Hytera MD78X, Service Manual, Page: 84 / 519

UHF1 (400
–
470 MHz)
Parts List
77
No.
Ref
No. Print
No. Part No. Description No.
Ref
No. Print
No. Part No. Description
54 C68 B1L 3101054710010 470pF 125 R44 B5A 3001061020010 1kΩ
55 C69 B1C 3101054710010 470pF 126 R45 B5D 3001061020010 1kΩ
56 C7 T2G 3101061040010 0.1uF 127 R46 B1L 3001062710000 270Ω
57 C70 B1A 3101054710010 470pF 128 R47 B2I 3001061020010 1kΩ
58 C71 B5F 3101054710010 470pF 129 R5 B2B 3001062710000 270Ω
59 C8 B3G 3101051010030 100pF 130 R6 B3H 3001061030010 10kΩ
60 C9 B3G 3101061040010 0.1uF 131 R7 B3J 3001062710000 270Ω
61 D1 T5F 3307110100080 LED 132 R8 B3J 3001062710000 270Ω
62
D10 B3I 3310990000090 ESD protection
diode
133 R9 B2G 3001063300000 33Ω
63
D11 T1B 3307110300000 LED 134 S1 T1M 4301080000090 Momentary
contact switch
64
D12 T1A 3307110300000 LED 135 S7 T3A 4301080000090 Momentary
contact switch
65
D13 B2K 3310240000000 ESD protection
diode
136 U1 B2H 3607010000400 Logic IC
66
D14 B4B 3310990000090 ESD protection
diode
137 U2 B3H 3805010860000 EMI filter
67
D17 B5A 3310990000090 ESD protection
diode
138 U3 B3F 3805010860000 EMI filter
68
D18 B5C 3310990000090 ESD protection
diode
139 U4 B3F 3805010860000 EMI filter
69
D19 B4B 3310240000000 ESD protection
diode
140 U5 B4H 3608015000210 Power
management IC
70 D2 T1J 3307110100080 LED 141 U8 B4C 3699037000010 USB protection IC
71
D20 B5C 3310990000090 ESD protection
diode
/
/
/
/ /
12.2
GPS Circuit
No.
Ref
No. Print
No. Part No. Description
No.
Ref
No. Print
No. Part No. Description
1 C330 T3A 3101051040010 0.1uF 13 R364 T3A 3001050000000 0Ω
2 C331 T2A 3101081060010 10uF 14 R365 T3C 3001051030000 10kΩ
3 C332 T2A 3101051040010 0.1uF 15 R366 T3C 3001051030000 10kΩ
4 C333 T3A 3101081060010 10uF 16 R368 T3C 3001051010000 100Ω
5 C369 T3C 3101054710010 470pF 17 R370 T3C 3001051010000 100Ω
6 D916 T2A 3303010500090 Switching diode 18 R373 T3C 3001053300010 33Ω
7 D919 T2A 3303010500090 Switching diode 19 R398 T3A 3001054720000 4.7kΩ
8 D921 T2A 3302030500030 Zener diode 20 R405 T2A 3001061030000 10kΩ
9 L321 T3A 3212106390000 39nH 21 R417 T2A 3001062030000 20kΩ
10 L322 T3A 3221506300000 Ferrite bead 22 U326 T3B 3625999000060 GPS module
11 R352 T2C 3001053300010 33Ω 23 W321 T3A 4411100002000 IPX RF connector
12 R363 T3A 3001050000000 0Ω / / / / /
12.3
Main Board (25 W)
No.
Ref
No. Print
No. Part No. Description No.
Ref
No. Print
No. Part No. Description
1 B
/ 6203077000000 VCO shielding
mask
768 L404 B7A 3221506300000 Ferrite bead
2 C
/ 6202010000010 APC shielding
mask
769 L405 B7A 3221506300000 Ferrite bead
3 C1 T7E 3101051020010 1000pF 770 L406 B7A 3221506300000 Ferrite bead
4 C10 B7G 3101060700020 7pF 771 L407 B7B 3221506300000 Ferrite bead
5 C100 T7G 3101052210010 220pF 772 L408 B7B 3221506300000 Ferrite bead
6 C1000 T8F 3101052210010 220pF 773 L409 B7B 3221506300000 Ferrite bead
7 C1001 B7F 3101054710010 470pF 774 L410 B7B 3221506300000 Ferrite bead
8 C1002 T8F 3101051020010 1000pF 775 L411 B7B 3221506300000 Ferrite bead
9 C1003 B7F 3101054710010 470pF 776 L412 B7B 3221506300000 Ferrite bead
10 C1004 T8F 3101063300000 33pF 777 L414 B8C 3001050000000 0Ω
11 C1005 T6F 3110071040000 0.1uF 778 L415 B8C 3001050000000 0Ω
12 C1006 B8F 3101051040010 0.1uF 779 L417 T2C 3001050000000 0Ω