N
Need to check
Q107, Q106
N
Replace dome S/W
N
Need to check
Q107, Q106
N
Need to replace
Memory(U202)
N
Need to check neighbor part
Need to check OSC320,
Y201 & neighbor part
SAMSUNG Proprietary-Contents may change without notice
1-1
1. Trouble Shooting
1. Baseband Section
1-1. Program No Running
Press END Key
Y
Y
Y
Y
Y
Y
ON_SW=H
VBAT>3.2V
VCTCXO_IN=14.4MHz
32K_XIN=32.768 kHZ
Memory (U202)
control signal OK?
VCC=3.0V
V_VCTCXO=3.0V
RST=3.0V
IVCC=2.2V
BOOT=H
Program Running
VCC, ADD(0:21), DATA(0:15),
FLASH_CS, SRAM_CS, UBE,
MEMOEB, MEMWEB
Содержание STH-N275
Страница 46: ...SAMSUNG Proprietary Contents may change without notice 4 1 4 STH N275 Block Diagrams 1 STH N275 Base Band Part ...
Страница 47: ...SAMSUNG Proprietary Contents may change without notice 4 2 Block diagrams 2 STH N275 Radio Part ...
Страница 48: ...SAMSUNG Proprietary Contents may change without notice 4 3 MEMO ...
Страница 49: ...SAMSUNG Proprietary Contents may change without notice 5 1 1 STH N275 Main PCB Top Diagram 5 PCB Diagrams ...
Страница 50: ...PCB diagrams SAMSUNG Proprietary Contents may change without notice 5 2 2 STH N275 Main PCB Bottom Diagram ...