Functional Test - TCL L40B2800 Service Manual

Factory Test & Alignment Specification For MS08F1-LA Series (V1.1)
L55S4600F

1.4. Functional Test

Once the b oards (chas sis, KB, IR, PSU...) an d the p anel are w ell interconnected, plug all
external generator devices to relevant inputs/outputs below according to their respective test patterns
format and check picture content and sound quality accordingly:
Source
Analog/Digital Tuner
(VHF/UHF & CATV)
SPDIF (Coaxial)
AV IN
(CVBS & AUDIO)
CMP
(YPbPr & Audio)
HDMI
(Video & Audio)
RJ45
(LAN)
Headphone via mini jack adapter
Loud Speakers / Enclosures
AV OUT
(Audio)
Audio tones can be defined by the factory (i.e. 1 KHz & 3 KHz sweep).
Picture video formats can be changed by the factory according to their own standard.
Remark：1. AV Video & Audio in shared with CMP.
1.5. AD Calibration Test
As SoC is built-in an A/D self-calibration mechanism, ADC need not to be performed any more.
1.6. DDC & EDID & T-Link Test
The E-EDID data structures are according to VESA Enhanced EDID 1.3 (and EIA/CEA- 861B for
HDMI). CEA Timing Extension structure has been extended to support all 3D capable timings.
All VGA and HDMI structures have their own BIN profile which are part of main SW and uploaded
at power-on into HDMI switch chipset.
For EDID check, it' s needed to check whether
corresponding EDID NVM Checksu m or read t hem out to check bit by bit if i t i s in line with the
released EDID bin file.
004 LVF550ND2L CD9W00 V3
Test Signal
RF cable generator
Audio Amplifier
Chroma/Fluke
generator
Chroma/Quantum Data
generator
with beyond HDMI 1.3
and HDCP compliant
DVD/BD player
Internet
RF signal
RF signal
RF signal
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Test Pattern
2D - Movie 1280x720
2D - Static Picture 1920x1080
1. Frequency Range: full band
2. Standard: NTSC /PAL M
3. ISDB-T
PCM or Dolby D+
PAL Half Color & Gray bars
1920x1080i@60Hz
Half Color & Gray bars
2D - Movie 1280x720i@60Hz
ICMP packets echo request
Suitable channel
Suitable channel
Suitable channel
the correct EDID is down loaded b y checking