Sanyo 1 122 121 00 Service Manual page 42

Control Port Functions
● IIC Bus I/O Expander (IC1851) Port Functions
Pin No. Name
1 S
2 SCL
3 SDA
4 D0
5 D1
6 D2
7 D3
8 VSS
9 D4
10 D5
11 D6
12 D7
13 VDD
14 CS2
15 CS1
16 CS0
● IIC Bus I/O Expander (IC2181) Port Functions
Pin No. Name
1 S
2 SCL
3 SDA
4 D0
5 D1
6 D2
7 D3
8 VSS
9 D4
10 D5
11 D6
12 D7
13 VDD
14 CS2
15 CS1
16 CS0
● IIC Bus DA Converter (IC1831) Port Functions
Pin No. Name
1 R
2 SCL
3 SDA
4 AO7
5 AO8
6 AO9
7 AO10
8 AO11
9 AO12
10 VrefL
11 VrefU1
12 GND
13 VrefU2
14 AO1
15 AO2
16 AO3
17 AO4
18 AO5
19 AO6
20 Vcc
21 Vdd
22 CS2
23 CS1
24 CS0
Function
Reset
IIC SCL
IIC SDA
CARD_IN
VIEWER_ON
SCDT1
TURBO_LED
GND
WARNING_LED
LAMPREP_LED
READY_LED
Not used
5 V
Chip Select 2
Chip Select 1
Chip Select 0
Function
Reset
IIC SCL
IIC SDA
MOD 2
MOD 1
PNR
NTPL 2
GND
NTPL 1
4.43 TRAP
C -SWIN
S _ SW
5 V
Chip Select 2
Chip Select 1
Chip Select 0
Function
Reset
IIC SCL
IIC SDA
FAN_CONT_1
FAN_CONT_2
EDIDEN
AUDIOMUTE
PWRDN0
DCOM_OFF
GND
VOL_CNT
CG1_CG2
MOUSE
MOUSE_RESET
TURBO +
TURBO -
Digital power supply
Analog power supply
Chip Select 2
Chip Select 1
Chip Select 0
Action
Open
Active "L"
Active "L"
L: CARD H: No CARD
L: VIEWER Unit exist
DVI Sync. detection H: DVI
H: on L: off
-
H: on L: off
H: on L: off
H: on L: off
Fixed "L"
Vcc
Fixed "L"
Fixed "L"
Fixed "H"
Action
Open
Active "L"
Active "L"
Composite NTSC4.43, PAL60: H
Fixed "L"
NTSC, NTSC4.43: L else: H
PAL-M, PAL-N: H else: L
-
PAL, PAL-N: H else: L IN
Composite SECAM, NTSC4.43, PAL60: L, else: H
Component signal detection (L: Component)
S signal detection (L: S-Input)
Vcc(5V)
Fixed "L"
Fixed "L"
Fixed "L"
Action
Fixed "H"
Active "L"
Active "L"
0xFFh:Min 0x00h:Max
0xFFh:Min 0x00h:Max
L: H8 side H: PC side
L: Mute Off H: Mute On
AD Power down (L:DVI/MCI H:PC)
Digital Comb Filter Usage L: at composite SECAM, NTSC4.43, PAL60
D/A converter lower ref. voltage Connect to GND
D/A converter upper ref. voltage (CH7~CH12) Vcc
GND
D/A converter upper ref. voltage (CH1~CH6) Vcc
Control sound output volume, L: minimum
L: CG1, H: CG2
Air mouse On/Off H: On L: Off
Air mouse CPU reset Reset start: H->L->H
Turbo motor control (+) L: On
Turbo motor control (-) L: On
Fixed "H"
Fixed "H"
Fixed "L"
-42-
else: L
I/O
-
-
-
IN
IN
IN
OUT
-
OUT
OUT
OUT
OUT
-
-
-
-
I/O
-
-
-
OUT
OUT
OUT
OUT
-
OUT
IN
IN
-
-
-
-