Sd Vf Clamp Level Adjustment; Sd Vf Y/R-Y/B-Y Level Adjustment - Sony HDW-750 Maintenance Manual
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Also See for HDW-750:
- Maintenance manual (442 pages) ,
- Operation manual (420 pages) ,
- Supplemental operation manual (156 pages)
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9-31. SD VF Clamp Level Adjustment
Perform this adjustment only when the HKDW-702 (DC-
110/110A board) is installed.
Preparation
. OUTPUT/DCC switch (inside panel) → BARS
. Attach the SD VF and turn on the main power of this
unit.
Adjustment Procedure
1. Complete the adjustment as shown below by using the
setup menu.
Equipment :
Oscilloscope
Measurement point : TP201 (B-4)/DC-110A board
(A side) or
TP201 (C-1)/DC-110 board
(B side)
MENU :
SERVICE
PAGE :
09*SD ADJUST
ITEM :
SD VF CLAMP LVL
A = 0 ± 10 mV dc
Specifications :
DC 0V
D
C
TP600
TP400
TP200
TP202
TP201
HDW-750/750CE V1
A
B
A
1
2
TP601
3
TP1
4
DC-110 board (B side)
9-32. SD VF Y/R-Y/B-Y Level Adjustment
Perform this adjustment only when the HKDW-702 (DC-
110/110A board) is installed.
Preparation
. OUTPUT/DCC switch (inside panel) → BARS
. Attach the SD VF and turn on the main power of this
unit.
Adjustment Procedure
1. Complete the adjustment as shown below by using the
setup menu.
Equipment :
Oscilloscope
Measurement point : TP201 (B-4)/DC-110A board
(A side) or
TP201 (C-1)/DC-110 board
(B side)
MENU :
SERVICE
PAGE :
09*SD ADJUST
ITEM :
SD VF Y LEVEL
A = 714 ± 5 mV (For NTSC)
Specifications :
A = 700 ± 5 mV (For PAL)
A
2. Complete the adjustment as shown below by using the
setup menu.
Equipment:
Oscilloscope
Measurement point : TP202 (B-4)/DC-110A board
(A side) or
TP202 (C-1)/DC-110 board
(B side)
MENU :
SERVICE
PAGE :
09*SD ADJUST
ITEM :
SD VF R-Y LEVEL
B = 700 ± 5 mV
Specifications :
9-31. SD VF Clamp Level Adjustment
9-32. SD VF Y/R-Y/B-Y Level Adjustment
B
9-29
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