SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting3-12This Document can not be used without Samsung's authorization3-1-5. Receiver Part< LCD PCB Part >There is no sound from the ReceiverIs the terminal of ReceiverO.K ?NoReplace the ReceiverYesNoYesCheck UCP301Check VR2,VR3 (LCD PCB Part)Is there any signals at thepin#P11 and pin#N12 ofUCP301 ?ENDYes

Specification

GSM TX power class

Exploded View and Parts list

Cellular phone Parts list

Disassembly

Assembly

Chart of Troubleshooting

flow chart of troubleshooting

SIM Part

Microphone Part

receiver part

Speaker Part

Array course control

software downloading

Block Diagrams

PCB Diagrams

MAIN Electrical Parts List

Reference data

Safety Precautions

Product Function

Samsung SGH-C520 Service Manual

charging the battery

important safety precautions

SGH-C520

switching off in an aircraft

Phone Layout

Get started

Unpack

Solving Problem