Samsung SGH-A500 Service Manual page 29

SGH- A500 Flow Chart of Troubleshoot ing and Circuit Diagrams
16. Baseband Processor Circuit Diagram
1
A
VANA
B
VRF2 VBA T
R410
10K
R409
330K
BP_VF
TEMP
R402 R417
150K NC
C
VANA VRTC VINT
R415
2.4
D
VINT
E
CN402
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10 10
11
11
12
12
13 13
14 14
15 15
F
LAUTERBACH
EMULATOR
1
2 3
A(1:20)
A(0)
G 1 1 T_OUT10|DSPIN1
DISP_C S
M6 HLDAQ|DSPIN0
RTS
L15 T_OUT 0
TXONPA
L14 T_OUT 1
PLLO N
L13 T_OUT 2
TX900_RX1800
K1 3 T_OUT 3
TX1800_RX900
J13 T_OUT 4
BL_LED
R416 H1 3 T_OUT 5
EP_SD A
100K K1 2 T_OUT 6
DISP_R S
J12 T_OUT7|PD. 6
DISP_RS T
H1 2 T_OUT 8
TP429
L11 T_OUT9|PD. 8
EP_SC L
R3 AF C
AF C
H1 5 RFSTR0
RF_E N
K1 4 RFCL K
RF_CLK
R411
K1 5 RFDATA
RF_DAT A
100K H2 PAOUT
TX_POWE R
M3 RFREF
K4 BREF
L 3 TBAT
N1 VBAT
N2 BTEC
L 4
TENV
TP428
M4 TVCO
ISENSE
B1 VDD1.0
VINT
B2 VSS1.0
VDD_SD
B1 5 VDD1.1
B1 4
VSS1.1
G 1 5 VDD1.2
C404
G 1 4 VSS1.2
100NF
R2 VDD1.3
P2 VSS1.3
A5 VDD2.0A
B5 VSS2.0 A
A1 1 VDD2.0B
B1 1 VSS2.0 B
E1 5 VDD2.0C
E1 4 VSS2.0 C
R9 VDD2.1
P9 VSS2.1
J15 VDD2.2
J14 VSS2.2
R5 VDD2.3
P5 VSS2.3
R1 3 VDD2.4
P1 3 VSS2.4
N1 3 VDDRTC
M1 3
VDDA
N1 5
VSSA|RTC
H3
VDDD
H1
VSSD
K1
VDDT
K5
VSST
K3
VDDR
K2
VSSR
G 3 VDDV
G 2
VSSV
AGND
R408
C411
RESETQ
10NF 30 K
AGND
TXD1
RXD1
TRIG_OUT
T D O
TM S
T D I
TRST
T C K
TRIG_IN
MON1 GND
TP430
MON2 T C K TCK1
TP431
TM S
TMS1
TP432
TDO1
T D O
TP433
TRST TRST1
TP434
TDI
TDI1
AUTO_PWR AUTO_PWR 1
DATA_DET1
2 3
SAMSUNG Proprietary-Contents may change without notice
4 5
D(0:15)
U401
VBAT VBAT
TP435
F_WE WRQ
TXD0
TX
RX
RXD0
A_ P T A + (HP_PWR )
VINT
VIN T
RESET Q
RESET
DATA_DET
Changed by
user10
4 5
6- 14
6 7
VSI M
CCRS T
CCL K
C480
100N F
P3
RESET_IN_Q
CLOSE TO PIN1
RESETQ
E7
BHEQ
BHEQ
D6
CS1Q
SRAM_SEL
A1 4
CS0Q
FLASH_SE L
RDQ D7
RDQ
C7 R414 0
WRQ
WRQ
E6
CS2Q
RSTOUTQ|F.2 A2
DATA_DE T
SSCCLK P1 1 4
DISP_SCL K
MTSR N1 1
DISP_SID
MRST R1 4 1
CC02IO|RF.0
E9
HS_DE T
RFSTR4|EX2IN L12
EP_INT
T_OUT11|CC19IO F11
LED_CT L
M1 4
F13M FSYS_B B
P7
VCXO2_E N VCXO_E N
P1 4
RTCOUT RTCOUT
F32 K N1 4
P1 5
RTCOUT|F32K X
L10
CCVZQ AUTO_PWR
C479
L 9
CCIOSW CTS
27PF
L 7
CCRS T CCRS T
M9
CCLK CCL K
C478
L 6
CCI N
M1 0 C431
CCI O CCI O
22U F
VMI C E1
22UF
6.3 V
F 2
MICP 1 6.3V C477
EPN1 C1 C430 R403 5.1
EPN 1
VMI C R428
D2
R404 5.1
EPP 1 EPP 1
F 1
MICN1
F 4
MICP 2
E2
EPN2 EPN2
C445
D1
EPP 2 EPP2
C44 6 2.2U F
F 3
MICN2
NC 6.3V
R7
KP 0 KP0
AGND AGND
KP 1 R8
KP1
P8
KP 2 KP2
KP 3 N8
KP3
M8
KP 4 KP4
N9
C447 100N F
KP 5 KP5
C448
R1 0
KP 6 KP6
P1 0 27PF
KP 7 KP7
N1 0
KP 8 KP8
R1 1
C449 100N F
KP 9
KP9
VANA
C2
VDDV21
E4
VDDV22 C450
E5
27P F
VDDV23
VSSV2 1 D3 C41 8
E3
100N F
VSSV2 2
H4
VDDX
C40 8
G 1
VSSX
100N F
AGN D
SEND_EN D
TP2 EPP2 U410-1
TP3
TP1 MICP 2
TP4 HS_DET
R413
C407 C401
220K
560PF 39PF
AGND AGN D AGND
HEAD SET FPCB
Engineer
KIM H. K
Drawn by
KIM. H. K
R&D CH K
DOC CTRL CH K
MFG ENGR CH K
Date Changed Time Changed QA CH K
2002 - 09 - 30
1:51:19 pm
6 7
8
VSI M
CN40 1
R418
1 1
4 4
22 K
2 2 5 5
A
3 3 66
CCIO
GG GG
7 89 10
C436
47PF
C423
18PF
B
OSC40 1
3
2
C428
18PF
R42 7
2.2 K
MICP 1
100N F
C
100N F C443 C444
27PF 27PF
1.5K
C409
10U F
VANA
6.3V
AGND AGND AGND
R41 2
2.2 K
MICP2
R42 9
1.5K
C439
C432 D
27PF
10U F
6.3 V
AGND
AGND AGND
R450
33K
VINT
3
8
R452
1M
1
2
4
R453
33 K
E
COMPANY NAME
Address
F
City
Size
TITLE :
A3
SGH-A500_REV1.9 B
REV
Drawing Numbe r Shee t 4 of 6
1.9B
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