Sony BVP-550 Maintenance Manual page 756

4-3. Overall Electrical Alignment
4-3-20. VTR R-Y/B-Y Adjustment
4-3-21. CCU Y/R-Y/B-Y Adjustment
4-3-20. VTR R-Y/B-Y Adjustment
Equipment : Oscilloscope
Preparation:
• OUTPUT/DCC switch (on the side panel) → BARS
Adjustment Procedures:
1. Set the DISP switch (on the side panel) to MENU
while holding down the MENU SEL switch (on the
front panel).
2. Set the menu as follows, and adjust the VTR R-Y by
using the MENU SEL switch.
Test Point
: TP4 (R-Y) (GND:E1)/DA-88 panel
Adjustment Point:
MENU : System config
PAGE : VTR/CCU (S5)
ITEM : VTR R-Y
Specifications: A = 700 ±5 mV (for NTSC)
: A = 525 ±5 mV (for PAL)
3. Set the menu as follows, and adjust the VTR B-Y by
using the MENU SEL switch.
Test Point
: TP5 (B-Y) (GND:E1)/DA-88 panel
Adjustment Point:
MENU : System config
PAGE : VTR/CCU (S5)
ITEM : VTR B-Y
Specifications: B = 700 ±5 mV (for NTSC)
: B = 525 ±5 mV (for PAL)
File Store:
Execute the file store. Press the MENU SEL switch to
execute.
MENU : Triming File
PAGE : Triming File (T1)
ITEM : File Store
4-46 (E)
4-3-21. CCU Y/R-Y/B-Y Adjustment
Equipment : Oscilloscope
Preparation:
• Connect the CCU to the camera.
Adjustment Procedures:
1. Set the DISP switch (on the side panel) to MENU
while holding down the MENU SEL switch (on the
front panel).
2. Set the menu as follows, and adjust the CCU Y sample
by using the MENU SEL switch.
Test Point
: TP3 (Y) (GND:E1)/DA-88 panel
Adjustment Point:
MENU : System config
PAGE : VTR/CCU (S5)
ITEM : CCU Y SAMP
Specifications: A = 700 ±2 mV
BVP-550