Kenwood NX-5900 Service Manual page 97

700/800mhz digital transceiver
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MODULE (BT/GPS) UNIT (XC2-0031-80)
MODULE UNIT (BT/GPS)(XC2-0031-80)
IC1
LEVEL
CONVERTER
1.8V
1.8V
5
IC1
IC2
74AVC4TD245GU
VOLTAGE
REGULATOR(18BT)
9
DIR4
DIR1
4
C47
0.1u
10
GND
VCC(A)
3
11
C46
OE
VCC(B)
2
0.1u
12
DIR3
DIR2
1
DC SW
R3
10k
R4
18BT
IC2
100
3.17V
BU18TD2WNVX
4
R8
BT_SW
3
STBY
1k
CN1
0V
20
L1
19
4
VIN
VoUT
18
17
16
GPS_ANT_SW
15
14
10*4
13
8
7
12
6
5
11
10
9
3
8
7
4
6
3
2
5
1
CP1
10*4
4
3
2
1
5.34V
0V
2
1
A
B
IC3
VOLTAGE
REGULATOR(33BT)
3.31V
EM6M2
R26
0
X1
19.2MHz
1
VCoNT
Q1
VCC 4
2
GND
oUTPUT 3
1u
C10
L77-3123-05
0.1u
C11
C4
0.1u
0.1u
C12
GND
2
C13
0.1u
1.80V
33BT
C18
IC3
18p
R11
VIN 1
1
6
CE
C14
1k
0.1u
NC1 2
5
VSS
33BT
VoUT 3
4
NC2
C15
1u
1u
C5
CN2
C6
0.47u
GPS_PPS_OUT
CP2
BCLK
1
L3
WCLK
2
BT_AUD_DO
3
3.32V
4
BT_AUD_DI
5.30V
33GPS
L2
C16
0.1u
CTS2
C17
RTS2
5
0.1u
6
TXD2
7
RXD2
8
33BT
L4
R14
18BT
1k
L5
3.20V
3.30V
IC4
1.80V
VOLTAGE
REGULATOR(33GPS)
C
(No.RA032<Rev.001>) 2-9
1.80V
R18
18BT_HCI_TX
18BT_HCI_RX
18BT_RX
0
A1
B1
B2
C1
VDD_SRAM_LDo
PMTEST_1P8V
VSS_RF_BT
C2
VDD1P8V_1
BT_RF
VSS_DIG5
VDD_CLASS1P5_BT D9
D4
VDD_DIG_LDo
VDD1P8V_BT
TCXo_CLK_REQ
VDD_PPAIF_BT D10
VDD_LDoIN_CLASS1P5_BT
E2
VDDS4
REF_CLK_LV E7
E1
TCXo_LDo_VPRoG
REF_CLK_HV E8
F1
TCXo_CLK_LV
BT_WAKEUP H10
G2
VSS_TCXo_CLK
VSS_REF_CLK E9
G1
VDD_TCXo
VSS_DIG3 E10
F2
VDD_DIG2
VDD_SRAM1 F9
F3
IC5
VSS_DIG2
VDD_DIG4 F10
H1
TCXo_LDo_IN
VSS_DIG1 G9
C4
GPS_PPS_oUT
VDDS2 G10
C6
GPS_TIMESTAMP
GPS/BLUETOOTH
FM_I2C_SDA E6
D5
GPS_nSHUTDoWN
FM_I2C_SCL F6
E4
GPS_SENS_I2C_SDA
FM_IRQ G6
F4
GPS_SENS_I2C_SCL
FM_I2S_CLK F8
E3
GPS_UART_RX
FM_I2S_FSYNC F7
F5
VDD1P8_GPS
GPS_UART_TX
FM_I2S_oUT G7
VSS_PLL_GPS
RTC_CLK
H2
GPS_TM
FM_I2S_IN G8
VDD_PLL_GPS
VDD1P8_FM
H3
VSS_LNA_GPS1
VSS_PASYNTH_FM
GPS_TP
FM_AUD_IN_L H7
J3
FM_AUD_IN_R H8
J1
J2
L1
GPS_PA_EN_LV
R16
(3216)
10
3.30V
GPS_ALM
GPS_PWR
3.30V
to ADC
to ADC
ANT CONNECT:3.13V
ANT UNCONNECTED:3.30V
D
E
2-9 (No.RA032<Rev.001>)
E1
F10-3226-05
R21
18BT_TX
0
L11
MSL
C37
R29
R27
MSL
oUT
IN
MSL-SL-MSL
22p
0
0
B10
GND2
GND1
0.1u
C32
C10
C8
C33
0.1u
D8
C34
0.1u
74AVC4TD245GU
C35
0.1u
1.8V
9
DIR4
DIR1 4
C48
10
GND
VCC(A) 3
R22
C49
11
OE
VCC(B) 2
10k
0.1u
12
DIR3
DIR2 1
IC6
1.8V-3.3V
74AVC4TD245GU
LEVEL SHIFT
C31
1u
IC6
3.3V
DIRn H=An->Bn
LEVEL
L=Bn->An
CONVERTER
GPS&BT RTC
NDK NZ2520B
-32.768000k-NSA3534A
X2
L77-3121-05
@C-FRE
L8
CN4
1.80V
H9
J8
J10
ANT CONNECT:3.13V
ANT UNCONNECTED:3.30V
SAW FILTER
GPS
L9
C36
L7
R23
R24
C40
4
1
10n
0
0
22p
18p
(-71)
MSL
0V
0V
L6
27n
CN5
GPS ANT
F
BT ANT
CN6
IC7
LEVEL
L15
CONVERTER
2.2n
1.8V
IC7
9
DIR4
DIR1 4
0.1u
10
GND
VCC(A) 3
R25
11
OE
VCC(B) 2
10k
12
DIR3
DIR2 1
C44
0.1u
3.3V
C45
C50
47p
0.1u
3.32V
1.80V
G

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