Sony DNW-A100 Maintenance Manual page 444

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) 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)
(9) 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:
(10) Eject the alignment tape CR5-2A/CR5-2A PS.
6-32
C
D
A B
RV704
D902
ON
E303
S901
OFF
E901
TP702
TP701
RV702
TP305
RV701
RV301 RV302 RV303 RV304
S302
S301
TEST
E302
TEST NOR
TP303
TP304
TP302
TP300
E301
C D DM-89 E
RV703 OFF ON
RV504
TP8 TP6 S501 TP2 TP1 RV503
TP3
TP7
E702
TP5 TP4
TP705
TP505
TP704
TP503 TP504
E701
TP502
TP703 E501
RV501 RV502
TP501
RV507 RV506
TP500
TP106
TP700 TP306
TP506
RV401 TP208
RV305
RV102 RV104
RV402 RV306
RV307
RV101 RV103
NOR
RV308
RV407
RV108
E102
RV406
TP104
TP103
RV405
S101
RV211
TP102
TEST NOR
TP403
E103
TP404
TP100
E101
DM-89 Board (Side A)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
F G
E105
A No. LOTNO, S NO,
1
2
3
TP105
4
RV105
RV106
RV107
RV202
5
RV201
E104
S102
TEST NOR RV212
6
TP202 RV205
TP204
TP203
7
E902