Motorola APX 2000 Detailed Service Manual

8-56 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01)
Figure 8-28. Display/Keypad Lighting Control Circuit (84012320001)
SCL2
EN
VREF1
SDA1
SCL1
SDA2
0.1UF
0.1UF
200K
PCA9306
V_LED_TOP
V_EXT_1.85
C2201
C2202
U2202
R2201
I2C_DATA
IC2_TRANS_VREF2
I2C_CLK
7
2
54
63
1
8
IN
IO
VREF2
GND
RADIO TOP LIGHTING
3.3K
3.3K
V_LED_TOP
R2206
R2204
0
LP3943
0.1UF
U2201
C2203
R2207
SDA_5V
SCL_5V
21
20
19
18
24
23
22
LED15
GND2
GND1
SCL
RST
SDA
A0
A1
A2
LED12
LED11
LED10
LED9
LED8
LED13
LED7
LED6
VDD
LED14
LED0
LED1
LED2
LED3
LED4
LED5
25
9
17
11
10
8
7
6
5
4
3
16
15
14
13
12
2
1
10K
47K
V_EXT_1.85
DTC114YKAF
Q2202
OMAP_RESET
1
2
10K
V_LED_TOP
100PF
R2254
C2223
3
0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF
C2222 C2221
C2216 C2215
C2214
C2213
C2212 C2211
270NH
270NH
270NH
470
300
470
270NH
R2246
R2245
R2244
E2248
E2249
E2247
E2246
E2245
E2244
L2205
E2242
L2204
L2203
L2202
V_SW_5
J2302
J2302
J2302
J2302
J2302
J2302
J2302
J2302
MAIN_DISPLAY_LED4
MAIN_DISPLAY_LED3
MAIN_DISPLAY_LED2
MAIN_DISPLAY_LED1
TX_RX_AMBER_LED
TX_RX_GREEN_LED
TOP_LIGHTBAR_RED_LED
TOP_LIGHTBAR_GREEN_LED
TX_RX_RED_LED
KEYPAD_WHITE_LED
TOP_LIGHTBAR_AMBER_LED
51
53
55
56
58
57
59
60
V_LED_TOP
LIGHTING CONTROLERS
0
V_SW_5 V_LED_TOP
R2235

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)