This test manual is applicable for KLXXNSXXU LCD TV.
1.2 调试注意事项及要求
1.2.1 请按下列调试步骤和指定的测试仪器进行调试,否则将不能调好电视机,为了保证满意
的测试结果,在调试中必须保证所指定的偏压值。
1.2.2 调试之前请务必戴好静电手套。
1.2 Test notes
1.2.1 Please follow the pointed test steps and choose the proper test equipment to conduct
adjustment, otherwise good effect of TV set could not be obtained. Pointed bias voltage value
should be ensured during test to get satisfied test result.
1.2.2 Be sure that you have the static electricity –protective glove in before test.
各 Mode 均能正常显示。
确认 PC 可以自动识別机型
采用外接机顶盒收看电视节目,
画面应清晰
选 SOURCE 选到 HDMI
各 Mode 的画面均能正常显示,
画面清晰流畅,声音是否正常
带HDMI的
DVD, VG859 或
13. HDCP检查
同 等 级 被认 可 设
备
14. 耳机功能检查 耳机、DVD TV或 DVD IN
选 SOURCE 选到 HDMI
输 入 由 信 号 发 生 器 送 出 帶 有
HDMI/HDCP 的测试信号,检查
图像声音是否正常
插上耳机,主喇叭无声,耳机声音
正常,按 VOL+-,耳机声音是否
正常;检查左右声道是否正常
拨掉耳机, 主喇叭声音正常
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KLXXNSXXU - TS
标记 数量 分区 更改标记 签名 日期 第 4 张
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tage of
Please refer to appendix 5.5 if there is
Debug
Please refer to appendix 5.5 if there is
Debug
Please refer to appendix 5.5 if there is
Press “MENU” button on the remote
control and then press “2”, “0”, “0”, “8” in
y menu in
button to exit the
CONTROL
s
press
turn off power , then
yed under
YPbPr and VGA source mixed with
color, there is
necessary
to do this step.
15. 遥控功能测试电视信号发生器
检查各种模式下 各项功能是否
正常。
4.Test item and method
Test Item Equipments Requirements Procedure and SPEC
M/B Voltage
1
confirmation
2
Update NVRAM
Update HDMI
3
EEPROM
Digital Multimeter
PC
Debug Tool
PC,ALL-11
Tool、HDMI Cable
JSI-220401B(LF)
(34005123)
1. When the power is on, the output vol
JSI-220401B(LF) should between 11.4 V~ 12.6V
1.
abnormal phenomenon.
1.
abnormal phenomenon.
4
Update HDCP KEY
5
Enter factory menu
6
Load default setting
Color Temp. adjust
7
white-balance
calibrate
PC,ALL-11
Tool
1.
abnormal phenomenon.
3 seconds, and enter the factor
success. Press “MUTE”
factory menu.
1.In factory menu, Select “
OPTION” and press “►”button to enter it’
submenu. Then select “RESET” and
“►” button ,TV will turn off and turn on
automatically.Finally
turn on the power again.
1. If the gray step signal displa
AV 、
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KLXXNSXXU - TS
AV:
. and
COLOR
COLOR TEMP
COLOR
COLOR TEMP
COLOR
COLOR TEMP
User menu, Check whether the
or
2. Check Auto Search / Manual Search and
Video
to
if
if
Please refer
DVD with HDMI
Please
Color Temp
a
white-balance
calibrate adjust
YPbPr:
Color Temp and
b
white-balance
calibrate adjust
VGA Color Temp
and
c
white-balance
calibrate adjust
8 TV modecheck
VG859 and
Color signal analyzer
VG859 and
Color Signal analyzer
VG859 and
Color Signal analyzer
Factory TV Signal or
TV Signal Generator
Enter gray step signal
Enter gray step signal
Enter gray step signal
Output PAL Signal
1. Enter factory menu, Select “
TEMP”, and select “
NORMAL”.
2. Adjustment R/G/B to get white calibration;
3. Adjustment R/G/B OFF to get black
calibration
1. Enter factory menu, select “
TEMP”, then select “
NORMAL”.
2. Adjustment R/G/B to get white calibration;
3. Adjustment R/G/B OFF to get black
calibration
1. Enter factory menu, select “
TEMP”, then select “
NORMAL”.
2. Adjustment R/G/B to get white calibration;
3. Adjustment R/G/B OFF to get black
calibration
1. Enter
pictures is normal or not, if no Signal
snowflake points coming forth , it would
enter standby state in several minutes
AV and S-
9
check
YPbPr
10
SDTV: 576P/480P
HDTV: 720p/1080i
11
VGA INPUT
12
HDMI check
DVD
Video cable
S-Video cable
DVD
PC
VGA Cable
output
HDMI cable
Play DVD
Set DVD
interlace/progress
output
Play DVD
SDTV/HDTV
(YPrPb)
PC Mode
to appendix 5.5
HDMI Mode
refer to appendix 5.6
etc. right or not.
1. Playing content is clear and fluent, check
the audio output is normal.
1. Playing content is clear and fluent, check
the audio output is normal.
1.Apiece Mode Screen is clear and fluent.
1. Select “SOURCE” and select “HDMI”
2. Apiece Mode: Screen is clear and fluent,
check if the audio output is normal.
拟制
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KLXXNSXXU - TS
HDCP check
DVD with HDMI
Earphone Output
if the
udio should
13
14
15
function check
Remote control
function check
output
HDMI cable
VG859
Earphone、DVD
PC 、 DVD Pattern
Generator
TV Signal Generator
HDTV Player
4.1 附件
4.1.1 电源板和 M/B 电压确认
4.1.2 电源的输入和输出回路特性调试
1. Select “SOURCE” and select “HDMI”
TV input or DVD
VCD or play DVD IN 1. Check if the apiece mode function normal.
check Signal Generator output HDMI/HDCP
Signal, checks if the output is OK
1.plug into Earphone,speaker aphonia,
Earphone Audio is normal, Press VOL+Key to set the sound volume,check
audio output is normal.
2. pull out Earphone,speaker a
4.1.3 调试目的:测量输入和输出回路有无短路
4.1 Accessories
4.1.1 Power Supply Board and M/B Voltage check
4.1.2 The input and output characteristic test of power
4.1.3Intention of test:Check input and output to find whether short circuit or not.
use Multimeter (VICTOR VC9801) of resistor to check No/Yes shortcircuit
Number Item Test Point Standard
Power
Supply
1 The interface of AC input AC Input Connector XS904 No short circuit
2 The interface of 12V output 12V output of connector XS701 No short circuit
M/B
1 The fuse of 12V output F802 No short circuit
2 5V under control output N804 No short circuit
3 3.3V for MST739 L823 No short circuit
4 1.26V for MST739 N806 No short circuit
Please check short circuit point on the PCB board if you find short circuit.
4.3 信号处理板
4.3.1 信号处理板电源部分
信号处理板电源分配图
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KLXXNSXXU - TS
4.3 Signal Board part
4.3.1 Signal board power part
Signal Board power distribution
Please switch the TV on by pressing the power button at the right side of TV Set, and then verify
the LED color. Red is standby state and green is working state.
4.3.3 检查供电电压是否正常
若指示灯为绿色时,主板整个系统都处于工作状态,此时用万用表检查主板上下列各点的
电压是否正常:
序号 测试点 电压输出要求 备注
1 F802 12V
2 N804 5V
3 L823 3.3V
4 N806 1.26V
拟制
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续页制图:陈海云幅面:A4
KLXXNSXXU - TS
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