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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.
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downloaded next day , manual is very helpful , fast and easy
ELECTRICAL ADJUSTMENTS
2-14: SUB BRIGHTNESS 1. Receive the black pattern*. (RF Input) 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 4. Press the channel button (1) on the remote control. 5. Press the VOL. UP/DOWN button on the remote control until the screen begin to shine. 6. Receive the black pattern*. (Audio Video Input) 7. Press the TV/VCR button on the remote control to set to the AV mode. Then perform the above adjustments 2~5. *The Black Pattern means the whole black raster signal. Select the "RASTER" of the pattern generator, set to the OFF position for each R, G and B. 1. BRIGHT 2. CONTRAST 3. COLOR 4. TINT 5. SHARPNESS 6. OSD CONT 7. 8. 2-16: SUB TINT 1. Receive the color bar pattern. (RF Input) 2. Using the remote control, set the brightness, contrast, color and tint to normal position. 3. Connect the synchro scope to TP803. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 5. Press the channel button (4) on the remote control. 6. Press the VOL. UP/DOWN button on the remote control until the section "A" becomes a straight line. (Refer to Fig. 2-7) 7. Receive the color bar pattern. (Audio Video Input) 8. Press the TV/VCR button on the remote control to set to the AV mode. Then perform the above adjustments 2~6.
"A" 0. RETURN Fig. 2-5 Fig. 2-7 2-17: SUB CONTRAST 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 2. Press the channel button (2) on the remote control. 3. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "82" 4. Press the TV/VCR button on the remote control to set to the AV mode. 5. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 6. Press the channel button (2) on the remote control. 7. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "97" 2-18: SUB SHARPNESS 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 2. Press the channel button (5) on the remote control. 3. Check if the step No. of SHARPNESS is "24". 4. Press the TV/VCR button on the remote control to set to the AV mode. Then perform the above adjustments 1~3. 2-19: OSD CONTRAST 1. Using the remote control, set the brightness and contrast to normal position. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 3. Press the channel button (6) on the remote control. 4. Check if the step No. of OSD CONT. is "0". D2-3
2-15: SUB COLOR 1. Receive the color bar pattern. (RF Input) 2. Using the remote control, set the brightness, contrast, color and tint to normal position. 3. Connect the synchro scope to TP801. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control. The Fig. 2-5 appears on the display. 5. Press the channel button (3) on the remote control. 6. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 5 scales on the screen of the oscilloscope. 7. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 100 ± 5% of the white level. (Refer to Fig. 2-6) 8. Receive the color bar pattern. (Audio Video Input) 9. Press the TV/VCR button on the remote control to set to the AV mode. Then perform the above adjustments 2~7. White 0% 0%
100%
Red Level White 100% Fig. 2-6
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