Rf Troubleshooting; Rm-564 Rf Block - Nokia 6720 Service Manual

RF troubleshooting

RM-564 RF block

RM-564 is a WCDMA variant of the RM-424 with three different WCDMA RF components in the RF block .
The following three components are different between RM-424 and RM-564:
• RM-424 part codes:
• Z7521 4511124
• Z7542 4512072
• Z7544 4511798
• RM-564 part codes:
• Z7521 4511791
• Z7542 4512068
• Z7544 4511797
Page 7 –6
Figure 68 PWB markings in RM-564 and RM-424
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Service information differences between RM-564 and
RM-424; RM-564
RM-424
Issue 1