Sony BKM-142HD - Page 26

2-14
BKM-120D/127W/129X/142HD
1-3.PR LEVEL Adjustment
Adjustment Standard Adjusting Point
• Input the 100% color bar signal TP307 (PR OUT) output level: The adjustment menu is located in
(100% White Ref. 100% Saturation) the lower layer of BKM-120D of
into the SDI input terminal. the MAINTENANCE menu.
• Connect an oscilloscope to TP307 PR LEVEL
(PR OUT).
2. Digital Free Run Adjustment
Adjustment Standard Adjusting Point
Step 1
• No input signal TP101 (DACLK) output frequency: The adjustment menu is located in
• Connect an frequency counter to 27.0 ± 0.15 MHz the lower layer of BKM-120D of
TP101 (DACLK). the MAINTENANCE menu.
DA-FV
Step 2
• Connect an frequency counter to TP102 (DBCLK) output frequency: The adjustment menu is located in
TP102 (DBCLK). 27.0 ± 0.15 MHz the lower layer of BKM-120D of
the MAINTENANCE menu.
DB-FV
3. D1 H Phase Adjustment
Adjustment Standard Adjusting Point
• Input the D1 100% white signal (525/60). The adjustment menu is located in
• Connect the CH1 probe of the the lower layer of BKM-120D of
oscilloscope to TP305 (Y OUT). the MAINTENANCE menu.
• Connect the CH2 probe of the C
oscilloscope to CN401 20a (H SYNC). CL
P
645 ±10 mVp-p
H SYNC
Y out
H sync
Y out
A
A
Spec A : = 8.5 ± 0.1µSec