Table of Contents
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IC DESCRIPTION
IC, TMP87CP38N-1N15 THAI<SH> / TMP87CP38N-1N14<SHA>
Pin Name
Pin No.
1
VSS
2
POWER
3
SIF A
4
SIF B
5
BBE
6
Q SUR
7
N RESET
8
BBS
9
VOL
10
EXT
11
SCL1
12
SDA1
13
H SYNC
14
KEY IN
15
D DET1
16
D DET2
17
AFC
18
STEREO
19
SGV
20
SUFFIX
21
VSS
22
OSD R
23
OSD G
24
OSD B
25
OSD Y
26
HD
27
VD
28
OSC1
29
OSC2
30
TEST
31
XIN
32
XOUT
33
RESET
34
LN MUTE
35
SP MUTE
36
RMC
37
SCL0
38
SDA0
39
SEL1
40
SEL2
41
WAKEUP
42
VDD
I/O
–
GND.
O
Power control output (H = ON).
O
Sound IF SW A (refer to table 1).
O
Sound IF SW B (refer to table 1).
O
BBE select output.
O
Q Surround switching (H = ON).
O
NICAM reset (H= ON/L = Reset).
O
Bass boost / s-woofer (L= Boost).
O
Main volume control output. (Not used)
I
EXT bus sw (L= EXT).
O
I
2
C-Bus CH1 clock output.
2
O
I
C-Bus CH1 data output.
I
SYNC detect input.
I
Key input.
I
Power condition 1 (Mid = Good, L/H = Bad).
I
Power condition 2 (Mid = Good, L/H = Bad).
I
Tuner AFT voltage input.
I
MSP key input.
O
Video signal generate (Factory) output. (Not used)
I
Feature select (initial) input. (Not used)
–
GND.
O
OSD red output.
O
OSD green output.
O
OSD blue output.
O
OSD blanking output.
I
OSD H SYNC input.
I
OSD V SYNC input.
–
OSD dot clock.
–
OSD dot clock.
–
GND.
I
8 MHz clock input.
O
8 MHz clock output.
I
Reset input (L= Reset).
O
Line out mute output (H = Mute).
O
Speaker mute output (H = Mute).
I
Remote control signal input.
2
O
I
C-Bus CH2 clock output.
2
O
I
C-Bus CH2 data output.
O
Selecting tuner receiving band (refer to table 2).
O
LED (wakeup timer). H = ON timer, L = Standby.
–
Power supply.
– 28 –
Description
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