– 26 –
IC DESCRIPTION
IC, TMP87CP38N-LA71
1
VSS
–
GND.
2
POWER
O
Power control output (H = ON).
3
LCK
O
Serial latch clock.
4
SCLK
O
Serial clock.
5
SDT
O
Serial data.
6
Q SUR
O
Q Surround switching (H = ON).
7
N RESET
O
NICAM reset (H= ON/L = Reset).
8
BBS
O
Bass boost / S-woofer (L= Boost).
9
VOL
O
Main volume control output.
10
EXT
I
EXT bus sw (L= EXT).
11
SCL1
O
I
2
C-Bus CH1 clock output.
12
SDA1
O
I
2
C-Bus CH1 data output.
13
SD
I
SYNC detect input.
14
KEY
I
Key input (5V= Key OFF).
15
DOWN1
I
Power condition 1 (L/Mid = Good, H = Bad).
16
DOWN2
I
Power condition 2 (Mid = Good, L/H = Bad).
17
AFC
I
Tuner AFT voltage input.
18
BIAS DET
I
Source voltage (Function/RGB).
19
SGV
O
Video signal generate (Factory) output.
20
SUFFIX
I
Feature select (initial) input.
21
VSS
–
GND.
22
R
O
OSD red output.
23
G
O
OSD green output.
24
B
O
OSD blue output.
25
OSD Y
O
OSD blanking output.
26
H-SYNC
I
OSD H SYNC input.
27
V-SYNC
I
OSD V SYNC input.
28
OSC1
–
OSD dot clock.
29
OSC2
–
OSD dot clock.
30
TEST
–
GND.
31
X-IN
I
8 MHz clock input.
32
X-OUT
O
8 MHz clock output.
33
RESET
I
Reset input (L= Reset).
34
L-MUTE
O
Line out mute output (H = Mute).
35
SP MUTE
O
Speaker mute output (H = Mute).
36
RMC
I
Remote control signal input.
37
SCL0
O
I
2
C-Bus CH2 clock output.
38
SDA0
O
I
2
C-Bus CH2 data output.
39
SEL1
O
Input select sw1.
40
SEL2
O
Input select sw2.
41
WAKEUP
O
ON timer LED (H= Timer on.)
42
VDD
–
VDD.
Pin Name
I/O
Description
Pin No.
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Содержание TV-SE141 K
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