5-21
Flow chart of trouble shooting
5-14 DCS Transmit
Tx On (level : 0)
U602
Pin 2
U602
Pin 13
U609
Pin 4
U608
Pin 8
U610
Pin 5
U610
Pin 9 = 0.5~2.5 V
Resolder
U600
Check
VC1 : L
VC2 : H
VC3 : L
Change or Resolder
U602
Resolder
U609, C606
Resolder or Change
C647, R614
Resolder
U610
At 540MHz,
U612
At CH - 135MHz,
Resolder
U605, U612
U605
Pin 17, 18, 19, 20
Resolder
OneC(U501)
Check U605
Pin 35, Pin 38
Resolder
U605 (Pin35, 38)
Resolder
U501
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Check
Ant. S/W, Control Circuit
Check
U608 : +VBATT
Pin 2 (APC)
OK?
Resolder or Change
U608
Yes
Check +VBATT
or APC Control
No
Содержание SGH-N200
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 06 2001 Rev 5 1 GH68 02049A ...
Страница 11: ...Exploded Views and Parts List 1 8 1 10 Desk Top Charger DESK TOP CHARGER GH44 00186B ...
Страница 12: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 13: ...PCB Diagrams 2 2 2 2 Main Bottom ...
Страница 44: ...5 16 Flow chart of trouble shooting RN1102 2 3 1 Q204 LED208 CL 150YG CD T R215 220 VBATT RI_LIGHT ...