KTC-V500E/N/P
3
COMPONENT DESCRIPTION
ELECTRIC UNIT (X25-928x-xx)
REF. No.
FUNCTION
OPERATION
IC200
TV VIF/CHROMA
Detects VIF, and processes chroma.
IC202
VIDEO AMPLIFIER
Amplifies G and B signals up to 6dB at 75 ohms.
IC203
VIDEO AMPLIFIER
Amplifies SYNC and R signals up to 6dB at 75 ohms.
IC300
TV VIF/SIF
Detects VIF and SIF (Euro model’s one is for diversity).
IC301
AM DETECTION
Detects SIF (AM).
IC400
VIDEO SW
Switches diversity video signal.
IC401
TV DIVERSITY
Switches TV antenna.
IC502
OPERATION AMPLIFIER
LPF & amplifier.
IC504
NOISE CANCELER
Cancels noise.
IC700
AVR
5V local regulator.
IC701
DC/DC REGULATOR
Switches DC/DC voltage.
IC702
AVR
8V local regulator.
IC800
SYSTEM u-COM
Controls functions.
IC801
RESET IC
Resets system u-com.
Q100
IF SW
Switches SAW filter input IF.
Q101
SIF AMPLIFIER
Amplifies SIF.
Q102
IF SW
Switches SAW filter input IF.
Q103
VIF AMPLIFIER
Amplifies VIF.
Q201,202
BUFFER
Creates H-sync pulse.
Q203,204
BUFFER
Buffers video signal.
Q205-207
RGB MUTE
Mutes RGB signals.
Q208-210
RGB BUFFER
Buffers RGB signals.
Q211,212
VIDEO BUFFER
Buffers video signal.
Q300-302
CLOCK SW
Switches clock.
Q303,304
VIDEO BUFFER
Buffers video signal.
Q305
SYNC PIF SW
Switches sync PIF frequency.
Q306,307
S-METER DC AMPLIFIER
Amplifies s-meter DC.
Q308
VIDEO BUFFER
Buffers video signal.
Q309
VIDEO MUTE
Mutes TV video signal.
Q400
VIDEO MODE SW
Switches diversity video mode.
Q401
ADJUST MODE SW
Switches diversity adjustment mode.
Q500,501
AUDIO MUTE
Mutes audio signal.
Q700
Q701 DRIVER
Drives Q701.
Q701
POWER SW
Switches back-up power supply.
Q702
8V AVR
Supplies power to TV front-end and IF circuit.
Q703
8V AVR
Supplies power to IC200.
Q704
5V AVR
Supplies power to TV front-end and IC301.
Q705
5V AVR
Supplies power to video circuit.
Q706
B.U. DETECTION
Detects back-up.
Q800
PANEL/BASS RESET SW
Controls reset for panel and bass.
