H Phase Adjustment 20.02; Sync Phase Adjustment 0 - Sony CCU-TX7 Service Manual

4-2-3. H Phase Adjustment
Equipment : Oscilloscope (CHOP mode)
Video signal generator
(Color Bar signal)
To be extended : ES-20 board
Preparation :
¢ Gen-lock .
* Input color bar signal of video signal generator to the
GENLOCK connector on the CCU-TX7/TX7P.
Test point : CHI pin 78 (GND : pin 77)/
extension board
CH2 pin 100 (GND: pin 99)/
extension board
Adjusting point : @RV7 (H PHASE)/ES-20 board
Adjustment Procedure :
1, Adjust @RV7 (H PHASE)/ES-20 board so that the width
Tlis 0 £0.1 us.
Pin 78
(CH-1)
Pin 100
(CH-2)
4-2-4. SYNC Phase Adjustment
Object : Overall white
(white portion of the pattern box)
Equipment : Waveform monitor
To be extended : ES-20 board
Preparation :
¢ Adjust the zoom control at "TELE" so that the white pattern
feame matches the underscanned picture frame on the
screen.
¢ In case of RCP-TX7
IRIS AUTO Button (Control panel) — "ON"
* In case of COU-TX7
IRIS AUTO/MANUAL switch (Control panel)
— "AUTO"
Test point : VBS 1 OUT connector/CCU rear panel
Adjusting point: @RV2 (SYNC PHASE)/ES-20 board
@RV3 (SYNC WIDTHYES-20 board
@S2 (HK BLKGYES-20 board
> [For NTSC]
Tl = 1.35 +0.1 ps (@RV2)
T2= 4.7 £0.1 us (@RV3)
T3= 10.9 40.1 us (@S2)
[For PAL}
T1 = 1.55 £0.1 ps (@RV2)
T2 =4.7 +0.1 ps (@RV3)
T3 = 12.0 +0.1 us (@S2)
Specification
[For NTSC]
[For PAL]
CCU-TX? (E)V1