Power Supply Voltage Check (Pd-53 Board); Pnl-8V Adjustment (Pd-53 Board); Bright Adjustment (Pd-53 Board) -+++--+++++++++++++Ee - Sony Handycam Video8 CCD-FXT30V Service Manual

1.
Power Supply Voltage Check (PD-53 Board)
Mode
Measuring Instrument | Digital voltmeter
Measurement Point Pin @ of CNOO1
Specified Value 4.85 + 0.05 Vde
Pin ® af CNOOI
Specified Value 4.85 + 0.05 Vdc
2. PNL-8V Adjustment (PD-53 board)
and burst signal are tumed off
Adjusting method:
1) Adjust the voltage to specified value with RVO002.
3. EVR Initial Data Input
STOP
Adjusting method:
1) Release the protect.
Page: 1, address: 00, data: 01
2) Select page D, and input the data in the following table.
Note: To write in the nonvolatile memory (EEPROM),
press the PAUSE button of the adjusting remote
commander each time the data is set.
20 (BRIGHT
Bl
rpaGUBBRI.B) ———S=~iSC"'
ras (contrasy——Ss—=—~—é'idCSC'
rasa)
SSCSC~C—~'SC"C
ra7qvoom)
70
CD
mS
ee
BA (H. POSITION)
B8
7-10
4. Bright Adjustment (PD-53 board)
Oscilloscope
External trigger:
Pin © of IC005
Adjustment Address | BO (BRIGHT)
Specified Value A=4.6 + 0.1V
Adjusting method:
1) Release the protect.
Page: 1, address: 00, data: 01
Measuring Instrument
2) Change the data of page: D, address: BO, and adjust the
amplitude level (A) of the VG signal to the specified value.
Amplitude: Level difference between the reverse waveform
pedestal and non-reversed waveform pedestal.
3) Press the PAUSE button of the adjusting remote
commander.
1 Reverse waveform
pedestal
Non-reverse
waveform pedestal
|~——_— 2H
Fig. 7-3-33.