SONY XTP50V
Manual de Servicio

XT-P50V 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 status. 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 wireless 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)

SECTION 3 ELECTRICAL ADJUSTMENTS
DIVERSITY VCO FREQUENCY ADJUSTMENT Connection:
frequency counter + �

TP130 TV Tuner Unit (XT-P50V)

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 OSD ADJUSTMENT Connection:
INPUT VIDEO jack (J104) PAL pattern generator TV Tuner Unit (XT-P50V)

*) RM-X118 (Part No. 1-477-110-22) is wireless remote commander which is an accessory of XAV-7W.

TP139 oscilloscope

+ �

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.

1.5 ± 0.1 Vp-p

DC 0V

Adjusting and Connnecting Location: HIDEAWAY Board

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