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|File name:||Technical_Info_®_.pdf |
[preview AM-C80 (F80)] new window
|Original Chassis:||REF.No. G-A0-084-E0 [01 Nov. 2000]|
|Descr:||Service Techincal Information [mod. AM-C80, AM-F80, AM-C75, AM-F75, AM-F72] Subjet: No power. Pag. 1|
|Group:|| > > |
|Information about the files in archive:|
|File name||Text |
Service Technical Information
AM -C80 / F80 / C75 / F75 / F72
REF.No. :G - A0 - 084 - E0 DATE :01. NOV. 2000
Check for the symptoms on the models concerned, and take the following countermeasures. Power is not turned on even if a rechargeable battery or an AC adapter is connected. And "OPEN" indication appears only when the lid of unit is opened. Step 1: Measure resistance of R348 on the rear -panel side of main C.B. (See Fig -1) and check that the value is 2.2M . If the value of R348 is 100 , change the value into 2.2M . Note that a 100 resistor is connected in parallel with a 2.2M R348 resistor. Step 2: Remove Q303 on Mechanism side of MAIN C.B. (See Fig- 2), and re-mount Q303 in reversed direction (rotated in 180 degrees). Check "VK" indication on Q303. Step 3: Connect an AC adapter after taking the actions above, and leave the unit for more than 8 hours. Fig -1 Fig -2
MAIN C.B Bottom side
MAIN C.B Mech|
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