– 11 –
DCR-TRV320/TRV320E/TRV320P/TRV420E/TRV520/TRV520E/TRV520P/TRV525
TRV620E/TRV720/TRV720E
1-6.
LCD SYSTEM ADJUSTMENTS
6. COM AMP Adjustment (PD-117/118 board)
(Service manual page 5-36)
Set the common electrode drive signal level of LCD to the specified
value.
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin
4
of CN5502 (PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
A7
Specified Value
NTSC model
A=6.33
±
0.05 Vp-p
(2.5/3/4 LCD TYPE S model)
A=6.10
±
0.05 Vp-p
(3.5 LCD TYPE S model)
A=5.40
±
0.05 Vp-p
(2.5 LCD TYPE C 61 k model)
A=5.50
±
0.05 Vp-p
(3.5/4 LCD TYPE C model)
PAL model
A=6.00
±
0.05 Vp-p
(2.5 LCD TYPE S 61 k model)
A=6.33
±
0.05 Vp-p
(2.5 LCD TYPE S 123 k model,
3/4 LCD TYPE S model)
A=6.10
±
0.05 Vp-p
(3.5 LCD TYPE S model)
A=5.05
±
0.05 Vp-p
(2.5 LCD TYPE C 61 k model)
A=5.50
±
0.05 Vp-p
(3.5/4 LCD TYPE C model)
Note 1:
NTSC model: DCR- TRV320/TRV320P/TRV520/
TRV520P/TRV525/TRV720
PAL model: DCR- TRV320E/TRV420E/TRV520E/
TRV620E/TRV720E
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: A7, change the data and set the PANEL
COM signal level (A) to the specified value.
3)
Press the PAUSE button.
4)
Select page: 0, address: 01, and set data: 00.
Fig. 5-1-27
A
2H
SECTION 5
ADJUSTMENTS