VK Corporation VK2000+, Service Manual

Page: 36 / 76

VK Quality Group GSM C/S
☞
☞
Peripheral Block
Peripheral Block
VCC
RTCK
U401
MIC5255-3.3BM5
1
3
5
4
2
IN
/SHDN
OUT
BP GN
D
BAT401
ML414R/F9CE
2
1
V_BAT
A2V8
V_CORE
R428
100K
R420
270K
V_CORE
VCC
V4
0
9
AVL
C
5
S0
2
0
5
0
BAT_TEMP
PCB Rev. Check
Q401
DTA114Y E
B
C
E
USB_D-
RTS/
+
C420
10u/6.3V(1608T)
TP402
C422
n.m
C413
100n
CTS
TXD
RTS
V4
0
7
AVL
C
5
S0
2
0
5
0
RTCK
A3
4 8 , 11 04, 2005
400 Peripherals
1BP2
Do Not Copy Model Name
size Rev
Data Sheet
of
Circuit Name
VCC
/ / L401, L402 / /
TP404
Battery ID
VCC
VCC
HS_REC-
RXD
V_BAT
V4
0
3
AVL
C
5
S0
2
0
5
0
V_BAT
+
C418 10u/6.3V(1608T)
VCC
Serial_PORT
TP403
V4
0
4
AVL
C
5
S0
2
0
5
0
RXD
C424
100n
C404
1u/16V(1608)
TP406
C402
1u/16V(1608)
V4
1
4
AVL
C
5
S0
2
0
5
0
IO_Connector
R449
n.m
RXD
V4
1
1
AVL
C
5
S0
2
0
5
0
3V3
RXD/D-
+
C
4
25
10
u/
6.
3V
(1
6
0
8
T
)
R448 1K
V_BAT
R434 n.m
TP410
VIBRATOR
JTAG_NTRST
JTAG_NTRST
V4
0
8
AVL
C
5
S0
2
0
5
0
BAT_RTC
A2V8
R403
330K
HS_MIC_P
C427
100n
SIM-Card_Interface
R427
330K
TP412
CTS HS_MIC
SIM_CLK
R425 2K2
R421
680R
C421
47p
UART Switch
V4
0
6
AVL
C
5
S0
2
0
5
0
C405
100n
TP418
R405
100K
VCC
RTS/
V_BAT
BOOT_1
A2V8
VIBRATOR
JTAG_PORT
HEADSET MIC
TP415
V4
1
3
AVL
C
5
S0
2
0
5
0
TDI/PCM_IN
U404
PI5A3158
1
2
3
4
5
6
7
8
9
10
11
12
A0
0B0
GND
A1
0B1
GND
S1
1B1
VCC
S0
1B0
VCC
R424 0R
R407 4R7
U402
USBUF01W6
1
2
3 4
5
6
DXin
GND
DY in DY out
+Vbus
DXout
TP411
R401
270K
C415
33p
CTS
SIM_VCC
R432 n.m
C403
10n
TDI/PCM_IN
HS_MIC_N
3V3
V_CORE
TDO/PCM_OUT V4
0
2
AVL
C
5
S0
2
0
5
0
C414
33p
C406
n.m
V4
0
5
AVL
C
5
S0
2
0
5
0
HS_MIC
RTS
TP405
VCC
3V3
R433 n.m
R446
100K
USB_VCC
V_BAT
U403
PI5A3158
1
2
3
4
5
6
7
8
9
10
11
12
A0
0B0
GND
A1
0B1
GND
S1
1B1
VCC
S0
1B0
VCC
HS_DET
USB_DET
V_BAT
J404
2005-03-239 (KAE)
1
2
3
4 5
6 7
V_BAT
BAT_ID
GND
GN
D
GN
D
GN
D
GN
D
TP408
HS_DET
CTS/HS_MIC
R406 0R
TXD
TXD
SIM_IO
HS_REC_N
// VIBRATOR //
TDO/PCM_OUT
USB_LDO_EN
CTS/HS_MIC
BOOT_1
R450
n.m
+
C417 10u/6.3V(1608T)
SIM_RST
J401
FDA2001-0010
2
3
4
5
1
6
7
8
9
10
11 12
13 14
PWR
D-
D+
BOOT
V_BAT
GND
A_R
A_L
HS_DET
HS_MIC
GN
D
GN
D
GN
D
GN
D
R404
180K
TMS/PCM_SY NC
RTS
// SOLDERING POINT //
TXD/D+
IO_Connector & Charger
+
C401
10u/10V(2012CC)
R431 n.m
R423
2K2
TP416
R426 1K
C423
n.m
V4
0
1
AVL
C
5
S0
2
0
5
0
HS_REC-
TP407
BOOT
RXD/D-
TP_V2
VIBRATOR_N
CHG_IN
TCK/PCM_CLK
TMS/PCM_SY NC
V4
1
2
AVL
C
5
S0
2
0
5
0
R422 0R
C426
100n
R445 0R
C416
33p
R408 4R7
HS_REC_P
TP_V1
VIBRATOR_P
C419
100n
R402
100K
TCK/PCM_CLK
Backup Battery
VCC
TP413
V4
1
0
AVL
C
5
S0
2
0
5
0
TP417
R447 0R
USB_D+
TP401
HS_KEY _DET
V4
1
5
AVL
C
5
S0
2
0
5
0
VCC
TXD/D+
UART_SW
HEADSET AUDIO
A2V8
J403
SM04-F270D-06(TMX)
5 6 7
1 2 3
9 10
GN
D
VPP
I/
O
VC
C
RS
T
CL
K
GND GND
3V3