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This manual is a complete guide, including later additions. It has all the necessary information about the replacement items. The material quality is great to read.
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This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
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Great item, high resolution, detailed, very easy to work with.
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fast delevery of the manual and very complete manual, now my Akai works again, will buy again, thanks.
DV-L88U
BATTERY END VOLTAGE ADJUSTMENT
1. Initial setting (1) Power supply Input 6.15V±0.05V to the DVD battery. Note1) Set the voltage on the DC input jack PWB of the main unit to the value specified above in the condition of DVD start-up (LCD lit). Note 2) Check the voltage with a calibrated measuring instrument. In case that drift is worried, check the voltage periodically. 2. Battery end voltage adjusting procedure and method (1) Select the battery detection error compensation adjustment mode. 1 Turn on the main power switch on while pressing the �UP� �DOWN� keys of the main unit at the same time. 2 Press the mode selection key. 3 Press the sound volume down button twice to enter the battery adjusting screen. 4 With button changing button, make the cross key to the cursor mode. (With 70 type remote controller, the cursor key can be used for operation as it is.) (2) Adjust with the right and left key so that the �BAT� value displayed on the LCD becomes �0�.
No. Item 1 S image Y output Checked place Checking method Standard, condition S terminal 1. Play the test disc TDV - 581A. 2. Check the Y output with an 1Vp-p ± 0.15Vp-p oscilloscope. 1. Play the test disc TDV - 581A. 2. Check the C output with an 0.286Vp-p ± 0.15Vp-p oscilloscope. 1. Press the STOP key and the V-CD:TDV-581A PLAY key of the main unit key 20/4 at the same time and check the error rate displayed on the display. DVD:TV-501 38/76 1. Press the return key and the Model name of the VOL-UP key of the main unit software key at the same time. Region code Transmit the numeric number Software Ver. key of R/C (1), next transmit play to check the model name and the region code, and transmit play again to check the software Ver. Play the title 49, chapter 1AC - 320 1.35Vrms ± 0.3Vrms mode of the test disc TV - 501 to check the sound output level. Connect the digital surround The sound from the digital processor to the digital sound surround processor must output and play the VCD to check be played properly. the sound output from the digital surround processor. Play the test disc TDV - 533 to check the played image on the monitor screen. It must be normally played. * No EJECT, rickety play or staying in LOAD condition are allowed. Remarks S terminal Y output Measure at 75� termination. S terminal C output Measure at 75� termination. When playing back.
2
S image C output S terminal
3
Error rate check
Display
4
Flash memory check
Display
When NO DISC.
5
Sound level check Audio output L/R
6
Digital sound output check
Digital sound output
7
Distorted disc playback check
Played image
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