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reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!
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Manual was just as described!!! I odered it and in less than a day was able to download it and the text was clear and pages were all complete just as the original manual was. Purcashed this for a friend and they were more than happy. Perfect all around!
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Excellent service and prompt delivery. But it's not a manual - only 4 pages wiring diagrams.
Thanks.
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The manual I purchased was exactly what I needed to repair my Toshica television. The manual contained schematics and troubleshooting information that was very helpful.
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Il download del Service Manual JVC HR 4100 non é stato eseguito
ELECTRICAL ADJUSTMENTS
2-6: WHITE BALANCE
CH-2
NOTE: Adjust after performing CUT OFF adjustment. 1. Place the set with Aging Test for more than 15 minutes. 2. Receive the color bar pattern. 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 (10) on the remote control to select "R CUT OFF". 5. Using the VOL. UP/DOWN button on the remote control, adjust the R CUT OFF. 6. Press the CH. UP/DOWN button on the remote control to select the "R DRIVE", "B DRIVE", "G CUT OFF" or "B CUT OFF". 7. Using the VOL. UP/DOWN button on the remote control, adjust the R DRIVE, B DRIVE, G CUT OFF or B CUT OFF. 8. Perform the above adjustments 6 and 7 until the white color is looked like a white. 2-7: FOCUS 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Turn the Focus Volume fully counterclockwise once. 4. Adjust the Focus Volume until picture is distinct. 2-8: HORIZONTAL PHASE 1. Receive the monoscope pattern. 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 (05) on the remote control to select "H PHAS". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum. 2-9: VERTICAL SHIFT 1. Receive the monoscope pattern. 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 (07) on the remote control to select "V SFT". 4. Check if the step No. V. SHIFT is "03". 5. Adjust the VR401 until the horizontal line becomes fit to the notch of the shadow mask.
CH-1 6.5H
Fig. 2-1-B 2-2: VCO FREERUN 1. Receive the VHF HIGH (63dB). 2. Place the set with Aging Test for more than 10 minutes. 3. Connect the digital voltmeter between the pin 5 of CP351 and the pin 1 (GND) of CP351. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (03) on the remote control to select "V.VCO". 5. Press the VOL. UP/DOWN button on the remote control until the digital voltmeter is 2.5V. 6. After the 2.5V adjustment, countdown the VIF VCO step No. by 1 step with the VOL. DOWN button. 2-3: RF AGC 1. Receive the VHF HIGH (63 ± 1dB). 2. Connect the digital voltmeter between the pin 5 of CP351 and the pin 1 (GND) of CP351. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (02) on the remote control to select "RF AGC". 4. Press the VOL. UP/DOWN button on the remote control until the digital voltmeter is 2.7 ± 0.05V.
(TV SECTION)
2-4: CONSTANT VOLTAGE 1. Using the remote control, set the brightness and contrast to normal position. 2. Connect the digital voltmeter to TP601 (R520). 3. Set condition is AV MODE without signal. 4. Adjust the VR502 until the digital voltage is 135 ± 0.5V. 2-5: CUT OFF 1. Adjust the unit to the following settings. R CUT OFF=127, G CUT OFF=127, B CUT OFF=127, SUB BRI.CENT=127, SUB CONT.MAX=100 2. Place the set with Aging Test for more than 15 minutes. 3. Set condition is AV MODE without signal. 4. Using the remote control, set the brightness and contrast to normal position. 5. Activate the adjustment mode display of Fig. 1-1 and press the channel button (01) on the remote control to select "CUT OFF". 6. Adjust the Screen Volume until a dim raster is obtained.
D3-2
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