Text preview for : SGH-N707 SCHAMETIC.pdf part of SAMSUNG SGH-N700 Service Manual for samsung SGH-N700 by Abdul Basit
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7 . S GH - N7 0 7 Fl o w C h a r t o f Tr o u b le s h o o t in g
1. Power On
The set is not ' Power O '
n
Check the current consumption
Current consumption No
>=100m A Download again
Yes
Check the +V TT V
BA oltage
No
Voltage >= 3.3V Charge the Battery
Yes
Check the pin of U101
No
Check U and C
101 112
pin#J of U >= 2.8V
12 101
Yes
pin#A of U = 2.8V
13 101
No
Yes No
pin#G = 1.8V
11 Check U and C
101 115
Yes
Check the clock signal No
at pin#R6 Check the clock generation circuit
Freq = 13M z
H (related to O 401)
SC
Yes
Check the initial operation
ED
N
7- 1
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Flow Chart of Troubleshooting
2. Initial
Initialization Failure
Yes
The pin#G of U = 1.8V
11 101 No
and C heck the U101
the pin#J of U ¡Ö2.825V
12 101 (If it has som problem adjust it.)
e ,
?
Yes
No
Is the pin#K of U
9 101 C heck the U101
" ow -> H ?
L igh" (If it has som problem adjust it.)
e ,
Yes
No
32.768kH wave form at
z s Check the U201
the C and C
220 221
Yes
No
The Voltage is " igh"at
H Check the U101
the C112
Yes
No
L Ddisplay is O
C .K Check the L DPart
C
Yes
No
Sound is O.K Check the A Part
udio
Yes
ED
N
7- 2
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This Document can not be used without Samsung's authorization
low Chart of Troubleshooting
VCCD VCCA VCCD
C102 C101 C103
56PF 56PF
100NF
CN101
1
VCC
2
VCC
3
AGND C105 CLK
VBAT C106 4
2.2UF GND
10V 100NF 5
VPP
6
I/O
7
NC
8
NC
9 VRT
C
NC
C104 10 NC
2.2UF
GNDS8 G10
GNDD M10
AUX_ADC3 D13
VDDD N11
VDD5 C10
GNDS17 K10
GNDV P13
K15
B15
VDD67 B13
GNDS4 F10
GND_HCURF11
VDDV L11
GNDS16 J10
VDD2 M3
GNDS7 G9
GNDS6 G8
GNDS5 G7
VSS1 G5
GNDS12 H9
GNDS11 H8
GNDS10 H7
GNDS9 H6
VDD_OCTLC4
VSS3 R2
VDD_IO1 N5
VDD3 N6
GND_OCTLB4
VDDB A6
VSS4 P6
VSS2 K4
GNDQ E8
GNDS3 F9
GNDS2 F8
GNDS1 F7
GNDB F6
GNDS15 J9
GNDS14 J8
GNDS13 J7
VDD_IO2 J4
VDD1 J3
10V 5000-6P-2.2L
NC6 2
NC5 1
GND_PSC2
GND_PSC1
VDD34C11
(rf-5000-6P-2.2L)
DSP_DB(0:15) VDD12J13 C108 C109 C107
R101
33PF 33PF 33PF C110
DSP_DB(15) D2 DB15 N9 1.2K
UP_CLK SIMCLK 100PF
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DSP_DB(14) D3 DB14 R10
UP_RST SIMRST
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DSP_DB(13) E3 DB13 UP_I P10
O SIMDATA
DSP_DB(12) E2 DB12 SIM_IO 1
J1
PO 1
S
F
DSP_DB(11) F3 DB11 K11
SIM_RST
DSP_DB(10) F2 DB10 K14
SIM_CLK
F1 DB9
BAT101
DSP_DB(9)
F4 DB8 RB414_IV02N
DSP_DB(8) VSI K12
M
DSP_DB(7) G4 DB7 VRTCH11 NEG 2
DSP_DB(6) G3 DB6 G12
LED2_DRV VCCB VCCA
FL_LED
DSP_DB(5) H5 DB5 G13
LED1_DRV BL_KEY_LED
DSP_DB(4) J6 DB4 F13
RING_DRV
DSP_DB(3) J5 DB3 F15
DSP_AB(0:8) DSP_DB(2) K3 DB2
K2 DB1
U101 VIB_DRV
C12
VLDO_7
VIB_EN
VRF VCCD VCC_1.8A
DSP_DB(1) A14
VLDO_6
DSP_DB(0)
DSP_AB(8)
K1 DB0
K5 AB8 CSP2200B1 C9
VL5S_B
D10
VL5S_A
DSP_AB(7) K7 AB7 B10
VLDO_5
DSP_AB(6) M1 AB6 B11
VL4S_B DCS_TX_EN
DSP_AB(5) M2 AB5 A12
VL4S_A GSM_TX_EN
N2 AB4 B12 C122 470nF
DSP_AB(4) VLDO_4
DSP_AB(3) N1 AB3 A13
VLDO_3
L5 AB2
DSP_AB(2) VLDO_2 2
J1
DSP_AB(1) P1 AB1 G11
VLDO_1
DSP_AB(0) K6 AB0 F14
VACC
L3 I|O
DSP_I
O
L2 RW N K8 C113 C116 C114 C111 C112 C115
VBAT
DSP_RW
N CSN_PSC UP_CS C117
R3 RESETN_CSP L8 470NF 2.2UF 56PF 2.2UF 100NF 2.2UF 1UF
FLASH_RESET SCLK_PSC UP_SCLK
SDO_PSCN7 16V 16V 16V 6.3V
TP106
E6 OCTL0 M7
7- 3
SDI_PSC UP_SDI
C5 OCTL1
F5 OCTL2 E14 R109 10K AGND
VEXT VCCD VCCD
E5 OCTL3
VBATE13
A4 OCTL4 E11
XOENA CH_BDRV
G6 OCTL5 F12
CH_ISEN
TX_BAND_SEL
B3 OCTL6 D14 U107
SI_EN CH_RES
A3 OCTL7 MAX1508ETA R114 R115
TX_EN
D15
ADC_AUX2 100K NC
B1 SERLE1 E10 1 VL _CHG8
ADC_AUX1
A2 SERLE2 A10
SERLE VREF VREF
R113 100 C1 SERDA
VIB_RNG_EN
E9
CREF 2 IN BATT7
PWR_SW1N
SERDAT TA_VEXT VBAT
PWR_KEEP
PSW1_BUF
R103 100 C2 SERCK H10
AUXOUTN
AUXOUTP
N
RESET_O
RTC_ALM
MICOUTN
MICOUTP
RTC_CLK
PWR_SW2
SERCLK RTCALARM
XOENAQ
RXTXQN
AOUTAN
AOUTBN
RXTXQP
AOUTAP
AOUTBP
RAREF2
RAREF1
AUXINN
AUXINP
VREGN
3 GND 6
VXVCM
VREGP
MICINN
MICINP _ACOK
N
DAIDO
P
DAIRN
INTRQ
DAICK
DINTR
MODE
RXTXI
RXTXI
CHG_DET
DAIDI
AFC
NC7
TXP
MC
C118 4 ISET _EN 5
CHG_ON
220NF
R12
R13
R14
R4
R6
C14
C15
E7
P11
P12
P15
K13
C7
C6
B5
B6
L14
L13
P4
P5
P3
K9
L10
N12
N14
N15
N10
L6
L7
L9
D9
D7
D6
N4
D1
G G GG
M6
M9
M14
M15
M13
9 10 11 12
100NF
0
R106 0
MELODY_VI
B ICHRG
R105 0
R104
C119
INTRQ
AGND PWR_KEEP
C123 R107
C120 RST C124 10UF C121
2.7K, 1%
PWR_ON
DSP_INT
CLK32K
470nF