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4. Block Diagrams
4-1 Main Baseband
Block Diagrams
4-1
Batter
y
T
ype
Batter
y
V
oltage
Batter
y
T
emper
ature
AFC
PLL
Charging
Circuit
Li-Ion Batter
y
(Slim,Standard)
ONE C
VIBRA
T
O
R
SYSTEM CLOCK
(13MHz)
EEPR
OM
R
TC_CLOCK
(32.768KHz)
KEY_BO
ARD
SIM CARD
RECEIVER
MIC
LCD
RF INTERF
A
C
E
2V8RFVCC
LVCC
D
VCC2.5
R
TC_2V8
R
TC_VCC
2V8AER
O
A
VCC2.5
VDD3.0
Ser
ial Data
Interf
ace
I/O
Interf
ace
A/D
Interf
ace
BB INTERF
A
C
E
MELOD
Y IC
(40 P
oly)
SPEAKER
SRAM
(32M bit)
FLASH
(96M bit)
Summary of Contents for SGH-T400
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 12 2002 Rev 1 0 GH68 03158A ELECTRONICS ...
Page 11: ...2 1 PCB Diagrams 2 PCB Diagrams 2 1 Main Top ...
Page 12: ...2 2 PCB Diagrams 2 2 Main Bottom ...
Page 26: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 2 ...
Page 30: ...5 6 Flow Chart of Troubleshooting and Circuit Diagrams ...
Page 38: ...5 14 5 8 Receiver Part Flow Chart of Troubleshooting and Circuit Diagrams ...
Page 39: ...5 15 Flow Chart of Troubleshooting and Circuit Diagrams ...
Page 40: ...5 16 Flow Chart of Troubleshooting and Circuit Diagrams 5 9 Ring Indicator ...
Page 43: ...5 19 Flow Chart of Troubleshooting and Circuit Diagrams 5 12 GSM Receiver ...
Page 44: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 20 5 13 GSM Transmitter ...
Page 45: ...5 21 Flow Chart of Troubleshooting and Circuit Diagrams 5 14 DCS Receiver ...
Page 46: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 22 5 15 DCS Transmitter ...