Gpio I/F - Dynex DX-40L260A12 Service Manual

40"LCD TV

7) GPIO I/F

VCC3_3
U401K
GPIO I/F
F2
BOOT_0
GPIO_P0/BOOT_0/LRCLK/SNDBUS[0]
L3
GPIO1
GPIO_P1/BOOT_1/BCLK/SNDBUS[1]
F1
ACLK
GPIO_P4/ACLK/SNDBUS[4]
G4
GPIO_P5/ADATAIO[0]/SNDBUS[5]
G3
GPIO_P6/SNDBUS[6]
G2
GPIO_P7/SNDBUS[7]
G1
GPIO_P8/SNDBUS[8] H4
GPIO_P9/SNDBUS[9]
H3
GPIO_P10/SNDBUS[10]
H2
GPIO_P11/SNDBUS[11]/PWM2
H1
GPIO_P12/SNDBUS[12]
J4
GPIO_P14/SNDBUS[14]
N3
GPIO_P16/SNDBUS16
R496
ZR39748BGCG
4.7K 1/16W
0402
0 : Watchdog Timer Enabled
1 : Watchdog Timer Disabled
WDT_EN_N
R446 10K+-5%1/16W
0402
R447 NC/10K
0402
R462
NC/10K
0402
I2C0_SCL_T
R463
NC/10K
0402
I2C0_SDA_T
I2C0_SCL_T
I2C0_SDA_T
3V3_STB
C422
R449 R450
CN401 100N16V
0402
10K+-5%1/16W 10K+-5%1/16W
1 0402 0402
2
3
4
5
6
7
8
9
10
11
12
C423
CONN ZD407 ZD408
ZD405 MLVG0402 100N16V
MLVG0402 MLVG0402 ZD406 0402
12P R/A 2.0mm NC/MLVG0402
033G380212B YH
Bootstrap Configuration:
Please note: this section can not be removed
GPIO_P0 = 0 boot from SPI
R434
GPIO_P0 = 1 boot from UART
NC/4.7K
0402
R435 4.7K 0402
R436 4.7K 0402
AUD_SHDN
AUD_SHDN 11
AUD_AMP_RSTN
AUD_AMP_RSTN 11
PANEL_ON
PANEL_ON 9
EEPROM_WP
EEPROM_WP 6
BL_ON_OFF
BL_ON_OFF 12
TKEY _INT
TKEY _CTRL
ACLK I2S0_PCLK
R491 220R +-5% 1/16W
I2S0_PCLK 10,11
0402
GPIO1 R492 220R +-5% 1/16W I2S0_SCLK
I2S0_SCLK 10,11
0402
C497 C498
NC NC
0 : MIPS BOOTSTRAP
1 : EEPROM BOOTSTRAP
3V3_STB
TVM_BOOT
R445 10K+-5%1/16W
0402
VCC3_3
VCC3_3
R4A1
NC/10K
U410 0402
NC/74CBTLV1G125GW
5 1 TKEY _CTRL
Vcc OE
2 I2C0_SCL
I2C0_SCL 6,11
A
4 3
B GND
U411
NC/74CBTLV1G125GW
5 1
Vcc OE
2 I2C0_SDA
I2C0_SDA 6,11
A
4 3
B GND
C494
NC/100N16V
0402
I2C0_SCL
R457 NC/33R 0402
I2C0_SDA
R458 NC/33R 0402
Touch keypad -> R451 use 470K 1%
Tact Switch -> R451 use 3.9K 1%
R451
3K9 1/10W 1%
1 2
FB406 300OHM
R453 NC/33R 0402
1
FB422
1
FB425
1
FB426
1
FB423
1
FB424
1
FB410
1
FB411
C424 C425 C426 C427 C428 C429 C430
NC/10P 50V NC/10N 50V NC/10N 50V
10N 50V NC/10P 50V 10N 50V 10N 50V
0402 0402 0402 0402 0402 0402 0402
KEY _IN
LIGHT_SENSOR
If function R432
is not used
LIGHTING_LOGO_1
4 LIGHTING_LOGO_1
LIGHTING_LOGO_2
4 LIGHTING_LOGO_2
VGA_HSY NC_DET
3 VGA_HSYNC_DET
KEY _PWR
VGA_VSYNC
3 VGA_VSY NC
LED_2
LED_1
PWR_ON
12 PWR_ON
VGA_VSYNC_DET
3 VGA_VSY NC_DET
KEY _IR
BL_BR_CTRL
9,12 BL_BR_CTRL
3V3_STB
R440 4.7K 1/16W
R441 4.7K 1/16W
UART0_TX
3 UART0_TX
UART0_RX
3 UART0_RX
VGA_SCL
3 VGA_SCL
VGA_SDA
3 VGA_SDA
HDMI0_SCL
5 HDMI0_SCL
HDMI0_SDA
5 HDMI0_SDA
HDMI0_5V_A
5 HDMI0_5V_A
HDMI0_HPD_A
5 HDMI0_HPD_A
HDMI1_SCL
5 HDMI1_SCL
HDMI1_SDA
5 HDMI1_SDA
HDMI1_5V_A
5 HDMI1_5V_A
HDMI1_HPD_A
5 HDMI1_HPD_A
HDMI2_SCL
5 HDMI2_SCL
HDMI2_SDA
5 HDMI2_SDA
HDMI2_HPD_A
5 HDMI2_HPD_A
HDMI2_5V_A
5 HDMI2_5V_A
HDMI_CEC_IN
5 HDMI_CEC_IN
System MCU RESET
3V3_STB
3
C421
1UF 6.3V
0402
3V3_STB
R452
0R05 1/10W
KEY _IN
TKEY _INT
2
300OHM KEY _PWR
2
NC/300OHM I2C0_SCL_T
2 I2C0_SDA_T
NC/300OHM
2 LED_B
NC/300OHM
2 LED_R
300OHM
2 LIGHT_SENSOR
NC/300OHM
2
120R KEY _IR
38
U401L
MCU I/F
C8 F6
ADC8_IN0 ADC8_RBIAS
D8
ADC8_IN1
C9
ADC8_IN2
D9 E1
1K 0402
ADC8_IN3 RESET_N
D13
ADC8_IN6
G6
IOVDD_STBY1
B4 H6
T0/GPIO_TV_P21 IOVDD_STBY2
B6
C6 T1/GPIO_TV_P24
INT0_N/GPIO_TV_P13
D6
INT1_N/GPIO_TV_P23
B2
INT2/AFE_VSYNC_IN/GPIO_TV_P29
B5
WDT_EN_N
WDT_EN_N/GPIO_TV_P27/T2
A5
TVM_BOOT
BOOT_OPT/LED/GPIO_TV_P26
D5
POWER_CTL1/GPIO_TV_P15
C5
POWER_CTL2/GPIO_TV_P12
G7
COREVDD_STBY
A2
IRR
D7
R4A2 NC/33R0402
TVCPU_PWM0
R4A8 100R 0402
If function is not
0402
used, R4A8 -> 0R
0402
A6
UART0TX/TVCPU_UART_TXD
C7
UART0RX/TVCPU_UART_RXD
F7
CLK25M_VDD
B3
VGA_SCL/TV_DEBUG[7]
A3
VGA_SDA/TV_DEBUG[8]
E4
HDMI0_SCL
E3
HDMI0_SDA
D1
HDMI0_5VSENSE
E2
HDMI0_HPD
D4
GPIO_TV_P0/HDMI1_SCL
D3
GPIO_TV_P1/HDMI1_SDA
C1
GPIO_TV_P3/HDMI1_5VSENSE
D2 A7
GPIO_TV_P2/HDMI1_HPD CLKIN_RTC
C4
GPIO_TV_P4/HDMI2_SCL
C3
GPIO_TV_P5/HDMI2_SDA
B1
GPIO_TV_P7/HDMI2_HPD
C2
GPIO_TV_P6/HDMI2_5VSENSE
A1 B7
HDMI_CEC CLKOUT_RTC
ZR39748BGCG
U404
AZ809ANSTR-E1
2 RESET_N
RESET
Vcc
1
GND
R448
100K
0402
3V3_STB
R454 R455
R456
LED_B 1.5K NC/470R
NC/1.5K
LED_1
R459 NC/10K 1/10W Q401
NC/MMBT3906
LED_2 R460 3.3K 1/10W Q402 LED_B
MMBT3906
LED_R
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
G4522-M0H-000-0040-1-110215 TPV MODEL
絬 隔 瓜 絪 腹
Key Component 07-GPIO I/F PCB NAME 715G4522
Date Tuesday , February 15, 2011 Sheet 7 of 13
Best Buy DX-40L260A12
R431 10K+-5%1/16W
0402
R433 100OHM1/16W RESET_N
0402
FB403
C415 100N16V 3V3_STB
0402
1 2
600 OHM
C416 C417
10N 50V 2.2uF 10V
0402
1V1_STB
C418 C419
100N16V 1UF 10V
0402 0402
3V3_STB
FB421
1 2
600 OHM
C420 C489
100N16V 1UF 6.3V
0402 0402
C490
22P 50V
0402
Custom
Size
Rev F
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