VK Corporation VK2000+, Service Manual

Page: 34 / 76

VK Quality Group GSM C/S
☞
☞
Base Band Block
Base Band Block
32K_OUT
ITX
3V3
COL0
BAT_VOLT
AFC
CTS
D[8..15]
A8
VMICP
RTCK
MICIP
D[0..7]
BOOT
RESET_2V8
HS_MIC_N
VXI2N
C216
220n
300
300 Flash/RAM
V_CORE
/RAM_CS
/ROM_CS
D[8..15]
/RD
/WR
A[0..23]
/UB
/RESET
D[0..7]
AVCC
A21
D0
TX_EN
A23
ARR201
MNR04-100R
1
3
5
7
8
6
4
2
TP205
DCON
USB_D+
/ITX
C238 n.m
PWM1
JTAG_NTRST
V_CORE
R203
3K3
R223 100R
3V3
SIMDATA
BOOT
VCC
A6
D11
CLK13M_EN
TDI/PCM_IN
EN_ALIM
LCD_DIM
C210
33n
U201
V250G
A1
A4 A1
1
A13
A1
4
A1
7
B1
B8
B13
B1
4
B1
7
C1
C5
C6
C1
1
C1
2
C1
3
C17
C18
T1
T2
T3
T1
1
T13
T1
5
T1
6
U1
U2
U3
U4
V1
V2
V3
V4
V1
1
V16
D1
D2
E1
E2
E3
E16
F1
F2
F3
F18
G1
G2
G3
H1
H2
H3
H16
H1
7
J1
J2
J3
J1
6
K1
K2
K3
K16
K17
K1
8
L1
L2
L3
L17
M1
M2
M3
M17
N1
N2
N3
N1
6
N1
8
P1
P2
P3
P16
R1
R2
R3
R1
8
V14
T8
L18
D3 G1
6
G1
7
C2 C7 C1
4
C1
5
C1
6
T4
U14
U6
V7
T7
V8
U7
T6
T5
V6
U5
V5
T14
V18
U16
V17
U15
U13
T12
M16
P17
P18
M18
N17
V10
R17
R16
V15
U18
T17
T18
U17
L16
T10
V9
T9
U11
U10
U12
A6
B6
C4
V12
V13
E1
8
A12
B12
U8
U9
B5
A5
C3
B4
A2
B2
A3
B3
B7
A10
C9
B10
B11
C10
C8
B9
A9
F16
F17
A18
B18
E17
D16
D18
D17
H18
J18
J17
G18
A8
A7
B15
A15
B16
A16
VCMOUTIQADC
A
V
DDI
Q
D1
8
V
DD
MAIN_CLK
V
DDP
L
L
1
3
0
AVD
D
1
VO
IC
E
ADD6
AV
D
D
A
U
X
LFT104
AVD
D
2
VO
IC
E
AG
N
D
VO
IC
E2
V
D
DR
F
P
A
D
1
/D
V
DDI
Q
ADCIN3
ADCIN4
VD
D
O
SC
EN
AG
N
D
C
S
Q
AVD
D
C
SQ
VCMOUT
VCMIN
DATA2
DATA5
DATA1
DG
N
D RTCK/GPIO5/WDN
VD
D
J
T
A
G
V
DDS
C
I
DATA7
DATA0
ADD2
READN
DATA3
D1
8
V
DD
RAM_CSN
FLASH_CSN
D1
8
V
DD
TESTMODE
ADD0
ADD19
D1
8
V
DD
ADD8
ADD5
FLAG_VDD
ADD17
WRITEN
ADD1
PWR_EN
ADD9
ADD21
RAM_UP_CSN
ADD11
ADD7
ADD12
ALERTER
V
D
D
P
LL4
8
DATA11
ADD18
ADD20
DG
N
D
ADD14
DATA12
ADD16
SIM_RST
SIM_CLK
VD
D
S
IM
/V
D
D
AL
ET
ER
DATA13
ADD10
ADD15
SIM_PWR
ADD3
ADD4
DATA15
SIM_DATA
DATA6
ADD13
DATA9
DG
N
D
V
DD_
DV
IO
1
D1
8
V
DD
DATA10
DG
N
D
GPO5/RTS1
DATA8
DATA14
DATA4
D1
8
V
DD
GPIO2/DEBUG1
GPIO4/USR1_CS/LCD_CS/LCD_EN
GPIO7/PLL_EN2
DG
N
D
GN
D
P
LL4
8
GN
D
R
T
C
AG
N
D
IQ
AG
N
D
AU
X
GN
D
P
LL1
30
DG
N
D
AG
N
D
VO
IC
E1
DG
N
D
SY SRSTN
COL0
ROW4
ROW0
ROW1
ROW2
ROW3
COL1
COL2
COL3
COL4
JTAG_NTRST/IO_AUDIO/DAI_RST
JTAG_TMS/FSY _G711/CODEC_8K_EN
JTAG_TCK/FBCK_G711/DAI_PCMCLK
JTAG_TDI/FDI_G711/DAI_PCMIN
JTAG_TDO/FDO_G711/DAI_PCMOUT
GPIO0/BOOTn
GPIO18/PWM1/EXTINT1
GPIO11/SPI_DAT2/DSR1
GPIO16/RxD1
GPIO17/CTS1
GPO3/SPI_CLK2/DTR1
GPO4/TxD1
ADD22
GPIO12/SPI_DAT3/SDA
GPIO13/SPI_CLK3/SCL
GPIO20/EXT_INT3/SCI_PRES
GPIO21/SCI_DATA
GPIO22/SCI_CLK
GPIO23/SCI_RST
GPIO24/SCI_PWR
GPIO1/GPTBUO3/DEBUG0
GPIO3/RxD2/USR_CS
GPIO14/GPTBUO5
GPIO19/CTS2/SIMPRES
GPO1/TxD2/LCD_EN
GPO2/PWM0/RTS2
GPIO9/SPIDAT1
ADCIN1
ADCIN2
ADCIN0
GPIO10/SPI_CLK1
GPIO15/EXTINT2
VD
D
R
T
C
GPO0/OSC_EN0
GPO6/OSC_EN1
GPIO8/GPTBUO4
GPIO6/ADD23
TXIP
TXIN
TXQP
TXQN
RXIP
RXIN
RXQP
RXQN
AGC_AUX_DAC
TXALIM_WIN
RXALIM_WIN
GPTBUO0
GPTBUO2
GPTBUO1
PLL_AGC_DATA
PLL_AGC_CLK
PLL_AGC_EN
OSC32I
OSC32O
VMICN
VMICP
MIC1P
MIC1N
MIC0P
MIC0N
VDDUSB
USB_P
USB_N
LFT48
AFC
TXPWR
SPKP
SPKN
AUXP
AUXN
LCD_DIM
32K_IN
VCC
D10
RTS
PDNB
REC_P
A[0..23]
KEY _EL
MICIP
ROW2
COL4
AVCC
VCC_RTC
C17
VC2
ROW3
VMICN1
3V3
V_CORE
VCC
USB_D-
C6
VCC
D[0..7]
A17
C212
33n
C211
220n
TCK/PCM_CLK
A2
C236
33n
SY NDAT
MIC0N
A20
ROW0
C240
220n
VCC
USB_LDO_EN
V_CORE
ROW1
TCK/PCM_CLK
X201
DST410S
1
2
C234
470p
A4
ARR202
MNR04-100R
1
3
5
7
8
6
4
2
TP206
TX_EN
C221 100n
CLK13M
COL[0..4]
A11
RF_REST
CHG
UART_SW
A7
A13
HS_MIC_P
HS_KEY _DET
R204 330R
BAT_TEMP
D3
C223 100n
CLK13M_EN
SIM_1V8/3V
A15
COL3
C209
220n
UP_ON_OFF
/LCS
A1
SIMDATA
B13_A
DCON
D13
TP207
RXD
USB_D+
TP204
C218 15p
HS_REC_P
/RD
SUY _98001FCT1 U202
A3
A4
D4
D3
D1 C1 B1 A1
B3
B4
C3
C4
C2
D2
D5
C5 B2
A2
A5
B5
VMICP
VMICN
CAP+
CAP-
SPK1
P
SPK1
N
SPK2
P
SPK2
N
GND
GND
GND
GND
MIC2P
MIC2N
MIC1P
MIC1N
VXI2P
VXI2N
VXI1P
VXI1N
SIMCLK
C18
CAP+
R206 100K
C235
4n7
PDNB
C237 3n3
TMS/PCM_SY NC
USB_DET
REC_P
TXPOWER
A5
D9
SY NENB
/QTX
D2
A16
COL1
C222 100n
C205
220n
SY NCLK
HS_MIC_N
C227 1n
/G1_DIR1
/ROM_CS
HS_MIC_P
VXI1N
VCC_RTC
A12
C225 100n
VXI2P
MICIN
SIM_1V8/3V
EN_VIB
A18
C213
220n
C208
33n
SIMCLK
A3
2 8 , 11 04, 2005
200 GSM/GPRS Module
1BP2
Do Not Copy Model Name
size Rev
Data Sheet
of
Circuit Name
V_CORE
MIC0P
C204
33n
TMS/PCM_SY NC
CTS
V_BAT
TDO/PCM_OUT
B13
TDO/PCM_OUT
D7
R212 0R
C214
220n
VCC_RTC
VCMOUTIQADC
C219 15p
VC1
C239 n.m
C220 100n
A1
JTAG_NTRST
D14
A3
UP_ON_OFF
AVCC
/RESET
R201 0R
MICIN
REC_N
ROW[0..4]
SIM_PWREN
TP202
R224
100K
/WR
D6
C215
33n
USB_D-
A0
VXI1P
HS_DET
RTS
BAT_TEMP
A10
D1
R221
100R
V_BAT
V_CORE
EN_ALIM
C217
33n
BAT_VOLT
D12
V16
REC_N
C224 100n
+
C226
10u/6.3V(1608T)
G18_A
TXD
/WR
A19
A22
MIC1P
ROW4
C206
33n
EN_VIB
TP208
KEY _EL
TDI/PCM_IN
V_CORE
/RAM_CS
SIMRST
RXD
D[0..7]
D5
CLK13M
C201
220n
HS_REC_N
SIM_PWREN
RESET_2V8
LED_EN
HS_KEY _DET
CHG
A14
/G1_DIR1
C203
220n
SIMRST
/RD
VCC
MIC1N
D8
/LCS
QTX
HS_DET
COL2
R205
n.m
AVCC
/UB
TXD
/RESET
3V3
C202
33n
D4
G18
V_BAT
A9
RTCK
USB_DET
USB_LDO_EN
600
600 RF
AFC
SY NDAT
V_BAT
QTX
QRX
TXPOWER
SY NCLK
EN_ALIM
ITX
CLK13M
VC1
IRX
/IRX
/QRX
/ITX
/QTX
VC2
SY NENB
PDNB
TX_EN
RF_RESET
VCC
V_CORE
D15