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Thank you very much for this Service Manual, it helped us a lot to repair the M-4318!
...BUT: The parts list is missing and the free parts katalog on web isn't complete, so now we don't know the part numbers of the defect parts :(
We had to build them out of a working machine, and need the numbers to reorder the missing parts now.
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Very good manual with clear electrical diagrams. Thanks owner-manuals.
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Great manual, thank you, sony kp46s3 service manual perfectly, i am very happy.
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Complete original Service Manual in good (scan) quality!
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Very good manual. Plenty of service information including alignment instructions. Clear circuit diagram. Excellent, thank you.
ELECTRICAL ADJUSTMENTS
(TV SECTION)
2-4: CONSTANT VOLTAGE (AC) 1. Connect the digital voltmeter to TP401. 2. Set condition is AV MODE without signal. 3. Adjust the VR502 until the DC voltage is 101 ± 0.5V. 2-5: CONSTANT VOLTAGE (DC) 1. Connect the digital voltmeter to TP401 . 2. Set condition is AV MODE without signal. 3. Adjust the VR501 until the DC voltage is 100 ± 0.5V. 2-6: CUT OFF 1. Place the set with Aging Test for more than 15 minutes. 2. Set condition is AV MODE without signal. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (5) on the remote control to select "OTHERS". The Fig. 2-2 appears on the display. 5. Press the channel button (5) on the remote control to select "CUT OFF". 6. Adjust the Screen Volume until a dim raster is obtained. 2-7: FOCUS 1. Receive a broadcast. 2. Turn the Focus Volume fully counterclockwise once. 3. Adjust the Focus Volume 2-8: WHITE BALANCE NOTE: Adjust after performing CUT OFF adjustment. 1. Place the set with Aging Test for more than 15 minutes. 2. Receive the white 100% signal from the Pattern Generator. 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (2) on the remote control to select "AKB". The Fig. 2-3 appears on the display. 5. Press the channel button (2) on the remote control to select the "R. BIAS". 6. Using the PLAY or STOP button on the remote control, adjust the R. BIAS. 7. Press the CH. UP/DOWN button on the remote control to select the "G. BIAS", "B. BIAS", "R. DRIVE", "G. DRIVE" or "B. DRIVE". 8. Using the PLAY or STOP button on the remote control, adjust the G. BIAS, B. BIAS, R. DRIVE, G. DRIVE or B. DRIVE. 9. Perform the above adjustments 7 and 8 until the white color is looked like a white. until picture is distinct. 2-10: VERTICAL SIZE NOTE: Adjust after performing adjustments in section 2-8. 1. Receive the cross hatch signal from the Pattern Generator. 2. Using the remote control, set the brightness and 3. contrast to normal position. Activate the adjustment mode display of Fig. 1-1 and press the channel button (1) on the remote control to select "H/V". The Fig. 2-4 appears on the display. Press the channel button (3) on the remote control to select "V. SIZE 50/60". Press the PLAY or STOP button on the remote control until the rectangle on the center of the screen becomes square. Receive a broadcast and check if the picture is normal. Receive the cross hatch signal of NTSC. (Audio Video Input) Press the AV button on the remote control to set to the AV mode. Then perform the above adjustments 2~5. Fig. 2-4 2-9: HORIZONTAL PHASE 1. Receive the center cross signal from the Pattern Generator. 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 (1) on the remote control to select "H/V". The Fig. 2-2 appears on the display. 4. Press the channel button (1) on the remote control to select "H. PHASE". 5. Press the PLAY or STOP button on the remote control until the vertical line becomes fit to the notch of the shadow mask. 1. H. PHASE 2. H. BLK 3. V. SIZE 50/60 4. V. POSI 50/60 5. V. LIN 50/60 6. V. SC 50/60 7. V. COMP 8. (H FREQ)
0. RETURN
4. 5.
6. 7. 8.
1. AKB AUTO 2. R. BIAS 3. G. BIAS 4. B. BIAS 5. R. DRIVE 6. G. DRIVE 7. B. DRIVE 8. AGC AUTO
0. RETURN Fig. 2-3 D2-2
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