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SAMSUNG Proprietary-Contents may change without notice
SGH-E600/E608 Flow Chart of Troubleshooting and Circuit Diagrams
2-
13
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4. GSM Transmitter
F1000 pin 15
about 2~3dBm?
F1000
pin 13 : 2.8V
U1001 pin11
pin 3~4dBm?
U700,U701
check & change
F1000
check & change
CN1000,
C1001,R1007
check & change
U1000
pin 4 : 3.7 V?
BATTERY, U100
check & change
U1000
pin 2 : 1.2 V
U1000
pin3:3V
U1000pin 6:
1.2 V?
U1000 pin 7
: -5dBm?
U1000
change & resolder
U700
check & change
U901
pin9,32
2.8V?
U901
pin 8 13MHz
Vp-p :950mV
U901change or resolder
U901
pin4,5,6,7
1.7V
U1000
check & change
U700
change
U100 pin39,C112
change or
resolder
OSC800
pin 3 :13MHz?
Vp-p : 950mV
OSC800
pin 4 : 3V ?
U901
change or
resolder
U100 pin39,c112
change or
resolder
OSC800
change or
resolder
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
CONTINUS TX ON
CONDITION
MS TX level 19
CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO