![background image](http://html.mh-extra.com/html/cobra/mr-hh425-li-vp/mr-hh425-li-vp_serivce-manual_2631031057.webp)
U8 NJM324V
PIN
1
2
3
4
5
6
7
8
9
10
11
12
Rx(V-HHF)
1.76
1.76
1.74
4.89
1.74
1.76
1.76
1.76
1.76
1.75
0
1.75
PIN
13
14
Rx(V-HHF)
1.76
1.76
U9 NJM324V
PIN
1
2
3
4
5
6
7
12
13
14
Tx(V)
2.13
2.14
2.13
4.92
2.45
2.48
2.48
2.13
2.13
2.13
PIN
8
9
10
11
Rx(V)
2.45
2.45
2.41
0
U10 NJM2904V
PIN
1
2
3
4
5
6
7
8
Rx(V-WX)
1.72
1.72
1.72
0
1.72
1.72
1.76
4.82
U11 AT24C16BN
PIN
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
Vcc
TX/Rx(V)
0
0
0
0
4.98
0
0
4.99
U12 XC6204B502MR
PIN
1
2
3
4
5
Vin
Vss
NC
NC
Vou
TX/Rx(V)
7.20
0
7.20
0
5.00
U13 74HC4053PW
PIN
1
2
3
4
5
6
7
8
2Y1
2Y0
SY1
3Z
SY0
E
Vee
GND
Rx(V)
0
1.88
0
0
0
0
0
0
Tx(V)
0.12
1.95
0
0
0
0
0
0
PIN
9
10
11
12
13
14
15
16
S3
S2
S1
1Y0
1Y1
1Z
2Z
Vcc
Rx(V)
0
5.00
0
0
1.88
0
0
5.00
Tx(V)
0.12
5.00
0.12
0.12
1.95
0
0
5.00
VOLTAGE CHART-CONTINUED
57
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 ...