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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
LC-10A3H-S/A LC-10A3M-S/A
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. Preparations for Adjustments
Use the specific AC adaptor or a regulated DC power supply. AC adaptor : UADP-0209CEZZ (Type 10 non-polar LC10A3H/M) DC power supply : 12 V, 3.2 A
2. Calling the adjustment process mode
The mode can be called up in the following two ways. » Set either the KEY4 (Pin 81 of microprocessor) or KEY5 (Pin 82 of microprocessor) to the L level and turn on the power.
3. Key operation in adjustment process mode
Selecting a reception channel » Using the CH UP/DOWN keys, search up and down a reception channel. Clicking on the keys : Channels are selected up or down one by one. Holding down the keys : The next receivable channel is searched up or down. » Various adjustments Each of the adjustments is made by selecting an item on the menu and using the CH UP/DOWN and VOL UP/ DOWN keys (on the TV set and remote controller). » Using the menu select key, the adjustment items are picked up alternately. (Picking the next item) When the bottom item is selected and the menu select key is activated, the top item on the next page will be selected instead. » Using the picture select key, the adjustment items are picked up alternately. (Picking the previous item) When the top item is selected and the picture select key is activated, the bottom item on the previous page will be selected instead. » When an item is selected and the auto preset key is activated, the top item on the next page will always be selected. Page 1 � Page 2 � ... � Page 15 � Page 1 ... » When an item is selected and the manual memory key is activated, the top item on the same page will always be selected. Using the VOL UP/DOWN keys, the setting of the selected item can be turned up or down. » Suppose PAL/NTSC is selected for p.14 and p.15. Using the VOL UP/DOWN keys, the register select mode is called and the cursor goes to Address 01. » The CH UP/DOWN keys are used to move up and down the cursor and the VOL UP/DOWN keys to move it right and left. The key 12 is then used to fix an item. Once fixed, the cursor will go to the item�s current setting. Using the VOL UP/DOWN keys, modify the setting as required. Save the setting with the key 12 and return to the address select screen. Using the menu select key as usual, move to the next item. The cursor moves as follows by using the VOL UP/DOWN keys on the address select screen. Example : 01 �� 02 �� 03 �� 01 �� ... The cursor moves as follows by using the CH UP/DOWN keys. Example : 02 �� 05 �� ... �� 06 �� 02 �� ...
4. Initialization
Here is the procedure of initializing the EEPROM and making model number and size settings. 4-1. Get Pins (81) and (82) of the IC2001 (microprocessor) grounded and turn on the power. 4-2. Select a model number (A1, A2H, A2U). For Models LC-10A3H and LC-10A3M, select A2H. 4-3. Select a size in inches (10, 12, 15, 20). For Models LC-10A3H and LC-10A3M, select 10. 4-4. Get Pins (81) and (82) of the IC2001 (microprocessor) back to normal.
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