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9. Non-liner Output Level Adjustment
Measuring equipment: Oscilloscope
(1) Connect and set the oscilloscope as follows:
TP505/DM-89(E-2), AC 200 mV/DIV, 10 µs/DIV, GND: E501/DM-89(E-3)
CH-1:
(2) METAL Y adjustment
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-A22: CR5-1B, DNW-A22P: CR5-1B PS)
Adjustment point: 1RV503/DM-89(F-1)
A = 1.00 ± 0.01 V
Specification:
A
DNW-A22
(3) Stop the playback of the alignment tape CR5-1B/CR5-1B PS.
A
B
C
RV704
RV703
D902
ON
E303
TP8
TP7
TP6
S901
OFF
E901
TP704
TP702
TP701
RV702
TP305
RV701
TP700
TP306
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)
DNW-A22/A22P
D
DM-89
E
F
G
OFF
ON
RV504
E105
TP5
S501
TP4
TP3
TP2
TP1
A No.
LOTNO,
S NO,
E702
RV503
TP505
TP705
TP503
TP504
E701
E501
TP502
TP703
RV501
RV502
TP501
RV507
RV506
TP500
TP105
TP106
TP506
RV305
RV105
RV102
RV104
RV306
RV106
RV107
RV307
RV101
RV103
RV202
RV201
RV308
RV108
E104
E102
TP104
S102
TP103
TEST
NOR
S101
RV211
RV212
TP102
TEST
NOR
E103
TP202
RV205
TP204
TP100
TP203
E101
E902
A
1
2
3
4
5
6
7
6-3. DM-89 Board Replacement
DNW-A22P
6-49
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