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Another excellent buy! A fully readable PDF archive. Good prints!!
![](includes/templates/template_default/images/stars_5.gif) ;
It is wonderful done!!! a great job in scanning the manual. Superior quality in all the electric scheme. Very understandable and net!!! Thank you!
![](includes/templates/template_default/images/stars_4.gif) ;
muy buen manual por lo completo de este algunos esquemas estan muy divididos lo que hace algo dificil el seguimiento.
![](includes/templates/template_default/images/stars_4.gif) ;
very good manual, with detail and clarity in esquematic diagrams and waveforms .
![](includes/templates/template_default/images/stars_5.gif) ;
Very quality copy of original service manual, which contains the circuit diagrams, PCB and lists of components, well as recommendation for calibration procedures of device, also everything else, that need for repair, tuning and use this oscilloscope.
All presented copies have high-resolution, so you can view all in detail.
This manual will very useful for simple owners and for repairers.
I recommend these manual, because myself is owner of Philips PM3216 and I need sometimes servicing these oscilloscope (principally calibrating).
Also, these document is an example of excellent design of technical documentation.
7521Plus / N N/B MAINTENANCE
4. Insert a minus screwdriver 101 (JIS standard) into the �OPEN� hole of the socket, and push the screwdriver toward the CPU to free the CPU. Now you can take out the CPU from the socket. (figure 2-4)
Figure 2-4
Reassembly
1. Align the arrowhead corner of the CPU with the beveled corner of the socket, and insert the CPU pins into the holes. Insert the flat screwdriver into the �CLOSE� hole of the socket, and push the screwdriver toward the CPU to secure the CPU in place. 2. Connect the fan�s power cord to the system board, fit the heatsink onto the top of the CPU and secure with four screws. 3. Replace the CPU compartment cover and secure with two screws.
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