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Great Manual. This manual is available no where else. It was exactly what I was looking for.
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The TEAC A-1500's Service Manual was instrumental in reviving this classic reel-to-reel. Not only does it have the schematics, exploded parts diagram and parts list, it also provided mechanical adjustment information that approximate factory default settings.
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This service manual was determinant to enable to fix my Alpine Amplifier. I am pleased with my purchase. For a 5 star rating I would like to see a higher resolution scan of the printed circuit board lay-out because the gray scale grafics was dificult to see. Also some schematic diagrams were scanned at a slight angle. Never the less, it had all information I needed to troubleshoot and service my equipment.
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Complete manual, the good quality of reproduction allows enlarged print-out of the schematic diagram in the size it probably had in the original print edition and which is necessary for practical use.
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The service manual was complete and the components on the drawings very good visible.
Alignment and Adjustments
2-4 Other Adjustments
2-4-1 Screen Adjustment
1. Warm up the TV for at least 30 minutes. 2. Select the �STANDARD� Video mode. 3. Turn to the Video Mode (No Signal) using a remote-control. 4. Connect an oscilloscope to RK,GK,BK. 5. Adjust the VR Screen (in the Focus Pack) to have 20VP-P for the RK, GK and BK pulse. (Turn the R,G and B VR screen fully counterclockwise at each flyback line.) * Voltage adjustment connt be done using a normal multi-tester. For adjustment, use an oscilloscope. The voltage shown by the tester is false data because the AC peak to peak voltage is adjusted under DC conditions. 2. In the stand-by mode, press the remote-control keys in the following sequence :
MUTE POWER
2-4-3 Sub-Brightness Adjustment
1. Input a sub-brightness adjustment signal. (TOSHIBA PATTERN)
�
�
�
ENTER
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keys.
3. Select SBT by pressing the
4. Adjust so that the 63 step on the right side of the screen is not seen (Use the keys).
ENTER
5. Press the Menu key to exit.
2-4-2 White Balance Adjustment
1. Select the �STANDARD� video mode. 2. Input 100% white pattern. 3. In the stand-by mode, press the remote-control keys in the following sequence:
MUTE POWER
�
�
�
�
4. Warm up the TV for at least 30 minutes. 5. Input a 10-step signal. 6. R-cut off, B-cut off, and G-cut off by pressing the keys.
ENTER
7. Adjust the low light with viewing the dark side of the screen. 8. Select R-drive, G-drive, and B-drive by pressing the keys.
ENTER
9. Adjust the high light with viewing the light side of the screen. 10. If necessary, redo screen adjustments and 6~9. 11. Press the Add key to exit.
Samsung Electronics
2-13
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