Sony DNW-A100 Maintenance Manual page 432

6-3. Analog Video Playback System Adjustment after Replacing the Drum
(7) OXIDE C adjustment
Playback the 75% color-bar signal portion (0:00 to 3:00) of the alignment tape CR5-2A or CR5-2A
PS, and perform the adjustment.
(DNW-A100/A50/A45: CR5-2A, DNW-A100P/A50P/A45P: CR5-2A PS)
Adjustment point: 1RV407/DM-89(C-5)
C = 400 ± 40 mV p-p
Specification:
(8) Stop the playback of the alignment tape CR5-2A/CR5-2A PS.
(9) Change the connection of the oscilloscope as follows:
CH-1: TP3/DM-89(E-1), GND: E702/DM-89(D-1)
Trigger: TP4/DM-89(E-1), GND: E702/DM-89(D-1)
(10) OXIDE Y adjustment
Playback the 75% color-bar signal portion (0:00 to 3:00) of the alignment tape CR5-2A or CR5-2A
PS, and perform the adjustment.
(DNW-A100/A50/A45: CR5-2A, DNW-A100P/A50P/A45P: CR5-2A PS)
Adjustment point: 1RV212/DM-89(G-6)
D = 400 ± 40 mV p-p
Specification:
(11) Stop the playback of the alignment tape CR5-2A/
CR5-2A PS .
6-20
C
D
A B
RV704
D902
ON
E303
S901
OFF
E901
TP702
TP701
RV702
TP305
RV701
RV301 RV302 RV303 RV304
S301
TEST
E302
TEST NOR
TP303
TP304
TP302
TP300
E301
C D DM-89 E
ON
RV703 OFF
RV504
TP8 TP6 S501 TP2 TP1 RV503
E702
TP7
TP5 TP4 TP3
TP705
TP505
TP704
TP503 TP504
E701
TP502
TP703 E501
RV501 RV502
TP501
RV507 RV506
TP500
TP106
TP700 TP306
TP506
TP208
RV401
RV305
RV102 RV104
RV402 RV306
RV407
S302
RV406 RV307
RV101 RV103
NOR
RV308
E102
TP104
TP103
RV405
S101
TP102
NOR
TEST
TP403
E103
TP404
TP100
E101
DM-89 Board (Side A)
DNW-A100P/A50P/A45P
F G
E105
A No. LOTNO, S NO,
1
2
3
TP105
4
RV105
RV106
RV107
RV202
5
RV201
RV108 E104
S102
TEST NOR
RV212
RV211
6
TP202 RV205
TP204
TP203
E902 7
DNW-A100/A50/A45