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U1 BA4116FV
PIN
1
2
3
4
5
6
7
8
9
10
11
12
Rx(V)
4.72
4.15
3.38
4.75
7.32
4.33
1.52
0.62
0.74
4.74
3.90
2.62
PIN
13
14
15
16
/
SQL
GND
/
Rx(V)
0
0
0
0.94
U2 SIT8825B01
PIN
1
2
3
4
5
6
7
8
9
10
11
12
Fin 1
Vcc
CP 1
GND
LD
CK
Data
EN
BO
OSCO OSC1
SW
Rx(V)
4.85
4.89
3.01
0
4.94
0
5.00
0
3.70
4.08
4.78
0
PIN
13
14
15
16
GND
GP 2
Vcc
Fin 2
Rx(V)
0
0
4.89
4.89
U3 NJM2904V
PIN
1
2
3
4
5
6
7
8
Tx(U-UHF Lo)
0.30
5.90
4.86
3.33
0.31
0.31
0.95
7.20
Tx(U-UHF Mid)
0.44
4.89
4.84
0.08
0.45
0.45
1.63
7.20
Tx(U-UHF Hi)
0.56
4.87
4.82
0.10
0.57
0.57
2.45
7.20
Tx(V-VHF Lo)
0.28
5.64
4.87
0.06
0.29
0.29
1.76
7.20
Tx(V-VHF Mid)
0.43
4.91
4.85
0.08
0.45
0.45
2.59
7.20
Tx(V-VHF Hi)
0.54
4.89
4.82
0.10
0.57
0.57
3.35
7.20
U4 HT9032D-8SOP
PIN
1
2
3
4
5
6
7
8
Dout
VOD
TIP
RNG PDWN
Vss
X2
X1
Rx(V)
4.47
4.51
0
0
0
0
1.98
1.90
U6 XC61FC4012MR
PIN
1
2
3
Out
GND
In
Tx/Rx(V)
4.99
0
4.99
U7 NJM324V
PIN
1
2
3
4
5
6
7
8
9
10
11
Rx(V)
1.87
1.74
1.21
4.92
2.01
2.08
2.15
2.03
2.07
2.07
0
PIN
12
13
14
Tx/Rx(V)
0
0
3.75
VOLTAGE CHART
56
Summary of Contents for MR HH425 LI VP
Page 7: ...BLOCK DIAGRAM BACKLIGHT BACKLIGHT 7 ...
Page 11: ...Main PCB Top View Bottom View VR3 VR2 VC1 L44 L46 SQL L45 11 ...
Page 12: ...WIRING DIAGRAM CHARGER CHARGER 12 ...
Page 13: ...Main PCB Top View PRINTED CIRCUIT BOARD SQL 13 ...
Page 14: ...Main PCB Bottom View PRINTED CIRCUIT BOARD 14 ...
Page 15: ...Charger PCB PRINTED CIRCUIT BOARD Top View Bottom View LCD PCB Bottom View Top View 15 ...
Page 18: ...MAIN UNIT EXPLODED VIEW 18 ...
Page 19: ...CHARGER UNIT EXPLODED VIEW 19 ...
Page 20: ...BATTERY TRAY UNIT EXPLODED VIEW 20 ...
Page 48: ...U4 9032 HT D 48 ...
Page 49: ...U5 M38C29FFAHP60K 49 ...
Page 50: ...2 1 3 1 VOUT 2 VSS 3 VIN Delay Circuitry Vref VSS VOUT VIN U6 XC61FC4012MR U7 U8 U9 NJM324 50 ...
Page 51: ...1 2 3 4 8 7 6 5 A0 A1 A2 GND VCC WP SCL SDA U AT C N 11 24 16 U12 XC6204B502MR 51 ...