Psig Gray Adjustment (Pd-166 Board); Contrast Adjustment (Pd-166 Board) - Sony DCR-PC101E Service Manual

4. PSIG GRAY Adjustment (PD-166 board)

Set the PSIG signal level for driving the LCD to the specified
value.
Mode CAMERA
Subject Not required
Measurement Point Pin 6 of CN803 (PSIG)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 66
A = 5.00 ± 0.1 Vp-p
Specified Value
Note: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1 0 01 01
2 C 66
3 C 66
4 0 01 00
2H
A: Amplitude of PSIG signal
Fig. 5-1-20
Procedure
Change the data and set the
voltage (A) to the specified
value.
Press PAUSE button.
A

5. Contrast Adjustment (PD-166 board)

Set the video signal level for driving the LCD to the specified
value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1 0 01
2 C 69
3 C 69
4 0 01
3 steps peak
A
Pedestal
A: Between the pedestal and 3 steps peak
5-39
DCR-PC101/PC101E
CAMERA
Not required
Pin 1 of CN803 (VG)
Oscilloscope
C
69
A = 2.90 ± 0.05 Vp-p
Procedure
01
Change the data and set the
voltage (A) to the specified
value. (The data should be
"00" to "7F")
Press PAUSE button.
00
2H
Fig. 5-1-21