JEM ZR12-AL, Руководство по обслуживанию

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How To Change A PCB:
REFER TO SCHEMATICS / DIAGRAMS IN THE APPENDIX FOR MORE DETAILS
PCB
1. DISCONNECT FROM MAINS SUPPLY.
2. Remove TOP COVER .
3. Remove the 2 screws at the bottom of the PCB HEATSINK from INSIDE THE BOTTLE
COMPARTMENT holding the nut that is inside the PCB compartment.
4. Disconnect the PCB WIRING LOOMS from the PCB (Note orientation before removal).
5. Remove the 4 PLASTIC RIVETS from the 5-pin din sockets.
6. The PCB is mounted on 2 mounting posts which will need to be squeezed to remove the pcb.
7. Remove the HEATSINK from the PCB by removing the 2 screws/nuts/washers.
REFITTING:
8. Fit the HEATSINK to the PCB using the 2 screws/nuts adding THERMAL TRANSFER
PASTE underneath component Q6.
9. Fit new PCB to the mounting posts.
10. Insert the 4 PLASTIC RIVETS into the din sockets.
11. Insert the 2 screws into the heatsink from the bottle compartment and secure with the nuts in
the PCB compartment.
12. Reconnect the PCB WIRING LOOMS (Observe polarity).
13. Refit the TOP COVER .