Sharp 64LHP5000 Service Manual page 54

64LHP5000
PROJECTOR UNIT
» Pin Function
Pin No. Pin Name
1 SW1
2 SW0
3 DAC4
4 DAC3
5 DAC2
6 DAC1
7 DAC0
8 GND
9 SW2
10 SW3
11 SAD0
12 SAD1
13 SAD2
14 SDA
15 SCL
16 VCC
Ë STK4412 (AMP ASSY: IC1202)
POWER Amp
» Block Diagram
R1
IN1 1
TR1
R3
NF B1 2
R4
R2
3
I/O
Input/output pin of the general I/O port.
I/O
VILmax: 1.5V
VIHmin: 3V
I/O
VOLmax: 0.4V
O
O
O D/A converter output pin.
O
O
— GND pin.
Input/output pin of the general I/O port.
I/O
VILmax: 1.5V
VIHmin: 3V
I/O
VOLmax: 0.4V
Input pin of the slave address.
I
Inputs by positive logic.
I
VILmax: 1.5V
I
VIHmin: 3V
2
I/O I C BUS SDA input/output pin.
I I 2 C bus SCL input pin.
— Power supply pin.
9 7
TR2
TR4
C1
TR6
R7
OUT1 OUT2
5 11
D1
TR3
SUB
TR5
TR7
R5 R8
R6
6 4 8 12
Function
15 IN2
14 NF B2
10 13
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