Theory of Operation
: Controller
3-53
Figure 3-37. GCAI Signal Configuration
Figure 3-38. GCAI Connector
2
6
7
8
9
10
11
12
D+
D-
Vbus
One-Wire
ONE_WIRE
GPIO_4
GPIO_3
Preamp
USB
XCVR
1
3
4
5
One-Wire
GPIO_0
Ext Mic
GCAI
CONNECTOR
UART1_TX
UART1_RX
UART1_TX
UART1_RX
OPT_GPIO_3
OPT_GPIO_2
OPT_GPIO_0
GPIO
MA KO
OMAP1710
EXT
PA
KF Switch
CPLD
GPO
ONE_WIRE_GCAI
BATT_STATUS
VBUS
D+
D-
SPKR+
SPKR-
GND
MIC+
MIC-
OPTA_SEL_2
OPTA_SEL_1
OPTA_SEL_0
KEYFAIL CONTROL
KEYFAIL
MACE
TXEN
DAT
SE0
USB
PORT 0
GPIO
GPIO
Front View
Side View
A
B
C
1
3
5
7
9
11
2
4
6
8
10
12
9
8
P1
16
1
Summary of Contents for APX 6000
Page 1: ...APX TWO WAY RADIOS APX 5000 APX 6000 APX 6000XE SRX 2200 Detailed Service Manuals ...
Page 2: ......
Page 6: ...iv Document History Notes ...
Page 20: ...xviii CommercialWarranty Notes ...
Page 26: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Page 100: ...3 74 Theory of Operation Bluetooth Notes ...
Page 172: ...5 66 Troubleshooting Charts PA Failure Notes ...
Page 250: ...6 78 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 276: ...7 26 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 300: ...8 24 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF Notes ...
Page 336: ...8 60 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 Notes ...
Page 378: ...8 102 Schematics Boards Overlays and Parts Lists Transceiver RF Boards 700 800 MHz Notes ...
Page 432: ...Glossary 10 Glossary Notes ...
Page 437: ......