Samsung SGH-P510 Service Manual

GSM TELEPHONE

SGH-P510

Manual

SERVICE

GSM TELEPHONE CONTENTS

1. Specification

2. Flow Chart of Troubleshooting

3. Exploded Views and Parts List

4. Electrical Parts List

5. Block Diagrams

6. PCB Diagrams

1. SGH-P510 Specification

1. GSM General Specification

GSM900 Phase 1

Freq. Band [MHz]

Uplink/Downlink

ARFCN range 1~124 0~124 & 975~1023 512~885

Tx/Rx spacing 45MHz 45MHz 95MHz

Mod. Bit rate /

Bit Period

Time Slot Period /

Frame Period

890~915 935~960

270.833kbps

3.692us

576.9us

4.615ms

EGSM 900

Phase 2

880~915 925~960

270.833kbps

3.692us

576.9us

4.615ms

DCS 1800

Phase 1

1710~1785 1805~1880

270.833kbps

3.692us

576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm

Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl

Sensitivity -102dBm -102dBm -100dBm

TDMA Mux 8 8 8

Cell Radius 35Km 35Km 2Km

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SGH-C510 Speclflcation

2. GSM Tx Power Class

Tx Power

control level

5 33±3 dBm

6 31±3 dBm

7 29±3 dBm

8 27±3 dBm

9 25±3 dBm

10 23±3 dBm

11 21±3 dBm

12 19±3 dBm

GSM900

Tx Power

DCS1800

control level

0 30±3 dBm

1 28±3 dBm

2 26±3 dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

13 17±3 dBm

14 15±3 dBm

15 13±3 dBm

16 11±3 dBm

17 9±3 dBm

18 7±3 dBm

19 5±3 dBm

8 14±3 dBm

9 12±4 dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

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2. SGH-P510 Flow Chart of Troubleshooting

1. Power On

'Power ON' does not work

check the current

consumption more than

100mA

Yes

Check the Voltage of the

Battery more than 3.3V

Yes

C227 close to U202 is more

than 3.2V

Yes

Download again

Charge the battery

check to the path from CN401 to capacitor C227

2.7V≤ C226 of U202 = 2.8V

Yes

Check the Initial Operation

Yes

END

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Check U202

2-1

SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams

2-2

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2. Initial

Initial Failure

Check the POR(R302) of U202

is 'High'

Yes

SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams

check U202

Check the clock signal's wave

at R202(19.5MHz)

Yes

R514 is 3.9MHz wave & the

Pin15 of CN401 is 'High'

Yes

Check the connections and initialization using Factory

Test Program

Yes

END

Check the clock generation circuit

( related to U202 and OSC201)

Check the U202

2-3

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams

2-4

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams

3. Charging

* Test after connecting with Battery

: All 4 terminals in battery should be connected to the phone by using jump-w ires.

Abnormal charging part

Check the pin 17

of CN401 is

around 5V

Yes

Check the pin 6

of U204 is "LOW"

Yes

Check the pin 3

of U204 is

"LOW"

Yes

END

Check the TA

Check the U204

Check the pin

3 of U205 is

short to

ground

Check the connections of

4 terminals in battery

Yes

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams

4. Sim

* Test with Sim

Phone can't access SIM card

Yes

Check the the voltage

at pin 1 & 5 of CN502

is 2.8V ?

Yes

Check the CN502

Connection to SIM card

Yes

Check the circuit around U302

(MEMORY) and data stored in it

Yes

END

Check the circuit related to CN502

Resolder CN502

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5. Microphone Part

* Call with Sim before testing.

MicroPhone does not work

Yes

check the connection

from MIC

Yes

SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams

Resolder MIC FPCB

check the voltage of

C210 ≥ 2.0V

Yes

Check the Audio loopback by board

test program.

END

Check the path around MIC bias

circuit

2-7

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+ 22 hidden pages