Sony Betacam SX DNW-A100 Maintenance Manual page 316
Digital video hybrid recorder
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Also See for Betacam SX DNW-A100:
- Maintenance manual (506 pages) ,
- Operation manual (134 pages) ,
- Brochure & specs (14 pages)
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6-5. EQ-56 Board Replacement
(5) Connect and set the oscilloscope as follows:
CH-1:
TP100/DM-89(F-7), AC 100 mV/DIV, 2 ms/DIV, GND: E101/DM-89(F-7)
CH-2:
TP4/DM-89(E-1), GND: E702/DM-89(D-1), trigger channel
(6) To perform the alignment tape operation, press the SET button once.
(7) Playback the flat field signal portion (24:00 to 26:00) of the alignment tape CR5-1B or CR5-1B PS.
(DNW-A100/A50/A45: CR5-1B, DNW-A100P/A50P/A45P: CR5-1B PS)
(8) To operate the maintenance mode, press the MENU button once.
(9) Perform the METAL Y adjustment.
n
Adjust respectively for Y-A and Y-B channels.
When watching the Y-A channel, set the trigger of oscilloscope to _ slope.
When watching the Y-B channel, set to + slope.
Adjustment points: Y-A channel:
Y-B channel:
Specifications (Y-A and Y-B channels): A = 380 ± 20 mV p-p
(10) To perform the tape operation, press the SET button once.
(11) 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
TP5
TP704
TP703
TP702
TP701
RV702
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)
6-78
A30 : EQ VR : RF GAIN METAL-Y-A
A30 : EQ VR : RF GAIN METAL-Y-B
A
D
DM-89
E
F
G
ON
OFF
RV504
E105
S501
TP3
TP2
TP1
RV503
A No.
LOTNO,
S NO,
TP4
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
E101
TP203
E902
Center of V period
1
2
3
4
5
6
7
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
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