Bha/Bhb Board Adjustment (Bkm-142Hd) - Sony BKM-142HD Maintenance Manual

2-7-1. BHA/BHB Board Adjustment
(BKM-142HD)
This section describes the adjustments of the Y LEVEL,
PB LEVEL, and PR LEVEL when the HD SDI signal is
input to BHA/BHB board.
Equipment Used
Oscilloscope
Connection
BHA board – side A –
A
1
2
3
4
5
Adjusting Procedure
1. Y/PB/PR LEVEL Adjustment
1-1. Y LEVEL Adjustment
Adjustment
• Input the 100% color bar signal
(100% White Ref. 100% Saturation)
into the HD SDI input terminal.
• Connect an oscilloscope to TP301
(Y OUT).
1-2. PB LEVEL Adjustment
Adjustment
• Input the 100% color bar signal
(100% White Ref. 100% Saturation)
into the HD SDI input terminal.
• Connect an oscilloscope to TP302
(PB OUT).
BKM-120D/127W/129X/142HD
B C
Oscilloscope
TP301
TP302
TP303
Standard
TP301 (Y OUT) output level:
645 ±10 mVp-p
Standard
TP302 (PB OUT) output level:
645 ±10 mVp-p
Setting the Monitor
Set the INPUT CONFIGURATION menu of the SET UP
menu as follows.
FORMAT ............... HD SDI
SLOT NO. .............. 2
INPUT NO. ............. 1
Adjusting Point
The adjustment menu is located in
the lower layer of BKM-142HD of
the MAINTENANCE menu.
Y LEVEL
Adjusting Point
The adjustment menu is located in
the lower layer of BKM-142HD of
the MAINTENANCE menu.
PB LEVEL
2-15