Chroma (Yc) Level Adjustment; Vf Sync/Blkg Level Adjustment - Sony DXC-D35 Service Manual

3-3-9. Chroma (YC) Level Adjustment

Equipment: Oscilloscope
To be extended: ES-32 board (for DXC-D35/D35P)
ES-33 board (for DXC-D35WS/D35WSP)
Preparation: OUTPUT/DL/DCC + switch: BARS
Test point: TP64 (GND: TP65)/EX-490 board
Trigger: HD (TP84/EX-490 board)
Adjusting point: 1RV505 (CHROMA (YC) LEV)
/ES-32 board (for DXC-D35/D35P)
/ES-33 board (for DXC-D35WS/D35WSP)
Specification:
A = 286 5 mV (for NTSC)
A = 300 10 mV (for PAL)
[for NTSC]
[for PAL]
B
A
1
FL502
2
3
4
CN501
5
6
ES-32 board (A side) (DXC-D35/D35P)
ES-33 board (A side) (DXC-D35WS/D35WSP)
DXC-D35/D35WS(UC)
DXC-D35P/D35WSP(CE) V1
C
D
RV501
RV502
RV505
RV504
RV503
TP501
E501

3-3-10. VF SYNC/BLKG Level Adjustment

Equipment: Oscilloscope
To be extended: ES-32 board (for DXC-D35/D35P)
ES-33 board (for DXC-D35WS/D35WSP)
Preparation: OUTPUT/DL/DCC + switch: BARS
Test point: TP82 (GND: TP83)/EX-490 board
Trigger: HD (TP84/EX-490 board)
Adjustment Procedure
1. SERVICE menu "PAGE 7"
VF SYNC
VF BLKG
n
For the adjustment procedure, at the first "VF BLKG"
adjustment is done, and next, "VF SYNC" adjustment is
done.
2. Adjust the following items by UP
switch to meet the specification.
Item Test Point
VF BLKG TP82
VF SYNC TP82
[for NTSC]
A
B
3-3. Camera Adjustment
switch or DOWN
Specification
NTSC: A = 50 10 mV
PAL: A = 50 10 mV
NTSC: B = 290 10 mV
PAL: B = 300 10 mV
[for PAL]
A
B
3-11