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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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Good pdf of the service manual for this unit. Includes disassembly instructions, full schematics, board layouts, parts lists and diagnostic information. Some information is in the pdf twice (single pages, and split pages), but that could be how it was originally generated by panasonic, or perhaps the idea is to make it eaiser to put onto 8.5 x 11" pages.
Information was exactly what I needed. Delivery was overnight (less than 12 hours) and I was happy with the process.
LC-20E1H LC-20E1M
ADJUSTING PROCEDURE OF EACH SECTION
The best adjustment is made before shipping. If any position deviation is found or after part replace is performed, adjust as follows.
1. Preparation for Adjustments
(1)Use the exclusive-use AC adapter or stable DC power supply. AC adapter: UADP-0241CEPZ DC power supply: 13 ± 0.5V 5.4A
[1] Adjustment Procedure
1-1. Adjusting the checker Turning on the power (initialization) � Setting the model and size in inches � Transferring the model-specified data to the E2PROM (I2C) � Calling the adjustment process mode � Starting the adjustment (+B adjustment) 1-2. Adjusting the finish process Reassembling the set � Turning on the power � Calling the adjustment process mode (using the remote controller) � Adjusting the counter bias, TV contrast and white balance
[2] Calling the MAIN adjustment process mode
There are the following two ways to choose from. � Set the Pin (81) (KEY4) or Pin (82) (KEY5) of IC2001 (microprocessor) to "L", turn on the power. � For servicing, hold down the TV/VIDEO and MENU keys at once, and turn on the POWER switch. (Make sure the process mode "K" appears at the top left of the screen.) Then press the CH DOWN and VOL DOWN keys at once. (Make sure the adjustment process mode screen shows up.) To quit this mode, turn off the power. (Or turn off the POWER switch or use the remote controller�s OFF key.)
[3] Using the keys for the adjustment process
Selecting a reception channel � Using the CH UP/DOWN key, turn up and down reception (broadcasting) channels. Just click on the key, and channels are selected on by one. Hold down the key, and the next receivable channel is searched up and down. � Adjustment items Adjust each of the items by using the MENU SELECT, CURSOR UP/DOWN and VOL UP/DOWN keys (on the set or on the remote controller). � Select an adjustment item using the CURSOR UP/DOWN key. � An adjustment item is toggled on and off by activating the MENU SELECT key (next item). Let�s suppose that the item at the bottom of a page is now selected. When the MENU SELECT key is activated here, the item at the top of the next page will be selected.
[4] Initialization
4-1. Set pins (81) and (82) of IC2001 (microprocessor) to GND. Turn on the power. 4-2. Select a model number (E1H). 4-3. Select the inch size (20).
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