Aiwa VX-F21DV1, Service Manual

Page: 48 / 52

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SUB TINT Adjustment
Input signal: Color bars (full field, white/75%)
Measuring equipment: Oscilloscope, pattern generator (Leader 408NPS)
Test point:
CN901 pin-3
Adjustment point: Adjustment menu PAGE 3-3
Adjustment method: Connect an oscilloscope to CN901. Adjust the SUB TINT so that the magenta line and the blue line are
aligned to a single straight line using the jig remote controller VOLUME UP/DOWN keys.
TV Setting Data
Contents of the TV setting data are fixed to the respective models.
Do not make any settings other than what are specified below.
Confirm that the contents of the adjustment menu are identical to the following table.
If the contents of the adjustment menu are not the same as what are shown in the above table, return the contents to what are
shown in the table using the VOLUME UP/DOWN keys of the jig remote controller.
ATT Adjustment
Input signal: RF input
Input level: 60 dBµ, P/S 7 dB
Channel: Not specified
Video: Not specified
Audio: 100 Hz (Monaural)
Modulation degree: Video 87.5%, audio 100% (±25 kHz deviation)
Measuring equipment: Pattern generator, NTSC US MPX, VTVM
Test point:
IC701 pin-2
Adjustment point: Adjustment menu PAGE 5-1
Adjustment method: Adjust ATT so that the voltage at IC701 pin-2 beomces 490 mV±20 mV rms using the VOLUME UP/DOWN
keys of the jig remote controller.