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

7. CONFIG button/MSU-700 → ON
Touch panel operation/MSU-700
[CCU] → [RET|SETTING] → [RET1:SD-Analog]
8. Equipment: Oscilloscope
Test point: TP25 (D-3) /IF-704 board
1RV803 (J-3) /IF-704 board
Adj. point:
1RV601 (H-3) /IF-704 board
Spec.: So that the waveform is identical in
shape to that shown in step 6.
9. Repeat from step 1 to step 8.
RV6
TP15
RV5
RV1
K J
H G F
ADA-50 Board (Component side)
HDCU-700A
(Coarse adjustment)
(Fine adjustment)
S1
RV2
RV3
RV4
1
RV9 RV8 RV7
RV11
RV12
RV13
E
D C B
3-6. HD Signal Input/Output Adjustment
(HKCU-702)
Preparations
. BARS button/MSU-700 → ON
. S10-3 (L-5)/AT-103A board → OFF
3-6-1. Y/P /P
R B
Preparation
. S1-5 (A-4) /ADA-50 board → OFF (Y/P
Adjustment Procedures
1. Y Output Level Adjustment
Equipment: HD waveform monitor
Test point: G/Y-1 connector/ADA-50 board
1RV4 (F-2) /ADA-50 board
Adj. point:
A = 700 ± 5 mV (terminated with 75 Z)
Spec.:
A
4
3
2
RV10
1
A
3-5. NTSC Signal System Adjustment (HKCU-701A)
3-6. HD Signal Input/Output Adjustment (HKCU-702)
Output Level Adjustment
/P
R
)
B
3-27 (E)