Sony DSR-570WS Service Manual page 214

9-3-7. Y (VBS) Level Adjustment
Equipment: Waveform monitor
To be extended: ES-26/26P board
Preparation:
. OUTPUT/DL/DCC+switch (side panel) → BARS
Test point:
VIDEO OUT connector
Adjustment Procedure
1. [for NTSC]
. SERVICE menu "PAGE 11"
→ SET UP:
ON
MAT DEST: SMPTE
. SERVICE menu "PAGE 5"
→ SETUP LEV:
Perform adjustment by turning the MENU dial, then
store the data by pushing the MENU dial.
Specification: A =7.5 ±0.5 IRE (See below
waveform)
[for PAL]
. SERVICE menu "PAGE 11"
→ COMP LEV: 525 (not 700)
2. Adjusting point: 1RV104 (Y LEVEL)/ES-26/26P
board
Specification:
for NTSC
for PAL
[for NTSC]
C
A
B
RV101
RV103
1
FL101
2
E601
TP801
3
E801
4
5
S401
ES-26/26P BOARD (A SIDE)
9-10
B = 100 ± 2 IRE
B = 700 ± 10 mV
[for PAL]
D E
F
RV104
G
FL401
CN101
9-3-8. VF SYNC/BLKG Level Adjustment
Equipment: Oscilloscope
To be extended: ES-26/26P board
Preparation:
. OUTPUT/DL/DCC+switch (side panel) → BARS
. If no viewfinder (DXF-701) is connected, terminate
TP325 with 3 kZ resistor.
Trigger:
HD (TP349/extension board)
Adjustment Procedure
1. SERVICE menu "PAGE 7"
→ VF SYNC
VF BLKG
n
First, perform "VF BLKG" adjustment, then "VF SYNC"
adjustment.
2. Perform adjustment by turning the MENU dial, then
store the data by pushing the MENU dial.
Extension board (GND: TP326)/ES-26/26P board
Item Test Point
VF BLKG TP325
VF SYNC TP325
[for NTSC]
(NTSC)
A
B
Specification
A = 50 ± 10 mV
NTSC: B = 290 ± 10 mV
B = 300 ± 10 mV
PAL:
[for PAL]
(PAL)
A
B
DSR-570WS/570WSP V1