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Motorola GP344 Detailed Service Manual

Motorola GP344
416 pages
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PCB and Schematic Diagrams IP67 3-53
CSX
SB3
5V
GND
GND
RSSI
DACRx
SWB+
GND
UHF
MARKER
VHF
N.U.
VOL
N.U.
LOCK
CLK
DATA
UNSWB+
RESET
J400
RTA1
RTA0
EMER
TO/FROM RF
N.U.
BATT_CODE
Vdda
DEMOD
LI_ION
GND
SB2
RTA2
UNSWB+
UNSWB+
GND
GND
SWB+
PTT
16.8MHz
MECH_SWB+
RTA3
GND
SB1
GREEN_LED
0902042P03
LVZIF_SEL
RED_LED
(470pF) (100pF)
MODIN
N.U.
J400-21
J400-3
J400-4
C705
470pF
J400-26
J400-12
J400-2
J400-27
470pF 470pF
C704C706
J400-42
J400-38
J400-9
C703
J400-24
470pF
+BWS
NYS
NT
R
_D
U
A_
XT
DNS_DUA_XT
+BWSNU
DNS_XRU
XOV
VS_AUDSEL
VS_GAINSEL
Vdda
Vddd
FLAT_RX_SND
NTR_XT_TALF
DEL_NEERG
OISH
ddV_TXE_TNI
INT_MIC
LBDEL
O
I
SL
+BWS_HCEM
O
S
I
M
NIDOM
TUO_ATAD_TTAB_FFO
DEL
_
D
E
R
TESER
NTR_DUA_XR
TED_QS
4V_3.3V
5V
AUDIO
AUDIO_PA_ENA
EDOC_TTAB
NI_ATAD_TTAB
TCAHC
KLC
XSC
DACRX
ATAD
DEMOD
S
C
_EE
EXT_MIC
EXT_SPKR_SEL
0021F
z
HM
8.61
J400-16
470pF
C718
J400-6
470pF
C729
470pF
J400-14
C724
C751 C750
470pF
J400-39
100pF
J400-41
J400-5
J400-11
470pF
C712 C710
470pF
C716
470pF
C711
J400-25
470pF470pF
C709
J400-19
J400-23
J400-28
J400-30
J400-29
J400-15
470pF
C715
470pF
C731
J400-7
470pF
C707
J400-40
+BWSNU
VOL
XOV
VS_CS
TNI_SV
VS_RAC
Vddd
XA18
RDY
TE
S
ER
RSSI
RTA0
RTA1
RTA2
RTA3
R_W
SB1
SB2
SB3
SCI_RX
SCI_TX
T
E
D_
Q
S
+BWS
NYS
KEYPAD_COL
KEYPAD_ROW
TNI_YEK
LCD_SEL
LI_ION
KCOL
O
I
SL
LVZIF_SEL
MECH_SWB+
OSI
M
OFF_BATT_DATA_OUT
OPT_ENA
OPT_SEL1
OPT_SEL2
TTP
RAM_CS
XSC
D0
D1
D2
D3
D4
D5
D6
D7
ATAD
S
C_
E
E
REME
0021F
FLASH_EN
FLASH_OE
O
I
S
H
A14
A15
A16
A17
A2
A3
A4
A5
A6
A7
A8
A9
NI_AT
A
D_TTAB
BOOT_CTRL
TCAHC
KLC
ISSR
XR_ICS
XT_ICS
+BWS
+BWSNU
addV
A0
A1
A10
A11
A12
A13
V5
OIDUA
ANE_AP_OIDUA
LRTC_TOOB
CIM_TXE
LES_RKPS_TXE
DNS_XR_TALF
CIM_TNI
1LES_TPO
2L
E
S_TPO
C702
470pF
J400-18
C727
470pF
470pF
C708
J400-31
C701
470pF
RDY
RESET
RX_AUD_RTN
R_W
SWB+
TX_AUD_RTN
TX_AUD_SND
URX_SND
VS_AUDSEL
VS_CS
VS_GAINSEL
VS_INT
VS_RAC
Vddd
D6
D7
DATA
EXT_MIC
FLAT_RX_SND
FLAT_TX_RTN
INT_EXT_Vdd
KEYPAD_COL
KEYPAD_ROW
KEY_INT
LCD_SEL
LEDBL
MISO
OFF_BATT_DATA_OUT
OPT_ENA
PTT
A0
CLK
D0
D1
D2
D3
D4
D5
J400-13
C723
470pF
470pF
C722
D3
D4
D5
D6
D7
NE_
H
S
ALF
E
O_
H
S
ALF
SC
_
M
A
R
RESET
W_
R
ddd
V
81
AX
J400-37
A13
A14
A15
A16
A17
A2
A3
A4
A5
A6
A7
A8
A9
D0
D1
D2
J400-34
A0
A1
A10
A11
A12
470pF
C721
J400-36
J400-35
470pF
C717
470pF
C726
C714
470pF
J400-20
J400-8
J400-17
C728
470pF
J400-32
J400-33
J400-22
C713
470pF
J400-10
J400-1
DATA
KEY_INT
RESET
LCD_SEL
LEDBL
RESET
SWB+
Vddd
KEYPAD_ROW
KEYPAD_COL
CLK
Vddd
LI_ION
VOL
SB1
SB3
RTA0
RTA3
5V
Vdda
RESET
EMER
BATT_CODE
CSX
DACRx
DATA
MODIN
SWB+
LVZIF_SEL
PTT
GREEN_LED
RED_LED
RTA1
RTA2
RTA3
SB1
SB2
SB3
VOL
16.8MHz
DEMOD
LOCK
MECH_SWB+
RSSI
SB2
UNSWB+
CLK
DACRX
DEMOD
LVZIF_SEL
LCD_SEL
zH
M8.61
EDOC_
T
TAB
DEL_NEERG
LB
DEL
NIDOM
DEL_DER
V5
ISSR
SWB+
UNSWB+
addV
CLK
CSX
DATA
REME
KEYPAD_COL
KEYPAD_ROW
TNI_YEK
LI_ION
KCOL
MECH_SWB+
TTP
RTA0
RTA1
RTA2
Complete Controller Schematic Diagram
8471678L01/8471679L01

Table of Contents

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Motorola GP344 Specifications

General IconGeneral
power supply7.5 V
power VHF1-5 W
power UHF 11-4 W
power UHF 21-4 W
average battery life with standard Li-lon battery (low power)>9 hours
average battery life with standard Li-lon battery (high power)>7 hours
average battery life with high capacity Li-lon battery (low power)>13 hours
average battery life with high capacity Li-lon battery (high power)>10 hours
operating temperature-20°C to +55°C
frequencies VHF136-174 MHz
frequencies UHF 1403-470 MHz
frequencies UHF 2450-527 MHz
channel spacing12.5/20/25 kHz
frequency stability±2.5 ppm
modulation limiting @ 12.5 kHz±2.5
modulation limiting @ 20 kHz±4.0
modulation limiting @ 25 kHz±5.0
FM hum & noise-40 dB typical
conducted/radiated emission <1 GHz-36 dBm
conducted/radiated emission >1 GHz-30 dBm
audio response (300-3000Hz)+1 to -3 dB
audio distortion<5% typical
frequencies VHF136-174 MHz
frequencies UHF 1403-470 MHz
frequencies UHF 2450-527 MHz
channel spacing12.5/20/25 kHz
sensitivity (12 dB SINAD) EIA0.35 µV typical
intermodulation EIA-65 dB
adjacent channel selectivity @ 12.5 kHz60 dB
adjacent channel selectivity @ 20/25 kHz70 dB
spurious rejection70 dB
rated audio0.5W
audio response (300-3000 Hz)+1 to -3 dB
Weight and Dimensions IconWeight and Dimensions
dimensions with standard Li-lon battery101.5 x 55.5 x 30.5 mm
dimensions with high capacity Li-lon battery101.5 x 55.5 x 35.5 mm
weight with standard Li-lon battery250 gm
weight with high capacity Li-lon battery270 gm

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