Aiwa TV-A2115 service manual IC Description, IC, TMP87CP38N

IC DESCRIPTION

IC, TMP87CP38N

Pin No.	Pin Name						I/O	Description
1					VSS		–	Connected to GND.
2		POWER					O	During standby mode, "H" level is inserted to switch off H deflection & high voltage.
3				SIF A			O	SOUND IF switch A.
4				SIF B			O	SOUND IF switch B.
5					BBE		O	BBE select.
6			Q SUR				O	Q SURROUND switch.
7		N RESET					O	NICAM RESET ("L" = reset).
8							O	BASS BOOST / S-WOOFER.
					BBS
9				VOL			–	Not used.
10					EXT		I	External bus switch.
11				SCL1			O	I2C bus CH1 clock.
12				SDA1			I/O	I2C bus CH1 data.
13		H SYNC					I	Sync signal input pin for detection.
14		KEY IN					I	Input key is detected by monitor.
15		D DET1					I	Power condition 1 (mid = good, low/high = bad).
16		D DET2					I	Power condition 2 (mid = good, low/high = bad).
17					AFC		I	AFT voltage input pin.
18	MPX/MSP						I	MPX detect / MSP key in. (Connected to VDD through a resistor)
19					SGV		O	Test signal output when test mode. (Not used)
20		SUFFIX					I	Feature select (initial) input.
21					VSS		–	Connected to GND.
22			OSD R				O	OSD red output.
23			OSD G				O	OSD green output.
24			OSD B				O	OSD blue output.
25			OSD Y				O	OSD blanking signal output.
26							I	OSD horizontal synchronised signal input.
						HD
27							I	OSD vertical synchronised signal input.
						VD
28				OSC1			–	Connected to OSC coil.
29				OSC2			–	Connected to OSCcoil.
30				TEST			–	Connected to GND.
31				X IN			I	8 MHz clock input.
32			X OUT				O	8 MHz clock output.
33							I	Use to reset the micon when power up.
			RESET
34	LN MUTE						O	"H" to mute the line out signal.
35		SP MUTE					O	"H" to mute the audio signal.
36							I	Remote control signal is led to this pin.
				RMC
37				SCL0			I	I2C bus CH2 clock.
38				SDA0			I/O	I2C bus CH2 data.
39				SEL1			O	Input select switch 1.
40				SEL2			O	Input select switch 2.
41		WAKEUP					O	LED (wakeup timer).
42				VDD			–	5V supply.

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