Motorola APX 6000 Service Manual

7-20 Troubleshooting Tables: List of Board and IC Signals
ALL_RX_ACTIV
E
Route LO to the mixer.
Must be on for all RX
modes.
3 1 Output Input None
H65_VCO_PATH
_ON
Enables the path for
VCO H65. Should be
enabled for 700TX TA,
700 RX, 800 RX, and
800 TX TA
5 1 Output
Input None
H68_VCO_PATH
_ON
Selects the path for
VCO H68. Must be on
for VHF TX, UHFR1,
and UHFR2.
7 1 Output Input None
VHF_RX_ON Enables H67 VHF RX
VCO. Also turns on VHF
LNA.
2 1 Output Input None
TX_BUFFER_O
N
Enables the TX buffer.
On for all TX modes.
Also turns on log amp.
4 1 Output
Input None
7/
800TX_VCO_O
N
Turns on VCO H67. 6 1 Output Input None
VHF_TX_UHF_
R1_VCO_ON
Turns on VCO H68, SEL
1. Used for VHF transmit
and UHF1 RX.
8 1 Output
Input None
700TX/
800RX_VCO_O
N
Turns on SEL 1 on H65
VCO. For 700 TX TA
and 800 RX.
9 1 Output
Input None
800TX/
700RX_VCO_O
N
Turns on SEL2 on H65
VCO. Used for 800 TX
TA and 700 RX.
10 1 Output Input None
UHF_TX_R1_V
CO_ON
Turns on VCO H66 SEL
1. Used for 380-450
12 1 Output
Input None
UHF_TX_R2_V
CO_ON
This is to turn on VCO
H66 SEL 2. This would
be used for 450-520
13 1 Output
Input None
700RX_FRONT_
END_ACTIVE
The enables the 700
path in the RX front end.
14 1 Output
Input None
UHF_RX_R2_V
CO_ON
This enables VCO H68
SEL 2.
15 1 Output Input None
Table 7-12. Overall GPIO pin functions across multiple boards (Continued)
Signal Name Description
Pin
or
Ball #
Active
State
SW Initialized HW Reset
Direction
*
PU State Direction
*
PU
or
PD

Motorola APX 6000 Specifications

General

Frequency Range	700/800 MHz, VHF, UHF Range 1, UHF Range 2
IP Rating	IP67
P25 Phase 1 & 2	Yes
GPS	Yes
Encryption	AES, DES
Power Output	1-3 Watts (700/800 MHz)
Operating Temperature	-30°C to +60°C
Intrinsically Safe	Yes
Bluetooth	Yes (Bluetooth 4.0)