Samsung SGH-i700 Series User manual

GSM TELEPHONE
SGH-i700
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

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1. SGH-i700 Specification
This Document can not be used without Samsung's authorization
1-1
1.1 PDA specification
Parts Name Description Note
CPU
PXA255
Core : Intel(r) Xscale(TM)
Core Frequencies : 100 ~ 400 MHz
Clock : 3.6864 MHz, 32,768 KHz
Memory ROM RD48F3300L0ZDQ0, Flash Memory, 16M * 32 Bit
RAM K4M513233, SDRAM, 4 Bank, 16M * 32 Bit
LCD Resolution : 240 * 320
Auido CODEC WM9705, 18-bit stereo audio, 4-wire touch screen
Melody YMU762, 40 poly
SD Card SPI Mode
Camera 1/4" VGA CMOS Color Image Sensor, 640 * 480 Pixels,
SPI Mode
JTAG IEEE 1149.1 Portocol support, Flash Programming Control
Ethernet Flash Programming Control
UART RS-232C
IrDA STUART;s transmit and receive
Battery Main Standard/Extend Capacitance : 1050/2000mA
Backup Capacitance : 30mA
Speaker Impedance : 8 Ω,Size:Φ20 m m * 4.6t
Receiver Impedance : 32 Ω,Size:Φ12 m m * 3.2t
Motor RPM 7000 ~12000, Size : Φ14 m m * 3.4t
Key Matrix 4*4

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SGH-I700 Specification
1-2
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1.2 Phone Specification
Parts Name Description Note
CPU
Trident EF version
Core : DSP16000/ARM7IDM
DSP Core : RAM(20k * 16), ROM(144K * 16)
ARM CORE : RAM(4K * 32), ROM(2K * 32)
Clock : 13 MHz, 32,768 KHz
Memory
LRS1826A
ROM:4M*16Bit*2
RAM : 2M * 16 Bit
PMIC
Single-cellLi-lonCharger,SIU,LEDDriver
Power-On/Off and reset control logic
8-bit ADC, Seven programmable low-drop-out regulators
1.8/3.0V SIM power supply and logic level translators
CODEC
Supports GSM 2+ new feature : multislotting( GPRS and HSCSD)
ADC and DAC function for baseband and voice band
DAI(digital audio interface)
32.768 clock on-chip oscillator
GMSK modulator(88/144 bits)
RF Transceiver
Low-IF Receiver, Universal Baseband Interface
Offset-PLL Transmitter
Dual RF Synthesizer, GPRS Class 12 Compliant
Serial Interface
Dual and Triple-Band
Support(GSM850/E-GSM900/DCS1800/PCS1900)
PAM
Complete Power Control Solution
Single 2.9V to 5.5V Supply Voltage
GSM, E-GSM and DCS/PCS
Products/GPRS Class 12 Compatible
+35dBm GSM Output Power at 3.5V/ +33dBm DCS/PCS Output
Power at 3.5V
Diplexer
GSM : 897.50 ±17.5 MHz
DCS : 1747.50 ±37.5 MHz
GSM : 1880.00 ±30.0 MHz
JTAG IEEE 1149.1 Protocol Support, Flash Programming Control
UART RS-232C

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2. SGH-i700 Flow Chart of Troubleshooting
2-1
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1.Power On
Check the pin
4ofU308ismorethan
3.3V
Check to the path from pin 1 of
CN301 to pin 1, 2 of U307
Check the pin
5ofU311ismorethan
1.0V
Check the pin 1 of U311 is High
Checktheclocksignal
at OSC101 and OSC102 Retry Hardware Reset
Check the initial operation
END
Yes
Yes
Yes
Yes
No
No
No
Check the current
consumption more than
20mA
'POWER ON' does not work
Check the pin 1 of
U316 or U317 is High
Press nPower Key or Hardware
Reset
Charge the Battery
No
Yes
No
Charge the Battery
Yes
Yes
No
Check the VBat more
than 3.6V
Yes
Check the pin 1 of
U323 is High
No Charge the Battery

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SGH-I700 Flow Chart of Troubleshooting
2-2
This Document can not be used without Samsung's authorization
CORE13
510
K
R357
VI
N,
R1
10V
10U
F
C336
U307
5
ON/
OFF
R1,
C16
R2
1
2
V.
C1-
1
3
V.
C1-
24
R354
100K
VCC_CPU
R335
100K
C330
33U
F
6.
3V
C355
1NF
R334
NC
I
N
OUT
4
R332
22K
EN
1
3FLG
GN
D5
6
GN
D
7
GN
D
GN
D8
2
U308
10uH
L305
C345
R333
220K
S/
MODE
3VFBVI
N
6
VBAT
20PF
GND
4
I
TH
2
PLLLPF
8
1RUN
5
SW
7
U311
VCC_CPU
C331
100N
F
C329
1UF
16V
R348390K
4
GND
NC
3
1OU
T
2VD
D
R349
470K
4
GND
NC
3
1OUT
2VDD
U316
4
GN
D
NC
3
1
OU
T
2
VD
D
U323
BAT33
U317
R304
VBAT
220PF
C341
510K
1NF
VBAT
C322
VCC
5
Y
4
1NF
C353
U315
A
2
B
1
GN
D
100K
R302
R351
100K
100N
F
C346
R356
100K
C339
10U
F
10V
C340
33U
F
6.
3V
510K
R353
VBAT
n32VDET
n34VDET
PWR_EN
nPOWER_FAI
L
nPOWER_FAI
L
nPOWER_FAI
L

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SGH-I700 Flow Chart of Troubleshooting
2-3
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2. Initial part
Check the "nRESET_IN"
signal at the pin 2 of
U109 is "High"
Initial Failure
Check the U110
END
No
Yes
Check the
"nGPIO_RESET" at the
pin 1 of Q101 is "High"
Yes
Check the R125
Check the
"SOFTWARE_RESET" at
the in 1 of Q101 is
"High"
Download again
Yes
No
No
Check the connections and initialization
using Factory Test Program
Yes
Yes
Check LCD connector CN503,
and resolder bridge
Yes
34
2
3
1
SW101
12
Q105-
2
D3
G
5
S4
Q101
R125
100K
GN
D
1
RESET
2
3VC
C
VCC_CPU
C172
100N
F
U109
VCC_CPU
Q102
3D
1
G
2S
2
A
1
B
3
GN
D
5
VCC4
Y
TC7S32FU
U110
VCC_CPU
C143
100N
F
C141
nRESET_I
N
nPOWER
nGPI
O_RESET
n32VDET
nGPI
O_RESET
SOFTWARE_RESET
100NF

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SGH-I700 Flow Chart of Troubleshooting
2-4
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3. Charge Part
Check the pin 16 of
CN605 ≒ 4.2V
Abnormal charging part
Check the pin 1 of
CN301 ≒ 4.2V
Replace TC
Check to the path from CN605 to
pin 1 of CN301
Charging
END
No
Yes
Yes
Yes
Yes
No

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SGH-I700 Flow Chart of Troubleshooting
2-5
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4. SIM Part
Check the pin 1 of
CN701. voltage is 2.8V
?
Phone can't access SIM card
Check the SIM
connector's CN701
Connection to SIM card
Check the circuit related to CN701
Resolder CN701
Check the circuit around U701
(Serial EEPROM) and data stored in it
END
No
Yes
Yes
Yes
Yes
No

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SGH-I700 Flow Chart of Troubleshooting
2-6
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VPAC
V C C _1.8A
SIM
_
IO
SIMCLK
SIMRST
RST
C 719
470NF
AGND
VBAT
SIM_CLK
SIM_RST
C 704
100NF
SIM D ATA
VREF
2.2U F 100NF
33PF
C 706
R 701
0
VBAT
10
R 703
C 718
1UF
470NF
C711
0
8
GG
910
G
VCCA
VCCD
R705
C 724
1UF
C 712
2.2UF
R 719
1.2K
10NF
C 716
VO SC
C715
100P F1UF
C 717
1UF
VRTC
R712
0
VBAT
C 725
VCCB
C 701
R 708
0
C 702
33PF
C 703
U 701
40
30
VREF
12
VRTC
48
VSI
M
POW ER
C N 701
1
1
2
2
3
3 4
4
5
5
6
6
G
7
C 720
470N F
BATT_BACKUP+
33PF
C 705
VRF
32
31
V L5S _B
9
V LD O _1
11
V LD O _2
V LD O _3
39
37
V LD O _4
33
V LD O _5
V LD O _6
42
V LD O _7
10
38
VDD34
34
VDD5
41
VDD67
VEXT
1
4
VI
B_DRV
V L4S _A
36
35
V L4S _B
V L5S _A
50
SI
M_CLK
SI
M_I
O
51
SI
M_RS
T
49
UP_CLK
53
52
UP_IO
54
UP_RST
3
VACC
2
VBAT
VDD12
47
19
RESETN
RI
NG_DR
V
5
55 RING _PW M
RTC_ALMN
13
17 SCLK
15 SDI
16
SDO
6
GNDD1
GNDQ
28
INTRQ
14
LED1_DRV
78
LED2_DRV
20 PSW 1_BUF
PW R_KEEP
21
46 PW R_SW 1N
PW R_SW 2
59 GND
GND
61
62GND
GND
63
64GND
65GND
GND
66
GNDD
60
24
25
E N _5
E N _5A
26
27
E N _5B
57 GND
67GND
GND
68
GND
58
44 ADC_AUX1
ADC_AUX2
45
ADC_TRIG
56
43 BTEMP
CREF
29
CSN
18
E N _3
22
23
E N _4[0]
E N _4[1]

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SGH-I700 Flow Chart of Troubleshooting
2-7
This Document can not be used without Samsung's authorization
5. Microphone Phone
Yes
MicropHone does not work
check the connection
from CN604 Change Main Key F-PCB
No
Audio loopback is
enabled by board test
program.
R449, R451 ≒ 2.2 V
Resolder R449, R451, R406, R450
Check the pin 22,23 of
U403 != Sine Wave
Hardware Reset or Resodering or
Download Image
END
Yes
Yes
No
No
Yes
EAR-MIC PART
MI
C
GND
SPK GN D
NC when PIN1 BE LOW
1uH
L402
L401 1uH
AGND
3
4
5
6
7
AGND
E AR 401
1
2
180PF
C 460
C 459
AUDIO 33
AG ND
IN
NC
4
6
NO
V+
2
100N F
AG ND
U 408
5
COM
GND
3
1
AGND
R 428
0
6.3V
AGND
680
AUDIO33
C 426
33U F
AGND
R 406
AGNDAG ND
ZD411
ZD410
AGND
AGND
NCR 431
C 483
C 482
220NF
1NF
ZD408
ZD405
ZD406
AUDIO 33
R 456
100K
ZD404
AGND AGND
AGND AGND
R 402
AG ND
R 403 N C
0
0R 455
ZD409
10U FC 421
10U FC 422
L40382nH
NC
C 467
R 405
ZD402
C476
0
1N
F
C 466
C 469
NC
C477
NC
ZD403
1N
F
820PF
R 451
C475
BAT33 BAT33
4.7K ,1 %
1K
R 453
20K
R 452
2 3
1
10K
R 454
AUDIO33
Q 401
33UF
C 470
680
R 450 R 449
C465
1UF
4.3K,1%
MIC-
NC_GND
nRCV_EN
NC_GND
EAR_M ICP
HPOUTL
HPOUTR
JA C K _S
SEND_END
MICP MIC+

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SGH-I700 Flow Chart of Troubleshooting
2-8
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6. Speaker Part
CN602 pin 7,8
!= sine wave ?
Speakerdoesnotwork
Check the pin 1 of
U405 is "H" ?
ReplaceSpeakerandIfspeakeris
well, than replace side key F-PCB
Hardware Reset or Download Image
Istheresinewavesignal
on the U403 pin35,36
during window Media
playing?
Hardware Reset or Download Image
END
No
Yes
Yes
Yes
No
No
Check the pin 4 of
U407 is "H" ?
Hardware reset or Resodering or
download image.
No
Yes
Yes

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SGH-I700 Flow Chart of Troubleshooting
2-9
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6.3V
33UFC 485
AG ND
33UFC 484
6.3V
AG ND
AG ND
AG ND
AG ND
AUDIO33
100NF
C 462
C 450
1UF
AM P36
47K,1%
R 434
180PF
C 457
27K,1%
1UF
C 458
C 452
330NF
R 430
6
IN1
4
IN2 8
5NC1
7
NC2
NO1
2
NO2 101V+
1
_SHDN
U 407
3COM1
9
COM2
GND
+IN
3
4
-IN
BYPA
2
7GND
VDD
6
VO 1
5
VO 2
8
SPK- nAM P_EN
LINEOUTL
LINEOUTR
SPK_SEL
RCVOUTR
SPKO UT
SPKO UTSPK+
SPK_SEL
RCVOUTL
U 405

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SGH-I700 Flow Chart of Troubleshooting
2-10
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7. Receiver Part
Receiver does not work
Check the pin 2,4 of
U404 is sine wave ?
CN401 pin
=sinewave? Replace Receiver.
Yes
Yes
Check U404 (pin 1 must be "H")
Check the pin 35,36 of
U403 is sine wave ?
Chech U407, (pin 4 must "H")
END
No
Check the pin 3,9 of
U407 is sine wave ?
Hardware reset or Resodering or
download image.
Yes
No
No
No
Yes
Yes

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SGH-I700 Flow Chart of Troubleshooting
2-11
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AGND
AGND
NCC 436
220N F
C 429
1UF
C 427
AUDIO 33
R 410
NC2 7
R 4130
R 420
SPKOUT
20K,1%
R 429 0
C N 401-2
2
AGND
RCVOUTL
RCVOUTR
SPK_SEL
LINEOUTL
LINEOUTR
C N 401-1
1
AGND
SPK_SEL
RCVOUTL
20K,1%
20K,1%R 423
AM P36
R 412
6.3V
C 462
0
IN-
MODE
38 NC
SELECT
1
VDD
9
6
VO1
10
VO2
RCVOUTR
SPK_SEL
2
U 404
BYPASS
5
GND
74
IN+
5 NC1
IN2 8
IN1
4
GND
6
9
COM2
3 COM 1
33U F
C 463
U 407
1 V+ NO2 10
NO1
2
NCC 428
20K,1%
100NF
AGND
C 435
1UF
R 422
C 430
220N F

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SGH-I700 Flow Chart of Troubleshooting
2-12
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8. Key Matrix Part
Checkthepin4,5,6,7
of CN604 is "High"
Check key initial operation
When one of the main
keys is pushed, one of
pin4,5,6,7ofCN602
is "High"
Check the
R646, R650, R651, R653
Replace the Main key PCB
END
No
Yes
Yes
No
Yes
When one of the side
keys is pushed, one of
pin4,5,6,7ofCN602
is "High"
Yes
Replace the Side key PCB
No

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SGH-I700 Flow Chart of Troubleshooting
2-13
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KEY MATRIX
SIDE KEY
KBR(2)
KBR(1)
KBR(3)
KBC(3)
KBC(1)
KBC(2)
MOTOR
KBC_0
KBC_1
KBC_2
KBC_3
KBC(0)
TH622
TH623
3.9K
SPK- SPK+
KBC_2
nPO W ER
KBR(1) KBR(0)
KBR(2)
KBC_3
1K
TH624
ZD 602
SM F05.TB
2
1345
3.9K
R 653
TH621
330NF
C 611
3.9K
C 610
MIC-
R 630
TH620
TSMY
MIC+
3.9K
KBR(0)
LED-
TSPX
KBC_1
TSPY
LE D +
TSM X
LE D -
LE D +
C 623
NC
R 635
1K
R 651
3.9K
TH625
KBR(3)
KBR(0)
KBR(2)
KBC_3
KBC_0
KBC_2
KBR(1)
KBR(3)
1 1
10
C N 602
1K
R 631
R 634
330NF
C620
1N
F
C622
R 633
VCC_CPU
TH605
5
6 6 7
7
8 8 9
9
MAIN KEY
C N 604
1N
F
C621
0R605
TH618
TH619
1K
R 628
3 34 4
5 56 6
7 78 8
9 9 10
11 1112 12
13
13
14 14
15 15 16
16
2 2
1N
F
R 650
1N
F
C619
2
1345
3.9K
R 646
R 632
3.9K
SM F05.TB
ZD 601
R 636
3.9K
16
17
17
18 18 19
19
2
2
20
20
3
3
4 4 5
1
1
10 10 11
11
12 12
13 1314 14
15
1516

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SGH-I700 Flow Chart of Troubleshooting
2-14
This Document can not be used without Samsung's authorization
9. Led Indicator Part
Check the pin 2 of
Q601, Q602, Q603, Q605
is "High"
LED Indicator does not work
Replace R621, R624
END
No
Yes
Yes
Yes
Replace the U314
No
Yes
Check the pin 4 of
U314 is "High"
No Check U108
by Factory Test Program
Check the pin 3 of
Q601, Q602, Q603, Q605
is "High"
STATUS LED
PDA
LEDPHONE
LED
23
1
8.
2K
R666
Q605
LED60
2
234
1
8.
2K
BAT33
8.
2K
R619
R618
3
1
8.
2K
R615
3
1
Q601
2
2
3
1
Q602
2
LED603
Q603
R621
22
BLUE_LED
R624
22
GREEN_LED
PDA_LED
RED_LED

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SGH-I700 Flow Chart of Troubleshooting
2-15
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10. Backlight Part
Backlight does not work
Backlight "ON" mode in
the menu ?
No
Yes
pin 1, 2 of U319 =
"High" ? Check U108
using Factory Test Program
Yes
No
Select backlight "ON" mode
Yes
LCD backlight on ? Replace LCD Module
No
Check the connection
from CN604 to Main
key F-PCB Replace Main key F-PCB
Yes
No
END
Yes

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SGH-I700 Flow Chart of Troubleshooting
2-16
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F1001 CHECK
pin15 ≥ -65dBm ?
11. EGSM Receiver
CONTINUOUS RX ON
RF INPUT : 62CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
Check soldered status of
L1006, L1002
U1002
pin 12,13≥
-20dBm ?
F1001 CHECK
pin1, 2 ≥ -65dBm ?
U1002 CHECK
pin21,22 ≥ -65dBm ?
U1003 CHECK
pin5,25,28 : 3V ?
CN703
resolder or change
F1001
resolder or change
C1016 .C1017 ,L1003
resolder or change
U701 pin33, C724
check or resolder
U1003 CHECK
pin 7 : 13MHz ?
Vp-p : 860mV?
U1003 change or
resolder
U1002 CHECK
pin 14,23,26,32:
clean 2.8V?
C921 , R907
resolder OSC901 change or
resolder
U701 pin39, C724
check or resolder
U1002 pin3,4
Vp-p : 240mV?
U1001 CHECK
pin6, 20 : 2.8V ?
U1001
resolder or change
U1002 pin1, 2
Vp-p : 250mV ?
U1002
resolder or change
U1001 pin2,3,4,5
Vp-p: 100mV ?
CHECK
U901
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES YES
YES YES
YES
YES
YES
YES
YES
YES
OSC901 CHECK
pin 3 : 13MHz ?
Vp-p : 950mV?
U701 pin33, C724
check or resolder
NO
OSC901 CHECK
pin 4 : clean
3V ?
NO

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SGH-I700 Flow Chart of Troubleshooting
2-17
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12. EGSM Transmitter
F1001 pin
12 : about
2~3 dBm?
CN703, C1038
check&change
F1001
pin13 : 2.8 V? U901
check & change
Between
F1001&C1043:
≒4~5dBm?
F1001
check & change
C1031 :
3.7V?
NO NO
YES YES
YES
NO
NO BATTERY, U701
check & change
Between
R1008 & U1004 :
1.2V?
YES
NO R1008
check & change
R1031:
≒-5dBm?
YES
C1033 : 3V?
YES
YES
U1004
change
NO
U901
check
U901
check & change
YES
NO
U1002
pin14,23,26,32 :
2.8V ?
U701 pin39,C110
change or resolder
YES
U1002
pin9,10,12,13
:-20dBm ?
U1002
pin5,6,7,8 :1.7V
?
YES
U901
change
NO
NO
U1004
change or
resolder
YES
U1003 pin5,25,28
:3V ?
NO U701 pin33,C724
change or resolder
NO
U1003
pin 7 : 13MHz?
Vp-p: 950mV
YES
U1003
pin9,10,11,1
2,13: 3V?
YES
YES
U1002
change or
resolder
OSC901
pin 3 : 13MHz?
Vp-p : 950mV
OSC901
change or
resolder
U901
check or
change
OSC901
pin 4 : 3V ?
U701
pin33,C109
change or
resolder
U1003
change or
resolder
NO
NO
YES
NO
YES
NO
CONTINUS TX ON CONDITION
TX POWER DAC:500 CODE
APPLIED
CH:62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NO