Ic Pin Description; Micom (Ic901) Pin Description; Eeprom (Ic902) Pin Description - Samsung KCT52A Training Manual

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IC Pin Description

Micom (IC901) Pin Description

Pin No Pin Name
2 OSD-CONTRAST
3, 4 AV0, AV1
5 SPOT
6 S.MUTE
7 CCD
9, 10 KEY-IN1, IN2
11, 14 MPX 0, 1
12 HOLD
15 LED2
17 D-COIL
18 POWER
19, 20 A/V-IN1, IN2
22~24 R, G, B
25 BLK
26 H-SYNC
27 V-Sync
28 OSC-IN(C-IN)
29 OSC-OUT(LOOP)
31, 32 XTAL 2, 1
33 RESET
34 VDD
35, 37 PIP-AV0, AV1
36 IR-IN
38 BUS STOP
39 STEREO
40 SAP
41, 42 SCL, SDA
TOC
SAMSUNG GROUP
SAMSUNG GROUP
In/Out Description
OUTPUT OSD Contrast level adjustment
OUTPUT TV/AV mode selection control
OUTPUT CRT spot prevention control
OUTPUT Sound mute control
OUTPUT Caption Brightness control
INPUT Key matrix input
OUTPUT MTS mode selection
INPUT Power failure detection
OUTPUT LED drive signal output
OUTPUT Degaussing coil control
OUTPUT Power on/off
INPUT Detection of AV Jack plugged in
OUTPUT OSD RGB output
OUTPUT OSD blanking signal output
INPUT H-Sync input
INPUT V-Sync input
INPUT Composite video input
IN/OUT Loop out of Pin 28
IN/OUT Oscillation for Micom Operation
INPUT Micom initialization
INPUT Main B+
OUTPUT PIP TV/AV Selection
INPUT Remote signal input
OUTPUT Factory use
INPUT Stereo indication input
INPUT SAP indication input
IN/OUT Bus control

EEPROM (IC902) Pin Description

Pin No Pin Name In/Out
1~3 A0 ~ A2 Input
4 Vss -
5, 6 SDA, SCL In/Out
7 WC Input
8 Vcc Input
*Memory capacity: 256 X 8 bits (256 words), Retention: 10
years
KCT52A Chassis
Description
Address Inputs
Ground
Serial clock/Data
Write Control input
Supply voltage
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