Samsung SGH-P510 User manual

GSM TELEPHONE
SGH-P510
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
SERVICE
Manual

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1. SGH-P510 Specification
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1-1
1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS 1800
Phase 1
Freq. Band [MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
ARFCN range 1~124 0~124 & 975~1023 512~885
Tx/Rx spacing 45MHz 45MHz 95MHz
Mod. Bit rate /
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot Period /
Frame Period
576.9us
4.615ms
576.9us
4.615ms
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
1-2
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2. GSM Tx Power Class
Tx Power
control level GSM900
533±3 dBm
631±3 dBm
729±3 dBm
827±3 dBm
925±3 dBm
10 23±3 dBm
11 21±3 dBm
12 19±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
Tx Power
control level DCS1800
030±3 dBm
128±3 dBm
226±3 dBm
324±3 dBm
422±3 dBm
520±3 dBm
618±3 dBm
716±3 dBm
814±3 dBm
912±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
2-1
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1. Power On
check the current
consumption more than
100mA Download again
Charge the battery
Check U202
check to the path from CN401 to capacitor C227
C227 close to U202 is more
than 3.2V
Yes
'Power ON' does not work
Check the Voltage of the
Battery more than 3.3V
No
Yes
Yes
No
No
2.7V≤ C226 of U202 = 2.8V
No
Yes
END
Yes
Check the Initial Operation

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-2
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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-3
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2. Initial
END
Yes
Check the POR(R302) of U202
is 'High'
Initial Failure
Check the clock signal's wave
at R202(19.5MHz)
check U202
Check the clock generation circuit
( related to U202 and OSC201)
No
Yes
Yes
No
No
R514 is 3.9MHz wave & the
Pin15 of CN401 is 'High' Check the U202
Check the connections and initialization using Factory
Test Program
Yes

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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
2-5
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3. Charging
* Test after connecting with Battery
: All 4 terminals in battery should be connected to the phone by using jump-wires.
Check the pin 3
of U204 is
"LOW"
END
Yes
Check the pin 17
of CN401 is
around 5V
Abnormal charging part
Check the pin 6
of U204 is "LOW"
Check the TA
Check the U204
No
Yes
Yes
No
No Check the pin
3 of U205 is
short to
ground
Yes
Check the connections of
4 terminals in battery

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-6
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4. Sim
* Test with Sim
Check the the voltage
at pin 1 & 5 of CN502
is 2.8V ?
Phone can't access SIM card
Check the CN502
Connection to SIM card
Check the circuit related to CN502
Resolder CN502
Check the circuit around U302
(MEMORY) and data stored in it
END
No
Yes
Yes
Yes
Yes
No

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-7
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5. Microphone Part
* Call with Sim before testing.
check the connection
from MIC
MicroPhone does not work
Resolder MIC FPCB
Check the Audio loopback by board
test program.
END
No
Yes
Yes
check the voltage of
C210 ≥ 2.0V
Yes
Check the path around MIC bias
circuit
No

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-8
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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-9
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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-10
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6. Receiver
* Call before testing.
Put 'sine wave' from
8960, and Check the pin
5,7 of U501 is sine
wave
Receiver does not work
Check the pin 3, 9 of
U501 is sine wave
Check U202 and speak related
circuit
Check U501 and soldering
END
No
Yes
Yes
No
Check the wave of C417
& C427
Is Speaker working ?
Check the path from U501 to CN401
Replace the Speaker
No
Yes
Yes
No

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-11
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7. Speaker
* Play on 64-poly melody before testing.
Check the pin1 of U502
clock ≒ 3.9MHz
Speaker does not work
Check the pin17 & 18
of U502 is around
audio signal ≒ 2V
Check U202
Check U502
Is Speaker working ?
END
No
Yes
Yes
No
Replace the Speaker
Yes
No
Check the wave of pin3
& 9 of U501 Check U501 and soldering
No
Yes
Check the wave of
C417 & C427
Check U501 and the path from
CN402 to SPK
No
Yes

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-12
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8. Key Data Input
'#pad'(See the picture
below) is 'high'(≒ 2.8V)
Check the Initial Operation
END
Yes
When one of the key is
pushed, #pad is 'low'
Yes
Check U301
No
Replace the Dome Sheet OR
Check if the V403,404,405 are opened
No
Yes
Check the Keypad &
Dome Sheet
Replace or Adjust
the Keypad & Dome Sheet

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-13
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9. LCD backlight
Backlight "ON" mode in the
menu?
Backlight does not work
Check the voltage of C44 of the
LCD part ≥ 9V ?
Select backlight "ON" mode
Check the circuit related to IC1 of the LCD
part
END
No
Yes
No
LCD backlight on ? Check the LCD
Yes
Yes
No

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-14
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7
VIN
6
VOUT
S
C
6
0
4
8
C1+
9
C
1
-
1
1
C
2
+C
2
-
1
0
2
C
T
R
L
0
3
C
T
R
L
1C
T
R
L
2
4
E
N
1
1
2
G
N
D
16
ILED1
15
ILED2
14
ILED3
13
ILED4
5
ISET
I
C
2
6
FB
3GND
LIM 5
LX 4
1SHDN
VCC
2

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-15
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10. GSM Receiver
Pin1 of
CON101
≥-65dBm
RX On
RF input : 37 CH
Amp. : -60 dBm
Pin11 of
U100
≥-65dBm
Pin9 of U102
≥-65dBm
Yes
No
No
Pin9 of U100
≥-65dBm
Yes
No
Yes
No
Yes
Check CON101
Resolder C128
Check the pin11 of U100
Check U100
Check C138 & L103
END

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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-16
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SGH-P510 Flow Chart of Troubleshooting and Circuit Diagrams
2-17
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11. GSM Transmitter
Pin11 of
U100
≥30dBm
TX On
(Level : 5)
Battery Voltage : 3.8V
Pin 1 of U103
≥30dBm
Pin54 of
U102 ≥
9dBm
Yes
No
No
Pin 100 of
U101
≥30dBm
Yes
No
Yes
No
Yes
Check the U100
Check the U103
Check U101
Check U102
END
Pin 2 of
CON101
≥30dBm
No
Check the CON101