Samsung SGH-i560V Service Manual page 92
Gsm telephone
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Also See for SGH-i560V:
- User manual (106 pages) ,
- User manual (7 pages) ,
- User manual (125 pages)
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Flow Chart of Troubleshooting
9-2-6. Abnormal EGSM Rx Operation
RX ON
AMP--50dBm
U202 PIN8
≥ -60dBm
U202 PIN4
≥ -70dBm
U202 PIN3,4
≥ -75dBm
U201 PIN48,
49 ≥ -75dBm
Check U201,
UCP400
END
YES
NO
YES
NO
YES
NO
YES
NO
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Resolder RFS200,
L203,C236,L219
Check U202
PIN28=H, PIN27=L
PIN1=H
YES
Resolder or Change
F202,C264,L206
Resolder or Change
C263,C265,L208
PIN28
PIN27
PIN1
9-48
Check Antenna
Switch Control
Resolder or Change
U202
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