Pa Gain Adjustment - Sony HDW-750 Maintenance Manual

9-8. PA Gain Adjustment

9-8. PA Gain Adjustment
Preparation
. OUTPUT/DCC switch (inside panel) → CAM/ON
. WHITE BAL switch (inside panel) → PRST
. Shoot the gray scale chart to fill the entire screen of the
under-scanned picture frame.
. Lens iris → F10
. Complete the setting as shown below by using the setup menu.
MENU : PAINT
PAGE : 06*KNEE
ITEM : KNEE → OFF
MENU : PAINT
PAGE : 01*SW STATUS
ITEM : GAMMA → OFF
Adjustment Procedure
1. Complete the setting as shown below by using the
setup menu.
MENU : SERVICE
PAGE : 04*CCD ADJUST
ITEM : OUTPUT SELECT → R
2. Equipment 1 :
Measurement point 1 : TEST OUT connector
Equipment 2 :
Measurement point 2 : TP2/EX-776 board
Adjustment point :
Adjustment point :
Specifications :
Waveform on WFM
1H
Waveform on oscilloscope
1H
9-10
HD analog waveform monitor
(outside panel)
Oscilloscope
(DR extension assembly)
1RV402 (E-1)/PA-253 board
(B side)
1RV403 (E-1)/PA-253 board
(B side)
A = 700 ± 14 mV
B = Minimize the carrier leak.
A
B
3. Complete the setting as shown below by using the
setup menu.
MENU : SERVICE
PAGE : 04*CCD ADJUST
ITEM : OUTPUT SELECT → G
4. Equipment 1 :
Measurement point 1 : HD SDI connector (outside panel)
Equipment 2 :
Measurement point 2 : TP4/EX-776 board (DR
Adjustment point :
Adjustment point :
Specifications :
5. Complete the setting as shown below by using the
setup menu.
MENU : SERVICE
PAGE : 04*CCD ADJUST
ITEM : OUTPUT SELECT → B
6. Equipment 1 :
Measurement point 1 : TEST OUT connector (outside panel)
Equipment 2 :
Measurement point 2 : TP6/EX-776 board (DR
Adjustment point :
Adjustment point :
Specifications :
Setting upon Completion of Adjustment
Complete the setting as shown below by using the setup
menu.
MENU : SERVICE
PAGE : 04*CCD ADJUST
ITEM : OUTPUT SELECT → Y
MENU : PAINT
PAGE : 06*KNEE
ITEM : KNEE → ON
MENU : PAINT
PAGE : 01*SW STATUS
ITEM : GAMMA → ON
RV402 RV403
RV501
RV601
1 RV500
RV400 RV401
RV503
RV502
2
RV603
3
E D C
HD analog waveform monitor
Oscilloscope
extension assembly)
1RV502 (C-2)/PA-253 board
(B side)
1RV503 (D-2)/PA-253 board
(B side)
A = 700 ± 14 mV
B = Minimize the carrier leak.
HD analog waveform monitor
Oscilloscope
extension assembly)
1RV602 (B-2)/PA-253 board
(B side)
1RV603 (C-2)/PA-253 board
(B side)
A = 700 ± 14 mV
B = Minimize the carrier leak.
RV600
RV602
B A
PA-253 board (B side)
HDW-750/750CE V1