Grb Output Level Adjustment - Sony HDCU-700A Maintenance Manual Supplement

3-6. HD Signal Input/Output Adjustment (HKCU-702)
2. P Output Level Adjustment
R
Equipment: HD waveform monitor
Test point: R/P -1 connector/ADA-50 board
R
Adj. point: 1RV2 (D-3) /ADA-50 board
B = 700 ± 5 mV (terminated with 75 Z)
Spec.:
3. P Output Level Adjustment
B
Equipment: HD waveform monitor
Test point: B/P -1 connector/ADA-50 board
B
Adj. point: 1RV3 (B-3) /ADA-50 board
C = 700 ± 5 mV (terminated with 75 Z)
Spec.:
C
3-28 (E)

3-6-2. GRB Output Level Adjustment

Preparation
. S1-5 (A-4) /ADA-50 board → ON (G/R/B)
Adjustment Procedures
1. G Mix Level Adjustment
Equipment: HD waveform monitor
B
Test point: G/Y-1 connector/ADA-50 board
Adj. point: 1RV8 (B-2) /ADA-50 board
Spec.:
C
2. G Signal Level Adjustent-1
Equipment: HD waveform monitor
Test point: G/Y-1 connector/ADA-50 board
Adj. point: 1RV11 (C-2) /ADA-50 board
Spec.:
1RV9 (B-2) /ADA-50 board
Make flat at portions A and B
(Less than 5 mV p-p).
A
C = 700 ± 5 mV (terminated with 75 Z)
B
HDCU-700A