UHF2 PCB 8485641Z02 Schematics
3-9
TESTD
VAG
VAG_REF
VPP
RED_VCC
RED_VSS
ROSE_VCC
ROSE_VSS
RSSI_FLT
RSSI_OUT
TESTA
IOUT
LIM
MIX_BYP
MIX_IN
MLPD_CR
PHASE_LOCK
PREAMP_OUT
PRE_AGC
PRE_IN
EMIT
EXTBS
FREF
GND
GOLD_VCC
GOLD_VSS
GREEN_VCC
GREEN_VSS
C4M
C4P
CEX
CLK
COL
DATA
DEMOD_HF
DEMOD_OUT
BROWN_VCC
BRP_OFF
C1M
C1P
C2M
C2P
C3M
C3P
AFC
BASE
BLUE_VCC
BLUE_VSS
U301
32D83
16
15
24
21
20
14
19
18
13
17
22
23
32
25
30
29
31
26
36
28
27
33
34
35
42
46
47
48
41
43
37
40
39
38
45
44
8
9
3
1
2
5
4
11
6
10
7
12
0.1uF
C336
C356
.022uF
L314
2.2uH
C341
1uF
C339
1uF
C337
100pF
C340
1uF
1uF
C342
Vdd_FILTERED
R5
C355
0.33uF
100pF
C327
C328
0.1uF
2.4K
R312
C338
C330
15pF
10pF
R314
330
3K
R313
30K
R311
C326
.01uF
Q302
R351
0
3.3K
R352
12K
R315
680nH
L330
.01uF
C325
C323
150pF
20pF
C324
750nH
L311
GND2
4
GND3
5
OUT
3
IN
6
TBD
XTAL
FL301
GND
1
GND1
2
IF
C348
0.1uF
0.1uF
C329
0.1uF
C344
C343
0.22uF
0.1uF
C347
0.1uF
C346
.022uF
C334
DB
0.1uF
C359
1200pF
C358
R344
12K
C383
100pF
0.22uF
C357
16.8MHz
Vdd_FILTERED
CLK
DATA
LVZIF_SEL
C350
330pF
C349
.022uF
2K
R324
C351
20pF
BFQ67W
Q320
1
3
2
12pF
C352
0
R355
43pF
C353
C362
.022uF
56pF
100nH
L332
C385
.01uF
C364
CR310
R320
1K
R321
2.4K
C363
2.2uF
2.20uH
L325
R346
56K
200K
R322
C354
47pF
100pF
C390
100K
R350
0.1uF
C345
DEMOD
DA
C361
10nF
C360
.022uF
RSSI
SH322
SHIELD
1
SH323
SHIELD
1
SH321
SHIELD
1
CRYSTAL FILTER SHIELD
LVZIF TOP SHIELD
LVZIF BTM SHIELD
C384
56pF
10K
R345
0.706V
2.683V
3.185V
2.628V
2.095V
UHF2 (450-527 MHz) Receiver Back End
ZMY0130223-A
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 ...