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4-104
Schematic Diagrams, Overlays, and Parts Lists
: Low Band Section
SrD_Rtn
Key_Col
Rdy/Req
DB1
Tx_Aud_Rtn
DB2
DB3
J400
PTT
DB7
SrD_Snd
NU
NU
NU
NU
Gnd
800 MHz only
SCK_Snd
Key_Intrp
EXT_MIC
VS_RAC
VS_GAINSEL
DB4
DB5
Rx_Aud_Rtn
NU
NU
VS_CS
INT_EXT_Vdd
LED_EN
VS_INT
R/W*
Vddd
Rx_Aud_Snd
SW_B+
Key_Row
VS_AUDSEL
Flat_Tx_Rtn
Tx_Aud_Snd
Det_Aud_Snd
Opt_Bd_En
DB0
RST*
OFF_BATT_DATA_OUT
DB6
40-PINS CONNECTOR
A0
CS*
ON
R481
E405
24K
E409
C467
0.1uF
C463
100pF
J400-22
J400-36
J400-39
C458
100pF
J400-2
C529
.01uF
C528
.01uF
E407
E408
E404
J400-6
J400-31
J400-21
E406
C466
J400-38
J400-37
100pF
J400-28
J400-34
C524
.01uF
C525
.01uF
E401
J400-17
E403
E400
J400-35
J400-29
J400-23
J400-32
J400-13
J400-18
100pF
C404
J400-8
C526
.01uF
C527
J400-7
.01uF
J400-15
J400-25
J400-3
J400-9
J400-11
J400-20
J400-19
0.1uF
C482
J400-24
J400-33
J400-14
J400-4
E402
J400-16
J400-27
J400-10
J400-5
J400-30
J400-26
J400-1
J400-12
0.1uF
C481
J400-40
KEYPAD_COL
KEYPAD_ROW
EXT_MIC
C459
100pF
D5
D3
D6
D2
D1
D0
Vddd
VS_CS
KEY_INT
OFF_BATT_DATA_OUT
PTT
SWB+
A0
R_W
RESET
LCD_SEL
LEDBL
INT_EXT_Vdd
VS_INT
VS_AUDSEL
VS_GAINSEL
MISO
VS_RAC
D7
D4
OPT_ENA
DATA
RDY
FLAT_TX_RTN
TX_AUD_RTN
CLK
FLAT_RX_SND
RX_AUD_RTN
URX_SND
TX_AUD_SND
Figure 4-77:
Low Band (29.7–42/35–50 MHz) Interface Diagram
Содержание PR860
Страница 1: ...PR860 Two Way Portable Radio Detailed Service Manual ...
Страница 2: ......
Страница 5: ...iv Notes ...
Страница 9: ...viii Table of Contents Notes ...
Страница 13: ...Notes xii List of Figures ...
Страница 17: ...1 4 Introduction Radio Model Information Notes ...
Страница 51: ...2 34 Theory of Operation Voltage Control Oscillators VCO Notes ...
Страница 81: ...4 4 Schematic Diagrams Overlays and Parts Lists Flex Layout Notes ...
Страница 193: ...4 116 Schematic Diagrams Overlays and Parts Lists Low Band Section Notes ...
Страница 196: ......