5
XT-P50V
OSD ADJUSTMENT
Connection:
Adjusting Method:
1. Connect the PAL pattern generator to the INPUT VIDEO jack
(J104) on the HIDEAWAY board.
2. Connect the oscilloscope to the TP139 on the HIDEAWAY
board.
3. Adjust the RV100 on the HIDEAWAY board so that the clamp
voltage of the waveform on the oscilloscope becomes 1.5
±
0.1 V.
Adjusting and Connnecting Location: HIDEAWAY Board
SECTION 3
ELECTRICAL ADJUSTMENTS
DIVERSITY VCO FREQUENCY ADJUSTMENT
Connection:
Adjusting Method:
1. Connect the TP131 and GND on the HIDEAWAY board with
to activate the test mode.
2. Connect the frequency counter to the TP130 on the
HIDEAWAY board.
3. Adjust the CT100 on the HIDEAWAY board so that the value
of the frequency counter becomes 15.625
±
0.02 kHz.
Adjusting and Connnecting Location: HIDEAWAY Board
+
–
TP130
TV Tuner Unit
(XT-P50V)
frequency
counter
+
–
PAL pattern
generator
TP139
TV Tuner Unit
(XT-P50V)
oscilloscope
INPUT
VIDEO jack
(J104)
SECTION 2
TEST MODE
MICROPROCESSOR VERSION CHECK
Checking Method:
1. Set TV SYSTEM switch of XT-P50V to 2.
2. Connect XAV-7W and turn on the power for OFF screen sta-
tus.
3. Press the preset
[4]
button on the wireless remote commander
(RM-X118*) , press the preset
[5]
button next, then press the
preset
[2]
button for more than 2 seconds.
4. Switch mode of TV1, press the preset
[6]
button on the wire-
less remote commander (RM-X118*) to call No.6.
5. “21ch” is displayed on upper right of the screen and version of
the microprocessor is indicated below.
Note:
When the power is turned off after the above is executed (just after
turning off, reset is executed), both SONY BUS connected/SONY
BUS disconnected status become initialized status. (TV ch becomes
factory shipping setting)
*) RM-X118 (Part No. 1-477-110-22) is wireless remote com-
mander which is an accessory of XAV-7W.
1.5
±
0.1 Vp-p
DC 0V
