|
|
|
Who's Online
There currently are 5588 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
High quality scan of original Service Manual. Everything´s fine!
 ;
Good scan of the original service manual. All schematics and adjustment procedures are there. It helped me to fix a long lasting problem with the tracking circuitry. The manual also includes the supplementals 1,2 and 3. Included are; electrical schematic's , pcb layout's, mechanical drawing's and exploded views, disassembly manual and maintenance procedures. 236 pages.
;
The Service Manual received was helpful. The electronic information is exactly what I needed.
I recomend all of my friends about this technical page.
;
High quality scan of service manual. I am satisfied!
;
Excellent copies.
I will use "Owner Manual" again a second time.
6. PRECAUTIONS FOR REPAIR : QW-1680 6-1. AC (ALL CLEAR) AND REMOVING OF MODULE
1.Perform AC (ALL CLEAR) when inserting a new battery, or else the memories and/ or counters may give erratic displays. Touch the AC contact and the positive (+) side of the battery or main plate with the metalic tweezers. The contact should be made for about two seconds. For 2 seconds after the AC operation, do not make any button operations on these modules. 2.On removing of the module from the case, please insert the precision screw driver between the module and the case pointed by arrows.
Metallic tweezers
6-2. ACCURACY CHECKING
Check the accuracy of the module with the quartz timer after switching the module to "ACCURACY CHECKING MODE". The operations are shown below: A) SWITCHING TO "ACCURACY CHECKING MODE" Keep pushing the C button and continuously push the A , B buttons at the same time at the normal time keeping mode. Then all the segments are displayed and the LCD drive signals are changed to the static drive signal of "32 Hz" so that you can check the accuracy with the quartz timer. B) CANCELLATION OF THE "ACCURACY CHECKING MODE" Push any button. Then the display is returned to its original state. NOTE: The "ACCURACY CHECKING MODE" will automatically return to the regular mode in 1 ~ 2 hour(s) without any operation.
-8-
|
|
|
> |
|
