Cobra MR HH475 FLT BT/EU, Service Manual

Page: 66 / 67

ANT
C1
18P
C5
10P
C12
33P
L1
4T- L2
4T-
C62
12P
C16
47P
C20
1n
L7
56nH
C63
12P
C23
1n
C27
1n
C69
22P
R4
220
C32
10n
F3
21.4MHz
F4
21.4MHz
C110
2P
Q2
2SC4901
R74
47K
R76
2K2
D2
1SS356
C4
10P
L6
3T-/1.6
C15
47P
C70
68P L8
3T-
L3
4T-
C72
22P
C75
2.2uF
L5
56nH
R21
47
C77
33P
L15
47nH
R129
47K
C79
10n
C104
1.5P
C68
22P
L16
47nH
Q3
2SC3356
R147
4.7 C45
1n
R48
15K
R47
4K7
C28
1n
R32
8.2K
C152
15P
C6
10P
L17
2.2uH
C201
1n
C148
4n7
R55
100
C65
560p
R3
220
R60
100
R52
1K
R5
220
C83
10n
R106
33K
C43
1n
R102
0.39
R105
10K
C151
470p
C36
1n
C116
220n
R24
47
L4
2.2uH
C7
10P
C158
5P
L
1
8
2
.2
u
H
R6
220
C157
3P
R38
100K
R164
22K
Q5
2SC4901
R35
100K
C73
8P
C8
10P
C74
8P
C160
1P
C161
1.2P
C159
5P
C49
1n
L
2
0
2
.2
u
H
C48
1n
R72
56
C
4
6
1
n
C9
3P
D9
DAN235E
R12
4K7
R8
4K7
C44
100n
C31
1n
C19
1n
R1
220
C80
10n
C82
10n
R22
47
C85
10n
C86
10n
C47
1n
R45
150
C50
1n
Q4
2SC4901
C109
100uF
R65
330
R107
2K2
C24
1n
C21
1n
D
S G
Q13
2SK302
D
S G
Q14
2SK210
D11
HVU307
L12
100nH
R37
100K
R2
220
C29
1n
RX
TX
C35
1n
R50
1K
G1
G2
D
S
Q8
3SK318
R57
56K
R56
56K
C34
1n
D1
1SS356
R132
47K
R53
1K
R88
1K5
R90
300K
R77
3K3
C137
33n
C138
33n
C114
100n
C141
220P
C146
820P
C112
100n
C142
220P
C71
56P
R91
200K
R
S
S
I
S
Q
L
1 2 3 4 5 6 7 8
9 1
0
1
1
1
2
1
3
1
4
1
5
1
6
U1 BA4116
C136
220n
RT1
100T
R165
22
R89
3K3 TP1
PD
C169
22u
C51
1n
C
1
7
4
2
2
P
(U
J
)
C175
8P
C14
27P
C
1
4
7
5
6
P
(U
J
)
C102
470p
C100
470p
C101
470p
R114
10K
VCC 5V
C118
100n
C168
2.2uF
*
*
R61
100
R79
2K2
C106
100P
B+ 7.4V
R36
100K
R140
36K
TX 5V
C33
1n
RX_SW
TX_VCO
R59
100
Q6
RD07
Q12
2SK3078
C13
100P
L11
100nH
R51
1K
R46
330
SQL RSSI
RX 5V
C52
1n
Q24
MPS8550
Q25
MPS8550
R13
4K7 R14
4K7
R124
2K2
R125
2K2
C139
33n
C166
47n
C113
100n
L9
100nH
L13
100nH
C17
47P
C81
10n
TX 5V
TX 5V
YB-
G1
G2
D S
2SK318
L14
100nH
C10
10P
R145
120K
1
2
3
VR1
10K
C111
22u
C98
10n
C67
18P
C84
10n
C26
1n
Q1
2SC4901
C22
1n
R7
4K7
TX 5V
R9
4K7
PD
TX RX CH16
1.3V+/-0.2 1.3V+/-0.2
X1
CDB450C24
F5
450K
C25
1n
R27
3.3
VC1
10PF
X2
20.95MHz(G)
R302(B,W,Y)*
R304(G,BG)*
R301
R302
X2
C175
C64
47P
C66
27P
QC
R33
100K
R
3
4
1
0
0
K
C105
100P
C30
1n
C181
1u
1 2
F1
HDF160F
1 2
F2
HDF160F
R134
10K
C54
1n
RT2
10KT
D13
HSC278
Q23
2SC4097
C205
47n
R17
10K
D3
KPA-3010
D4
KPA-3010
R23
68
VCC 5V
R62
1K D7
Y2C-CPQB
D8
Y2C-CPQB
R63
1K
D6
Y2C-CPQB
D5
Y2C-CPQB
C37
1n
C40
1n
C41
1n
C39
1n
R149
100K 1%
R148
200K 1%
X3
7.3728M
C176
10P
C177
10P
B+ 7.4V
LO_BATT
C180
100U/16v
R193
10
C135
100n
1
2
3
4
8
7
6
5
U11
NJM2070
C186
10u
Q21
BT3904
Q22
BT3904
Q16
MPS8550
R54
1K
R71
100
R28
1
R85
4K7
R20
3K9
C170
22u
C189
470n
R135
47K
B+ 7.4V
C91
10n
C190
2n2
R192
10K
C179
100U
5V
C185
10u
C178
100U
C96
10n
C58
1n
C59
1n
B+ 7.4V
C60
1n
+B
DC7.4V
C133
100n
Vout
5
N
C
4
Vin
1
V
S
S
2
N
C
3
U8
XC6204B502
C132
100n
C121
100n
B+ 7.4V
R143
100
RX 5V
VCC 5V
Q18
S8550
Q17
BT3904
R116
10K
R15
4K7
C150
1n
C164
100n
C154
10n
R78
56K
D16
BAW56
C61
100n
C131
100n C130
100n
C134
100n
C55
1n
C
A
L
L
/B
E
E
P
A
F
_
S
W
SAVE
RX_SW
R43
100K
C163
10n
C173
220P
CALL/BEEP
1050Hz/ATIS
R84
15K
C90
2.2n
C195
1u
R119
120K
VCC 5V
Q10
BT3904
R11
4K7 R10
4K7
TX 5V
TX_SW
C165
47n
R131
47K R160
36K
R142
36K C87
10n
C156
180P
C162
3n3
C184
1n
C167
47n
C192
100n
C11
10P
R30
47K
R173
120K
R139
820K
R161
36K
C145
220P
R166
33K
R155
22K
C99
470p
R80
20K
C171
1u
VCC 5V
R141
56K
C57
1n
M
O
D
_
A
T
T
R92
100K
C187
4n7
R191
47K
C140
100n
C188
100n
AF
C125
100n
R126
33K
R75
100
R112
100K
WX RX 1050HZ
R120
10K
10
9
8
U4C
LM324
5
6
7
U4B
LM324
12
13
14
U4D
LM324
12
13
14
U5D
LM324
F
in
1
1
V
cc
2
C
P
1
3
G
N
D
4
L
D
5
C
K
6
D
A
T
A
7
E
N
8
B
O
9
O
S
C
O
1
0
O
S
C
I
1
1
S
W
1
2
G
N
D
1
3
C
P
2
1
4
V
cc
1
5
F
in
2
1
6
U6
GP214D
RESET
R144
39K
SW11
TRI
SW12
BT
SW3
CH16/9 SW6
CALL/SQL SW8
MEM/ESC SW9
REW
SW10
H/M/L:WX SW5
UP
SW1
Down
SW7
SCAN
R187
12K
R86
2K2
R183
220
R188
12K R163
22K
R162
22K R189
68K
R87
2K2 R185
5K6 R190
68K
KEY1
KEY2
R123
10K
R122
10K
R184
5K6
R182
10K
1
2
3
4
5
6
7
8
9
10
11
J3
LCD MODULE
R82
330K
R93
100K
R39
20K
SP2
1W/D40MM
C103
470p
C149
10n
R168
820
C172
1u
R113
22K
R81
4K7
C53
10n
E
X
T
_
P
T
T
Q15
BT3906
R133
47K
C
L
O
N
E
A
F
Q20
2SC4097
C108
10n
R121
3K3
3
2
1
4
1
1
U4A
LM324
R70
56
C127
100n
C204
47n
R178
10K
R181
1M
R177
470K
C92
1u
R16
10K
C93
470p
C128
100n
MOD
R180
100K
QC
+
-
M2
MIC
AF
C153
1n
R64
820
1 2
3
VR2
50K
C117
100n
C119
100n
R19
4K7
10
9
8
U5C
LM324
5
6
7
U5B
LM324
3
2
1
4
1
1
U5A
LM324
C193
470p
R176
10K
C182
3n3
R42
10K
C89
1n8
R66
2K2
C124
1u
R117
10K
C56
1u
R118
39K
R49
10K
R146
18K
R83
47K
R111
470K
R115
10K
C224
47P
R167
33K
C122
1u
R73
0
C123
100n
RX 5V
3
2
1
+
8
-
4
U2A
LM2904
5
6
7
U2B
LM2904
R103
0.39
R104
0.39
R96
100K+/-1%
R108
10K
R130
47K
R98
200K+/-1%
R99
200K+/-1%
R100
100K+/-1%
R136
1M
R137
10K
R128
47K
Q11
BT3904
C76
2.2uF
C38
1n
P
C
S
P
L
D
P
C
K
P
D
A
Q26
BT3906
Q9
BT3906
R195
4K7 R194
4K7 R197
2K2 R196
2K2
R198
330
1.8V
2.7V
3.4V 4.45V
0.10V 0.9V 1.8V 2.7V 3.4V 4.45V
R29
33K
VCC 5V
R31
3K3
L25
100nH
R25
4K7
L26
4.7nH
L10
100nH
Q7
2SC4901
L24
100nH
C78
NC
C97
470p
R44
100
C191
1u
R199
33K
R200
47K
RX 5V
VCC 5V
1
3
6
5
4
2
J2
SP MIC2.5-JACK
SW2
PTT
SW4
LAMP
P
T
T
C194
1n
M
IC
_
M
U
T
E
WX
_
A
L
E
R
T
/B
U
R
P
C155
10n
Q27
BT3904
R201
4K7
B,W,Y G,BG
0
0
7 P 8 P
NC
NC
*
Item
HH330(TM832F)
U12
24C16
NC XC6204B332 AT4SDBD41B
C196
1u
R95
3.3
VCC 5V
C197
1n
L27
100nH
C198
2P
L28
22nH
R174
1K
D18
5.1V
Pb
HH475(TM833FB)
NC NC
C199
3P
C200
10P
C42
100n
C202
1n
C203
1n
C199 2 P NC
C174 22 P ( UJ ) 22 P
MIC_REC_IN
Q19
BT3904
AUDIO_MOD_EN
REW/ATIS_OUT
R
E
W/
A
T
IS
_
P
WM
O
U
T
ATIS RX
AF
CALL_IN
4 5
1 3
2
VR3
10K
AF_REC_IN
A
F
_
M
U
T
E
R41
47
R18
10K
R
E
W/
A
T
IS
_
O
U
T
BT_SPK-EN
SPL-
1
SPAL+
2
SPR-
3
SPR+
4
GND
5
MICL-
6
MICL+
7
MICR+
8
MICR-
9
1V8
10
PCM_IN
11
PCM_SYN
12
PCM_CLK
13
PCM_OUT
14
AIO0
15
AIO1
16
AIO3
17
G
N
D
1
8
3
V
3
1
9
U
S
B
_
D
+
2
0
U
S
B
_
D
-
2
1
R
T
S
2
2
C
T
S
2
3
T
X
2
4
R
X
2
5
R
E
S
E
T
2
6
G
N
D
2
7
PIO4
28
PIO5
29
PIO6
30
PIO7
31
MOSI
32
CSB
33
CLK
34
MIOO
35
PIO10
36
PIO11
37
PIO3
38
PIO2
39
PIO1
40
PIO0
41
PIO8
42
PIO9
43
GND
44
G
N
D
4
5
A
N
T
4
6
G
N
D
4
7
4
8
U13
BT_MODULE
CPU_3V3
C88
22u
C120
100n
Vout
5
N
C
4
Vin
1
V
S
S
2
N
C
3
U12
XC6204B332MR
B+ 7.4V
BT_SI
BT_CS
BT_CLK
BT_SO
BT_TXD
BT_RXD
R138
47
R156
1K
R154
2K2
R40
10K
R153
1K
+
-
M1
MIC
C95
10U
Vcc_3V3
C94
100n
Vout
5
N
C
4
Vin
1
V
S
S
2
N
C
3
U10
XC6204B332MR
MOD_ATT
AUDIO_MOD_EN
BT_SPK-EN
F_SCK
F_SO
F_SI
F_CS
C144
100n
R203
10K
Vcc_3V3
C126
100n
R172
10K
R202
47K
R69
200K
R150
2K2
TEMP_MON
AF_REC_IN
MIC_REC_IN
R67
220
R68
33K
C115
1n
P
G
C
P
G
D
CPU_3V3
S
Q
L
R
S
S
I
K
E
Y
1
K
E
Y
2
C129
100n
C209
100n
BLUE TOOTH
R
X
_
V
C
O
T
X
_
V
C
O
T
X
_
S
W
R
X
_
S
W
B
T
_
T
X
D
B
T
_
R
X
D
CLONE1
CK
DA
CS
C18
1n
R151
SDV
R152
22K
Vcc_3V3
BT_PWR
EXT_PTT
CALL_IN
A
P
C
C
A
L
L
/B
E
E
P
WX
_
A
L
E
R
T
/B
U
R
P
S
A
V
E
CPU_3V3
CPU_3V3
A
F
_
S
W
A
F
_
M
U
T
E
M
IC
_
M
U
T
E
P
L
D
P
C
K
P
D
A
P
C
S
FOR PLL
Q28
BT3904
F_SCK2
F_CS
R127
10K
A0
1
A2
3
GND
4 5
6
7
VCC
8
A1
2
U9
AT4SDBD41B
F_SCK
F_CS
F_SI
F_SO
DA
CK
CS
T
O
L
C
D
M
O
D
U
L
E
1
2
3
4
5
6
7
8
9
10
J1
PROGRAM
Vcc_3V3
PGC
PGD
RESET
BT_SI
BT_CS
BT_CLK
BT_SO
C208
100n
Vcc_3V3
MCU PROGRAM
BT PROGRAM
PMD5
1
PMD6/RE6
2
PMD7/RE7
3
PMA5/SCK2/CN8/RG6
4
PMA4/SDI2/CN9/RG7
5
PAM3/SDO2/CN10/RG8
6
MCLR
7
PMA2/SS2/CN11/RG9
8
VSS
9
VDD
10
C1IN+/AN5/CN7/RB5
11
C1IN-/AN4/CN6/RB4
12
C2IN+/AN3/CN5/RB3
13
C2IN-/AN2/SS1/CN4/RB2
14
PGC1
15
PGD1
16
P
G
C
2
1
7
P
G
D
2
1
8
A
V
D
D
1
9
A
V
S
S
2
0
U
2
C
T
S
/C
1
O
U
T
/A
N
8
/R
B
8
2
1
P
M
A
7
/C
2
O
U
T
/A
N
9
/R
B
9
2
2
T
M
S
/P
M
A
1
3
/C
V
R
E
F
/A
N
1
0
/R
B
1
0
2
3
T
D
O
/P
M
A
1
2
/A
N
1
1
/R
B
1
1
2
4
V
S
S
2
5
V
D
D
2
6
T
C
K
/P
M
A
1
1
/A
N
1
2
/R
B
1
2
2
7
T
D
I/
P
M
A
1
0
/A
N
1
3
/R
B
1
3
2
8
P
M
A
1
2
9
P
M
A
0
3
0
U
2
R
X
3
1
U
2
T
X
3
2
U1TX
33
U1RX
34
U1RTS/BCLK1/SCK1
35
SDA1/RG3
36
SCL1/RG2
37
VDD
38
OSC1/CLK1
39
OSC2/CLK0
40
VSS
41
IC1/RTCC
42
IC2
43
IC3
44
IC4
45
OC1/RD0
46
SOSC/CN1
47
SOSCO
48
O
C
2
4
9
O
C
3
5
0
P
M
B
E
/O
C
4
5
1
P
M
W
R
/O
C
5
5
2
P
M
R
D
5
3
C
N
1
5
/R
D
6
5
4
C
N
1
6
/R
D
7
5
5
V
C
A
P
5
6
E
N
V
R
E
G
5
7
R
F
0
5
8
R
F
1
5
9
P
M
D
0
/R
E
0
6
0
P
M
D
1
/R
E
1
6
1
P
M
D
2
6
2
P
M
D
3
6
3
P
M
D
4
6
4
U7
PIC24FJ64GA006
003LC55605-05560
003LC2206E-10009
R101
2K2
U13
BT_MODULE
NC
BT3V3
Vcc_3V3
U14 U9
BT_PWR
C212
100n
R158
47K
R157
47K
R110
47K
R109
47K
C207
100n
Vcc_3V3 Vcc_3V3
C211
2P
B
T
_
A
U
D
IO
BT_AUDIO
CLONE
C210
100n
B
T
_
A
N
T
R94
10K
C143
220p
C107
100p
LAMP 0.9V
5V
R159
10K
C213
NC
L29
100nH
L30
100nH
C214
18p
C215
1n
CPU_3V3
C206
470p
C216
22u
C217
100n
C218
10n
Vcc_3V3
C228
100n
C220
470n
C219
100n
R170
33K
R171
47K
CPU_3V3
L23
39nH
L22
56nH
C225
1U
C226
4n7
BT3V3
D17
LH06034P1
R179
150
D19
LH06034P1
C227
1n
B+ 7.4V
R175
10K
Q29
BT3904
R26
4K7
B
T
_
L
E
D
C221
100n
R186
47K
R204
33K
VCC 5V
R205
200K
C230
220p
C229
100n
C231
47p
R206
22K
C232
2.2n
O
1
G
2
I
3
U3
XC61CN2702M
R207
10K
Q30
BT3904
VCC 5V
C234
1n
C233
1n
K
E
Y
_
L
E
D
L
C
D
_
L
E
D
R208
150
R209
4K7
R210
100K
R211
0 R212
0
R213
10K
BT3V3
C235
2.2n
Ut82=0.45V
Ut100=0.3V
R58
100
Vcc_3V3
CPU_3V3
C236
1n
C237
100n
C2
30P
D10
HVU307
C3
30P
D12
HVU307
L21
2.2uH
L19
2.2uH
D15
HVU307
L34
2.2uH
D14
HVU307
L33
2.2uH
C222
5P
C223
4.7P
L31
2.2uH
C238
2.2n
C239
470p
D20
1SS356
R214
100
C183
1n
RX ATT
RX ATT
C240
10n
R215
10K
R216
4K7
C241
10P
C243
100n
C242
1n
C244
100p
C245
100p
C246
100n
C247
100n
C248
470p
C249
470p
R218
2K2
R217
330
F_SCK2
A0
1
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
A1
2
U14
24C16
R219
330
R
2
2
0
3
3
0
C250
1u
C251
100n
1
2
3
VR4
50K
SCHEMATIC DIAGRAM (for Main Radio)
66