Hitachi 15LD2200, Руководство по обслуживанию

Страница: 16 / 58

14
15” TFT TV Service Manual
SYMBOL
AV
STEREO
AV STEREO
NO AUDIO
DSP
MONO DESCRIPTION
VOUT (SWO1) 76 76 76 V-output for YUV interface (general purpose
switch output)
INSSW3 77 77 77
3
rd
RGB / YP
B
P
R
insertion input
R/P
R
IN3 78 78 78
3
rd
R input / P
R
input
G/YIN3 79 79 79
3
rd
G input / Y input
B/P
B
IN3 80 80 80
3
rd
B input / P
B
input
GND3 81 81 81 ground 3 for TV-processor
VP3 82 82 82
3
rd
supply for TV processor
BCLIN 83 83 83 beam current limiter input
BLKIN 84 84 84 black current input
RO 85 85 85 Red output
GO 86 86 86 Green output
BO 87 87 87 Blue output
VDDA1 88 88 88 analog supply for TCG m-Controller and digital
supply for TV-processor (+3.3 V)
VREFAD_NEG 89 89 89 negative reference voltage (0 V)
VREFAD_POS 90 90 90 positive reference voltage (3.3 V)
VREFAD 91
- -
reference voltage for audio ADCs (3.3/2 V)
GNDA 92 92 92 ground
VDDA(1.8V) 93 93 93 analogue supply for audio ADCs (1.8 V)
VDDA2(3.3) 94 94 94 supply voltage SDAC (3.3 V)
VSSadc 95 95 95 ground for video ADC and PLL
VDDadc(1.8) 96 96 96 supply voltage video ADC and PLL
INT0/P0.5 97 97 97
external interrupt 0 or port 0.5 (4 mA current
sinking capability for direct drive of LEDs)
P1.0/INT1 98 98 98 port 1.0 or external interrupt 1
P1.1/T0 99 99 99 port 1.1 or Counter/Timer 0 input
VDDC2 100 100 100 digital supply to core (1.8 V)
VSSC2 101 101 101 ground
P0.4/I2SWS 102
- - port 0.4 or I
2
S word select
P0.4
-
102 102 port 0.4
P0.3/I2SCLK 103
- - port 0.3 or I
2
S clock
P0.3 - 103 103 port 0.3
P0.2/I2SDO2 104
- - port 0.2 or I
2
S digital output 2
P0.2 - 104 104 port 0.2
P0.1/I2SDO1 105
- - port 0.1 or I
2
S digital output 1
P0.1
-
105 105 port 0.1
P0.0/I2SDI1/O 106
- - port 0.0 or I
2
S digital input 1 or I
2
S digital output
P0.0
-
106 106 port 0.0