Samsung SGH-D500 Troubleshooting
7. SGH-D500,SGH-D500E Flow Chart of Troubleshooting
1. Power On
' Power On ' does not work
Yes
Check the Battery Voltage
is more than 3.4V
Yes
C406(VINT) = 2.7V? Check the PMU related to VINT
Yes
Check the Clock at
R403=32KHZ
Yes
C427(+VDD_IO_LOW) &
C426(+VDD_IO_HIGH) = "H"?
Yes
No
Change the Battery
No
No
Resolder OSC400
No
Check the related circuit
C403(+VDD_GSM_CORE)
= 1.8V?
Yes
Check for the clock at C129
= 26MHz
Yes
Check the initial operation
Yes
END
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No
No
7-1
Check the +VDD_GSM_CORE circuit
Check the clock generation circuit
(related to U101)
+VDD_RX_TX
+VCC_SYN
+VDD_IMAGE
+AVDD_HFA
+VDD_IO_HIGH
+VDD_IO_LOW
Flow Chart of Troubleshooting
C405
100N F
ONKEYN
C407
9PF
C409
9PF
VBAT
+AVDD
V400
VC040205X150R
C410
22U F
F95OJ226MPAAQ2
R404
0
C413
4.7U F
R405
33nH
C416
4.7U F
C417
470nF
C418
470nF
C424
4.7U F
R411
0
C426
470nF
R412
0
C427
470nF
OSC400
MC-146(32.768KHz,20ppm )
R403
10M
3 4
2
1
C411
33PF
27
26
25
OSCI
OSCO
_ONKEY
24
RF2VDD
23
RF12VBAT
22
RF1VDD
21
D1VD D
20
LPD1VBAT
19
LPVD D
18
HCVBAT
17
HCVDD
16
D2VD D
15
IOD2VBAT
14
IOVDD
13
_REC 2
MICBIAS
12
C425
4.7U F
ML-414RM/F9M E
C408
31
32
29
30
28
33
VINT
REFC
VBAT
VCHG
VSAVE
CHGDRV
U400
PCF50603HN/11
C
C
C
1
_IRQ
_RSTH
_SIMRSH
SIMIOHC
SIMCKH
PWREN
11
7
9
10 2
8
6
C406
470nF
34
X
CHGCUR/BATMA
2
PWREN
CLK32K
5
C428
100PF
C414
SCV_LED_ON
LCD_BL_ON
470nF
+VDD_IO_HIGH
R409
11 K
R406
100K
+VDD_IO_HIGH
5
1
2
U401
R421
3
TC7SH08FU-TE85L
100K
T400
36
35
D
37
SCP
CPVD
CPVBAT
38
SCN
39
D3VDD
40
SIMD3VBAT
41
SIMVCC
42
SIMIOCD
43
SIMCKCD
44
_SIMRSCD
45
SIMEN
46
GPO3
47
GPO2
48
GPO1
49
GND
50
GND
51
GND
52
GND
53
NC
A
54
NC
_REC1
SCL
SD
1
3
4
VDD_SLEE P
+VDD_IO_LOW
SIM_VCC
SIM_IO
SIM400
SIM_CL K
6
6
11
5
2 2
5
SIM_RST
4
33 4
G
G
G G
9 10
C419
C421
C422
C420
NC
4.7U FN C
100N F
4
BACKLIGHT
ENG-CD-292292-9-OLD 2
7 8
AUX_ON
SC L
SD A
32KHz_DIGIT
PON_TX
REF_O N
SIMRST
SIMCL K
R413
MIC_BIAS
RSTON
IT_PM U
SIMIO
51 0
7-2
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Flow Chart of Troubleshooting
2. Initial
Initial Failure
Yes
Q200 pin 2 (RSTON) ="H"?
Yes
Is U308 pin 4
OK?
Yes
Check the 16bit data signal
& memory CE
Yes
END
No
Check the circuit related to reset
No
Check the U308
7-3
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LCD_RESET
Flow Chart of Troubleshooting
+AVDD_HFA
+VDD_GSM_CORE
+AVDD
TP200
BB_PW R
4
1
2
R201
B10
D1
10K
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
NC
NC
NC
NC
A14
CK I
L15
MCLKSEL
B16
XIN32K
V16
CLK32O
L14
GPIOB11
B15
XOUT32K
G12
RSTBB
U1 6
RSTEXT
A10
IO0
A11
IO1
B8
IO2
D9
IO3
E7
IO4
D1 0
IO5
B7
IO6
E8
IO7
G8
IO8
G7
IO9
A8
IO10
D8
IO11
A7
IO12
B9
IO13
A6
IO14
B6
IO15
J7
ADD0_BE0
J8
ADD1_BE2
A9
IO16
A3
IO17
A2
IO18
D1
IO19
A1
IO20
B2
IO21
A4
IO22
B5
IO23
D4
IO24
D5
IO25
B4
IO26
C1
IO27
E4
IO28
E5
IO29
B3
IO30
E6
IO31
A5
ADD1 8
B1
ADD1 9
F1
ADD2 0
E1
ADD2 1
F4
ADD2 1
F5
ADD2 3
G4
WE_E
E2
OE_R_W
K4
CS 3
H5
CS 1
G2
CS 0
J5
BE1
H4
GPIOA8
H7
AD V
L7
GPIOA18
J11
GPIOA12
R1
GPIOB5
P1
GPIOA16
P5
GPIOA19
P7
GPIOB8
R4
GPIOB9
V1
GPIOB10
M5
GPIOA0
U1
GPIOA13
K7
GPIOA14
L8
GPIOA15
K11
GPIOA20
TP220
F2
GPIOB2
J4
TP22 1
GPIOA7
U4
GPIOA6
A16
KROW 0
A18
KROW 1
C17
KROW 2
B17
KROW 3
A17
KROW 4
D1 8
KCOL0
C18
KCOL1
D1 7
KCOL2
E17
KCOL3
B18
KCOL4
0
HDP
5
U1
PIPESTAT(0)
+VDD_IO_HIGH
+VDD_IO_LO W
Q200
32KHz_DIGIT
SI1012R
G 1
R216
8.2K
RSTO N
LOUD_EN
D 3
EXTSPK_EN
S 2
RSTEXTn
HD(0:15)
HA(0:23)
CS3n_IMAG E
CS1n_RAM
CS0n_FLASH
USB_CHG_O N
JACK_IN
EAR_SWITCH
CS4n_NAND
CS2n_FLASH
CS5n_MELODY
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
HD(8)
HD(9)
HD(10)
HD(11)
HD(12)
HD(13)
HD(14)
HD(15)
HA(0)
HA(1)
HA(2)
HA(3)
HA(4)
HA(5)
HA(6)
HA(7)
HA(8)
HA(9)
HA(10)
HA(11)
HA(12)
HA(13)
HA(14)
HA(15)
HA(16)
HA(17)
HA(18)
HA(19)
HA(20)
HA(22)
HA(21)
+VDD_IO_LO W
+VDD_IO_LOW
KEY_ROW(0:4)
KEY_COL(0:4)
HA(23)
R206 100 K
TP209
WE n
TP210
OEn
TP211
TP212
TP213
BE1n
WAITn
TP215
ADVn
RXD1
TP216
TP217
TP219
USB_IN
FLIP
HA(24)
TP204
R209
100K R207
R208
100K
100K
PIPESTAT(0:2)
TRCPKT(0:7)
TRCSYN C
TRCCLK
+AVD D
+VDD_IO_LOW
L200
K8
J18
E10
E12
E18
NC
NC
NC
NC
NC
2
1
5
3
4
HDP
HDP
HDP
HDP
HDP
7
L12
V17
P15
P18
N1
PIPESTAT(2) PIPESTAT(1)
TRCPKT(2) TRCPKT(1)
TRCPKT(0)
3
5
R7
E9
C2
U6
D6
M4
P12
E13
B11
A1
A1
U10
H17
M15
R
BBPW
RSTRTC
7
8
9
6
HDP11
HDP10
HDP
HDP
HDP
HDP
5
J14
V14
V15
R14
R15
P14
N1
TRCPKT(7) TRCPKT(6) TRCPKT(5) TRCPKT(4) TRCPKT(3)
B
VDDC
VDDC
VDDB
VDDA2
VDDRTC
S
O
I
HDP12
TCK
TD
TM
TD
TRST
0
1
L4
L5
K5
F18
G1
G1
1
1
1
VDDC
VDDC
VDDC
VDDE
VDDE
VDDE
VDDCLK
U200
PCF5213EL1/044/3
GNDC
GNDC
GNDC
JSEL
GNDC
RTCK
GNDC
U5
M2
R12
K12
K14
B12
+VDD_IO_LO W
+AVDD
+VDD_IO_HIGH
5
N2
N4
H9
H2
M9
J12
T17
G1
E14
2
2
2
1
1
1
1
1
1
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
GNDE
GNDE
GNDE
GNDE
GNDE
GNDE
GNDE
GNDE
GNDE
GNDE
0
1
2
2
J2
G9
D2
D7
F15
E15
H1
D1
D1
A1
C200
4.7UF
+VDD_USB
1
BT_RST
TXD
TP201
8
U2
N5
G5
V13
T18
R10
G1
U11
H12
H15
B
2
2
2
F
1
4
3
BE3
TXD
VDDE
VDDE
VDDE
VDDE
VDDE
VDDV
M8
VDDRE
VDDVBO
GPIOA11
M7
GPIOA1
P10
GPIOA2
L10
GPIOA10
H8
GPON 0
M1
GPON 1
R13
RFSIG0
M1 2
RFSIG1
M1 1
RFSIG2
V5
GPIOA3
P9
GPIOA4
L11
GPIOA5
R11
RFSIG6
P11
RFSIG7
T2
GPIOA21
R2
GPIOA22
R5
GPIOA23
U18
TP206
RFCLK1
R17
TP207
RFDO1
TP208
G1
GPIOA9
V18
RFEN 0
H1
RESET
V10
MCLK
R9
AUXDAC1
R8
AUXDAC2
V11
AUXDAC3
100N F C216
U14
VREF
V12
MICBIAS
V8
QN
V7
QP
U8
IN
U7
IP
J1
AUXADC1
K1
AUXADC2
K2
AUXADC3
L1
AUXADC4
L2
AUXADC5
J17
HFR_P
HFR1
H18
HFR2
HFR_N
K1 5
EAR1
J15
EAR2
M1 8
MICN
N18
MICP
L17
AUXMICN
M1 7
AUXMICP
K1 8
ANL
L18
AN R
D1 3
FS C
E11
DCL
B1 3
DD
B1 4
DU
N1
GPIOA24
T1
GPIOA25
L9
GPIOA26
U17
SCL
M1 4
SD A
P8
GPIOA30
P6
GPIOA27
R6
GPIOA28
G17
SIMCLK
D1 5
SIMIO
N14
TP222
SIMPW R
F17
SIMRST
V2
GPIOA17
V3
GPIOA29
V4
GPIOA31
F14
USBCN
G14
USBDM
H11
USBDP
VSSBB
VSSA4
VSSCLK
GNDE
GNDE
VSSREF
GNDE
GNDE
GNDE
VSSA5
GNDE
GNDE
VSSVBO
VSSVB
0
M1
2
3
4
P2
P4
V6
V9
U9
U3
R18
P13
P17
K17
U1
U1
H1
+VDD_IO_LO W
R210
4.7K
TP231
TP232
R217
NC
TP225
TP226
TP227
TP228
TP229
TP230
R212
0
RSTON
RTCK
TP202
TP203
VF
TEMP_PRODUCT
EAR_ADC
+VDD_GSM_CORE
RTCK
J_SE L
TRSTn
TDO
TDI
TCK
TMS
TXD2
RXD 2
IMAGE_IN T
IMAGE_RESET
REF_ON
GPON 1
MODE_SELECT
PON_SW
PON_PA
BT_INT
PON_TX
PON_3587_SYNTH
EXT2
DC S
KEY_LED_ON
RF_CLK
RF_DATA
RF_EN
RSTEXTn
EDGE1_P A
AFC
RAMP
MIC_BIAS_B B
MIC_N
MIC_P
AUXMICN
AUXMICP
FSC
DC L
DD
DU
SLIDER_KEY_ON
MELODY_SEL
JACK_EN
HFK_SPK_EN
END_OF_CHG
FLASH_EN
SIMCLK
SIMIO
SIMRST
EXT1
LCD_BL_ON
CHG_ON
USBCN
USBDM
USBDP
R203
NC
RX_TX_QN
RX_TX_QP
RX_TX_IN
RX_TX_IP
MES_BATT
EAR1
EAR2
+VDD_IO_LO W
DAI & Bluetooth data Interface
USB Interface
JTAG
TP205
AN L
AN R
R20 4
1.5K
M_INT
+VDD_IO_HIGH
IT_PMU
R202
0
CLKBURS T
C215
NC
D_REF_CLK
R20 5
1.5 K
SC L
SD A
7-4
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Flow Chart of Troubleshooting
3. Charging Part
Abnormal charging part
Yes
Check the U503 pin 6
> 4.9V
Yes
U503 pin 8 = "L"?
Yes
Q201 pin 1(AUX_ON)
= "L"?
Yes
Check the U503 pin 2
≒ 4.2V
No
No
No
No
Check the circuit related to
V_EXT_CHARGE
Resolder or replace U503
Check the circuit related to
AUX_ON signal
Resolder or replace U503
Yes
END
7-5
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Flow Chart of Troubleshooting
END_OF_CHG
+VDD_IO_HIGH
R510
2K
5
4
FDC6332L
U505
S1/S2 6 VI N
VOU T
GND
ZD501
UDZS8.2B
100K R508
ON/OFF
G1/G2
1
+VBUS
2
R520
100K
V_EXT_CHARGE
USB_CHG_ON
+VDD_IO_HIGH
PEMD1 0
E2
C2
4
B2
B1
5
C1
E1
6
U506
USB_IN
3
100K
R509
+VBU S
2
1
3
VBAT
R506
100K,1%
ZD500
U503
LT4068EDD-4. 2
ITERM
8
1
_EN
_ACPR 7
2 BAT
VCC
6
3
_CHRG
4 GND
PRO G 5
GG
GG
11
12
9
10
R514
1K,1%
UDZS5.1B
CHG_O N
R513
2.7K
1%
3
2
Q505
R512
4.7K,1%
DTC144EM
AUX_O N
3
2
R515
68K
1
Q500
DTC144EM
3
2
Q506
R507
62K,1%
1
DTC144EM
C501
330N F
R511
18K
+VBUS
+VDD_IO_HIGH
1
USB_CHG_O N
MES_BATT
C503
100NF
C502
F951A106MPAAQ 2
BATTERY CHARGING
7-6
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Flow Chart of Troubleshooting
4. Sim Part
Phone can't access SIM Card
SIM400 pin 1,5 = "H"?
Yes
No
Check the sim charge pump
Yes
After Power ON,
Check SIMCLK Signal on
pin3 of SIM400 in a few second
Yes
After SIM card insert,
SIM400 pin 2 = "H(SIM_RST)"?
Yes
Check the SIM Card
Yes
END
No
Check the Clock
No
Replace PBA
7-7
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ONKEYN
Flow Chart of Troubleshooting
C405
100N F
C406
C407
9PF
C409
9PF
OSC400
MC-146(32.768KHz,20ppm )
R403
10M
3 4
2
1
ML-414RM/F9M E
C408
470nF
C428
100PF
+VDD_RX_TX
+VCC_SYN
+VDD_IMAGE
+AVDD_HFA
+VDD_IO_HIGH
+VDD_IO_LOW
MIC_BIAS
VBAT
V400
VC040205X150R
R404
0
R405
33nH
+AVDD
R411
0
R412
0
R413
51 0
RSTON
IT_PM U
SIMIO
C410
22U F
F95OJ226MPAAQ2
470nF
C411
33PF
C413
4.7U F
C414
SCV_LED_ON
LCD_BL_ON
470nF
+VDD_IO_HIGH
R409
11 K
R406
100K
+VDD_IO_HIGH
5
1
2
U401
R421
3
TC7SH08FU-TE85L
100K
T400
27
26
C416
4.7U F
C417
470nF
C418
470nF
C424
4.7U F
C426
470nF
C427
25
OSCI
OSCO
_ONKEY
24
RF2VDD
23
RF12VBAT
22
RF1VDD
21
D1VD D
20
LPD1VBAT
19
LPVD D
18
HCVBAT
17
HCVDD
16
D2VD D
15
IOD2VBAT
14
IOVDD
13
_REC 2
MICBIAS
12
C425
4.7U F
31
32
29
30
28
33
VINT
REFC
VBAT
VCHG
VSAVE
CHGDRV
U400
PCF50603HN/11
C
C
1
C
_IRQ
_RSTH
_SIMRSH
SIMIOHC
SIMCKH
PWREN
11
7
9
10 2
8
6
34
X
CHGCUR/BATMA
2
PWREN
CLK32K
5
36
35
D
37
SCP
CPVD
CPVBAT
38
SCN
39
D3VDD
40
SIMD3VBAT
41
SIMVCC
42
SIMIOCD
43
SIMCKCD
44
_SIMRSCD
45
SIMEN
46
GPO3
47
GPO2
48
GPO1
49
GND
50
GND
51
GND
52
GND
53
NC
A
54
NC
_REC1
SCL
SD
1
3
4
VDD_SLEE P
+VDD_IO_LOW
SIM_VCC
SIM_IO
SIM400
SIM_CL K
SIM_RST
C419
C421
C422
C420
NC
4.7U FN C
100N F
4
BACKLIGHT
11
2 2
33 4
G
G G
9 10
ENG-CD-292292-9-OLD 2
6
6
5
5
4
G
7 8
AUX_ON
SC L
SD A
32KHz_DIGIT
PON_TX
REF_O N
SIMRST
SIMCL K
7-8
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Flow Chart of Troubleshooting
5. Microphone Part
Microphone does not work
Yes
Check the connection
from MIC
Yes
Check the circuit
from U200 to MIC
Yes
Check U601, U602 PIN 1
= ' H' ?
Yes
Check the MIC
No
No
No
No
Resolder MIC
Resolder the C603, C609, R602, R604, R605
Check the JACK_EN signal
Replace the MIC
Yes
END
7-9
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This Document can not be used without Samsung's authorization
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