Gps Circuit; Main Board (25 W) - Hytera MD78X Service Manual

UHF1 (400–470 MHz)
Ref Print
No. No. No.
54 C68 B1L 3101054710010 470pF
55 C69 B1C 3101054710010 470pF
56 C7 T2G 3101061040010 0.1uF
57 C70 B1A 3101054710010 470pF
58 C71 B5F 3101054710010 470pF
59 C8 B3G 3101051010030 100pF
60 C9 B3G 3101061040010 0.1uF
61 D1 T5F 3307110100080 LED
62
D10 B3I 3310990000090
63
D11 T1B 3307110300000 LED
64
D12 T1A 3307110300000 LED
65
D13 B2K 3310240000000
66
D14 B4B 3310990000090
67
D17 B5A 3310990000090
68
D18 B5C 3310990000090
69
D19 B4B 3310240000000
70 D2 T1J 3307110100080 LED
71
D20 B5C 3310990000090
12.2

GPS Circuit

Ref Print
No. No. No.
1 C330 T3A 3101051040010 0.1uF
2 C331 T2A 3101081060010 10uF
3 C332 T2A 3101051040010 0.1uF
4 C333 T3A 3101081060010 10uF
5 C369 T3C 3101054710010 470pF
6 D916 T2A 3303010500090 Switching diode
7 D919 T2A 3303010500090 Switching diode
8 D921 T2A 3302030500030 Zener diode
9 L321 T3A 3212106390000 39nH
10 L322 T3A 3221506300000 Ferrite bead
11 R352 T2C 3001053300010 33Ω
12 R363 T3A 3001050000000 0Ω
12.3

Main Board (25 W)

Ref Print
No. No. No.
1
B / 6203077000000
2
C / 6202010000010
3 C1 T7E 3101051020010 1000pF
4 C10 B7G 3101060700020 7pF
5 C100 T7G 3101052210010 220pF
6 C1000 T8F 3101052210010 220pF
7 C1001 B7F 3101054710010 470pF
8 C1002 T8F 3101051020010 1000pF
9 C1003 B7F 3101054710010 470pF
10 C1004 T8F 3101063300000 33pF
11 C1005 T6F 3110071040000 0.1uF
12 C1006 B8F 3101051040010 0.1uF
Part No. Description
ESD protection
diode
ESD protection
diode
ESD protection
diode
ESD protection
diode
ESD protection
diode
ESD protection
diode
ESD protection
diode
Part No. Description
Part No. Description
VCO shielding
mask
APC shielding
mask
Ref Print
No. No. No.
125 R44 B5A
126 R45 B5D
127 R46 B1L
128 R47 B2I
129 R5 B2B
130 R6 B3H
131 R7 B3J
132 R8 B3J
133
R9 B2G
134
S1 T1M
135
S7 T3A
136
U1 B2H
137
U2 B3H
138
U3 B3F
139
U4 B3F
140
U5 B4H
141 U8 B4C
/ /
/
Ref Print
No. No. No.
13 R364 T3A
14 R365 T3C
15 R366 T3C
16 R368 T3C
17 R370 T3C
18 R373 T3C
19 R398 T3A
20 R405 T2A
21 R417 T2A
22 U326 T3B
23 W321 T3A
/ / /
Ref Print
No. No. No.
768
L404 B7A
769
L405 B7A
770 L406 B7A
771 L407 B7B
772 L408 B7B
773 L409 B7B
774 L410 B7B
775 L411 B7B
776 L412 B7B
777 L414 B8C
778 L415 B8C
779 L417 T2C
77
Parts List
Part No. Description
3001061020010 1kΩ
3001061020010 1kΩ
3001062710000 270Ω
3001061020010 1kΩ
3001062710000 270Ω
3001061030010 10kΩ
3001062710000 270Ω
3001062710000 270Ω
3001063300000 33Ω
Momentary
4301080000090
contact switch
Momentary
4301080000090
contact switch
3607010000400 Logic IC
3805010860000 EMI filter
3805010860000 EMI filter
3805010860000 EMI filter
Power
3608015000210
management IC
3699037000010 USB protection IC
/ /
Part No. Description
3001050000000 0Ω
3001051030000 10kΩ
3001051030000 10kΩ
3001051010000 100Ω
3001051010000 100Ω
3001053300010 33Ω
3001054720000 4.7kΩ
3001061030000 10kΩ
3001062030000 20kΩ
3625999000060 GPS module
4411100002000 IPX RF connector
/ /
Part No. Description
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3221506300000 Ferrite bead
3001050000000 0Ω
3001050000000 0Ω
3001050000000 0Ω