Read Sony DSC-T1 (serv.man2) Service Manual online
6-12
DSC-T1
1-3.
VIDEO SYSTEM ADJUSTMENTS
1. Video Output Level Adjustment (SY-95 board)
Adjust the sync level of the composite video signal output.
Mode
PLAY (
)
Signal
No signal
Measurement Point
Video terminal of AV OUT jack
of the cradle (75
of the cradle (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
8F
Adjustment Address
D0
Specified Value
Sync level:
A=286 ± 5mV (NTSC mode)
A=300 ± 5mV (PAL mode)
Burst level:
B=286 ± 30mV (NTSC mode)
B=300 ± 30mV (PAL mode)
A=286 ± 5mV (NTSC mode)
A=300 ± 5mV (PAL mode)
Burst level:
B=286 ± 30mV (NTSC mode)
B=300 ± 30mV (PAL mode)
Switch setting:
VIDEO OUT (SETUP 2) ......................................... (NTSC mode)
VIDEO OUT (SETUP 2) ......................................... (NTSC mode)
............................................ (PAL mode)
Adjusting method:
Order Page Address Data
Procedure
1
00
01
01
Set the data.
2
60
C1
Read the data, and check it is “01”.
3
80
70
01
Set the data.
4
8F
D0
Change the data and set the sync
level (A) to the specified value.
level (A) to the specified value.
5
Check that the burst level (B)
satisfies the specified value.
satisfies the specified value.
6
80
70
00
Write the data.
7
Save the data.
8
Wait for 2 sec.
9
00
01
00
Set the data.
Fig. 6-1-8.
H
A
B
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