VK VK4500, Service Manual

Page: 46 / 81

VK Quality Group GSM C/S
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☞
Base Band Block
Base Band Block
3V3
A7
A10
C243
3n3
HS_REC_P
7
SIMRST
TCK/PCM_CLK
V_CORE
A[1..16]
3V3
C227
220n
ROW1
A11
TMS/PCM_SY NC
4
8
VCC
/LCD_RESET C220
220n
5
CTS
A6
D7
C240
470p
8
2,7,8
X201
DST410S
1
2
HS_MIC_P
PDNB
JTAG_NTRST
D0
VCC
A4
A23
/RD
HF_DET
A0
RXD
AVCC
/CS2
4
8
SIM_1V8/3V
BAT_ID
SY NDAT
CHG
IRX
A13
/WR
R220 100K
EL_MAIN_EN
ROW4
/RD
BAT_ID
DCON
CLK13M_EN
8
4
USB_DET
LCD_BL
EN_ALIM
RTS
AVCC
VXI1P
EN_ALIM
HS_REC_P
QTX
D1
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-
SPK1P SPK1N SPK2P SPK2N
GND
GND
GND
GND
MIC2P
MIC2N
MIC1P
MIC1N
VXI2P
VXI2N
VXI1P
VXI1N
8
SY NENB
A15
A22
SIMCLK
DCON
V_BAT
D5
8
4
USB_D+
A21
FLIP_KEY
D[0..7]
C204
33n
COL4
A8
C222
220n
HF_DET
/BT_RST
C226 1u
RTCK
7
8
V_CORE
VXI2P
TXD
COL2
A18
AFC
5
8
7
TDO/PCM_OUT
A16
ROW3
BOOT
D10
U201
V250G
A1
A4 A11
A13
A14 A17
B1
B8
B13
B14
B17
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
V11
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
K18
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 G16 G17 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
E18
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
AV
D
D
IQ
D
18VD
D
MAIN_CLK
VD
D
P
LL1
30
AVD
D
1
VOI
C
E
ADD6(1.8V)
AVD
D
A
U
X
LFT104
AVD
D
2
VOI
C
E
AG
N
D
VOI
C
E2
VD
D
R
F
PAD
1/
D
V
D
D
IQ
ADCIN3
ADCIN4
V
DDO
S
C
E
N
A
G
ND
CS
Q
AVD
D
C
S
Q
VCMOUT
VCMIN
DATA2(1.8V)
DATA5(1.8V)
DATA1(1.8V)
DG
N
D RTCK/GPIO5/WDN
VD
D
J
T
A
G
V
DDS
CI
DATA7(1.8V)
DATA0(1.8V)
ADD2(1.8V)
READN(1.8V)
DATA3(1.8V)
D
18VD
D
RAM_CSN(1.8V)
FLASH_CSN(1.8V)
D
18VD
D
TESTMODE
ADD0(1.8V)
ADD19(1.8V)
D
18VD
D
ADD8(1.8V)
ADD5(1.8V)
FLAG_VDD(RTC)
ADD17(1.8V)
WRITEN(1.8V)
ADD1(1.8V)
PWR_EN(RTC)
ADD9(1.8V)
ADD21(1.8V)
RAM_UP_CSN(1.8V)
ADD11(1.8V)
ADD7(1.8V)
ADD12(1.8V)
ALERTER(2.8V)
VD
D
P
LL
48
DATA11(1.8V)
ADD18(1.8V)
ADD20(1.8V)
DG
N
D
ADD14(1.8V)
DATA12(1.8V)
ADD16(1.8V)
SIM_RST
SIM_CLK
VD
D
S
IM
/V
D
D
ALET
E
R
DATA13(1.8V)
ADD10(1.8V)
ADD15(1.8V)
SIM_PWR
ADD3(1.8V)
ADD4(1.8V)
DATA15(1.8V)
SIM_DATA
DATA6(1.8V)
ADD13(1.8V)
DATA9(1.8V)
DG
N
D
V
DD_
D
V
IO
1
D
18VD
D
DATA10(1.8V)
DG
N
D
(2.8V)GPO5/RTS1
DATA8(1.8V)
DATA14(1.8V)
DATA4(1.8V)
D
18VD
D
(1.8V)GPIO2/DEBUG1
GPIO4/USR1_CS/LCD_CS/LCD_EN(1.8V)
(2.8V)GPIO7/PLL_EN2
DG
N
D
G
NDP
L
L
4
8
G
NDR
TC
AG
N
D
IQ
AG
N
D
AU
X
G
N
D
P
L
L130
DG
N
D
AG
N
D
VOI
C
E1
DG
N
D
SY SRSTN(1.8V)
COL0(1.8V)
ROW4(1.8V)
ROW0(1.8V)
ROW1(1.8V)
ROW2(1.8V)
ROW3(1.8V)
COL1(1.8V)
COL2(1.8V)
COL3(1.8V)
COL4(1.8V)
(2.8V)JTAG_NTRST/IO_AUDIO/DAI_RST
(2.8V)JTAG_TMS/FSY _G711/CODEC_8K_EN
(2.8V)JTAG_TCK/FBCK_G711/DAI_PCMCLK
(2.8V)JTAG_TDI/FDI_G711/DAI_PCMIN
(2.8V)JTAG_TDO/FDO_G711/DAI_PCMOUT
GPIO0/BOOTn(1.8V)
(1.8V)GPIO18/PWM1/EXTINT1/SIMPRES
(2.8V)GPIO11/SPI_DAT2/DSR1
(2.8V)GPIO16/RxD1
(2.8V)GPIO17/CTS1
(2.8V)GPO3/SPI_CLK2/DTR1
(2.8V)GPO4/TxD1
ADD22(1.8V)
(2.8V)GPIO12/SPI_DAT3/SDA
(2.8V)GPIO13/SPI_CLK3/SCL
GPIO20/EXT_INT3/SCI_PRES(1.8V)
(2.8V)GPIO21/SCI_DATA
GPIO22/SCI_CLK(2.8V)
(1.8V)GPIO23/SCI_RST
GPIO24/SCI_PWR(2.8V)
(2.8V)GPIO1/GPTBUO3/DEBUG0/SIMPRES
GPIO3/RxD2/USR_CS(1.8V)
(1.8V)GPIO14/GPTBUO5
GPIO19/CTS2(1.8V)
(1.8V)GPO1/TxD2/LCD_EN
(1.8V)GPO2/PWM0/RTS2
GPIO9/SPIDAT1(1.8V)
ADCIN1
ADCIN2
ADCIN0
GPIO10/SPI_CLK1(1.8V)
GPIO15/EXTINT2(1.8V)
V
D
DRT
C
GPO0/OSC_EN0(2.8V)
GPO6/OSC_EN1(2.8V)
(1.8V)GPIO8/GPTBUO4
GPIO6/ADD23(1.8V)
TXIP
TXIN
TXQP
TXQN
RXIP
RXIN
RXQP
RXQN
AGC_AUX_DAC
TXALIM_WIN
RXALIM_WIN
(2.5V)GPTBUO0
(2.5V)GPTBUO2
(2.5V)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
A4
15p->12p
V_CORE
D8
UP_ON_OFF
HS_MIC_N
3,35,7
8
D15
D12
V_CORE
HS_REC_N
R219 0R
7
8
7
MICIN
LED_ID
SIM_1V8/3V
/WR
USB_D+
BT_EN
C219 1n
USB_DET
COL[0..4]
VCC_RTC
A9
A14
/RAM_CS
TXD
3,35,7
8
A[0..23]
A22
C215
220n
SIM_PWREN
5
7
A21
HS_REC_N
VCC
V_CORE
A7
SIMDATA
BT_EN
HS_DET
0E-02
HS_MIC_N
VC1
A11
INT3
QRX
LCD_BL
3,35
600
600 RF
AFC
SY NDAT
V_BAT
QTX
QRX
TXPOWER
SY NCLK
EN_ALIM
RF_RESET
TX_EN
ITX
CLK13M
VC1
IRX
/IRX
/QRX
/ITX
PDNB
/QTX
VC2
SY NENB
VCC
V_CORE
INT3
/IRX
/UB
REC_P
VCC
C223
33n
+
C254
10u/6.3V(1608T)
4
7
300
300 Flash/RAM
V_CORE
/RAM_CS
/ROM_CS
D[8..15]
/RD
/WR
A[0..23]
/UB
/RESET
D[0..7]
A13
SIMRST
VCMOUTIQADC
VCC
D11
3,7
INT1
D13
A16
VXI2N
CLK13M_EN
D[8..15]
3,7
V_BAT
HS_DET
A8
D[0..7]
SY NCLK
D9
A17
USB_D-
4
5
7
4
C253 100n
A23 3,7
TXPOWER
COL0
LED_ID
VCC
MICIP
JTAG_NTRST
BOOT
3,7
VMICN1
/RESET
C251 100n
INT1
UP_ON_OFF
CAP+
C17
A15
C202
33n
4
5
7
4
MIC0N
ROW2
/ITX
A1
A2
R222 0R
INT2
EL_NAVI_EN
D4
C203
220n C208
33n
CHG
TDO/PCM_OUT
PDNB
RTS
C256
1u
MIC1N
C201
220n
C221
33n
C229 1u
8
SIMDATA
CLK13M
A9
R217 330R
ROW[0..4]
5
5
7
7
MICIP
REC_N
RF_RESET
A20
A14
A6
C205
220n
BAT_VOLT
C213
220n
C241
4n7
HS_MIC_P
VC2
COL1
A19
TCK/PCM_CLK
D2
C242
33n
/CS2
3,35.7
VMICP
A3 A3
C214
33n
INT2
5
5
5
SIM_PWREN
EL_MAIN_EN
C252 100n
COL3
C206
33n
HS_KEY _DET
A22
ROW0
FLIP_KEY
AVCC
A20
R218
3K3
/LCD_RESET
5
5
7
5
CLK13M
/CS1
A5
A1
A12
VCC_RTC
/RESET 4
REC_N
A10
CLK13M
3,35.7
SIMCLK
REC_P
TX_EN
TMS/PCM_SY NC
CLK_32K
USB_D-
CLK_32K
TDI/PCM_IN
C255
1u
MIC1P
7
4
7
5
MICIN
A12
3V3
VXI1N
ITX
A2
4
RXD
D[0..7]
A5
5
VCC_RTC
RF_RESET
D3
R210
n.m
A21
V_BAT
TDI/PCM_IN
/QTX
BAT_VOLT
C18
MIC0P
D14
/CS1
8
7
5
HS_KEY _DET
V_CORE
D6
/ROM_CS
D[8..15]
/BT_RST
A20
EL_NAVI_EN
8
V_BAT
CTS
TX_EN
C207
220n
C239
12p
AVCC
C250 100n
C216
33n
/QRX
A23
D[8..15]
C237
12p
4
5
3V3
V_CORE