Ir Video Deviation Adjustment; Ir Audio Deviation Adjustment - Sony DCR-PC10 Service Manual

3-6-3.

IR Video Deviation Adjustment

Purpose: Adjusts deviation when modulating the video
signal.
Adjustment Error: Too bright or too dark overall picture. Over
modulation picture. (If deviation is too wide,
or too narrow.)
Mode CAM-STANDBY
Signal Internal test pattern (White 75%)
Measurement Point • VIDEO OUTPUT terminal of IR
receiver jig (Terminated in 75 )
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 91
Specification Value A=0.80 ± 0.04 Vp-p
Adjustment procedure:
Order Page Address
1 0 01
2 2 12
3 D 91
4
5 2 12
6 0 01
3-6-4.

IR Audio Deviation Adjustment

Purpose:
Adjusts deviation when modulating the audio
signal.
Adjustment Error: Loss of tape inner change ability.
Mode CAMERA-EE
Signal EXT MIC terminal (L-ch and R-ch) of
the I/O board-1 jig 400Hz, –66dBs
Measurement Point AUDIO output terminal (L/R) of IR
receiver jig
Measuring Instrument Audio level meter
Adjustment Page D
Adjustment Address 92
Specification Value Signal level: –7.5 + 1.0dBs
Right and left level difference: 2dB or
below
Adjustment procedure:
Order Page Address
1 0 01
2
3 D 92
4
5
6 0 01
Data
01 Set the data. (Preparation)
20 After setting the data, press the PAUSE button.
Change data using PLAY and STOP buttons so that the Y signal level (A) satisfies the
specification.
Press the PAUSE button.
00 After setting the data, press the PAUSE button.
00 Set the data. (End)
Data
01 Set the data. (Preparation)
Input the audio signal of 400 Hz, –66dBs to the EXT MIC terminal (L-ch and R-ch) of
the I/O board-1 jig.
Press the PLAY and STOP buttons until the audio signal level of both L-ch and R-ch
satisfies the specifications.
Press the PAUSE button.
Confirm the 400Hz audio signal level and right and left difference level meet the
specification value. When they are out of specification, repeat from the item 2).
00 Set the data. (End)
Procedure
Procedure
5-61
H
Fig. 5-3-16
A