Samsung SGH-S300 Service Manual page 35

SGH-S300 Flow Chart of Troubleshooting and Circuit Diagrams
1 2
VCCD VCC_1.8A
A
C603 C604 C60 5 C606 C607 C608
C601
10N F 10N F 10NF 10NF 10NF 10N F
220NF
B
C
D
A(21)
VCCD
R61 5
100K
U603
E
1 OU T 2
VCC
GN D
3
KEY_COL(0:4)
F
KEY_ROW(0:4)
G
H
1 23
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3 45
C602
220NF
VCC_1.8A
A(22)
R60 8
47K
YMU_LED
DLC_DETECT
D(0:15)
A 6
D(0) XCP_D 0
B 5
D(1)
XCP_D 1
F8
D(2)
XCP_D 2
F7
D(3) XCP_D 3
C5
D(4) XCP_D 4
D(5) D6 XCP_D 5
E 7
D(6) XCP_D 6
D5
D(7) XCP_D 7
C4
D(8)
XCP_D 8
B 4
D(9) XCP_D 9
B 3
D(10) XCP_D10
C1
D(11)
XCP_D11
C2
D(12) XCP_D12
D2
D(13) XCP_D13
D3
D(14)
XCP_D14
E 3
A(0:20) D(15) XCP_D15
B13
A(0)
XCP_A0_BEO N
F11
A(1) XCP_A 1
E14
A(2) XCP_A 2
D15
A(3)
XCP_A 3
B15
A(4) XCP_A 4
C14
A(5) XCP_A 5
A16
A(6)
XCP_A 6
A15 XCP_A 7
A(7)
B17
A(8) XCP_A 8
C17
A(9)
XCP_A 9
D16
A(10) XCP_A10
F14
A(11) XCP_A11
G14
A(12)
XCP_A12
G13
A(13) XCP_A13
G17
A(14) XCP_A14
J12
A(15)
XCP_A15
K12
A(16) XCP_A16
K13
A(17) XCP_A17
K14
A(18) XCP_A18
L14
A(19)
XCP_A19
L15
A(20) XCP_A20
L16
XCP_A21
A12
CP_CSROME N XCP_CSROME N
A13
CP_CSRAME N XCP_CSRAMEN
R609 M1 5
CP_CSROM2EN XPA0/CS1N
47K M1 4
CLCD_EN XPA1/CS2N
M1 1
GLCD_EN XPA2/CS3N
N14
YMU_EN XPA3/CS4N
C13
CP_WEN XCP_WEN
P16
CP_OEN XPA4/OEN
P15
DEBUG_DCD XPA5/WAITN
T15
UPPER_BYTE XPA6/BE1N
M9
CP_INT XPA7/IRQ1
T5
EAR_SWITCH XPA8/IRQ2
P 2
XPA9/IRQ3
N2
YMU_IRQ XPA10/IRQ 4
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
IRDA_RX
IRDA_TX
DEBUG_DTR
DEBUG_RTS
DEBUG_TXD
DEBUG_RXD
DEBUG_CTS
IRDA_EN
SDS_TXD
SDS_RXD
SIMDATA
SIMCLK
CHG_DE T
4 5
SAMSUNG Proprietary-Contents may change without notice
6 7 8
VCC_1.8A VCCD VRTC
C61 2 C61 1
100NF 22NF
C61 7
C600
27PF
10N F
VCC_1.8A VCCD
VRE F
CLK13M_TR
TR_RST
F12
TDO DSP_TDO
F15
TRST TR_RST
H12
TDI DSP_TDI
TM S G1 2
DSP_TMS
H13
TCK DSP_TCK
G1 5
TP60 0
CKO/IACK/ERAMHI L12
EL_EN
IOBIT[2]/VEC[3]/EROMHI
K11
LED_EN TP602
IOBIT[1]/VEC[4]/PLLTOA N4
INT#0
R12
IO7
U5
RWN
DSP_AB(8:0)
T17
AB#8 DSP_AB(8)
T14
AB#7 DSP_AB(7)
R14
DSP_AB(6)
AB#6
P12
AB#5 DSP_AB(5)
P11
AB#4 DSP_AB(4)
N1 1
DSP_AB(3)
AB#3
R13
AB#2 DSP_AB(2)
M1 0
AB#1 DSP_AB(1)
U1 3
DSP_AB(0)
AB#0 DSP_DB(15:0)
U601
P10
DB#15 DSP_DB(15)
R11
DSP_DB(14)
DB#14
T11
DB#13 DSP_DB(13)
U1 1
DB#12 DSP_DB(12)
M8
DSP_DB(11)
DB#11
N8
DB#10 DSP_DB(10)
N7
DB#9 DSP_DB(9)
P 7
DSP_DB(8)
DB#8
M6
DB#7 DSP_DB(7)
R7
DB#6 DSP_DB(6)
T7
DB#5 DSP_DB(5)
U7
DSP_DB(4)
DB#4
P 6
DB#3 DSP_DB(3)
R6
DB#2 DSP_DB(2)
U6
DB#1 DSP_DB(1)
P 5
DB#0 DSP_DB(0)
D1 2
XTIC_MOD E
TP60 1
M1 2
XCPTSTSTOP_CKO
D1 1
XAG3
E11
XAG2
A11
XAG1
B11
XAG0
B 7
XBSWN
A 7
X1RTC
D1 0
X2RTC
E 8
XRTCALARM_N RTCALARM
C6
XOSC32OU T CLK32K
C61 5
R61 4
22PF
NC
CP_TDO
TR_RST
CP_TDI
CP_TMS
CP_TCK
DEBUG_DSR
WR_PROTECT
JACK_IN
PWR_KEE P
SIMRST
DEBUG_RI
FLASH_RESET
AUDIO_OUT_SEL
CHG_ON
UP_CS
UP_SCLK
UP_SDI
TRIDEN T
6 7 89
6-18
9 10 11
JTAG
DSP_IN T
DSP_IO
DSP_RW N
V C C B
U602
2 VO 1
VS
GND
R61 0 3
1M
V C C B
R61 1
ICHRG
10K,1 %
BP_V F
V B A T
TR_RST
OSC601
R612
330K,1 %
R613 C61 4
C616
22PF 330K,1 % 100P F
TR_RST RS T
R606
0
C613
100N F
BOARD_HOLE
Engineer
SEOYH
G1 G2 G3 G4 G5
Drawn by
SEOYH
R&D CHK
DOC CTRL CHK
MFG ENGR CH K
Changed by Date Changed Time Changed QA CHK
2002.11.13
user12 6:03:03 pm
10 11
12
A
SDS_TX D
SDS_RX D
JIG_ON
VBAT
CP_WE N
CP_TCK
CP_TM S
CP_TD I
CP_TDO
RST
B
C
D
E
F
G
H
COMPANY NAM E
Address
City
TITLE Size
A 2
SGH-S300
RE V Drawing Numbe r
Shee t of
6 10
12