Sony DXC-637 - INT CB Y Adjustment; COMPONENT Y Level Adjustment

3-4-4. INT CB Y Adjustment
Equipment: Waveform monitor
To be extended: EN-122 board
Preparation:
OUTPUT
switch/camera
side
-
BARS
Adjustment Procedure
1. [NTSC model only]
Adjusting point: @RV3 (SET UP LEVEL)/EN-122 board
Specification: A=7.5+0.5 IRE
2. Adjusting point: @RV5 (VBS Y LEVEL)/EN-122 board
Specification: [for NTSC] B=75+2 IRE
{for PAL] B=700+10mV
3. Adjusting point: @RV4 (SYNC LEVEL)/EN-122 board
Specification: [for NTSC] C = 40+2 IRE
{for PAL] C=300+10mvV
[for NTSC] [for PAL]
4 - -
Co eee —
fe
Set Up “A”
EN-122
BOARD
—
COMPONENT
SIDE
—
ieyes
Rvi2
(BARS LEVEL}
Rvs
(DCC CLIP)
@
OL2 DLt
a Y (cour) o @ i)
Rv3
RV? Rvs RV10 RVI
{Y (VBS)) (SYNC) (SETUP) = (¥ CLIP) (OCC LEVEL) (KNEE) (WHITE CLIP)
NTSC ONLY
DXC-637 (UC)
DXC-637P
(EK)
3-7
3-4-5. COMPONENT Y Level Adjustment
Equipment: Oscilloscope
To be extended: EN-122 board
Preparation: OUTPUT switch/camera side - BARS
Test point: pin A14 (GND: A16)/extension board
Trigger: HD (pin B23/extension board)
Adjustment Procedure
1. Adjusting point: @RV6 (COMP Y LEVEL)/EN-122 board
Specification: A= 714+ 10mvV (for NTSC)
700 + 10 mV (for PAL)
[for NTSC] [for PAL]
2. GAIN switch/camera side — HIGH (18 dB)
3. Adjusting point: @RV7 (Y WHITE CLIP)/EN-122 board
Specification: White Clip Level
= 820 + 10 mV (for NTSC)
= 805 + 10 mV (for PAL)