Sony DCR-IP45 - Micromv Digital Camcorder, Руководство по обслуживанию

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5-59
DCR-IP45/IP45E/IP55/IP55E
3. S VIDEO OUT Chroma Level Adjustment
(VC-291 Board)
Mode Camera
Subject Arbitrary
Measurement Point Chroma signal terminal of S VIDEO
plug of A/V jack (75W terminated)
External trigger: Y signal terminal of
S VIDEO plug of A/V jack
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 95, 96
Specified Value Cr level: A = 714
±
14mV(NTSC)
A = 700
±
14mV(PAL)
Cb level: B = 714
±
14mV(NTSC)
B = 700
±
14mV(PAL)
Burst level: C = 286
±
6mV(NTSC)
C = 300
±
6mV(PAL)
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 3 02 FE Set the data.
3 3 00 07 Set the data, and press PAUSE button.
4 3 07 Check that bit1 of the data
changes to “1”. (Note2)
5 C 95 Change the data and set the Cr signal
level (A) to the specified value.
6 C 95 Press PAUSE button.
7 C 96 Change the data and set the Cb signal
level (B) to the specified value.
8 C 96 Press PAUSE button.
9 3 00 00 Set the data, and press PAUSE button.
10 3 02 00 Set the data.
11 0 01 00 Set the data.
12 Check that the burst signal level
(C) satisfies the specified value.
Note2:
For the bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit
value discrimination”.
4. VIDEO OUT Y, Chroma Level Check (VC-291 Board)
Mode Camera
Subject Arbitrary
Measurement Point Video terminal of VIDEO plug of A/V
jack (75
Ω
terminated)
Measuring Instrument Oscilloscope
Specified Value Sync level: A = 286
±
18mV(NTSC)
A = 300
±
18mV(PAL)
Burst level: B = 286
±
18mV(NTSC)
B = 300
±
18mV(PAL)
Note1: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data Procedure
1 3 02 FE Set the data.
2 3 00 07 Set the data, and press PAUSE
button.
3 3 07 Check that bit1 of the data
changes to “1”. (Note2)
4 Check that the sync signal level
(A) satisfies the specified value.
5 Check that the burst signal level
(B) satisfies the specified value.
6 3 00 00 Set the data, and press PAUSE
button.
7 3 02 00 Set the data.
Note2: For the bit values, refer to “5-4. SERVICE MODE”, “4-3. 3. Bit
value discrimination”.
Fig. 5-3-7.
Fig. 5-3-8.
H
A
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
H
C
H
B
A