Sony Betacam SX DNW-A100 Maintenance Manual page 292

6-4. DM-89 Board Replacement
C adjustment
(4) Connect and set the oscilloscope as follows:
TP8/DM-89(C-1), AC 200 mV/DIV, 10 µs/DIV, GND: E702/DM-89(D-1)
CH-2:
(5) Playback the color-bar signal portion (14:00 to 17:00) of the alignment tape CR5-1B or CR5-1B PS,
and perform the adjustment.
(DNW-A100/A50/A45: CR5-1B, DNW-A100P/A50P/A45P: CR5-1B PS)
Adjustment point: 1RV702/DM-89(A-4)
Specification: Minimize the moiré of specified part.
Minimize the moiré
DNW-A100/A50/A45
(6) Stop the playback of the alignment tape CR5-1B/CR5-1B PS or eject it.
n
It is not necessary to eject the alignment tape when perform subsequent "9. Non-liner Output Level
Adjustment".
A B C
RV704 RV703
D902
ON
E303 TP7 TP6 TP5
S901
OFF
E901
TP8
TP704
TP703
TP702
RV702
TP701
TP305
TP700 TP306
RV701
TP208
RV401
RV301 RV302 RV303 RV304
RV402
S302
RV406
S301
TEST
NOR
RV407
E302
TEST NOR
TP303
TP304
RV405
TP403
TP404
TP302
TP300
E301
DM-89 Board (Side A)
6-54
D DM-89 E F G
ON
OFF
RV504 E105
S501 TP4 TP3 TP2 TP1 RV503
A No. LOTNO, S NO,
E702
TP705
TP505
TP503 TP504
E701
TP502
E501
RV501 RV502
TP501
RV507 RV506
TP500
TP105
TP106
TP506
RV305 RV105
RV102 RV104
RV306 RV106
RV107
RV307
RV101 RV103
RV202
RV308 RV201
RV108 E104
E102
TP104
S102
TP103
TEST NOR
S101
RV211 RV212
TP102
NOR
TEST
E103
TP202 RV205
TP204
TP100
TP203
E101
E902
DNW-A100P/A50P/A45P
1
2
3
4
5
6
7
Minimize the moiré
DNW-A100/A50/A45
DNW-A100P/A50P/A45P