Hitachi L42A404 Service Manual page 19

8. GPIO Block
U401K
GPIO
C10 BOOT_STRAP0
BOOT_STRAP0
DEMOD_RSTN 3
GPIO_P0
C11 BOOT_STRAP1
BOOT_STRAP1
GPIO_P1
C12
BOOT_STRAP2 BOOT_STRAP2
GPIO_P2
D10
BOOT_STRAP3 BOOT_STRAP3
GPIO_P3
D11
GPIO_P4
D12
GPIO_P5
E12
GPIO_P6
E11
R455 47R 1/10W 5%
GPIO_P7
AB20
8051_BOOT
GPIO_P8
AB19
GPIO_P9
AB18
GPIO_P10
AB17
GPIO_P11
C6
R462 33R 1/10W 5%
GPIO_P13
D5
R459 4K7 1/10W 5%
GPIO_P19
U24
GPIO_P21
U23
GPIO_P22
R23
GPIO_P23
AB13
GPIO_P24
AB14
GPIO_P25
AB16
GPIO_P26
AC14
GPIO_P27
AA6
Res_AA6
ZR39785HGCF
U401S
AFE I/F_GPO
K4
AFE_CLK
AE3
AFE_XCLK
M6
AFE_ATCLK0
N6
AFE_ATCLK1
U6
AFE_TCLK_IN
V6
AFE_TCLK_OUT
AB7
AFE_XCLK_TEST
AB10 1
AFE_TEST0 TP4
AB9
AFE_TEST1
AB8
AFE_TEST2
ZR39785HGCF
U401M
TVMM I/F
E1
VID0
E2
VID1
E3
VID2
E4
VID3
E5
VID4
F1
VID5
F2
VID6 Panel_Ctrl_1
F3
AV2_S_DET 4
VID7
F4
Vsy nc_in
F5
Hsy nc_in
G3
VCLKx2
G4
TEST_G11
H3
TEST_G12
ZR39785HGCF
3V3_STB
C441
0.1uF/16V
R487 R490 R421
CN403
3K9 1/10W 1%
1
10K 1/10W 5% 10K 1/10W 5%
2
3
4
5
6
7
8
9
10
U409
AZC099-04S
3V3_STB
4 3
CONN
I/O3 I/O2
5 2
10P S/T 2.0mm
VDD GND
6 1
33G380210B Y
I/O4 I/O1
BL_ON_OFF
BL_ON_OFF 10,14
EARPHONE_DET
EARPHONE_DET 13
USB_OC_N 7
SPI_WEN
SPI_WEN 7
TVM_BOOT
TEST_MODE
LED_1
VGA_VSY NC_DET
VGA_VSY NC_DET 6
EEPROM_WP1
EEPROM_WP1 7
VGA_HSY NC_DET
VGA_HSY NC_DET 6
AUD_SHDN
AUD_SHDN 12
PWR_ON
PWR_ON 14
KEY _PWR
LED_2
USB_EN_N
USB_EN_N 7
HDMISW_RSTN
HDMISW_RSTN 5
AUD_AMP_MUTE
AUD_AMP_MUTE 12
PANEL_ON
PANEL_ON 10,15
LED Driver
5,10
LED_1 LED_B
R484 220R 1/10W 5%
LED_2 R485 47K 1/10W 5%
C401 C413
10N 16V 10N 16V
C4E8 C4F2
0.001uF 0.001uF
1 2 KEY_PWR
FB406 300 OHM
1 2 KEY_IN
FB419 300 OHM
1 2
FB420 NC/300 OHM LIGHT_SENSOR
1 2
FB421 300 OHM LED_B
1 2 LED_R
FB422 300 OHM
1 2 KEY_IR
FB410 120OHM
C4F3 C4F4 C4F5
0.001uF 0.001uF 0.001uF
L42A404
D3V3 TVMicro Bootstrap
Configuration
R450
4K7 1/10W 5%
TEST_MODE
TVM_BOOT
State TEST MPDE
Debug Mode 1
Normal Mode 0 Boot Option
I2C EEPROM
D3V3
R470
R471
D3V3
3V3_STB
3V3_STB
R481
C421 C422
1K8 1/10W 5%
10N 16V 0.1uF 16V
0402
LED_R
Q403
MMBT3904 R472 C4E3
0.1uF 16V
NC
3V3_STB LL4148
D402
1V8_STB C430 100uF/16V
KEY _IN
D1V8 R479 1K 1/10W 5%
VCC1V1
3V3_CHECK
R482
R483
LIGHT_SENSOR
ADC 0.4V~2.9V
R486
3V3_STB C437
R488
NC/ 9.1KOHM +-1% 1/10W
6. POWER ON
7. POWER OFF
KEY _IR 7
19
3V3_STB
R451
4K7 1/10W 5%
BOOT_STRAP2
CN409
1
2
R460
NC/CONN
4K7 1/10W 5%
Boot Option
16-Bit NAND-Small Page
TVM_BOOT SPI
1 8-Bit NAND-Large Page
SPI 0 8-Bit NAND-Small Page
R467
3V3_CHECK
1K 1/10W 5% R468 1K 1/10W 5%
U401Q
G2 R3
845R 1/10W 1%
LVDSVCRX_REXT AVDD3_SY NC1
L6
LVDSVCRX_ATST
G1 M4
845R 1/10W 1%
LVDSVCTX_REXT AVDD3_HPLL
K6 L3
LVDSVCTX_ATST AVDD18_HPLL
M3
AVSS_HPLL
H6
LVDSVCRX_VDD33_0
J6 N3
LVDSVCRX_VDD33_1 AVDD3_SY NC
N4
AVDD3_AFE
G5
LVDSVCTX_VDD33_0
G6 P2
LVDSVCTX_VDD33_1 AVDD18_R
P1
AVDD18_G
R1
C423 C424
AVDD18_B
R2
AVDD18_SVIDEO
P3
10U 16V 0.1uF 16V
AVDD18_CVBS
0402
R4
DVDD18
P4
PGA_LDO0
C428 C4E4
Y 3
10U 16V
AFE_AVSS
AB2
1uF/16V
DM_PLL_VDD
AC1
IF_VDD3P3_0
AC2
IF_VDD3P3_1
VDD33-BOD AB5 W4
VDD33_BOD AFE_AVSS0
W5
AFE_AVSS1
W6
AFE_AVSS2
Y 4
AFE_AVSS3
Y 5
AFE_AVSS4
AC5 Y 6
ADC8_INA AFE_AVSS5
AD6 L7
ADC8_INB AFE_AVSS6
1 AD5 M7
TP5 ADC8_INC AFE_AVSS7
AD4 N7
ADC8_IND AFE_AVSS8
AE5 P7
1K 1/10W 5%
ADC8_INE AFE_AVSS9
AE6 U7
1K 1/10W 5%
ADC8_INF AFE_AVSS10
AB6
ADC8_ING
AF5
VDDADC8
AC3
51K 1/10W 5%
ADC8_RBIAS
AC4
0.1uF 16V
ADC8_VREF
0402
AE10
ACOD3_AVDD
AF6 AE11
RC_OSC_REXT ACOD3_AVSS
C438
ZR39785HGCF
22pF
Bootstrap Configuration
3V3_STB
BOOT_STRAP3 R453 4K7 1/10W 5%
BOOT_STRAP1 R454 4K7 1/10W 5%
BOOT_STRAP0
R458 4K7 1/10W 5%
BOOT3 BOOT2 BOOT1 BOOT0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 1
1V8_STB
FB401
1 2
120OHM
C416 C417 C4C4
10N 16V 0.001uF 0.1uF 16V
3V3_STB
FB402
1 2
80OHM
C4D9 C418 C419 C414 C4E5
10N 16V 1uF/16V 0.1uF 16V 10U 16V 0.1uF 16V
0402
1V8_STB
FB405
1 2
80OHM
C425 C426 C427 C420 C498
10N 16V 0.1uF 16V 0.001uF 1uF/16V 10U 16V
0402
C429 1V8_STB
0.1uF 16V D3V3
FB424
0402
1 2
D3V3
120OHM FB407
1 2
600 OHM
C431 C432 C433 C434 C415 C4E9
1uF/16V 0.1uF 16V 10N 16V 4.7uF/10V 0.1uF 16V 10U 16V
0402
3V3_STB
C435
0.1uF 16V
3V3_STB
FB409
1 2
120OHM
C439 C440 C402
1uF/16V 0.1uF 16V 0.1uF 16V