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IC DESCRIPTION
IC, TMP87CP38N
Pin No.
Pin Name
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
MPX/MSP
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
X IN
32
X OUT
33
RESET
34
LN MUTE
35
SP MUTE
36
RMC
37
SCL0
38
SDA0
39
SEL1
40
SEL2
41
WAKEUP
42
VDD
I/O
–
Connected to GND.
O
During standby mode, "H" level is inserted to switch off H deflection & high voltage.
O
SOUND IF switch A.
O
SOUND IF switch B.
O
BBE select.
O
Q SURROUND switch.
O
NICAM RESET ("L" = reset).
O
BASS BOOST / S-WOOFER.
Not used.
–
I
External bus switch.
2
O
I
C bus CH1 clock.
2
I/O
I
C bus CH1 data.
I
Sync signal input pin for detection.
I
Input key is detected by monitor.
I
Power condition 1 (mid = good, low/high = bad).
I
Power condition 2 (mid = good, low/high = bad).
I
AFT voltage input pin.
I
MPX detect / MSP key in. (Connected to VDD through a resistor)
O
Test signal output when test mode. (Not used)
I
Feature select (initial) input.
–
Connected to GND.
O
OSD red output.
O
OSD green output.
O
OSD blue output.
O
OSD blanking signal output.
I
OSD horizontal synchronised signal input.
I
OSD vertical synchronised signal input.
–
Connected to OSC coil.
–
Connected to OSCcoil.
–
Connected to GND.
I
8 MHz clock input.
O
8 MHz clock output.
I
Use to reset the micon when power up.
O
"H" to mute the line out signal.
O
"H" to mute the audio signal.
I
Remote control signal is led to this pin.
2
I
I
C bus CH2 clock.
I/O
I
2
C bus CH2 data.
O
Input select switch 1.
O
Input select switch 2.
O
LED (wakeup timer).
–
5V supply.
– 16 –
Description
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