Hitachi 32LD7800TA Service Manual page 9

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No.
PIN name
CONTROL
101
SCL0
102
SDA0
103
SCL3(EEPROM)
104
SDA3(EEPROM)
105
HDMI_CIR_DET
106
EXT_RESET
107
OSD_CS
108
FC_ENABLE
109
NC
110
NC
111
112
IRQ_DTT
113
DTT_POWER
114
DISPEN
HDMI_A_SW
115
SCL5
116
SDA5
117
118
FUNC_1
119
FUNC_2
120
NC
AD_KEY3
121
AD_KEY2
122
AD_KEY1
123
TV.POWER
124
DIP.DET
125
POWER_SAVE
126
GND
127
FAN_ALARM
128
32LD7800TA (PW2L)
I/O
I/O
LCD PANEL
2
I/O
I
C-BUS Contorol CLOCK
2
I/O
I
C-BUS Contorol DATA
I/O
I2C-BUS Contorol CLOCK
I/O
I2C-BUS Contorol DATA
I/O
Detecting HDMI circuit connection
I/O
EXTERNAL RESET
I/O
OSD CS
I/O
FC ENABLE
I/O
NC
I/O
NC
I/O
DTT IRQ
I/O
DTT POWER
I/O
DISPEN
I/O
HDMI AUDIO SW
2
I/O
I
C-BUS Contorol CLOCK
2
I/O
I
C-BUS Contorol DATA
I/O
Function 1
I/O
Function 2
I/O
NC
I/O
AD KEY3
I/O
AD KEY2
I/O
AD KEY1(INPUT)
I/O
POWRE ON/OFF(H:ON L:STANDBY)
I/O
DIP DET
I/O
POWER ON/OFF(L ON(STANDBY POWER SAVE), H OFF)
I
GND
I/O
FAN ALARM
FUNCTION
9

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