Y Output Level Adjustment 00.0; Chroma Cable Compensation System Adjustment; 45 Mhz Carrier Level Adjustment - Sony CCU-TX7 Service Manual

4-3-12. Y Output Level Adjustment
Equipment : Oscilloscope
To be extended : YD-26 board
Preparation
¢ §3 (Y 2nd AGCVYD-26 board > "ON"
Test point : TP11 (GND: E6)/YD-26 board
Adjusting point : @RV9 (Y LEVEL)/YD-26 board
Specification :A=700+7 mV p-p
'SAMPL GATE
TP4 TP7
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t AY2 Avs OTPS
o 6 Oo LY BLACK S/H SYNC SH
S4
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oO
§ 3 — evcannsa
TP14 77>, RVIt
oO
Q
RV13 RV14
OFFSET ADS PULSET
CABLE LENGTH
St
Oo
38
4-18
4-4. CHROMA Cable Compensation
System Adjustment
4-4-1. 45 MHz Carrier Level Adjustment
Equipment : Oscilloscope
To be extended : YD-26 board
Test poini : TP16 (GND: E8)/YD-26 board
Adjusting point : @RV15 (C CARR LEVEL)/
YD-26 board
Specification :A=400+20mVp-p
(BW LIMIT/Oscilloscope > "OFF" )
TP
YLEVEL@®
AVS
@&e
TPI2—-RVI7
O URvcever
iS)
TP19
RVI8 ou
AVIS
CCARLEV
YD-26 Board (A SIDE)
CCU-TX7 (E)/V1