Figure 8-145.Display/Keypad Lighting Control Circuit (84012266001) - Motorola APX 1000 Detailed Service Manual

8-290
V_LED_TOP
V_EXT_1.85
R2201M2
RADIO TOP LIGHTING
200K
C2202M2
0.1UF
C2201M2
0.1UF
IC2_TRANS_VREF2
V_LED_TOP
U2202M2
PCA9306
8
EN
IN I2C_CLK 3 6
SCL2
SCL1
IO I2C_DATA
4 5
SDA1 SDA2
R2204M2
3.3K
SCL_5V
SDA_5V
V_LED_TOP
V_EXT_1.85
R2254M2
10K
Q2202M2
DTC114YKAF
3
10K
2
47K
C2223M2
100PF
OMAP_RESET
Figure 8-145. Display/Keypad Lighting Control Circuit (84012266001)
V_LED_TOP
R2207M2
0
C2203M2
R2206M2
0.1UF
3.3K
U2201M2
LP3943
19 1
SCL LED0
18 2 E2244M2
RST LED1
20 3 E2245M2
SDA
LED2
22 4 E2246M2
A0 LED3
5 E2242M2
23 R2244M2 470
A1
LED4
E2248M2
24 6 R2245M2
A2 LED5
7 E2249M2
R2246M2
LED6
8 E2247M2
LED7
L2202M2
10 270NH
LED8
L2203M2
11 270NH
LED9
L2204M2
12 270NH
LED10
L2205M2
13 270NH
LED11
14
LED12
15
LED13
16
LED14
17
LED15
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 700 – 800 MHz (84012266001 / PC000351A01)
TOP_LIGHTBAR_RED_LED 53
J2302M2
TOP_LIGHTBAR_GREEN_LED 55
J2302M2
TOP_LIGHTBAR_AMBER_LED 57
J2302M2
KEYPAD_WHITE_LED
TX_RX_RED_LED 58
J2302M2
300 TX_RX_GREEN_LED 60
J2302M2
TX_RX_AMBER_LED 56
470
J2302M2
MAIN_DISPLAY_LED1
MAIN_DISPLAY_LED2
MAIN_DISPLAY_LED3
MAIN_DISPLAY_LED4
51
J2302M2
V_SW_5
59
J2302M2
LIGHTING CONTROLERS
V_SW_5 V_LED_TOP
R2235M2
0