Sony CCU-TX7 Service Manual page 36

YD-26 board
E1
RV1
Y AGC CONT
YD-26
Y 2'nd AGC
S3
E4
TP1
E3
. S1 (MODE AUTO/MANU)
The length of a triax cable connecting the camera head
and CCU is automatically detected and set when this switch
is set to AUTO. The triax cable length can be manually set
using S2 (CABLE LENGTH SELECT) when this switch
is set to MANU (MANUAL).
Factory setting : AUTO
. S2 (CABLE LENGTH SELECT)
This switch is valid when S1 is set to MANU. This switch
is set to the number corresponding to the cable length.
Factory setting : 0 (100 m)
Switch setting Cable length (center value)
0 100 m
1 300 m
2 500 m
3 700 m
4 NOT IN USED
2-10
TP26
SAMPL GATE
RV3
SAMPL S/H
E2 RV4
TP2 Y OFFSET ADJ
TP5
TP8
TP4 TP7
Y RF TUNE
VCO DC SET
TP6
RV2 RV5
TP9
LV1
BLACK S/H SYNC S/H
TP17
TP3
RV12
S4
C 2'nd AGC
B-Y LEVEL
E7
B-Y CARR BAL
RV11
TP13 TP14
RV10
C AGC CONT
RV13 RV14
OFFSET ADJ PLL SET
S2
CABLE LENGTH
S1
E5
TP10
TP11
RV8
Y LEVEL
RV9
RV6
E6
TP12 RV17
R-Y LEVEL
E8
E9
R-Y CARR BAL TP19
RV16
TP18
TP15
RV18
90° SET
RV15
C CAR LEV
E16
TP21 TP20
YD-26 Board
(A SIDE)
. S3 (Y-ch 2nd AGC ON/OFF)
. S4 (CHROMA-ch 2nd AGC ON/OFF)
These switches are used for RF AGC adjustment. Usually,
set these switches to ON.
CCU-TX7 (E)/V1