![background image](http://html.mh-extra.com/html/cobra/mr-hh475-flt-bt/mr-hh475-flt-bt_serivce-manual_2631033056.webp)
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5
6
7
8
9
10
11
12
13
14
15
16
48
47
22
44
24
25
26
27
28
29
30
31
32
PIC24FJXXGA006
1
46
45
23
43
42
41
40
39
CN1
5/
RD6
PM
RD
/CN1
4
/RD5
PM
WR/
O
C5
/I
C5
/CN1
3/
R
D4
PM
BE/
O
C
4/
RD3
OC3
/RD2
OC2
/RD1
PM
D4
/R
E4
PM
D3
/R
E3
PM
D2
/R
E2
PM
D1
/R
E1
RF
0
V
CA
P
/V
D
DCO
RE
SOSCI/CN1/RC13
OC1/RD0
IC3/PMCS2/INT3/RD10
IC2/U1CTS/INT2/RD9
IC1/RTCC/INT1/RD8
IC4/PMCS1/INT4/RD11
OSC2/CLKO/RC15
OSC1/CLKI/RC12
V
DD
SCL1/RG2
U1RTS/BCLK1/SCK1/INT0/RF6
U1RX/SDI1/RF2
U1TX/SDO1/RF3
SDA1/RG3
SOSCO/T1CK/CN0/RC14
AV
DD
U2
CT
S
/C1
O
UT
/A
N
8/RB
8
P
M
A
7
/C2
O
UT
/A
N
9/RB
9
T
M
S/
PM
A
13
/C
V
RE
F
/AN1
0
/RB1
0
T
D
O/P
M
A
12/A
N
11
/RB
11
V
DD
PGC2
/EM
UC2
/AN6
/O
CF
A/RB6
PGD2
/E
M
UD2
/A
N
7/RB7
P
M
A8
/U
2
T
X/
SCL
2/
CN1
8/
RF5
PM
A9
/U
2R
X/
SDA2
/CN1
7/
RF4
PMD5/RE5
PMD6/RE6
PMD7/RE7
PMA5/SCK2/CN8/RG6
V
DD
C1IN+/AN5/CN7/RB5
C1IN-/AN4/CN6/RB4
C2IN+/AN3/CN5/RB3
C2IN-/AN2/SS1/CN4/RB2
PMA4/SDI2/CN9/RG7
PMA3/SDO2/CN10/RG8
PGC1/EMUC1/V
REF
-/AN1/CN3/RB1
PGD1/EMUD1/PMA6/V
REF
+/AN0/CN2/RB0
PMA2/SS2/CN11/RG9
MCLR
TCK/
PM
A1
1
/AN1
2
/R
B1
2
T
D
I/
PM
A1
0
/AN1
3
/R
B1
3
PM
A1
/U
2
R
T
S
/BCL
K2
/AN1
4
/RB1
4
PM
A0
/AN1
5/
OCF
B
/CN1
2
/RB1
5
PM
D0
/R
E0
RF
1
CN1
6/
RD7
V
SS
V
SS
Vss
ENVREG
63
62
61
59
60
58
57
56
54
55
53
52
51
49
50
38
37
34
36
35
33
17
19
20
21
18
AV
SS
64
PIC24FJXXXGA006
U7-PIC24FJ64GA006
56
Summary of Contents for MR HH475 FLT BT
Page 11: ...WIRING DIAGRAM 11 ...
Page 12: ...PRINTED CIRCUIT BOARD Main PCB Top View VR2 VC1 12 ...
Page 13: ...PRINTED CIRCUIT BOARD Main PCB Bottom View L18 L20 13 ...
Page 14: ...PRINTED CIRCUIT BOARD Cradle Charger PCB View Top View Bottom View 14 ...
Page 16: ...EXPLODED VIEW for HH475 Main Part 16 ...
Page 17: ...EXPLODED VIEW for Battery and Antenna 17 ...
Page 54: ...U4 U5 324 NJM V 54 ...
Page 60: ...U401 HT1621 DICE 60 ...