Sony Betacam BKP-590 Installation And Maintenance Manual page 19

2-2-3. Y/SKIN DC Balance Adjustment
Equipment : Oscilloscope
(BW/LIMITER → OFF)
Test Point : TP102 (GND:E101)/MD-111 (E-2)
Trigger : SYNC OUTPUT connector/
CCU rear panel
Adjustment Points : 1RV102 (Y DC BAL)
/MD-111 (E-2)
1RV103 (SKIN DC BAL)
/MD-111 (D-2)
Adjustment Procedures :
1. Adjust 1RV102 (Y DC BAL)/MD-111 board so that
the waveform at TP102 is flat in V BLKG period.
2. Adjust 1RV103 (SKIN DC BAL)/MD-111 board so
that the waveform at TP102 is flat in V BLKG period.
3. Repeat procedures 1 and 2 until the specifications of
procedures 1 and 2 are met.
RV303 RV203
FL4
E201
TP202
E101
S402
PAL
NTSC
FL8
TP403
RV401
TP402
MD-111 board (A side )
BKP-590
OFF
S3
ON
OFF
S2
ON
OFF
S1
ON
RV101
TP101
TP702 TP701
RV102
TP703
E701
RV103
FL7
TP102
RV411
E401
TP401
2-2. MD-111 Board Adjustment
RV103 RV102
V rate
2-5(E)