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AOC 154F
6. Schematic
6.1 Main Board
715L1426-3
5V D401
1N4148
MCU_VDD
MCU_VDD
DDC_VDD D402 D403
1N4148 1N4148
C412
DGND 220n
+ U403
PWR_LEDG C403 AT24C16
C402
PWR_LEDA 47u/16V 100n 1 8
5V 2 A0 VCC 7 WP
3 A1 WP 6 R436 100 SCL
DGND DGND 4 A2 SCLK 5 R437 100 SDA
GND SDA
R4218 R403 R401 R4207 R4208 DGND
4.7k 1k 4.7k 4.7k 4.7k
44
43
42
41
40
6
5
4
3
2
1
MUTE
PA3/PWM5
PA2/PWM4
PA1/PWM3
PA0/PWM2
PA4/PWM6*
PC3/PWM0
PD0
PC2
PC0*
PC1*
VCC
AMP_STBY
PWR1_EN
BL_EN PWR2_EN
R4217 MCU_VDD 7 39 CN103
PA5/PWM7* PC4/PWM1 VSO SCL
15k
VOLUME 8 38 SDA 1
PA6/PWM8* PC5 HSO 2
9 37 3
BL_BRIGHT PA7/PWM9* PC6 VGA_DET
R404 R407 100 10 36 WP (NC)3PIN/2.0mm
RSTB PC7
1k U402 AUTO
DGND
RXD 11
P30/RXD PD1
35 TO DEBUG
C494 C401 NT68F633 MENU
1u 1u 12 34
PD6 PD2
TXD 13 33
DGND DGND P31/TXD NC
R4209 100 14 32
IRQN PB2/ADC2/INTE0 NC
15 31 RIGHT
PB3/ADC3/INTE1 PD3
LEFT M_TXD
R4210 NC 16 30
SCL P34/T0 PD4 M_RXD
R160
R4211 NC 17 29 PWR NC
SDA P35/T1 PD5 5V
PB5/SDA0*
PB7/SDA1*
DDC_SCL
PB4/SCL0*
PB6/SCL1*
PB0/ADC0
PB1/ADC1
DDC_SDA
5V R420
OSCO
4.7k R4212 R4213 R161
OSCI
GND
PE0
PE1
NC NC CN101 R132 NC
100
1 TXD
MCU_VDD MCU_VDD 2
18
19
20
21
22
23
24
25
26
27
28
R421 RXD
6.8k C410 3
100p 4 R133
(NC)4PIN/2.0mm 100
C477
100p DGND
RSTN
DGND R419 R418 R417 R416
2k 2k 2k 2k DGND
12M_OSC
TO RS232
R411 1M
R4214 100
SDA
R4215 100
SCL
R414 100
MCU_VDD DDC_SDA
X401
C404 12MHz C405 R415 100
DDC_SCL
22p 22p
AD0
R4200 R4201 AD1
7.5k 7.5k
DGND
R4202 nc AD0 C481 C480
R4203 nc AD1 NC NC
R430 1k LEFT
R429 1k MENU
DGND
LED_ORANGE R4204 100 PWR_LEDA
CN102 LED_GREEN R4205 100 PWR_LEDG
1 2
MENU_KEY 3 4 AUTO_KEY R434 1k AUTO POWER_KEY 8 CN105
LEFT_KEY 5 6 RIGHT_KEY R435 1k RIGHT MENU_KEY 7
7 8 POWER_KEY R431 1k PWR AUTO_KEY 6
NC NC NC MUTE 9 10 LED_ORANGE 5
ZD420 ZD421 ZD422 AMP_STBY 11 12 12V LED_GREEN 4
VOLUME 13 14 C413 RIGHT_KEY 3
15 16 220p ZD417 LEFT_KEY 2
C416 C418 C419 8*2PIN/2.0mm NC NC 1
220p 220p 220p ZD416 C414 ZD418 C415 ZD419 CONN
220p NC 220p NC C417
DGND DGND 220p DGND
DGND Title
715L1426-3
Size Document Number Rev
DGND MCU 0.1
Date: Tuesday, March 01, 2005 Sheet 1 of 5
18
AOC 154F
FB401 ADC_VAA 3.3V
3.3V B0805/600 3.3V FB402 PLL_VAA 2.5V
B0805/600
C495
+ + 100u/16V + C429 C430 C431 C432 C433 C449 C451
C420 C421 C422 C423 C424 C425 C426 C434 C435 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
47u/16V 0.1u 0.1u 0.1u 0.1u 47u/16V 0.1u 0.1u 0.1u
C427
220u/16V
+
DGND 2.5V
ADC_GND PLL_GNDA FB403
DGND B0805/1k
C428
0.1u
DGND
ADC_VAA R440 22
GPO7/GATE_CLK
3.3V R441 22
VSO
PLL_VAA R442 22
HSO
ADC_VAA R443 22
GPO4/GATE_SP
R446 R444 22
GPO3/SOUR_POL
(NC)820 R4216 22
GPO2/GATE_OE
1
R445 22
GPO1/SOUR_LD
DGND
2 +
127
103
118
104
120
110
111
112
113
114
115
116
117
124
C436
21
14
25
71
37
56
85
38
83
68
8
3
D404 47u/16V C437
IRQN
(NC)AIC431CUN 3 0.1u
PLL_VAA
GPO7
VSO/GPO6
ADC_GVAA
ADC_BVAA
ADC_VAA
PLL_VDD
12M/GPO0
HSO/GPO5
DPLL_VDD
ADC_RVAA
LVDS_VCC
PWM1/GPO4
PWM0/GPO3
D_DE/GPO2
MD1/GPO9
MD0/GPO8
DISP_HS/GPO1
DVDD
DVDD
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