V-Com Level Adjustment (Pd-93 Board); Color Adjustment (Pd-93 Board) - Sony Handycam Vision CCD-TRV89E Service Manual

6. V-COM Level Adjustment (PD-93 board)

Set the common electrode drive signal level of LCD to the specified
value.
Mode VTR stop
Signal No signal
Pin 4 of CN4501 (PANEL COM) of
Measurement point
PD-93 board
Measuring instrument Oscilloscope
Adjustment page E
Adjustment address D5
A = 6.70 ± 0.05V
Specified value
Note1 : Perform "Bright Adjustment" and "Contrast Adjustment"
before this adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 00.
4) Select page: E, address: D5, change the data and set the PANEL
COM signal level (A) to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 0, address: 01, and set data: 00.
2H
Fig. 5-1-25.

7. Color Adjustment (PD-93 board)

Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
Mode
Signal
Measurement point
Measuring instrument
Adjustment page
Adjustment address
Specified value
Note1: NTSC model: CCD-TRV95/TRV95PK/TRV99
PAL model: CCD-TRV89E/TRV95E/TRV99E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 57, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 20.
4) Select page: E, address: D0, change the data and set the voltage
(A) between the green and white to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Only for PAL model, select page: E, address: D9, and set the
same data as page: E, address: D0, and press the PAUSE button
of the adjusting remote commander.
7) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
A
8) Select page: 2, address: 7D, and set data: 00.
9) Select page: 0, address: 01, and set data: 00.
A
5-31
VTR stop
No signal
Pin 3 of CN4501 (VG) of PD-93
board
External trigger : Pin 4 of CN4501
(PANEL COM)
Oscilloscope
E
D0 (NTSC)
D0, D9 (PAL)
A = 0.03 ± 0.05V (NTSC)
A = 0.08 ± 0.05V (PAL)
White
Green
2H
Fig. 5-1-26.