Flow Chart of Troubleshooting
9-23
9-2-6. PCS Tx
CONTINUS TX ON CONDITION
TX POWER DAC : 560 CODE
APPLIED
CH : 660CH(PCS)
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV : 10dBm
ATT : 20dB
Check PAM100
pin #6 is
about 2.8?
Check and change
RFS100, L104, L103,
C111, L101, C199
Yes
No
Yes
No
Yes
UCD101 pin #14
is 3.7V ?
No
Yes
UCD101 pin #2
is 1.8V ?
No
Yes
UCD101 pin #21
is about 26mHz?
No
Check and resolder or change
UCD107
Yes
UCD101 pin #20
is about 26MHz?
Yes
No
1
3
UCD101 pin #17
is 2.9V ?
No
Yes
No
Check PAM100
pin #19 is
about 4~5dbm?
Check PAM100
pin #12 is
about 2~3dbm?
Check UCD101
pin #11 is
about 4~5dbm?
No
Yes
Check and resolder or change
UCD101
Check and resolder or change
PAM100
Check and change
Battery, UCD107
Check UCD100
2
5
6
Check UCD101
6
Check OSC101
7
Check and resolder or change
C105, R195
4
3
Check UCD101
6
Summary of Contents for SGH-C266
Page 37: ...Flow Chart of Troubleshooting 9 2 ...
Page 38: ...Flow Chart of Troubleshooting 9 3 3 ...
Page 40: ...Flow Chart of Troubleshooting 9 5 ...
Page 43: ...Flow Chart of Troubleshooting 9 8 2 1 1 ...
Page 45: ...Flow Chart of Troubleshooting 9 10 2 1 ...
Page 48: ...Flow Chart of Troubleshooting 9 13 ...
Page 49: ...Flow Chart of Troubleshooting 9 14 1 2 3 4 5 ...
Page 51: ...Flow Chart of Troubleshooting 9 16 1 2 3 4 5 ...
Page 53: ...Flow Chart of Troubleshooting 9 18 1 2 3 4 5 ...
Page 55: ...Flow Chart of Troubleshooting 9 20 2 3 4 6 1 7 ...
Page 57: ...Flow Chart of Troubleshooting 9 22 2 3 4 6 1 7 ...
Page 59: ...Flow Chart of Troubleshooting 9 24 2 3 4 6 1 7 ...