VK VK4500, Service Manual

Page: 53 / 81

VK Quality Group GSM C/S
☞
☞
Bluetooth Block
Bluetooth Block
CLK_32K
TDI/PCM_IN
C817
100n
INT3
C803
100n
VCC
X801
ASE2-102-26.00MHZ-T
4
1 2
3
VCC
CTL GND
OUT
BT2V8
C802
33p
UART_CTS
BT2V8
BT_EN
R803 100K
R802 100K
2
5
26M_BT_CLK
BT2V8
BT_EN
2
TDI/PCM_IN
TDO/PCM_OUT
+
C813
10u/6.3V(1608T)
U804
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
BT2V8
4
/BT_RST
2
TMS/PCM_SY NC
R826
10K
RTCK
TMS/PCM_SY NC
CTS
< PCM Switching Circuit >
R816
100K
R801 47K
2
2
C808
220n
BT2V8
R807 10K
BT_TXD
4
A2V8
TDI/PCM_IN
C810
220n
TDI/PCM_IN
RTCK
TDO/PCM_OUT
BT_TXD
C806
220n
R810 0R
RXD
2
R808
18K
C801
100n
UART_RTS
BT_CTS
TCK/PCM_CLK
26M_BT_CLK
U805
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
TMS/PCM_SY NC
TP805 TDI
< UART Switching Circuit >
C804
100n
TP807 RTCK
2
BT2V8
BT2V8
UART_RXD
BT_RXD
4
C809
220n
TMS/PCM_SY NC
2
C818
100n
2
BT_RTS
TCK/PCM_CLK
A2V8
TP804 TDO
BT_RTS
JTAG_NTRST
VCC
< Bluetooth Clock>
TP808 GND
2
TCK/PCM_CLK
UART_TXD
C807
100n
TDO/PCM_OUT
VCC
RTS
R809 0R
2
A2V8
ANT801
RCA2450P90
1
2
3
U802
LFB212G45BA1B763
1
3
5
4
2
6
7
8
NC
S
D+
GN
D
NC
GN
D
D-
GN
D
5
2
C812
n.m
TP802 TCK
BT_CTS
2
TP803 TMS
TXD
VCC
C811
220n
TDO/PCM_OUT
BT_EN
BT_RXD
R827
10K
4
E-STLC2500A
U801
A1 A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
B7
B8
B9 B1
0
C1
C2
C3
C4 C5
C6
C7 C8
C9
C10
D1
D2
D3 D8
D9
D1
0
E1
E2
E3 E8 E9
E1
0
F1
F2
F3
F8
F9 F1
0
G1 G2
G3
G8
G9
G1
0
H1
H2
H3
H4 H5 H6 H7 H8
H9
H10
J1
J2
J3
J4
J5
J6
J7
J8
J9
J1
0
K1 K2
K3
K4
K5
K6
K7
K8
K9
K10
VS
S_
D
IG
VS
S_
AN
A
V
DD_
HV
VS
S_
R
F
RFP
RFN
VS
S_
R
F
ABUS_IN_QN
ABUS_QP_IP
ANA_1
JTAG_TDO
V
DD_
DI
G
VS
S_
AN
A
ANA_2
V
DD_
RF
VS
S_
AN
A
ABUS_IP_QP
ABUS_QN_IN
VS
S_
AN
A
VS
S_
AN
A
JTAG_TDI
JTAG_NTRST
V
DD_
DI
G
VS
S_
AN
A
VS
S_
AN
A
VDD_T
VS
S_
AN
A
VS
S_
AN
A
V
DD_
HV
ANA_3
JTAG_TMS
JTAG_TCK
VS
S_
D
IG
VS
S_
AN
A
ANA_4
V
DD_
HV
PCM_CLK
PCM_SY NC
VS
S_
D
IG
VS
S_
AN
A
V
S
S
_
A
N
A
V
DD_
DS
M
PCM_B
PCM_A
V
DD_
IO
_
A
VS
S_
AN
A
V
DD_
HV
V
DD_
N
V
DD_
IO
_
A
V
DD_
IO
_
A
VS
S_
D
IG
V
DD_
CL
D
VS
S_
AN
A
V
DD_
CL
CONFIG_JS
CONFIG_CLK
CONFIG_R
VS
S_
D
IG
VS
S_
D
IG
VS
S_
D
IG
VS
S_
D
IG
VS
S_
D
IG
V
DD_
CL
D
RF_CLK_IN
CONFIG_M
V
DD_
DI
G
BT_WAKEUP
CONFIG_RF
HOST_WAKEUP
UART_CTS
UART_RxD
GPIO_0
GPIO_2
V
DD_
DI
G
V
DD_
HV
V
DD_
D
RESETn
V
DD_
IO
_
B
LP_CLK
UART_RTS
UART_TxD
GPIO_1
GPIO_3
AF_PRG
C814
100n
JTAG_NTRST TP806 NTRST
2
< Bluetooth >
BT2V8
BT2V8
TCK/PCM_CLK
BD801
BLM18PG300SN1
TP801 VCC