![background image](http://html.mh-extra.com/html/cobra/mr-hh425-li-vp/mr-hh425-li-vp_serivce-manual_2631031061.webp)
PIN
E
B
C
E
B
C
Tx(V-UHF)
0
0
1.19
0
0
3.89
PIN
B
E
C
Tx(V-NOAA)
2.30
2.40
0
PIN
E
B
C
Mic Mute (V)
0
4.95
0
PIN
E
B
C
Tx(V)
5.00
5.00
0
PIN
E
B
C
E
B
C
E
B
C
Speaker On(V)
7.20
6.51
7.18
4.24
4.82
6.42
4.24
4.85
7.18
PIN
E
B
C
Tx(V-VHF)
0
0.07
1.46
Tx(V-UHF)
0
0.06
0.82
PIN
E
B
C
TX/RX(V)
4.50
5.00
6.65
PIN
E
B
C
Rx(V)
0
0
7.20
PIN
E
B
C
Tx(V-VHF)
0
3.97
0.06
Tx(V-UHF)
0
3.77
0.06
PIN
E
B
C
TX/RX(V)
7.20
6.65
5.00
Q27 PDTC143ZE
Q28 PDTC143ZE
Q25 PDTC143ZE
VOLTAGE CHART-CONTINUED
Q26 PDTC143ZE
Q29 2SA1577
Q34 2SC4097R
Q35 2SC4097R
Q36 PDTC143ZE
Q37 PDTC143ZE
Q31 2SA1577
Q38 2SA1363
Q32 PDTC143ZE
Q33 2SC4097R
61
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 ...