Sony BRC-300 - Page 87

3-21
BRC-300/300P
BRU-300/300P
3-2. BRC-300/300P Camera Block Electrical Alignment
Video Output Level Check
Mode Camera
Subject Arbitrary
Measurement point DD-208 board, pin 4 of CN151
(75 Z terminated)
Measuring instrument Oscilloscope
Specifications Sync level: A = 286 ±18 mV (NTSC)
A = 300 ±18 mV (PAL)
Burst level: B = 286 ±18 mV (NTSC)
B = 300 ±18m V (PAL)
Checking procedure
Order Page Address Data Procedure
1 3 0C 02 Set the data, and press
PAUSE button.
2 Check that the specification A is
satisfied.
3 Check that the specification B is
satisfied.
4 3 0C 00 Set the data, and press
PAUSE button.
Chroma Output, Cr, Cb Level Adjustment
Mode Camera
Subject Arbitrary
Measurement point DD-208 board, pin 8 of CN151
(75 Z terminated)
External trigger: Pin 6 of CN151
Measuring instrument Oscilloscope
Adjustment page C
Adjustment addresses 26, 27
Specifications Cr level: A = 714 ±14 mV (NTSC)
A = 700 ±14 mV (PAL)
Cb level: B = 714 ±14 mV (NTSC)
B = 700 ±14 mV (PAL)
Burst level: C = 286 ±6 mV (NTSC)
C = 300 ±6 mV (PAL)
Adjusting procedure
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 3 0C 02 Set the data, and press
PAUSE button.
3 C 26 Change the data to satisfy the
specification A.
4 C 26 Press PAUSE button.
5 C 27 Change the data to satisfy the
specification B.
6 C 27 Press PAUSE button.
7 Check that the specification C is
satisfied.
8 3 0C 00 Set the data, and press
PAUSE button.
9 0 01 00 Set the data.
H
C
A
0.28 us (NTSC)
0.23 us (PAL)
B
0.28 us (NTSC)
0.23 us (PAL)
H
B
A