Sony DNW-A100 Maintenance Manual page 103

3. OXIDE C Adjustment
n
Connection of the oscilloscope remains unchanged.
1. During play back the alignment tape in PLAY mode,
adjust the level at the middle of V period.
PB portion: 75% color-bar signal (0:00 to 3:00) of
CR5-2A (NTSC) / CR5-2A PS (PAL)
Adj. point: 1RV407/DM-89(C-5)
Specification: C = 400 ± 40 mV p-p
2. Stop the playback of the alignment tape.
A B C
RV704 RV703
D902
ON
E303 TP8 TP6
S901
OFF
E901 TP7 TP5
TP704
TP702
TP701
RV702
TP305
TP700 TP306
RV701
TP208
RV401
RV301 RV302 RV303 RV304
RV402
RV407
S302
S301
TEST
NOR
E302
TEST NOR
RV406
TP303
TP304
RV405
TP403
TP404
TP302
TP300
E301
DM-89 Board (Side A)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
C
D DM-89 E F G
OFF ON
RV504 E105
S501 TP2 TP1 RV503
A No. LOTNO, S NO,
TP3
E702
TP4
TP705
TP505
TP503 TP504
E701
TP502
TP703 E501
RV501 RV502
TP501
RV507 RV506
TP500
TP105
TP106
TP506
RV305 RV105
RV102 RV104
RV201
RV306 RV106
RV107
RV202
RV307
RV101 RV103
RV308
RV108
E104
E102
TP104
S102
TP103 NOR
TEST RV212
S101
RV211
TP102
TEST NOR
E103
TP202
RV205
TP204
TP100
TP203
E101
E902
4. OXIDE Y Adjustment
1. Change the connection of the oscilloscope as follows:
CH-1: TP3/DM-89(E-1), GND: E702/DM-89(D-1)
CH-2: TP4/DM-89(E-1), GND: E702/DM-89(D-1)
2. During play back the alignment tape in PLAY mode,
adjust the level at the middle of V period.
PB portion: 75% color-bar signal (0:00 to 3:00) of
CR5-2A (NTSC) / CR5-2A PS (PAL)
Adj. point: 1RV212/DM-89(G-6)
Specification: D = 400 ± 40 mV p-p
3. Stop the playback of the alignment tape.
n
It is not necessary to eject the alignment tape when
perform subsequent "3-8-8. OMC Carrier Balance
Adjustment".
1
2
3
4
5
6
7
3-8. Analog Betacam PB System Alignment
3-8-7. DM RF Output Level Adjustment
D
3-67