Sony HVR M15U - Professional Video Cassete recorder/player, Руководство по обслуживанию

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6-48
HVR-M15J/M15U/M15N/M15E/M15P/M15C
2-3. S VIDEO OUT Chroma Level Adjustment
(VD-036 board)
Mode E-E
Signal No signal
Measurement Point Chroma signal terminal of S VIDEO
OUT jack (75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO OUT jack (75
Ω
termi-
nated)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 8B, 8C (NTSC)
91, 92 (PAL)
Specified value Cr level: A = 714
±
14 mVp-p (NTSC)
A = 700
±
14 mVp-p (PAL)
Cb level: B = 714
±
14 mVp-p(NTSC)
B = 700
±
14 mVp-p(PAL)
Burst level: C = 286
±
6 mVp-p (NTSC)
C = 300
±
6 mVp-p(PAL)
H
A
0.28
µ
sec (NTSC)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL) 0.23
µ
sec (PAL)
C
Fig. 6-2-4
Adjusting method:
Order Page Address Data Procedure
1 Perform “Preparations”.
2
Set the HOLD switch of
adjustment remote com-
mander to “OFF” (NORMAL
position).
3
Set the 60i/50i SEL (OTH-
ERS menu) to “60i”.
4
Set the HOLD switch of
adjustment remote com-
mander to “HOLD” (SER-
VICE position).
5 C 8B
Change the data and set the
Cr signal level (A) to the
NTSC specified value.
6 C 8B Press PAUSE (Write) button.
7 C 8C
Change the data and set the
Cb signal level (B) to the
NTSC specified value.
8 C 8C Press PAUSE (Write) button.
9
Check the burst signal (C) to
the NTSC specified value.
10
Set the HOLD switch of
adjustment remote com-
mander to “OFF” (NORMAL
position).
11
Set the 60i/50i SEL (OTH-
ERS menu) to “50i”.
12
Set the HOLD switch of
adjustment remote com-
mander to “HOLD” (SER-
VICE position).
13 C 91
Change the data and set the
Cr signal level (A) to the
PAL specified value.
14 C 91 Press PAUSE (Write) button.
15 C 92
Change the data and set the
Cb signal level (B) to the
PAL specified value.
16 C 92 Press PAUSE (Write) button.
17
Check the burst signal (C) to
the PAL specified value.
18
Perform “Processing after
Complete Adjustment”.