Battery End Check (Vc-227 Board) - Sony DCR-PC100 Service Manual

3. Battery End Check (VC-227 board)

Check the battery end voltage.
Mode Camera recording
Subject Arbitrary
Switch setting
1) AUTO FOCUS ................................................................. OFF
2) LCD screen ....................................................... OFF (Closed)
3) REC LAMP (Menu display) ............................................. ON
Connection:
1) Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-3-4.
Adjusting method:
1) Adjust the output voltage of the regulated power supply so that
the digital voltmeter display is 6.0 ± 0.1Vdc.
2) Turn off the power supply.
3) Turn on the HOLD switch of the adjustment remote
commander.
4) Turn on the power supply.
5) Load a cassette, and set to the camera recording mode.
6) Check that the REC LAMP is lit continuously.
7) Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 5.50 ± 0.01Vdc.
8) Check that the REC LAMP blinks at 0.8 Hz.
Regulated power supply
5.50 ± 0.01 Vdc
Digital voltmeter
Fig. 5-3-4.
5-44