the BRIGHT value on PAGE 3-2 to 32H.
3. Press SLEEP key on the jig remote controller once to start the AGING mode.
4. Press the number key, “10” on the jig remote controller once to display the
SCREEN adjustment screen. (Fig. 4-1)
5. Adjust FBT lower SFR so that each data value becomes within the range
specified in SPEC.
6. Set the BRIGHT value on PAGE 3-2 to 20H.
Note: After adjustment, apply the BRIGHT adjustment of adjustment menu 3-2.
4-2. BRIGHT Adjustment of brightness
[TV / Measuring device setting]
Adjustment menu number
MENU3-2
Input signal PAL stair step
MODE VIDEO
1. Input stair step signal with a pattern generator.
2. Use the or - key on the remote controller to adjust and brighten
the second scale from the right slightly. (Fig. 4-2)
Fig.2-10 NTSC CROSS HATCH
Fig.4-1
Fig.4-2