Control Port Function; System Control (Cpu : Ic801) - Sanyo VIZZON HT30746 Service Manual

Remote control digital color television
Hide thumbs Also See for VIZZON HT30746:
Table of Contents

Advertisement

System Control (CPU : IC801)

Pin Name
1
CVin
2
P70/INT0/TOLCP
3
P71/INT1/TOHCP
4
P72/INT2/TOIN
5
P73/INT3/TOIN
6
AN0
7
AN1
8
P82/AN2
9
P83
10
P84/AN4
11
P85/AN5
12
P86/AN6
13
P87/AN7
14
P30/SO6
15
SB6
16
SCK6
17
SB6
18
SCK6
19
DBGP0
20
DBGP1
21
DBGP2
22
PC0
23
PC1
24
PC2
25
PC3
26
PC4
27
P00
28
P01
29
P02
30
P03
31
P04
32
P05
33
P06
34
P07
35
P20/SO1
36
P21/S11/SB1
37
P22/SCK1
38
P23
39
UTX
40
URX
41
P26/OSDCK1
42
BL2
43
VSS2
44
VDD2
45
P10/SO0
46
P11/SI0/SB0
47
P12/SCK0
48
P13
49
PWMA
50
PWMB
51
PWMC
52
P17/PWMD
53
BL1
54
B
55
G
56
R
57
HSB
58
VSB
59
VSS1
60
XT1
61
XT2
62
VDD1
63
RESB
64
FILT

CONTROL PORT FUNCTION

Function
Cvin
Reserve
Reserve
Reserve
Rcin
Key in
AFT S-Figure in
Reserve
Reserve
Reserve
Reserve
TV Relay out
IIC-BUS for NV
IIC-BUS for NV
IIC-BUS for TV
IIC-BUS for TV
TB in
Fix/Variable
WDT out
AV SW1
AV SW2
AV SW3
BPF SW
Power Fail in
STATUS in
Ack out
Reserve
Reserve
Reserve
Audio MUTE
UART OUT
UART IN
Reserve
Reserve
Vss
Power IN
Reserve
Reserve
Reserve
Normal SW
CUT OFF ADJ-1
CUT OFF ADJ-2
CUT OFF ADJ-3
Reserve
OSD BLK out
OSD B out
OSD G out
OSD R out
Hsync
Vsync
Vss
Xin
Xout
Power IN
RESET in
FILT out
I/O Description
IN
Video Signal Input (Not used)
IN
RC Input
IN
Key Input
IN
AFT S-Figure Input
IN
S-Detect
OUT
POWER Relay SW
I/O
(DATA) Active 'L' for IIC data NV
OUT
(CLOCK) Active 'L' for IIC clock NV
I/O
(DATA) Active 'L' for IIC data TV
OUT
(CLOCK) Active 'L' for IIC clock TV
Terminal for De-Bug 1
Terminal for De-Bug 2
Terminal for De-Bug 3
Writing on board (ENA/DATA1)
Writing on board (DATA0)
Writing on board (CLK)
IN
Detection for Video Signal (Time base: H)
OUT
Audio Control (Reserved)
OUT
Watch dog timer (Reserved)
OUT
Selection for AV Selector 1
OUT
Selection for AV Selector 2
OUT
Selection for AV Selector 3
OUT
For Bandpass Filter (Reserved)
IN
At the time of the TV power error(L)/ordinariness (H)
IN
For factory use
OUT
For factory use
OUT
"MUTE:H, OTHER:L"
OUT
Digital Module microcomputer piece confidence
IN
Digital Module microcomputer piece confidence
IN
GND (0Vdc)
IN
5V (5Vdc±10%)
OUT
(Reserved)
OUT
Cut-off Adjust 1 (Reserved)
OUT
Cut-off Adjust 2 (Reserved)
OUT
Cut-off Adjust 3 (Reserved)
OUT
polarity : positive
OUT
polarity : positive
OUT
polarity : positive
OUT
polarity : positive
IN
polarity : negative
IN
polarity : negative
IN
GND (0Vdc)
IN
Main Clock IN/OUT Fosc=8MHz
OUT
( Should be connected between IN/OUT pins.)
IN
5V (5Vdc—10%)
IN
Reset terminal
PLL Filter
— 51 —

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents