Sanyo PLV-55WM1 Service Manual page 89

● I ● IIC Bus D/A Converter (IC3561, M62398FP)
C Bu s D/A A Co nve
Pin No. Pin N Name me
1 R
2 SCL
3 SDA
4 A07
5 A08
6 A09
7 A10
8 A11
9 A12
10 VrefL
11 VrefU1
12 Vss
13 VrefU2
14 A01
15 A02
16 A03
17 A04
18 A05
19 A06
20 Vcc
21 Vdd
22 CS2
23 CS1
24 CS0
● IIC Bus D/A Converter (IC4841, M62393FP)
Pin No. Name
1 R
2 SCL
3 SDA
4 A A07 A07
5 A08 A A08
6 A09
7 A10
8 VrefL
9 VrefU1
10 Vss
11 VrefU2
12 A01
13 A02
14 A03
15 A04
16 Vcc
17 Vdd
18 CS2
19 CS1
20 CS0
● Input Bus Buffer (IC1811, TC74LCX541FT)
Pin No. Name
1 OE1
2 A1
3 A2
4 A3
5 A4
6 A5
7 A6
8 A7
9 A8
10 GND
11 - 18 Y8 -Y1
19 OE2
20 Vdd
ter C3561, M623 3 98F
Function F tio
Reset input
SCL1_TEMP
SDA1_TEMP
REF_R
REF_G
REF_B
-
-
-
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
R_V1
R_V2
G_V1
G_V2
B_V1
B_V2
Power Supply for Output Buffer (+5V)
Power Supply +5V
Slave address setting port 2 (Vdd) I
Slave address setting port 1 (Vdd) I
Slave address setting port 0 (Vdd) I
Function
Reset input
SCL1_TEMP
SDA1_TEMP
F FAN_CONT1 AN_ _CO NT 1
FAN_CONT2 F AN CO NT 2
FAN_CONT3
-
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
CLP_B
CLP_G
CLP_R
-
Power Supply for Output Buffer (+5V)
Power Supply +5V
Slave address setting port 2 (Vdd) I
Slave address setting port 1 (GND)
Slave address setting port 0 (GND)
Function
IO_ENB 1 CS1
K11 KEY Scan Input
K12 KEY Scan Input
K13 KEY Scan Input
- Not used
FAN_ERR
LAMP_ERR Lamp Error Input
3D/3L_SW
VS_DET
GND
D7 - D0
IO_ENB 2
Power Supply +3.3V ow
IIC BUS SCL
IIC BUS SDA
Not used
Not used
Not used
Video signal reference voltage (-) R
Video signal reference voltage (+)R
Video signal reference voltage (-)G
Video signal reference voltage (+)G
Video signal reference voltage (-)B
Video signal reference voltage (+)B
IIC BUS SCL
IIC BUS SDA
Not used
Not used
Enable = L (OE1 and OE2)
Enable = L (OE1 and OE2)
- 89 -
Control Port Functions
I/O I/O
I
I
I/O
O
O
O
O
O
O
-
-
-
-
O
O
O
O
O
O
-
-
I/O
I
I
I/O
O O O
O O O
O
O
-
-
-
-
O
O
O
O
-
-
I
I
I/O
I
I
I
I
I
I
I
I
I
-
O
I
-