Interface, Ic Pin Function Description - Sony Trinitron KV-VF14M40 Service Manual

4-1. µ-COM PORT FUNCTION DESCRIPTION (MA10 BOARD IC001)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
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INTERFACE, IC PIN FUNCTION DESCRIPTION

Signal I/O
S SEL F I
S SEL R I
ST I
BIL I
DGC SW –
ST/ MONO I
– –
MAIN /SUB O
F MONO O
VM SW O
GP A I
GP B I
GP C I
ASURA CS O
SLAVE RESE O
J CLK O
FACT I
1TU /2TU I
JUST CLOCK I
SIRCS I
HSYNC 1 I
HSYNC 0 I
SI I
SO O
SCK O
Vss –
B INT I
X TAL –
EXTAL –
RESET –
A MUTE O
CLK OS O
KEY2 I
KEY1 I
AFT1 I
AFT0 I
OVP I
G SW I
XLC –
EXLC –
OSD R –
OSD G –
OSD B –
I –
YS –
YM –
SDA1 O
SDA0 O
SCL1 O
SCL0 O
LED2 O
LED1 O
NS O
VOL O
MP –
NC –
Vdd –
Vss –
HPULSE I
VPULSE I
CRTPOW O
VCRPOW O
M SW I
SP MUTE O
SECTION 4
S-INPUT SELECT (FRONT)
S-INPUT SELECT (REAR)
TU STEREO MODE
TU BILINGUAL MODE
DGC ON/OFF CONTROL
SET MODE STEREO/MONO
TU MAIN/SUB CONTROL
TU FOCE MONO CONTROL
VM ON/OFF CONTROL
"REC PON" SW A
"REC PON" SW B
"REC PON" SW C
CHIP SELECT FOR ASURA
RESET FOR ASURA
JUST CLOCK DISABLE ("H" : DISAB)
FACTORY MODE
SET MODE 1TU/2TU
JUST CLOCK DET INPUT
REMOCON SIGNAL IN
H SYNC DET INPUT (REC)
H SYNC DET INPUT (TV)
SIGNAL DATA INPUT
SIGNAL DATA OUTPUT
SIGNAL CLOCK OUTPUT
BUS INT
AUDIO MUTE
CHIP SELECT FOR RT CLOCK
KEY SCAN 2
KEY SCAN 1
AFT DET 1
AFT DET 0
OVP DET
"REC PON" SW
2
1 C BUS DATA FOR YCJ etc
2
1 C BUS DATA FOR NVM
2
1 C BUS CHECK FOR YCJ etc
2
1 C BUS CHECK FOR NVM
POWER LED
STBY LED
NS COIL CONTROL (PWM)
VOLUME CONTROL (PWM)
CRT POWER ON
VCR POWER ON
MAIN SW
SPEAKER MUTE
– 77 –
Function