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Motorola APX 2000 Detailed Service Manual

Motorola APX 2000
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8-360 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 900 MHz (84012478001)
Figure 8-177. Display/Keypad Lighting Control Circuit
RADIO TOP LIGHTING
C2201
C2202
R2201
0.1UF
0.1UF
200K
IC2_TRANS_VREF2
V_LED_TOP
V_EXT_1.85
SCL2
EN
GND
VREF2
VREF1
SDA1
SCL1
SDA2
2
8
7
54
63
1
U2202
I2C_DATA
I2C_CLK
PCA9306
IN
IO
20
19
18
24
23
22
R2206
R2204
3.3K
SDA_5V
3.3K
SCL_5V
C2203
R2207
0
0.1UF
V_LED_TOP
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
21
11
10
8
7
6
5
4
3
17
16
15
14
13
12
2
1
25
9
U2201
LP3943
10K
47K
OMAP_RESET
R2254
1
3
2
Q2202
V_EXT_1.85
DTC114YKAF
10K
V_LED_TOP
C2223
100PF
V_LED_TOP
R2246
R2245
R2244
E2248
E2249
E2247
E2246
E2245
E2244
L2205
E2242
L2204
L2203
L2202
270NH
270NH
270NH
470
300
470
270NH
51
J2302
53
J2302
55
J2302
56
J2302
58
J2302
57
J2302
59
J2302
60
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
V_SW_5
C2222
C2221
C2216
C2215
C2214
C2213
C2212
C2211
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
LIGHTING CONTROLERS
R2235
0
V_SW_5 V_LED_TOP

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Motorola APX 2000 Specifications

General IconGeneral
BrandMotorola
ModelAPX 2000
CategoryTwo-Way Radio
LanguageEnglish

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