Schematic Diagram - Kenwood KGP-2A Service Manual Supplement

A
KGP-2A/2B
CONTROL UNIT (X53-3980-XX)
1
J2
ACC1
NC 1 6
RTS1
RXD1
NC
TXD1
NC
DTR1
NC 9
GND 5
* J3
ACC2
SEN7 1
6
RTS2/SEN6
RXD2/SEN3
SEN1
TXD2/SEN4
SEN0
DTR2/SEN5
9
SEN2
GND 5
2
*
ACC3 J1
15
15
5
5
SEN15
10
10
MicIn/DTR2/SEN5
14
SEN10
4
SEN14
9
TXD2/SEN4
13
SEN9
3
SEN13
8
RXD2/SEN3
12
SEN8
2
SEN12
7
GND
11
SEN7
1
SEN11 1
3
6
SBO
11
MicGnd/RTS2/SEN6
6
4
OVER
CURRENT
PROTECTION
RADIO
CN1
1812L075PR
1
SB
SBO
DI
GND
DO
5
PTT
DTC
SQ
TXS
AM
MM
ID
DISP OFF
TXD
RXD
15
*
R33
6
X53-3980-XX A1
-20 KGP-2A M W02-3705-05 W09-0985-15
-21 KGP-2B M NO
X53-3980-XX R11 R12 R13
-20 KGP-2A M 0 0 0
7
-21 KGP-2B M NO NO NO
X53-3980-XX L24 C1
-20 KGP-2A M L41-1015-24 100p
26
-21 KGP-2B M NO NO
X53-398 1/4
B

SCHEMATIC DIAGRAM

D1 D2
BACKWARD
VOLTAGE
PROTECTION
D1
D8,12,60,61
SURGE ABSORPTION
1
D8
CP3
100*4
CP4
100*4
NNCD6.8G-A
1
*
* * D18
R37 D18
REVERSE
CURRENT
PROTECTION
* *
Q1 Q2
*
A1
2
1
FMT PPS
VBU TXD0
RXD0 VCC
VANT RXD1
SIG GND
9 10
Q1,2
GPS MODULE SWITCHING
*
R137
BA1 CP60 CP70 CP71 CP72 CP73 CP74 D18 D31
47k 100 100 100 100 100 MA2S111-F NNCD6.8G-A
NO NO NO NO NO NO NO NO NO
R14 R15 R16 R33 R37 R134 R135 R136 R137 R138 R139
0 0 0 220 220 1k 120 5.6k 3.3k 5.6k 3.3k
NO NO NO NO NO NO NO NO NO NO NO
C2 C3 C6 C8 C10 C12 C13 C15 C18 C19 C21
100p 100p 100p 100p 100p 0.01u 100p 100p 0.01u 100p 100p
NO NO NO NO NO NO NO NO NO NO NO
C
* R159
* R160
*
R161
*
R162
* R163
* R164
*
R165
* R166
* R167
*
R168
*
R169
*
R170
*
R171
*
R172
*
R173
*
R174
*
R175
*
R176
*
R177
*
R11
* R12
*
R13
*
R14
*
R15
* R16
$R17
$R18
*
R179
*
R180
*
R181
*
R182
*
R183
Q6
DTC144EE
R220
RADSQ
RADTXS
D12
Q5
DTC144EE
NNCD6.8G-A
EXTENDED I/O
TC74HC4094AFF
*
D62
*
L24
CP60
D45
1
RXD0
TXD0
DA204U
*
R139
D44,45
SWITCHING SURGE
ABSORPTION
*
Q4
* *
C166 R135
D32 D33 D34 D35 D48
NNCD6.8G-A NNCD6.8G-A NNCD6.8G-A NNCD6.8G-A DA204U
NO NO NO NO NO
R159 R160 R161 R162 R163 R164 R165 R166 R167 R168
0 0 0 0 0 0 0 0 0 0
NO NO NO NO NO NO NO NO NO NO
C22 C26 C27 C30 C32 C34 C37 C38 C39 C40
100p 100p 100p 100p 100p 100p 100p 0.01u 100p 100p
NO NO NO NO NO NO NO NO NO NO
D
*
CP74
1
*
D35
SURGE
ABSORPTION
* D34
SURGE
ABSORPTION
*
CP73
*
D33
1
SURGE
ABSORPTION
* CP72
1
*
CP70
1
SURGE
ABSORPTION
* D32
*
R199
* D48
SURGE
ABSORPTION
*
CP71
1
SURGE
ABSORPTION
*
D31
D36-39
SWITCHING
SURGE ABSORPTION
D39 D38 D37
DA204U DA204U DA204U
2.2k
C181 C180 C179
100p 100p 100p
SWITCHING
IC9
ID
5.00V
DISP OFF
D44
Q8
DTC144EE
DA204U
Q7,8
SWITCHING
Q7
DTC144EE
D60 D61 D62 J1 J3
UMZ8.2T UMZ8.2T NNCD6.8G-A E58-0489-15 E59-0413-05 DTC114YE
NO NO NO NO NO
R169 R170 R171 R172 R173 R174 R175 R176 R177 R179
0 0 0 0 0 0 0 0 0 0
NO NO NO NO NO NO NO NO NO NO
C44 C45 C49 C65 C166
100p 100p 0.1u 0.1u 0.1u10
NO NO NO NO NO
E
SEN0
SEN1
SEN2
SEN3
SEN_ACC2/1
SEN4
SEN5
SEN6
SEN7
SEN8
SEN9
SEN11
SEN10
SEN_ACC2/2
SEN14
SEN13
SEN15
SEN12
SEN_ACC3
SRSEL
SRCLK2
SRCLK1
SRDAT1
SRDAT2
D36
DA204U
C178
100p
CLK
DAT
RADST
RADOE
R203
2.2k
R202
2.2k
Q1 Q2 Q4
DTC114YE 2SB1424(Q,R)
NO NO NO
R180 R181 R182 R183 R199
0 0 0 0 1k
NO NO NO NO NO