3-68
UHF2 PCB 8415235H01 & 8415235H05 Schematics (EPP)
100pF
C246
L242
2.7pF
C245
18nH
22nH
R244
15K
L273
L271
27nH
390nH
390nH
L281
L241
CR243
R245
240
C273
1
A1
A2
2
0.1uF
1
3
2
CR241
Q241
BFQ67W
4.3pF
C250
C256
5.1pF
C289
1.5pF
100pF
2.2uF
C276
C253
SHIELD
SH241
1
C297
C281
.01uF
1
2
3
DD
100pF
L243
RESONATOR
C244
TX_IADJ
1
TX_OUT
10
TX_SWITCH
13
VCC_BUFFERS
14
VCC_LOGIC
18
3pF
RX_EMITTER
6
RX_IADJ
2
RX_OUT
8
RX_SWITCH
7
SUPER_FLTR
3
TRB_IN
19
TX_BASE
16
TX_EMITTER
15
COLL_RFIN
4
FLIP_IN
20
GND_BUFFERS
11
GND_FLAG
9
17
GND_LOGIC
PRESC_OUT
12
RX_BASE
5
50U54
U241
30
R248
C247
C248
100pF
0.1uF
100pF
C255
C251
100pF
4
1
3
1.1pF
C272
100pF
Q261
2
C241
C254
CR242
3.3pF
CR251
270
R252
5.1pF
C252
390nH
L251
33
R242
120
4
1
3
R251
Q260
2
C271
1pF
L282
390nH
10K
R243
7.5K
R253
C285
100pF
0.1uF
C286
L253
RESONATOR
1
P1
P2
2
P3
3
4.3pF
C242
4.3pF
C243
R241
18
R254
8.2K
1K
R260
Rx_sw
Tx_sw
SHIELD
SH242
1
Rx_sw
Tx_sw
RX_INJ
AUX3
AUX4
5V
VCTRL
PRESC
TX_INJ
VSF
VSF
VCO TOP SHIELD
VCO BOTTOM SHIELD
UHF2 (450-527MHz) Voltage Controlled Oscillator
Summary of Contents for GP series
Page 1: ...Professional Portable Radio Detailed Service Manual 6866558D03 P ...
Page 2: ...ii ...
Page 5: ...Professional Radio GP Series Service Maintainability Issue July 2007 ...
Page 14: ...x THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 16: ...xii THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 26: ...2 6 MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 32: ...4 2 Error Codes Notes ...
Page 33: ...Professional Radio GP Series Keypad and Flex Service Information Issue July 2007 ...
Page 36: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 40: ...1 4 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 48: ...2 8 PCB Schematic Diagrams and Parts List Flexes THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 52: ...2 12 PCB Schematic Diagrams and Parts List Keypad THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 56: ...2 16 PCB Schematic Diagrams and Parts List Keypad THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 62: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 72: ...3 4 CONTROLLER SCHEMATICS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 92: ...3 24 Controller Set 3 PCB 8486458Z03 UHF 8486686Z02 UHF2 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 98: ...3 30 Controller Set 4 PCB 8416256H02 UHF Controller Audio Power Amplifier Schematic Diagram ...
Page 101: ...Controller Set 5 PCB 8486743Z02 UHF 3 33 Controller Micro Processor Schematic Diagram ...
Page 102: ...3 34 Controller Set 5 PCB 8486743Z02 UHF Controller Interface Schematic Diagram ...
Page 103: ...Controller Set 5 PCB 8486743Z02 UHF 3 35 Controller Audio Power Amplifier Schematic Diagram ...
Page 104: ...3 36 Controller Set 5 PCB 8486743Z02 UHF THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 134: ...1 22 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 150: ...3 6 UHF PCB SCHEMATICS PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 160: ...3 16 UHF PCB 8480450Z03 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 178: ...3 34 UHF PCB 8480587Z03 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 182: ...3 38 UHF PCB 8480587Z03 Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 190: ...3 46 UHF PCB 8480587Z05 Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 200: ...3 56 UHF PCB 8480450Z13 14 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 214: ...3 70 UHF PCB 8486458Z03 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 228: ...3 84 UHF PCB 8415234H01 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 244: ...3 100 UHF PCB 8415234H02 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 250: ...3 106 UHF PCB 8415234H02 Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 270: ...3 126 UHF PCB 8415234H05 EPP Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 280: ...3 136 UHF PCB 8415234H08 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 290: ...3 146 UHF PCB 8415234H08 Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 293: ...UHF PCB 8486743Z02 Schematics 3 149 UHF 403 470 MHz Receiver Front End Schematic Diagram ...
Page 294: ...3 150 UHF PCB 8486743Z02 Schematics UHF 403 470 MHz Receiver Back End Schematic Diagram ...
Page 295: ...UHF PCB 8486743Z02 Schematics 3 151 UHF 403 470 MHz Synthesizer Schematic Diagram ...
Page 297: ...UHF PCB 8486743Z02 Schematics 3 153 UHF 403 470 MHz Transmitter Schematic Diagram ...
Page 298: ...3 154 UHF PCB 8486743Z02 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 316: ...3 172 UHF PCB 8415234H05 450 470 MHz Narrow Band THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 325: ...Professional Radio GP Series UHF2 450 527MHz Service Information Issue July 2007 ...
Page 342: ...1 14 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 352: ...2 10 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 356: ...3 4 UHF2 PCB SCHEMATICS PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 384: ...3 32 UHF2 PCB 8485677Z02 GP1280 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 386: ...3 34 Voice Storage Parts List GP1280 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 394: ...3 42 UHF2 PCB 8485677Z03 GP1280 Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 404: ...3 52 UHF2 PCB 8486686Z02 Schematics THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 441: ...Professional Radio GP Series 800 MHz 806 870MHz Service Information Issue July 2007 ...
Page 444: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 456: ...1 12 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 464: ...3 2 800MHz PCB schematics Parts list THIS PAGE INTENTIONALLY LEFT BLANK ...