Read Sony DCR-TRV320 / DCR-TRV320E / DCR-TRV320P / DCR-TRV420E / DCR-TRV520 / DCR-TRV520E / DCR-TRV520P / DCR-TRV525 / DCR-TRV620E / DCR-TRV720 / DCR-TRV720E (serv.man3) Service Manual online
– 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.
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
A=6.10
±
0.05 Vp-p
(3.5 LCD TYPE S model)
A=5.40
A=5.40
±
0.05 Vp-p
(2.5 LCD TYPE C 61 k model)
A=5.50
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
A=6.33
±
0.05 Vp-p
(2.5 LCD TYPE S 123 k model,
3/4 LCD TYPE S model)
A=6.10
3/4 LCD TYPE S model)
A=6.10
±
0.05 Vp-p
(3.5 LCD TYPE S model)
A=5.05
A=5.05
±
0.05 Vp-p
(2.5 LCD TYPE C 61 k model)
A=5.50
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)
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.
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
Click on the first or last page to see other DCR-TRV320 / DCR-TRV320E / DCR-TRV320P / DCR-TRV420E / DCR-TRV520 / DCR-TRV520E / DCR-TRV520P / DCR-TRV525 / DCR-TRV620E / DCR-TRV720 / DCR-TRV720E (serv.man3) service manuals if exist.