V-Com Level Adjustment (Pd-92/93 Board); Color Adjustment (Pd-92/93 Board) - Sony CCD-TRV15 Service Manual

6. V-COM Level Adjustment (PD-92/93 board)

Set the common electrode drive signal level of LCD to the specified
value.
Mode VTR stop
Signal No signal
Pin 4 of CN5501/CN4501
Measurement point
(PANEL COM) of PD-92/93 board
Measuring instrument Oscilloscope
Adjustment page E
Adjustment address D5
A = 6.50 ± 0.05V
Specified value
(LCD TYPE S NTSC model)
A = 6.43 ± 0.05V
(LCD TYPE S PAL model)
A = 5.10 ± 0.05V
(LCD TYPE C model)
Note1 : Perform "Bright Adjustment" and "Contrast Adjustment"
before this adjustment.
Note2 : LCD TYPE S model : CCD-TRV35/ TRV35E/ TRV65/
LCD TYPE C model : CCD-TRV15/ TRV15PK/ TRV15E/
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. 5-1-26.
TRV65PK/ TRV93/ TRV615
TRV15EP/ TRV25/ TRV25PK/
TRV85/ TRV215/ TRV815
A

7. Color Adjustment (PD-92/93 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: 2.5" LCD TYPE S NTSC model :
CCD-TRV35/ TRV65/ TRV65PK/ TRV615
2.5" LCD TYPE S PAL model : CCD-TRV35E
2.5" LCD TYPE C NTSC model :
CCD-TRV15/ TRV15PK/ TRV25/ TRV25PK/
TRV215
2.5" LCD TYPE C PAL model : CCD-TRV15E/ TRV15EP
3" LCD TYPE S model : CCD-TRV93
3.5" LCD TYPE C model : CCD-TRV85/ TRV815
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.
8) Select page: 2, address: 7D, and set data: 00.
9) Select page: 0, address: 01, and set data: 00.
White
Green
A
5-32
VTR stop
No signal
Pin 3 of CN5501/4501 (VG) of PD-
92/93 board
External trigger : Pin 4 of CN5501/
CN4501 (PANEL COM)
Oscilloscope
E
D0 (NTSC)
D0, D9 (PAL)
2.5" LCD TYPE S model :
A = 0.05 ± 0.05V (NTSC)
A = 0.13 ± 0.05V (PAL)
2.5" LCD TYPE C model :
A = 0.00 ± 0.05V (NTSC)
A = 0.05 ± 0.05V (PAL)
3" LCD TYPE S model :
A = 0.05 ± 0.05V (NTSC)
3.5" LCD TYPE C model :
A = 0.07 ± 0.05V (NTSC)
2H
Fig. 5-1-27.