Sony BVP-550, Maintenance Manual

Page: 298 / 924

4-24 (E)
BVP-550
4-3-2. VTR Y Adjustment
Equipment : Oscilloscope
Test Point
: TP3 (Y)/DA-88 panel
Preparations:
• OUTPUT/DCC switch (on the side panel)
→
BARS
• RGB/ENC switch (on the side panel)
→
ENC
• WHITE BAL switch (on the side panel)
→
PRST
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 Y sync by
using the MENU SEL switch.
MENU
: System config
PAGE : Y/Chroma (S2)
ITEM : Y SYNC
Specifications : A = 286
±
2 mV (for NTSC)
A = 300
±
2 mV (for PAL)
3. (NTSC only)
Set the menu as follows, and adjust the Y setup by
using the MENU SEL switch.
MENU
: System config
PAGE : Y/Chroma (S2)
ITEM : Y SETUP
Specifications
: C = 53.5
±
2 mV
4. Set the menu as follows, and adjust the Y video by
using the MENU SEL switch.
MENU
: System config
PAGE : Y/Chroma (S2)
ITEM : Y Video
Specifications
: B = 714
±
7 mV (for NTSC)
B = 700
±
7 mV (for PAL)
(For NTSC)
(For PAL)
(20 MHz B/W LIMIT
→
ON)
File Store:
Execute the file store. Press the MENU SEL switch to
execute.
MENU : Triming File
PAGE : Triming File (T1)
ITEM : File Store
4-3. Overall Electrical Alignment
4-3-2. VTR Y Adjustment