Aiwa TV-SE141 Service Manual page 16

1-3. OSD H OSD Horizontal Positioning Adjustment
PAL
Adjustment Menu No. 16 (Page 1-4)
Input signal : Crosshatch
Measuring instrument : Pattern generator / PAL
• Use the volume keys on the jig remote controller to adjust each A and B positions
on both left and right in the equal distance towards the screen edge in the OSD
display. A = B (Fig. 1-3)
NTSC
Adjustment Menu No. 88
Input signal : Crosshatch
Measuring instrument : Pattern generator / NTSC
• Use the "CHANNEL" key to scroll through the adjustment menu and select
No.88. To adjust, follow the same procedure as PAL.
1-4. OSD V OSD Vertical Positioning Adjustment
PAL
Adjustment Menu No. 94
Input signal : Crosshatch
Measuring instrument : Pattern generator / PAL
• Use the "CHANNEL" key to scroll through the adjustment menu screen and select
No.94.
• Using the volume keys on the jig remote controller, adjust A and B on both top and
bottom shown in the OSD screen to be equidistant from the screen edges. A = B
(Fig. 1-4)
NTSC
Adjustment Menu No. 89
Input signal : Crosshatch
Measuring instrument : Pattern generator / NTSC
• Use the "CHANNEL" key to scroll through the adjustment menu and select No. 89.
To adjust, follow the same procedure as PAL.
1-5. PIF VCO Video IF • VCO Adjustment
Adjustment Menu No.17 (Page 1-5)
Input signal : No signal
Test point : IC301 1 PIN
• Use volume keys on the jig remote controller and adjust the test point voltage value
to 2.5 ± 0.5VDC.
1-6. RF AGC RF - AGC
Adjustment Menu No.18 (Page 1-6)
Input signal : Color bar (ANT RF - INPUT)
Input signal : fp = 471.25MHz
Test point : TP101 (TU101 1 PIN) RF AGC
Measuring instrument : Oscilloscope
1. Connect oscilloscope to the test poit.
2. Using the volume keys on the jig remote controller, adjust the test point voltage value
to 3.3±0.2VDC.
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