Figure 9.3-20.Pmle4427A/ Pmle4427B Side Connector Schematic - Motorola ASTRO XTS 2500 Service Manual

UHF2 Schematics, Board Overlays, and Parts Lists
V2.9
C638
0.1uF
U601
OPT_SEL2_IN LM7301
5 4
1
3
2
V2.9 V2.9
C621
0.10uF
R613
20K
U602
LM7301
5 4
1
OPT_SEL1
3
2
C614
R614
330pF
20K
RS232_DO_USB+
VCC5
LHDATA_KEYFAIL
R677
10K
6816985H01-B
D603
1
V2.9 V2.9
VPP_EN
R673
R656
10K
10K
OPT_SEL2_OUT
V2.9
R615
100K
R672
C620
10K
0.1uF
R658
150K
SPKR+
SPKR-
R667
EXT_SPKR+
L651 270nH
EXT_MIC
ONE_WIRE_OPT
EXT_SPKR-
R669 100
RTS
R670 100
LH_BUSY
CTS
R675 560
RS232_DI_USB-
R674
100
L652
270nH
INT_MIC
C607
VR678
0.10uF
6 4 3 1
VR659
5.6V
5 2
VPP
2
SW_B+
Q698
R668
68
OPT_B+_VPP
D662
VR663
9.1V
Band Specific
Band Specific Band Specific
*C658* *C652* *C653* *C654* *C655* *C656* *C657*
100pF 100pF 100pF 100pF 100pF 100pF 100pF
Band Specific Band Specific
Band Specific Band Specific
390
R666 220
R671 390
C674
C671 C680 C673
33pF
33pF 33pF 470pF
VR651 VR652
5.6V 5.6V
BAND SPECIFIC CAPACITOR VALUES
R697
BAND CAP VALUE
100
700/800 MHz 39 pF
UHF 100 pF
VHF 470 pF
VR658
13V
2
1 3 4 6
VR662
5.6V
2 5
V2.9
C866
.01uF
DNP
Q804
R654
10K
VR650
12.6V
EXT_SP GND
EXTMIC EXTSP+
J650-1
J650-2
J650-3
J650-4
100
R608
J650-5
J650-6
R678 100
J650-7
J650-8
J650-9
J650-10
J650-11
J650-12
J650-13
R837
J650-14
33
R838
J650-15
33
J650-16
J650-17
J650-18
J650-19
VR657
*C675* 6.8V
C672
100pF J650-20
100pF
Band Specific
USB_D+
BUSY BUS
C868
C867
.01uF
.01uF
DNP DNP
RTS1 CTS1 USB_D
PART #
2113743N40
2113743N50
2113743L09
Figure 9.3-20. PMLE4427A/ PMLE4427B Side Connector Schematic
9.3-21
V2.9
NP
R633
10K
0
R634
MOD
NP
HAB_MOD
0
R635
V2.9
NP R636
10K
J650
20 PIN CONN
GND
INT_SPK+
INT_SPKR-
OPT_SEL1
EXT_SPK+
EXT_MIC
OPT_B+_VPP
OPT_SEL2
SPKR_COM
RTS_USB_PWR
GND
LH_BUSY
CTS
RS232_TX_USB+
RS232_RX_USB-
LH_DATA_KEYFAIL
NC
INT_MIC
GND
GND
August 16, 2007