Dcs Transmitter - Samsung SGH-X480 Service Manual

F low Chart of Troubleshooting

11. DCS transmitter

F 900 p in #5 :
ab ou t 2~3
d B m ?
Y E S
C O N 901, C 903
ch eck & ch an ge
C 910 : 3.7 V ?
R 903 &U 900
N O
¡Ö-5d B m?
change or
U 801
ch an ge or
resold er
N O
F 900
p in #10 : 3 V ?
Y E S
L 902:
¡Ö4~5d B m ?
N O
Y E S
U 900
ch eck&ch an ge
N O
B A T T E R Y , U 801
ch eck&ch an ge
Y E S
N O
B etw een
: 1.2V ?
Y E S
R 901:
Y E S
U900
resolder
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This Document can not be used without Samsung's authorization
N O
U 100
ch eck&ch an ge
R 903
ch eck&
ch an ge
Y E S
7- 12
C O N TIN U O U S TXO N C O N D ITIO N
C H: 698C H (D C S),660C H (P C S)
T XP O W E RC O D E : 350 C O D EA P P L IE D
R B W: 100K H z
V B W: 100K H z
SP A N: 10M H z
R E FL E V . : 10d B m
A T T . : 20d B
N O
U 100
ch eck