Daewoo 21Q1, 21Q2, 14T2, 21Q4, 14Q2, 20Q1, 14Q1, 21T2 PCA84C 122AIC Remocon, PIN Signal Description

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PCA84C 122A(IC REMOCON)

(1)Features

•ROM, RAM and I/O is device dependent

•Two test inputs T0, T1

•3 Single-level vectored interrupt sources

•8 bit programmable timer/counter with 5-bit pre-scaler

•Single supply voltage from 2.0V to 5.5V

•On-board oscillator 1MHz to 5MHz

•Operating temperature range -20 to +50 C

(2)General Description

The PCA84C122A is a stand-alone micro controller designed for use in remote control unit for a wide range of applications.

(3) Pin Description

	PIN	SIGNAL	DESCRIPTION
	3	P00
	2	P01

	23	P02
			Standard I/O Port lines, generally used for keypad scanning
	22	P03	Standard I/O Port lines, generally used for keypad scanning
	10	P04

	11	P05
	14	P06

	15	P07

	19	P10
	18	P11

	17	P12
	16	P13	Standard I/O Port lines, generally used for keypad scanning

	1	P14

	24	P15
	12	P16

	13	P17
	4	TP/INT	Test T0 and external interrupt input

	5	T1	Test T1

	6	RESET	Active HIGH reset, normally tied to Vss because internal
			Power-on reset can serve the same function

	8	XTAL 1	Crystal or ceramic resonator
	9	XTAL 2

	21	OUT	Pulse train output pin, capable of sinking 27mA

	7	VDD	Power supply

	20	Vss	Ground

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Image 31

Contents Chassis CP-370 Contents Specifications RAY Radiation Precaution Safety InstructionFocus Alignment InstructionsScreen White BalanceVertical S-CORRECTION Geometry Vertical CenterVertical Size Vertical SlopePage IC Description Plastic 42 Ysdp Pins Package Block Diagram Cmos Compatible I/O PinsDisplay Feature AcquisitionSynchronization Controller Sdip 52 package Supply voltage Block DiagramPin Description Pin Name Symbol DescriptionCvbs PIN Symbol Description FeaturesRGB AudioBlock Diagram Sound if Input Pin Description NameVertical Guard Name DescriptionBeam current limitinq Luminance EAST-WEST Drive 3Block Diagram Pin Description TDA4665Base Band Delay LinePIN Description TDA8395 Secam Decoder Symbol PIN DescriptionTDA6106Q Video Output Amplifier Block Diagram Pin DescriptionVeco I802 PC817TDA8356 DC-coupled vertical deflection circuit TDA7056 BTL Audio Output Amplifier 1 Speaker Model 3Block Diagram 4Pin DescriptionPIN Name Symbol Description STR-S5707 Hybrid IC for a Switching RegulatorRating Unit Symbol Rating UnitMIN TYP MAX Ta=25 Description TerminalTDA8138 5.1V+12V regulator with Disable and Reset TDA 1519BAUDIO Output Amplifier 2 Speaker Model PCA84C 122AIC Remocon PIN Signal DescriptionCircuit Description Geometry processing Vertical synchronizationColour decoder Integrated video filters TuningRGB output and black current stabilization Base band delay line TDA4665 Horizontal deflection TDA8356 vertical deflectionOscillator, F/B terminal voltage Pin Power Supply STR-S5707Video amplifiers VIN terminal, start-up circuitThermal shutdown circuit Drive circuitOCP over-current protection function Latch circuitNo Raster Trouble Shooting ChartsNo Pictureraster OK No Vertical Scaningone Horizontal Line on Screen No Color Abnormal Normal No Soundpicture OKNo ON-SCREEN Displaypicture OK No External A/VRF OKRemote Control Unit Troublelocal Control OK Line Voltage IC DC Voltage ChartsInput signal User’s control conditionI503TDA8395 I501TDA8374AI301TDA8356 I502TDA4665LOC PART-CODE PART-NAME Part Type Remark Electrical Parts ListPTSPPWA499 Speaker AS DTC-14Q1VM IC AMP 5PTPS60MB Filter Cera TPS 6.0MBEFC-S6ROME3 CEXF1H229V Electro CEXF1H470V Electro 5PXPS45MB Filter Cera TPS-4.5MB Trap Tapping CCZB1H181K Cera DUZ5R1BM Diode Zener Coil Peaking Wire Copper AWG22 1/0.65 TIN Coating R530 RD-AZ203J R703 RD-AZ272J # Front A/V Part List Option Conn ASS’Y LOC Part Name Difference Part ListLOC Part Name Model Remark CP-370 Inch Difference Part ListPage Page Page Page Page Page Page Page Page Page Page