R Level Adjustment; 4-2-12. B Level Adjustment - Sony CCU-TX7 Service Manual

4-2-11. R Level Adjustment
Equipment : Waveform monitor
To be extended : ES-20 board
Preparation :
¢ Select the BARS mode on the RCP-TX7 or COU-TX7.
* $800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board > "R/G/B"
Adjustment Procedure :
1. Test point : R/R-Y/C 1 OUT connector/CCU rear panel
Adjusting point : @RV509 (R MAT BAL)/ES-20 board
Specification :A= 0*) mV [For NTSC]
A=0*) mV [For PAL]
{For NTSC] [For PAL]
A
2. Adjusting point : @RV510 (R LEVEL)/ES-20 board
Specification : B= 700 +10 mV [ For NTSC]
B = 700 +10 mV [ For PAL]
[For NTSC} [For PAL]
e B
Y LEVEL (VBS)
SYNC LevEt ves) R¥BO4
SYNC WIDTR
'SC FREQUENCY
RVs
SC-H PHASE
Ob
GMATBAL2 @ WHT BAL RWHT BAL
Rvs0s = RVSO5 = RV500
TPSO1
RV5O8 lo}
RYSO7, 8
guaroaiCQ O80Z0
GLEVEL OTPse2 & &
MAT BAL
2
Rvsoo
511 QO
ROCBAL AYS1O ALEVE, OTP503
2 Oo
BDCBAL RVS513 BLever
B-YGAINADS_6-Y BLK BAL
4-8
4-2-12. B Level Adjustment
Equipment : Waveform monitor
To be extended : ES-20 board
Preparation :
¢ Select the BARS mode on the RCP-TX7 or COU-TX7.
¢ $800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board — "R/G/B"
Adjustment Procedure :
1. Test point : B/B-Y 1 OUT connector/CCU rear panel
Adjusting point : @RV512 (B MAT BAL)ES-20 board
Specification :A=0 70 mV [For NTSC]
A=0"0 mV [For PAL]
[For NTSC]
[For PAL]
Md |
2. Adjusting point : @RV513 (B LEVELYES-20 board
Specification :B=700+10 mV [For NTSC]
B = 700 +10 mV [For PAL]
[For NTSC} [For PAL]
oR
fete)
TP17 TP15
- ES-20 Board (A SIDE)
CCU-TX7 (E\V1