Motorola HT Series Service Manual page 107

6FKHPDWLF 'LDJUDPV 2YHUOD\V DQG 3DUWV /LVWV )OH[ /D\RXW
 8QLYHUVDO &RQQHFWRU )OH[ 6FKHPDWLF
13 PIN UNIVERSAL CONN
J404
EXT_SPKR+
J405
EXT_SPK-
OPT_B+ J406
EXT_MIC J407
OPT_SEL_2 J408
OPT_SEL_1
J409
GND
J410
RX_DATA
J411
TX_DATA
J412
RSSI J413
RX_AUDIO/TX_AUDIO J414
BOOT_CTRL J415
NC J416
 8QLYHUVDO )OH[ &RQQHFWRU 3DUWV /LVW
5HIHUHQFH
6\PERO
&
0
0
0
SPKR_20
SPKR_20
OPT_B+30
)LJXUH  8QLYHUVDO )OH[ &RQQHFWRU 6FKHPDWLF 'LDJUDP
0RWRUROD 3DUW
1R
$
 $
 $
-
 =
M400
SPKR_20
SPKR_20
M401
1
2
C402
100pF
'HVFULSWLRQ
&DS S)
6SHDNHU  RKP
0LFURSKRQH IRU  DQG  6HULHV
0LFURSKRQH IRU  6HULHV
)OH[ 6SHDNHU 0LFURSKRQH
J403
20 PIN CONN
1
GND
2
INT_SPK+
3
INT_SPK-
4
EXT_SPKR+
5
EXT_SPK-
6
DPT_B+
7
EXT_MIC
8
OPT_SEL_2
9
OPT_SEL_1
10
GND
11
RX_DATA
12
TX_DATA
13
GND
14
RSSI
15
RX_AUDIO/TX_AUDIO
16
BOOT_CTRL
17
NC
18
MIC
19
GND
20
GND
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