Bd Board Adjustment (Bkm-120D) - Sony BKM-142HD Maintenance Manual

2-7-1. BD Board Adjustment (BKM-120D)

This section describes the adjustments of the Y LEVEL,
PB LEVEL, and PR LEVEL when the D1-SDI signal is
input to BD board.
Equipment Used
Oscilloscope
Frequency counter
Connection
BD board – side A –
A B
TP101
1
TP102
2
TP305
3
TP306
4
5
Adjusting Procedure
1. D1 OUTPUT LEVEL Adjustment
1-1. Y LEVEL Adjustment
Adjustment
• Input the 100% color bar signal
(100% White Ref. 100% Saturation)
into the SDI input terminal.
• Connect an oscilloscope to TP305
(Y OUT).
1-2. PB LEVEL Adjustment
Adjustment
• Input the 100% color bar signal
(100% White Ref. 100% Saturation)
into the SDI input terminal.
• Connect an oscilloscope to TP306
(PB OUT).
BKM-120D/127W/129X/142HD
Frequency Counter
C
CN401
Oscilloscope
TP307
2CH
1CH
20a
Standard
TP305 (Y OUT) output level:
645 ±10 mVp-p
Standard
TP306 (PB OUT) output level:
645 ±10 mVp-p
Setting the Monitor
Set the INPUT CONFIGURATION menu of the SET UP
menu as follows.
FORMAT ............... D1-SDI
SLOT NO. .............. 2
INPUT NO. ............. 1
Adjusting Point
The adjustment menu is located in
the lower layer of BKM-120D of
the MAINTENANCE menu.
Y LEVEL
Adjusting Point
The adjustment menu is located in
the lower layer of BKM-120D of
the MAINTENANCE menu.
PB LEVEL
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