Sony CCD TRV16 Service Manual - Page 113

V-COM Adjustment PD-107 board, Note1, Color Adjustment PD-107 board

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6. V-COM Adjustment (PD-107 board) Set the common electrode drive signal level of LCD to the specified value. Mode Signal Measurement point Measuring instrument Adjustment page Adjustment address Specified value VTR stop No signal Pin 4 of CN5501 (PANEL COM) of PD-107 board Oscilloscope E D5 A = 6.50 ± 0.05V 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. A 7. Color Adjustment (PD-107 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 VTR stop No signal Pin 3 of CN5501 (VG) of PD-107 board External trigger : Pin 4 of CN5501 (PANEL COM) Oscilloscope E D0 A = 0.07 ± 0.05V 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) Select page: 3, address: 01, set data: 00, and press the PAUSE button of the adjusting remote commander. 7) Select page: 2, address: 7D, and set data: 00. 8) Select page: 0, address: 01, and set data: 00. White A Green 2H Fig. 5-1-26. 2H Fig. 5-1-27.

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6. V-COM Adjustment (PD-107 board)
Set the common electrode drive signal level of LCD to the specified
value.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
4
of CN5501
(PANEL COM) of PD-107 board
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D5
Specified value
A = 6.50 ± 0.05V
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.
7. Color Adjustment (PD-107 board)
Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
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)
Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7)
Select page: 2, address: 7D, and set data: 00.
8)
Select page: 0, address: 01, and set data: 00.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
3
of CN5501 (VG) of PD-107
board
External trigger : Pin
4
of CN5501
(PANEL COM)
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D0
Specified value
A = 0.07 ± 0.05V
Fig. 5-1-27.
Fig. 5-1-26.
White
Green
A
2H
A
2H