Sony DNW-A100 Maintenance Manual page 9
Digital video hybrid recorder
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Also See for DNW-A100:
- Maintenance manual (416 pages) ,
- Operation manual (134 pages) ,
- Brochure & specs (14 pages)
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6-1.
General Information for Electrical Alignment ............................................ 6-1
6-2.
Servo/EQ Alignment after Replacing the Drum ......................................... 6-7
6-3.
6-4.
Electrical Adjustment after Replacing the AT Head ................................. 6-37
7-1.
Tape Path Adjustment ................................................................................. 7-1
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
6-1-1.
Notes on Electrical Alignment ................................................... 6-1
6-1-2.
Equipment and Tools Required .................................................. 6-2
6-1-3.
Content of Alignment Tapes ...................................................... 6-4
6-2-1.
Drum Phase Adjustment ............................................................ 6-8
6-2-2.
PB Equalizer Adjustment ........................................................... 6-9
6-2-3.
Recording Current Adjustment ................................................ 6-10
6-3-1.
Preparation ............................................................................... 6-13
6-3-2.
EQ RF Output Level Adjustment ............................................. 6-16
6-3-3.
DM RF Output Level Pre-adjustment ...................................... 6-19
6-3-4.
OMC Carrier Balance Adjustment ........................................... 6-21
6-3-5.
OMC Carrier Balance Adjustment (Provisional) ..................... 6-24
6-3-6.
Demodulator Limiter Balance Adjustment .............................. 6-24
6-3-7.
PB Frequency Response Adjustment ....................................... 6-27
6-3-8.
DM RF Output Level Adjustment............................................ 6-31
6-3-9.
RF Envelope Adjustment ......................................................... 6-33
6-3-10. Impact Error Offset Adjustment............................................... 6-34
6-3-11. TBC Y/C Delay Adjustment .................................................... 6-35
6-4-1.
Preparation ............................................................................... 6-38
6-4-2.
LAU PB Frequency Response Adjustment .............................. 6-40
6-4-3.
LAU Dolby Level Adjustment ................................................. 6-42
6-4-4.
LAU PB Level Adjustment ...................................................... 6-43
6-4-5.
LAU PB Phase Adjustment ...................................................... 6-44
6-4-6.
LTC Erasure Current Adjustment ............................................ 6-45
6-4-7.
LTC PB Level Check ............................................................... 6-45
6-4-8.
LTC OA Check ........................................................................ 6-46
6-4-9.
LTC Erase Ratio Check ........................................................... 6-47
7-1-1.
AT Head Zenith Check and Adjustment .................................... 7-6
7-1-2.
Tape-running Check and Adjustment ........................................ 7-8
7-1-3.
Video Tracking Check and Adjustment ................................... 7-14
7-1-4.
CTL Head Height Check and Adjustment ............................... 7-26
7-1-5.
CTL Head Position Check and Adjustment ............................. 7-28
7-1-6.
AT Head Height Check and Adjustment ................................. 7-31
7-1-7.
AT Head Azimuth Check and Adjustment .............................. 7-34
7-1-8.
AT Head Head-to-tape Contact Check and Adjustment .......... 7-37
7-1-9.
AT Head Position Check and Adjustment ............................... 7-40
7-1-10. Audio Level Check and Adjustment in REV Mode................. 7-42
7
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