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Good quality, the manual help me to repair the echo/reverb section
Text excerpt from page 21 (click to view)
ELECTRICAL ADJUSTMENTS
2-12: BRIGHT CENT 1. Receive the monoscope 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 (16) on the remote control to select �BRI CENT�. 4. Press the VOL. UP/DOWN button on the remote control until the white 0% is starting to be visible. 5. Receive the monoscope pattern. (Audio Video Input) 6. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~4. 7. Press the TV/VIDEO button on the remote control to set to the CS mode. 8. Activate the adjustment mode display of Fig. 1-1 and press the channel button (16) on the remote control to select �BRI CENT�. 9. Press the VOL. UP/DOWN button on the remote control until the costrast step No. becomes �77�. 2-13: TINT/COLOR CENT 1. Receive the color bar pattern. 2. Connect the oscilloscope to TP024. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (24) on the remote control to select "TINT". 4. Press the VOL. UP/DOWN button on the remote control until the section "A" becomes as straight line (Refer to Fig. 2-3) 5. Connect the oscilloscope to TP023. 6. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) on the remote control to select "COL.CENT". 7. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 115 ± 10% of the white level. (Refer to Fig. 2-4) 8. Receive the color bar pattern. (Audio Video Input) 9. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments 2~7. 10.Press the TV/VIDEO button on the remote control to set to the CS mode. 11.Activate the adjustment mode display of Fig. 1-1 and press the channel button (24) on the remote control to select "TINT". 12.Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes �55�. 13.Press the CH DOWN button 2times to set to �COL.CENT� mode. 14.Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes �62�. 15.Receive a broadcast and check if the picture is normal.
"A"
Fig. 2-3
white 100% red 115% Fig. 2-4
2-14: CONTRAST MAX 1. Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to select �CONT. MAX�. 2. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes �64�. 3. Receive a broadcast and check if the picture is normal. 4. Press the TV/VIDEO button on the remote control to set to the AV mode. Then perform the above adjustments. 5. Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to select �CONT. MAX�. 6. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes �86�. 7. Press the TV/VIDEO button on the remote control to set to the CS mode. 8. Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to select �CONT. MAX�. 9. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes �90�.
