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5-20
Flow chart of trouble shooting
5-13 DCS Receiver
Rx On
RF input : CH center freq. + 67.7 kHz
Amp. : -50 dBm
U602
Pin 2
U602
Pin 16
U603
Pin 7
U606
Pin 2
U605
Pin 2, 3
U605
Pin 49, 50
(225 MHz)
U605
Pin 43, 44
(45 MHz)
Check IF connector
- > resolder
Resolder &
U602 Pin 16
Check
VC1 : L
VC2 : L
VC3 : H
Resolder
U603
Resolder
U605, L615, L618, L619,
C639, C643, C689
Resolder
U606, L631, L632, L634
Check
C601(CH-225MHz)
C636(540MHz)
Resolder
U612
Resolder
U601, L604, C603,
C607, C609
U605
Pin 24, 25, 26, 27
Resolder
OneC(U501), U605
Check U605
Resolder
U605 (Pin32, 33, 35)
Resolder
U501
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Summary of Contents for SGH-N288
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 05 2001 Rev 5 1 GH68 02032A ELECTRONICS ...
Page 12: ...Exploded Views and Parts List 1 9 1 10 Desk Top Charger DESK TOP CHARGER GH44 00186B ...
Page 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...