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I purchased a copy of my old JVC VCR Service manual from Owner-Manuals.com
The copy was complete and valuable to me.
I was able to fix my VCR - it had a bad belt.
I am glad I found Owner-Manuals.com
Great Price. Thanks
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Great service! I got manual to my sony receiver for very reasonoble price.
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Good service, well organized. Cheap, and the service manual was as expected. A valuable service for those of us wanting to keep the old junk going!
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The manual arrived very quickly and had all the information I needed - Very satisfied with this seller. - Thanks -
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Good quality, the manual help me to repair the echo/reverb section
2. Adjustment Procedure (1) How to activate adjustment mode Turn ON the power (set 1.30V batteries terminal) while shorting TEST of the main circuit board. Once adjustment mode is activated, LCD will all light up and EL backlight will be turned ON. Then it displays âManufacture MODEâ.
(2) Using the multimeter, measure the DC voltage between VDD-GND of the test point. Check that the voltage between VDD-GND is more than 2.3V. If it has not reached 2.3V, short the VO ADJ. of the test point with the solder. (3) EEPROM Initialization Press the âDISPLAYâ key. âEP INT OKâ appears on the display. Press âPLAY/STOPâ key to display âIDLEâ.
(4) PIT disc (TEST DISC: TGYS1 or TDYS-1) Press âF-SKIPâ and âB-SKIPâ keys to shift the pick-up towards the centre. Insert the disc and press âPLAY/STOPâ key. (Make sure the top panel is upward) LCD of the remote controller will be displayed âAUTO ADJ Hâ first, then âCOMPLETEâ. Press âPLAY/STOPâ key again to display âIDLEâ. * If it displayed âFailedâ during adjustment, it means that some abnormalities are detected and the operation is terminated. (5) GRV disc (SONY MDW-74) Insert the disc and press âPLAYâ key. (Check the facing direction of the set) LCD of the remote controller will be displayed âAUTO ADJ Lâ first, then âCOMPLETEâ. Press âPLAY/STOPâ key again to display âIDLEâ. * If it displayed âFailedâ during adjustment, it means that some abnormalities are detected and the operation is terminated. (6) Checking RF Level and Error Rate TEST DISC: Insert TGYS1 or TDYS-1. Press âââ key, display â032c 00eâ and playback. Make sure if the error rate is below â50eâ. Check the RF waveform (TP3) with an oscilloscope and it is within the 1.0±0.2V p-p. Press âPLAY/STOPâ key to display âIDLEâ. Press â+â key of the remote controller. Display â600c 00eâ and playback. Make sure if the error rate is below â60eâ.
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