Sony Betacam SX DNW-A100 Maintenance Manual page 343
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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3. VCO Lock-in Range Adjustment
Measuring equipment: Oscilloscope
(1) Set the following RVs on TBC-24 board to each specified position as shown below.
n
Perform step (1) only when the board number suffix is 11 or 12.
(2) Connect and set the oscilloscope as follows:
CH-1:
TP403/TBC-24(G-5), DC 1 V/DIV, GND: E301/TBC24 (G-6)
CH-2:
TP603/TBC-24(C-6), DC 1 V/DIV, GND: E502/TBC24 (D-6)
(3) Playback the color-bar signal portion (14:00 to 17:00) of the alignment tape CR5-1B or CR5-1B PS,
then adjust each DC level of Y side and C side.
(DNW-A100/A50/A45: CR5-1B, DNW-A100P/A50P/A45P: CR5-1B PS)
Adjustment points: Y(CH-1) side: 1LV401/TBC-24(F-6)
C(CH-2) side: 1LV601/TBC-24(B-6)
Specifications (Y and C) :
(4) Stop the playback of the alignment tape CR5-1B/CR5-1B PS or eject it.
n
It is not necessary to eject the alignment tape when perform subsequent "4. FAST VCO Tracking
Adjustment".
A
B
C
TP201
E200
RV500
TP203
RV200
RV501
LOT No.
S No.
A No.
RV201
RV202
TP202
E501
TP500
TP601
RV503
TP602
TP604
TP606
RV502
TP603
RV601
LV601
RV604
TP605
TP303
TBC-24 Board (Side A) (Suffix-11 and -12)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
45d
RV404 (G-6)
2.0 ± 0.2 V dc
D
E
F
G
TBC-24
RV300
RV101
TP101
TP103
RV102
E100
TP102
RV400
RV402
TP300
TP401
TP400
E302
RV303
TP403
TP404
TP402
TP301
TP406
RV404
LV401
E301
RV401
TP302
TP405
E502
45d
RV604 (B-6)
A
B
RV500
RV201
RV501
TP203
1
A No.
2
3
E501
TP500
TP601
4
5
RV503
TP602
TP604
RV502
TP603
LV601
6
7
TBC-24 Board (Side A) (Suffix-13 and higher)
6-8. TBC-24 Board Replacement
C
D
E
F
TBC-24
RV504
TP201
RV300
E200
RV101
TP101
LOT No.
S No.
E100
RV400
RV402
TP300
TP401
E302
RV303
TP606
TP404
TP402
RV601
LV401
RV401
TP405
E502
TP605
TP303
G
TP103
1
2
3
4
5
TP403
TP406
E301
6
7
6-105
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