KXD LTA-15A301 User manual
15”LCD TV SERVICE MANUAL
LTA-15A301
VERSION:
DESIGNEDBY:
CHECKEDBY:
APPROVED BY:
CONTENTS
SPECIFICATION----------------------------------------------------------3-5
REMOTE CONTROLLER-----------------------------------------------6
EXPLODED VIEW DIAGRAM-----------------------------------------7-10
BOLCK DIAGRAM--------------------------------------------------------11
MAIN BOARD CIRCUIT-------------------------------------------------12-21
TUNER CIRCUIT----------------------------------------------------------22
INVERTER CIRCUIT-----------------------------------------------------23
ADAPTER CIRCUIT------------------------------------------------------24
COMPONENT DIAGRAM----------------------------------------------25-33
BILL OF MATERIAL-----------------------------------------------------34-58
KXD 15”LCD TV SPECIFICATION
FEATURES
●POWER SUPPLY:DC 12V/4A(ADAPTER)
ADAPTER POWER SUPPLY:AC 100∽240V 50/60Hz
●MULTI TV SYSTEM:PAL BG/DK/I and SECAM BG/DK/LL’
●MULTI VEDEO SYSTEM:PAL/NTSC/SECAM
●VERSATILE INPUT SOURCES:TV,VIDEO,S-VIDEO,SCART,
PC(ANALOG)
●FULL FUNCTION REMOTE CONTROLLER
●EXCELLENT SOUND EFFECT WITH VOLUME,TRABLE,BASS,
BALANCE, ADJUSTABLE
●SMART SOUND & PICTURE MODE SET:
STANDARD,SPEECH,MUSIC;STANDARD,SOFT,RICH
●ADAPTIVE 2/4 LINE COMB FILTER FOR PAL/NTSC
●VTR FOR WEAK AND DISTORETED SIGNAL FROM VIDEO TAPE
RECORDER
●10 PAGES TELETEXT(OPTION)
●AUTOMATICALLY TURN OFF THE SET WHEN SIGNAL ABSENT LONGER
THAN 10 MINUTES
●256 CHANNELS
●BLUE SCREEN DISPLAY
GENERAL SPECIFICATION:
PART1:TV SET
55Watt（MAX.）
POWER CONSUMPTION ≤3Watt(STBY)
TV RECEIVE SYSTEM PAL D/K I B/G SECAM BG/DK/LL’
VIDEO SYSTEM MULTI PAL/ SECAM/ NTSC
VISION INTERMEDIATE FREQUENCY 38.9MHz,33.95MHz(L’)
5.5 MHz (B/G)
6.0 MHz (I)
INTER-CARRIER FREQUENCY
6.5 MHz (D/K,LL’)
BG/DK/L: 34.47MHz
CHROMA IF FREQUENCY L’: 38.38 MHz
VHF-L 46.25-163.25MHz
VHF-H 158.25-466.25MHz
CHANNELS RECEIVED
UHF 471.25-855.25MHz
TUNING MODE PLL SYSTEM
1 AV IN,1 S-VIDEO IN
AV IN/OUT 21PIN SCART IN
Y/C IN -Y：1.0±0.2VP-P 75Ω
C:0.7 VP-P 75Ω
VIDEO IN----1.0 ±0.2VP-P 75Ω
AUDIO IN----Approx,500mV
VIDEO OUT----1.0±0.2 VP-P 75Ω
AUDIO OUT----Approx,400mV
AV IN/OUT SPECIFICATION
RGB IN ---------0.7 VP-P
0.7 VP-P (analog RGB signal)
PC INPUT 2.4-5V(HSYNC&VSYNC)
ANTENNA INPUT IMPEDANCE 75 OHM
ENGLISH/SPAINISH/ITALIAN
OSD LANGUAGE RUSSIAN/GERMAN/FRENCH
AUDIO OUTPUT POWER > 3W (1KHz, 0.5Vrms, 10%THD)
GREEN POWER ON
RED POWER OFF
LED INDICATORS
ORANGE SLEEP(PC)
HAND SET POWER SUPLY BATTERY 1.5V （AAA）x2
PART2:PANEL
Brand & Model CHIMEI/M150X3-L01
Resolution 1024*768
Displayable Colour 16.2MHz
Viewing Angle (H/V) 120° (Hor) / 100° (Ver)
Display Response Time 30ms
Contrast Ratio 1:300
Brightness 250nit
Aspect 4:3
Lamp Life 50,000Hrs
Bad Pixel Quality (Bright/Dark/Total) 2 / 3 /5
PART3:PC INPUT RESOLUTION
Recommended resolution is 1024*768@60Hz
RESOLUTION V.Freq(Hz) H.Freq(KHz) Band
Width(MHz) Polarity
H/V
1 720*400 70 31.47 28.322 -/+
2 640*350 70 31.469 25.175 +/-
3 640*480 60 31.47 25.175 -/-
4 640*480 72 37.86 31.5 -/-
5 640*480 75 37.50 31.5 -/-
6 800*600 56 35.156 36 +/+
7 800*600 60 37.88 40 +/+
8 800*600 75 46.88 49.5 +/+
9 800*600 72 48.08 50 +/+
10 1024*768 60 48.36 65 -/-
11 1024*768 70 56.48 75 -/-
12 1024*768 75 60.02 78.75 +/+
REMOTE CONTROL DESCRIPTION
DESCRIPTION OF
RM-612
17
14
15
16
13 9
5
8
7
6
10
4
3
12
2
111
18
19
1.POWER:turn on or off the TV
2.NUMBER KEYS
3.VOL+/- :adjust volume
4.CH+/- :change program forward/backward
5.MENU: access main menu
6.BOTONES / : move cursor in main menu
7.BOTONES / : adjust item you selected
8.REVEAL: recall program number, system etc on
the screen
9.Q VIEW: return to the last viewed program
10.SOURCE: select external video source
11. MUTE: mute sound
12.SLEEP: set time to turn off the TV
13.TEXT:display/mix/close teletext signal
14.HOLD: hold/release sub-page
15.SUB PAGE: view sub-page
16.INDEX: view index page directly.
17.4COLOR BOTTONS:
access the corresponding page indicated in the
line of teletext page
18.VTR:rectify distoration signal from
VTR(videotape recorder).
19:AUTO: auto adust the position and size of the
picture in PC mode
DIRECT PROGRAM SELECTION (0-9 BUTTONS)
1.To select one-digit channel:
Press 0-9 digit buttons and wait for 2 seconds. For example,you need
channel 5, please input"5"button and the screen displays "5", the TV set
goes to channel 5 in 3 seconds.
2.To select two-digit channel:
Press two digit buttons in order to input the channel number.For example,
you need channel 10, please input "1" button, followed "0" button and the
set goes to channel 10. Be sure that the second press should be within 2
seconds.
3.To select three-digit channel:
Press three digit buttons in order to input the channel number. For
example, you need channel 110, please input "1" Button firstly, followed
"1" button secondly and followed 0 button thirdly then the set goes to
channel 110. Be sure that the second press should be within 2 seconds.
CH
